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