817 lines
21 KiB
Go
817 lines
21 KiB
Go
package gjson
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import (
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"bytes"
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"encoding/hex"
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"encoding/json"
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"fmt"
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"io"
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"math/rand"
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"strings"
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"testing"
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"time"
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"github.com/buger/jsonparser"
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"github.com/mailru/easyjson/jlexer"
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fflib "github.com/pquerna/ffjson/fflib/v1"
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)
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// TestRandomData is a fuzzing test that throws random data at the Parse
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// function looking for panics.
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func TestRandomData(t *testing.T) {
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var lstr string
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defer func() {
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if v := recover(); v != nil {
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println("'" + hex.EncodeToString([]byte(lstr)) + "'")
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println("'" + lstr + "'")
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panic(v)
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}
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}()
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rand.Seed(time.Now().UnixNano())
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b := make([]byte, 200)
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for i := 0; i < 2000000; i++ {
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n, err := rand.Read(b[:rand.Int()%len(b)])
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if err != nil {
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t.Fatal(err)
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}
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lstr = string(b[:n])
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GetBytes([]byte(lstr), "zzzz")
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Parse(lstr)
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}
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}
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func TestRandomValidStrings(t *testing.T) {
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rand.Seed(time.Now().UnixNano())
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b := make([]byte, 200)
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for i := 0; i < 100000; i++ {
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n, err := rand.Read(b[:rand.Int()%len(b)])
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if err != nil {
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t.Fatal(err)
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}
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sm, err := json.Marshal(string(b[:n]))
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if err != nil {
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t.Fatal(err)
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}
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var su string
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if err := json.Unmarshal([]byte(sm), &su); err != nil {
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t.Fatal(err)
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}
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token := Get(`{"str":`+string(sm)+`}`, "str")
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if token.Type != String || token.Str != su {
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println("["+token.Raw+"]", "["+token.Str+"]", "["+su+"]", "["+string(sm)+"]")
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t.Fatal("string mismatch")
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}
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}
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}
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func testEscapePath(t *testing.T, json, path, expect string) {
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if Get(json, path).String() != expect {
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t.Fatalf("expected '%v', got '%v'", expect, Get(json, path).String())
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}
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}
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func TestEscapePath(t *testing.T) {
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json := `{
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"test":{
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"*":"valZ",
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"*v":"val0",
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"keyv*":"val1",
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"key*v":"val2",
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"keyv?":"val3",
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"key?v":"val4",
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"keyv.":"val5",
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"key.v":"val6",
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"keyk*":{"key?":"val7"}
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}
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}`
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testEscapePath(t, json, "test.\\*", "valZ")
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testEscapePath(t, json, "test.\\*v", "val0")
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testEscapePath(t, json, "test.keyv\\*", "val1")
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testEscapePath(t, json, "test.key\\*v", "val2")
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testEscapePath(t, json, "test.keyv\\?", "val3")
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testEscapePath(t, json, "test.key\\?v", "val4")
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testEscapePath(t, json, "test.keyv\\.", "val5")
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testEscapePath(t, json, "test.key\\.v", "val6")
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testEscapePath(t, json, "test.keyk\\*.key\\?", "val7")
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}
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// this json block is poorly formed on purpose.
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var basicJSON = `{"age":100, "name":{"here":"B\\\"R"},
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"noop":{"what is a wren?":"a bird"},
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"happy":true,"immortal":false,
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"items":[1,2,3,{"tags":[1,2,3],"points":[[1,2],[3,4]]},4,5,6,7],
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"arr":["1",2,"3",{"hello":"world"},"4",5],
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"vals":[1,2,3,{"sadf":sdf"asdf"}],"name":{"first":"tom","last":null},
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"loggy":{
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"programmers": [
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{
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"firstName": "Brett",
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"lastName": "McLaughlin",
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"email": "aaaa"
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},
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{
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"firstName": "Jason",
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"lastName": "Hunter",
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"email": "bbbb"
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},
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{
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"firstName": "Elliotte",
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"lastName": "Harold",
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"email": "cccc"
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},
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{
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"firstName": 1002.3,
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"age": 101
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}
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]
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}
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}`
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var basicJSONB = []byte(basicJSON)
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func TestByteSafety(t *testing.T) {
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jsonb := []byte(`{"name":"Janet","age":38}`)
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mtok := GetBytes(jsonb, "name")
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if mtok.String() != "Janet" {
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t.Fatalf("expected %v, got %v", "Jason", mtok.String())
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}
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mtok2 := GetBytes(jsonb, "age")
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if mtok2.Raw != "38" {
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t.Fatalf("expected %v, got %v", "Jason", mtok2.Raw)
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}
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jsonb[9] = 'T'
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jsonb[12] = 'd'
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jsonb[13] = 'y'
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if mtok.String() != "Janet" {
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t.Fatalf("expected %v, got %v", "Jason", mtok.String())
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}
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}
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func get(json, path string) Result {
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return GetBytes([]byte(basicJSONB), path)
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}
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func TestBasic(t *testing.T) {
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var mtok Result
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mtok = get(basicJSON, `loggy.programmers.#[age=101].firstName`)
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if mtok.String() != "1002.3" {
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t.Fatalf("expected %v, got %v", "1002,3", mtok.String())
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}
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mtok = get(basicJSON, `loggy.programmers.#[firstName == "Brett"].email`)
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if mtok.String() != "aaaa" {
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t.Fatalf("expected %v, got %v", "aaaa", mtok.String())
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}
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mtok = get(basicJSON, "loggy")
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if mtok.Type != JSON {
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t.Fatalf("expected %v, got %v", JSON, mtok.Type)
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}
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if len(mtok.Map()) != 1 {
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t.Fatalf("expected %v, got %v", 1, len(mtok.Map()))
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}
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programmers := mtok.Map()["programmers"]
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if programmers.Array()[1].Map()["firstName"].Str != "Jason" {
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t.Fatalf("expected %v, got %v", "Jason", mtok.Map()["programmers"].Array()[1].Map()["firstName"].Str)
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}
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if Parse(basicJSON).Get("loggy.programmers").Get("1").Get("firstName").Str != "Jason" {
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t.Fatalf("expected %v, got %v", "Jason", Parse(basicJSON).Get("loggy.programmers").Get("1").Get("firstName").Str)
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}
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var token Result
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if token = Parse("-102"); token.Num != -102 {
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t.Fatal("expected %v, got %v", -102, token.Num)
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}
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if token = Parse("102"); token.Num != 102 {
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t.Fatal("expected %v, got %v", 102, token.Num)
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}
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if token = Parse("102.2"); token.Num != 102.2 {
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t.Fatal("expected %v, got %v", 102.2, token.Num)
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}
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if token = Parse(`"hello"`); token.Str != "hello" {
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t.Fatal("expected %v, got %v", "hello", token.Str)
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}
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if token = Parse(`"\"he\nllo\""`); token.Str != "\"he\nllo\"" {
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t.Fatal("expected %v, got %v", "\"he\nllo\"", token.Str)
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}
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mtok = get(basicJSON, "loggy.programmers.#.firstName")
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if len(mtok.Array()) != 4 {
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t.Fatalf("expected 4, got %v", len(mtok.Array()))
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}
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for i, ex := range []string{"Brett", "Jason", "Elliotte", "1002.3"} {
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if mtok.Array()[i].String() != ex {
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t.Fatalf("expected '%v', got '%v'", ex, mtok.Array()[i].String())
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}
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}
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mtok = get(basicJSON, "loggy.programmers.#.asd")
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if mtok.Type != JSON {
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t.Fatal("expected %v, got %v", JSON, mtok.Type)
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}
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if len(mtok.Array()) != 0 {
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t.Fatalf("expected 0, got %v", len(mtok.Array()))
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}
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if get(basicJSON, "items.3.tags.#").Num != 3 {
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t.Fatalf("expected 3, got %v", get(basicJSON, "items.3.tags.#").Num)
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}
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if get(basicJSON, "items.3.points.1.#").Num != 2 {
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t.Fatalf("expected 2, got %v", get(basicJSON, "items.3.points.1.#").Num)
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}
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if get(basicJSON, "items.#").Num != 8 {
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t.Fatalf("expected 6, got %v", get(basicJSON, "items.#").Num)
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}
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if get(basicJSON, "vals.#").Num != 4 {
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t.Fatalf("expected 4, got %v", get(basicJSON, "vals.#").Num)
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}
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if !get(basicJSON, "name.last").Exists() {
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t.Fatal("expected true, got false")
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}
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token = get(basicJSON, "name.here")
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if token.String() != "B\\\"R" {
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t.Fatal("expecting 'B\\\"R'", "got", token.String())
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}
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token = get(basicJSON, "arr.#")
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if token.String() != "6" {
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t.Fatal("expecting '6'", "got", token.String())
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}
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token = get(basicJSON, "arr.3.hello")
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if token.String() != "world" {
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t.Fatal("expecting 'world'", "got", token.String())
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}
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_ = token.Value().(string)
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token = get(basicJSON, "name.first")
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if token.String() != "tom" {
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t.Fatal("expecting 'tom'", "got", token.String())
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}
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_ = token.Value().(string)
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token = get(basicJSON, "name.last")
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if token.String() != "null" {
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t.Fatal("expecting 'null'", "got", token.String())
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}
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if token.Value() != nil {
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t.Fatal("should be nil")
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}
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token = get(basicJSON, "age")
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if token.String() != "100" {
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t.Fatal("expecting '100'", "got", token.String())
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}
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_ = token.Value().(float64)
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token = get(basicJSON, "happy")
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if token.String() != "true" {
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t.Fatal("expecting 'true'", "got", token.String())
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}
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_ = token.Value().(bool)
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token = get(basicJSON, "immortal")
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if token.String() != "false" {
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t.Fatal("expecting 'false'", "got", token.String())
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}
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_ = token.Value().(bool)
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token = get(basicJSON, "noop")
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if token.String() != `{"what is a wren?":"a bird"}` {
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t.Fatal("expecting '"+`{"what is a wren?":"a bird"}`+"'", "got", token.String())
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}
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_ = token.Value().(map[string]interface{})
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if get(basicJSON, "").Value() != nil {
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t.Fatal("should be nil")
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}
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get(basicJSON, "vals.hello")
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mm := Parse(basicJSON).Value().(map[string]interface{})
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fn := mm["loggy"].(map[string]interface{})["programmers"].([]interface{})[1].(map[string]interface{})["firstName"].(string)
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if fn != "Jason" {
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t.Fatalf("expecting %v, got %v", "Jason", fn)
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}
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}
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func TestUnicode(t *testing.T) {
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var json = `{"key":0,"的情况下解":{"key":1,"的情况":2}}`
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if Get(json, "的情况下解.key").Num != 1 {
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t.Fatal("fail")
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}
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if Get(json, "的情况下解.的情况").Num != 2 {
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t.Fatal("fail")
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}
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if Get(json, "的情况下解.的?况").Num != 2 {
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t.Fatal("fail")
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}
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if Get(json, "的情况下解.的?*").Num != 2 {
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t.Fatal("fail")
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}
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if Get(json, "的情况下解.*?况").Num != 2 {
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t.Fatal("fail")
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}
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if Get(json, "的情?下解.*?况").Num != 2 {
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t.Fatal("fail")
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}
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if Get(json, "的情下解.*?况").Num != 0 {
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t.Fatal("fail")
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}
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}
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func TestUnescape(t *testing.T) {
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unescape(string([]byte{'\\', '\\', 0}))
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unescape(string([]byte{'\\', '/', '\\', 'b', '\\', 'f'}))
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}
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func assert(t testing.TB, cond bool) {
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if !cond {
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t.Fatal("assert failed")
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}
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}
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func TestLess(t *testing.T) {
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assert(t, !Result{Type: Null}.Less(Result{Type: Null}, true))
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assert(t, Result{Type: Null}.Less(Result{Type: False}, true))
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assert(t, Result{Type: Null}.Less(Result{Type: True}, true))
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assert(t, Result{Type: Null}.Less(Result{Type: JSON}, true))
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assert(t, Result{Type: Null}.Less(Result{Type: Number}, true))
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assert(t, Result{Type: Null}.Less(Result{Type: String}, true))
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assert(t, !Result{Type: False}.Less(Result{Type: Null}, true))
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assert(t, Result{Type: False}.Less(Result{Type: True}, true))
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assert(t, Result{Type: String, Str: "abc"}.Less(Result{Type: String, Str: "bcd"}, true))
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assert(t, Result{Type: String, Str: "ABC"}.Less(Result{Type: String, Str: "abc"}, true))
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assert(t, !Result{Type: String, Str: "ABC"}.Less(Result{Type: String, Str: "abc"}, false))
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assert(t, Result{Type: Number, Num: 123}.Less(Result{Type: Number, Num: 456}, true))
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assert(t, !Result{Type: Number, Num: 456}.Less(Result{Type: Number, Num: 123}, true))
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assert(t, !Result{Type: Number, Num: 456}.Less(Result{Type: Number, Num: 456}, true))
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assert(t, stringLessInsensitive("abcde", "BBCDE"))
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assert(t, stringLessInsensitive("abcde", "bBCDE"))
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assert(t, stringLessInsensitive("Abcde", "BBCDE"))
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assert(t, stringLessInsensitive("Abcde", "bBCDE"))
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assert(t, !stringLessInsensitive("bbcde", "aBCDE"))
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assert(t, !stringLessInsensitive("bbcde", "ABCDE"))
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assert(t, !stringLessInsensitive("Bbcde", "aBCDE"))
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assert(t, !stringLessInsensitive("Bbcde", "ABCDE"))
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assert(t, !stringLessInsensitive("abcde", "ABCDE"))
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assert(t, !stringLessInsensitive("Abcde", "ABCDE"))
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assert(t, !stringLessInsensitive("abcde", "ABCDE"))
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assert(t, !stringLessInsensitive("ABCDE", "ABCDE"))
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assert(t, !stringLessInsensitive("abcde", "abcde"))
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assert(t, !stringLessInsensitive("123abcde", "123Abcde"))
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assert(t, !stringLessInsensitive("123Abcde", "123Abcde"))
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assert(t, !stringLessInsensitive("123Abcde", "123abcde"))
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assert(t, !stringLessInsensitive("123abcde", "123abcde"))
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assert(t, !stringLessInsensitive("124abcde", "123abcde"))
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assert(t, !stringLessInsensitive("124Abcde", "123Abcde"))
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assert(t, !stringLessInsensitive("124Abcde", "123abcde"))
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assert(t, !stringLessInsensitive("124abcde", "123abcde"))
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assert(t, stringLessInsensitive("124abcde", "125abcde"))
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assert(t, stringLessInsensitive("124Abcde", "125Abcde"))
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assert(t, stringLessInsensitive("124Abcde", "125abcde"))
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assert(t, stringLessInsensitive("124abcde", "125abcde"))
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}
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func TestIssue6(t *testing.T) {
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data := `{
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"code": 0,
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"msg": "",
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"data": {
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"sz002024": {
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"qfqday": [
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[
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"2014-01-02",
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"8.93",
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"9.03",
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"9.17",
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"8.88",
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"621143.00"
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],
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[
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"2014-01-03",
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"9.03",
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"9.30",
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"9.47",
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"8.98",
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"1624438.00"
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]
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]
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}
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}
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}`
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var num []string
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for _, v := range Get(data, "data.sz002024.qfqday.0").Array() {
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num = append(num, v.String())
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}
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if fmt.Sprintf("%v", num) != "[2014-01-02 8.93 9.03 9.17 8.88 621143.00]" {
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t.Fatalf("invalid result")
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}
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}
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var exampleJSON = `{
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"widget": {
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"debug": "on",
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"window": {
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"title": "Sample Konfabulator Widget",
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"name": "main_window",
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"width": 500,
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"height": 500
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},
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"image": {
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"src": "Images/Sun.png",
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"hOffset": 250,
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"vOffset": 250,
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"alignment": "center"
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},
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"text": {
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"data": "Click Here",
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"size": 36,
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"style": "bold",
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"vOffset": 100,
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"alignment": "center",
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"onMouseUp": "sun1.opacity = (sun1.opacity / 100) * 90;"
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}
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}
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}`
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func TestNewParse(t *testing.T) {
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//fmt.Printf("%v\n", parse2(exampleJSON, "widget").String())
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}
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func TestUnmarshalMap(t *testing.T) {
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var m1 = Parse(exampleJSON).Value().(map[string]interface{})
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var m2 map[string]interface{}
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if err := json.Unmarshal([]byte(exampleJSON), &m2); err != nil {
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t.Fatal(err)
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}
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b1, err := json.Marshal(m1)
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if err != nil {
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t.Fatal(err)
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}
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b2, err := json.Marshal(m2)
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if err != nil {
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t.Fatal(err)
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}
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if bytes.Compare(b1, b2) != 0 {
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t.Fatal("b1 != b2")
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}
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}
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func TestSingleArrayValue(t *testing.T) {
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var json = `{"key": "value"}`
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var result = Get(json, "key")
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var array = result.Array()
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if len(array) != 1 {
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t.Fatal("array is empty")
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}
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if array[0].String() != "value" {
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t.Fatal("got %s, should be %s", array[0].String(), "value")
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}
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}
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type BenchStruct struct {
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Widget struct {
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Window struct {
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Name string `json:"name"`
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} `json:"window"`
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Image struct {
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HOffset int `json:"hOffset"`
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} `json:"image"`
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Text struct {
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OnMouseUp string `json:"onMouseUp"`
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} `json:"text"`
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} `json:"widget"`
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}
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var benchPaths = []string{
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"widget.window.name",
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"widget.image.hOffset",
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"widget.text.onMouseUp",
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}
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func BenchmarkGJSONGet(t *testing.B) {
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t.ReportAllocs()
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t.ResetTimer()
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for i := 0; i < t.N; i++ {
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for j := 0; j < len(benchPaths); j++ {
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if Get(exampleJSON, benchPaths[j]).Type == Null {
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t.Fatal("did not find the value")
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}
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}
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}
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t.N *= len(benchPaths) // because we are running against 3 paths
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}
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func BenchmarkGJSONUnmarshalMap(t *testing.B) {
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t.ReportAllocs()
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t.ResetTimer()
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for i := 0; i < t.N; i++ {
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for j := 0; j < len(benchPaths); j++ {
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parts := strings.Split(benchPaths[j], ".")
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m, _ := Parse(exampleJSON).Value().(map[string]interface{})
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var v interface{}
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for len(parts) > 0 {
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part := parts[0]
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if len(parts) > 1 {
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m = m[part].(map[string]interface{})
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if m == nil {
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t.Fatal("did not find the value")
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}
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} else {
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v = m[part]
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if v == nil {
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t.Fatal("did not find the value")
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}
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}
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parts = parts[1:]
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}
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}
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}
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t.N *= len(benchPaths) // because we are running against 3 paths
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}
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func BenchmarkJSONUnmarshalMap(t *testing.B) {
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t.ReportAllocs()
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t.ResetTimer()
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for i := 0; i < t.N; i++ {
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for j := 0; j < len(benchPaths); j++ {
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parts := strings.Split(benchPaths[j], ".")
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var m map[string]interface{}
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if err := json.Unmarshal([]byte(exampleJSON), &m); err != nil {
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t.Fatal(err)
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}
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var v interface{}
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for len(parts) > 0 {
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part := parts[0]
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if len(parts) > 1 {
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m = m[part].(map[string]interface{})
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if m == nil {
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t.Fatal("did not find the value")
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}
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} else {
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v = m[part]
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if v == nil {
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t.Fatal("did not find the value")
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}
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}
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parts = parts[1:]
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}
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}
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}
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t.N *= len(benchPaths) // because we are running against 3 paths
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}
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func BenchmarkJSONUnmarshalStruct(t *testing.B) {
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t.ReportAllocs()
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t.ResetTimer()
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for i := 0; i < t.N; i++ {
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for j := 0; j < len(benchPaths); j++ {
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var s BenchStruct
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if err := json.Unmarshal([]byte(exampleJSON), &s); err != nil {
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t.Fatal(err)
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}
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switch benchPaths[j] {
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case "widget.window.name":
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if s.Widget.Window.Name == "" {
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t.Fatal("did not find the value")
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}
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case "widget.image.hOffset":
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if s.Widget.Image.HOffset == 0 {
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t.Fatal("did not find the value")
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}
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case "widget.text.onMouseUp":
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if s.Widget.Text.OnMouseUp == "" {
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t.Fatal("did not find the value")
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}
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}
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}
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}
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t.N *= len(benchPaths) // because we are running against 3 paths
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}
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func BenchmarkJSONDecoder(t *testing.B) {
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t.ReportAllocs()
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t.ResetTimer()
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for i := 0; i < t.N; i++ {
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for j := 0; j < len(benchPaths); j++ {
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dec := json.NewDecoder(bytes.NewBuffer([]byte(exampleJSON)))
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var found bool
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outer:
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for {
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tok, err := dec.Token()
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if err != nil {
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if err == io.EOF {
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break
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}
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t.Fatal(err)
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}
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switch v := tok.(type) {
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case string:
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if found {
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// break out once we find the value.
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break outer
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}
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switch benchPaths[j] {
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case "widget.window.name":
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if v == "name" {
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found = true
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}
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case "widget.image.hOffset":
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if v == "hOffset" {
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found = true
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}
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case "widget.text.onMouseUp":
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if v == "onMouseUp" {
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found = true
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}
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}
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}
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}
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if !found {
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t.Fatal("field not found")
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}
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}
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}
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t.N *= len(benchPaths) // because we are running against 3 paths
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}
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func BenchmarkFFJSONLexer(t *testing.B) {
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t.ReportAllocs()
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t.ResetTimer()
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for i := 0; i < t.N; i++ {
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for j := 0; j < len(benchPaths); j++ {
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l := fflib.NewFFLexer([]byte(exampleJSON))
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var found bool
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outer:
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for {
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t := l.Scan()
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if t == fflib.FFTok_eof {
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break
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}
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if t == fflib.FFTok_string {
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b, _ := l.CaptureField(t)
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v := string(b)
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if found {
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// break out once we find the value.
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break outer
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}
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switch benchPaths[j] {
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case "widget.window.name":
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if v == "\"name\"" {
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found = true
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}
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case "widget.image.hOffset":
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if v == "\"hOffset\"" {
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found = true
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}
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case "widget.text.onMouseUp":
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if v == "\"onMouseUp\"" {
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found = true
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}
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}
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}
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}
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if !found {
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t.Fatal("field not found")
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}
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}
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}
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t.N *= len(benchPaths) // because we are running against 3 paths
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}
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func BenchmarkEasyJSONLexer(t *testing.B) {
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skipCC := func(l *jlexer.Lexer, n int) {
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for i := 0; i < n; i++ {
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l.Skip()
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l.WantColon()
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l.Skip()
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l.WantComma()
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}
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}
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skipGroup := func(l *jlexer.Lexer, n int) {
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l.WantColon()
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l.Delim('{')
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skipCC(l, n)
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l.Delim('}')
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l.WantComma()
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}
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t.ReportAllocs()
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t.ResetTimer()
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for i := 0; i < t.N; i++ {
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for j := 0; j < len(benchPaths); j++ {
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l := &jlexer.Lexer{Data: []byte(exampleJSON)}
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l.Delim('{')
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if l.String() == "widget" {
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l.WantColon()
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l.Delim('{')
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switch benchPaths[j] {
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case "widget.window.name":
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skipCC(l, 1)
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if l.String() == "window" {
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l.WantColon()
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l.Delim('{')
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skipCC(l, 1)
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if l.String() == "name" {
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l.WantColon()
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if l.String() == "" {
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t.Fatal("did not find the value")
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}
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}
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}
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case "widget.image.hOffset":
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skipCC(l, 1)
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if l.String() == "window" {
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skipGroup(l, 4)
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}
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if l.String() == "image" {
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l.WantColon()
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l.Delim('{')
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skipCC(l, 1)
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if l.String() == "hOffset" {
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l.WantColon()
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if l.Int() == 0 {
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t.Fatal("did not find the value")
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}
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}
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}
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case "widget.text.onMouseUp":
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skipCC(l, 1)
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if l.String() == "window" {
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skipGroup(l, 4)
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}
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if l.String() == "image" {
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skipGroup(l, 4)
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}
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if l.String() == "text" {
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l.WantColon()
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l.Delim('{')
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skipCC(l, 5)
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if l.String() == "onMouseUp" {
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l.WantColon()
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if l.String() == "" {
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t.Fatal("did not find the value")
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}
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}
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}
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}
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}
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}
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}
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t.N *= len(benchPaths) // because we are running against 3 paths
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}
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func BenchmarkJSONParserGet(t *testing.B) {
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data := []byte(exampleJSON)
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keys := make([][]string, 0, len(benchPaths))
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for i := 0; i < len(benchPaths); i++ {
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keys = append(keys, strings.Split(benchPaths[i], "."))
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}
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t.ReportAllocs()
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t.ResetTimer()
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for i := 0; i < t.N; i++ {
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for j, k := range keys {
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if j == 1 {
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// "widget.image.hOffset" is a number
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v, _ := jsonparser.GetInt(data, k...)
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if v == 0 {
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t.Fatal("did not find the value")
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}
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} else {
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// "widget.window.name",
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// "widget.text.onMouseUp",
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v, _ := jsonparser.GetString(data, k...)
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if v == "" {
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t.Fatal("did not find the value")
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}
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}
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}
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}
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t.N *= len(benchPaths) // because we are running against 3 paths
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}
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var massiveJSON = func() string {
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var buf bytes.Buffer
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buf.WriteString("[")
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for i := 0; i < 100; i++ {
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if i > 0 {
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buf.WriteByte(',')
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}
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buf.WriteString(exampleJSON)
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}
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buf.WriteString("]")
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return buf.String()
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}()
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func BenchmarkConvertNone(t *testing.B) {
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json := massiveJSON
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t.ReportAllocs()
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t.ResetTimer()
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for i := 0; i < t.N; i++ {
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Get(json, "50.widget.text.onMouseUp")
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}
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}
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func BenchmarkConvertGet(t *testing.B) {
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data := []byte(massiveJSON)
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t.ReportAllocs()
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t.ResetTimer()
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for i := 0; i < t.N; i++ {
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Get(string(data), "50.widget.text.onMouseUp")
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}
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}
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func BenchmarkConvertGetBytes(t *testing.B) {
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data := []byte(massiveJSON)
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t.ReportAllocs()
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t.ResetTimer()
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for i := 0; i < t.N; i++ {
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GetBytes(data, "50.widget.text.onMouseUp")
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}
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}
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