mirror of https://github.com/goccy/go-json.git
235 lines
5.1 KiB
Go
235 lines
5.1 KiB
Go
package json_test
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import (
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"bytes"
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"reflect"
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"sort"
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"testing"
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"github.com/goccy/go-json"
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)
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func TestExtractPath(t *testing.T) {
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src := []byte(`{"a":{"b":10,"c":true},"b":"text"}`)
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t.Run("$.a.b", func(t *testing.T) {
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path, err := json.CreatePath("$.a.b")
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if err != nil {
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t.Fatal(err)
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}
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contents, err := path.Extract(src)
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if err != nil {
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t.Fatal(err)
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}
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if len(contents) != 1 {
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t.Fatal("failed to extract")
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}
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if !bytes.Equal(contents[0], []byte("10")) {
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t.Fatal("failed to extract")
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}
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})
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t.Run("$.b", func(t *testing.T) {
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path, err := json.CreatePath("$.b")
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if err != nil {
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t.Fatal(err)
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}
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contents, err := path.Extract(src)
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if err != nil {
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t.Fatal(err)
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}
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if len(contents) != 1 {
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t.Fatal("failed to extract")
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}
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if !bytes.Equal(contents[0], []byte(`"text"`)) {
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t.Fatal("failed to extract")
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}
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})
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t.Run("$.a", func(t *testing.T) {
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path, err := json.CreatePath("$.a")
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if err != nil {
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t.Fatal(err)
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}
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contents, err := path.Extract(src)
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if err != nil {
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t.Fatal(err)
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}
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if len(contents) != 1 {
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t.Fatal("failed to extract")
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}
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if !bytes.Equal(contents[0], []byte(`{"b":10,"c":true}`)) {
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t.Fatal("failed to extract")
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}
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})
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}
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func TestUnmarshalPath(t *testing.T) {
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t.Run("int", func(t *testing.T) {
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src := []byte(`{"a":{"b":10,"c":true},"b":"text"}`)
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t.Run("success", func(t *testing.T) {
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path, err := json.CreatePath("$.a.b")
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if err != nil {
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t.Fatal(err)
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}
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var v int
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if err := path.Unmarshal(src, &v); err != nil {
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t.Fatal(err)
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}
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if v != 10 {
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t.Fatal("failed to unmarshal path")
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}
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})
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t.Run("failure", func(t *testing.T) {
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path, err := json.CreatePath("$.a.c")
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if err != nil {
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t.Fatal(err)
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}
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var v map[string]interface{}
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if err := path.Unmarshal(src, &v); err == nil {
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t.Fatal("expected error")
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}
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})
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})
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t.Run("bool", func(t *testing.T) {
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src := []byte(`{"a":{"b":10,"c":true},"b":"text"}`)
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t.Run("success", func(t *testing.T) {
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path, err := json.CreatePath("$.a.c")
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if err != nil {
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t.Fatal(err)
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}
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var v bool
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if err := path.Unmarshal(src, &v); err != nil {
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t.Fatal(err)
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}
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if !v {
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t.Fatal("failed to unmarshal path")
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}
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})
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t.Run("failure", func(t *testing.T) {
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path, err := json.CreatePath("$.a.b")
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if err != nil {
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t.Fatal(err)
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}
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var v bool
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if err := path.Unmarshal(src, &v); err == nil {
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t.Fatal("expected error")
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}
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})
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})
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t.Run("map", func(t *testing.T) {
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src := []byte(`{"a":{"b":10,"c":true},"b":"text"}`)
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t.Run("success", func(t *testing.T) {
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path, err := json.CreatePath("$.a")
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if err != nil {
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t.Fatal(err)
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}
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var v map[string]interface{}
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if err := path.Unmarshal(src, &v); err != nil {
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t.Fatal(err)
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}
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if len(v) != 2 {
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t.Fatal("failed to decode map")
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}
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})
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})
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t.Run("path with single quote selector", func(t *testing.T) {
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path, err := json.CreatePath("$['a.b'].c")
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if err != nil {
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t.Fatal(err)
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}
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var v string
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if err := path.Unmarshal([]byte(`{"a.b": {"c": "world"}}`), &v); err != nil {
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t.Fatal(err)
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}
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if v != "world" {
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t.Fatal("failed to unmarshal path")
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}
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})
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t.Run("path with double quote selector", func(t *testing.T) {
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path, err := json.CreatePath(`$."a.b".c`)
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if err != nil {
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t.Fatal(err)
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}
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var v string
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if err := path.Unmarshal([]byte(`{"a.b": {"c": "world"}}`), &v); err != nil {
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t.Fatal(err)
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}
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if v != "world" {
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t.Fatal("failed to unmarshal path")
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}
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})
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}
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func TestGetPath(t *testing.T) {
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t.Run("selector", func(t *testing.T) {
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var v interface{}
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if err := json.Unmarshal([]byte(`{"a":{"b":10,"c":true},"b":"text"}`), &v); err != nil {
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t.Fatal(err)
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}
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path, err := json.CreatePath("$.a.b")
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if err != nil {
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t.Fatal(err)
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}
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var b int
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if err := path.Get(v, &b); err != nil {
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t.Fatal(err)
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}
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if b != 10 {
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t.Fatalf("failed to decode by json.Get")
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}
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})
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t.Run("index", func(t *testing.T) {
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var v interface{}
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if err := json.Unmarshal([]byte(`{"a":[{"b":10,"c":true},{"b":"text"}]}`), &v); err != nil {
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t.Fatal(err)
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}
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path, err := json.CreatePath("$.a[0].b")
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if err != nil {
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t.Fatal(err)
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}
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var b int
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if err := path.Get(v, &b); err != nil {
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t.Fatal(err)
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}
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if b != 10 {
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t.Fatalf("failed to decode by json.Get")
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}
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})
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t.Run("indexAll", func(t *testing.T) {
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var v interface{}
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if err := json.Unmarshal([]byte(`{"a":[{"b":1,"c":true},{"b":2},{"b":3}]}`), &v); err != nil {
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t.Fatal(err)
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}
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path, err := json.CreatePath("$.a[*].b")
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if err != nil {
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t.Fatal(err)
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}
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var b []int
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if err := path.Get(v, &b); err != nil {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(b, []int{1, 2, 3}) {
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t.Fatalf("failed to decode by json.Get")
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}
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})
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t.Run("recursive", func(t *testing.T) {
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var v interface{}
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if err := json.Unmarshal([]byte(`{"a":[{"b":1,"c":true},{"b":2},{"b":3}],"a2":{"b":4}}`), &v); err != nil {
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t.Fatal(err)
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}
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path, err := json.CreatePath("$..b")
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if err != nil {
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t.Fatal(err)
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}
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var b []int
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if err := path.Get(v, &b); err != nil {
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t.Fatal(err)
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}
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sort.Ints(b)
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if !reflect.DeepEqual(b, []int{1, 2, 3, 4}) {
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t.Fatalf("failed to decode by json.Get")
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}
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})
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}
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