103 lines
2.0 KiB
Go
103 lines
2.0 KiB
Go
package jsonpointer
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"reflect"
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"strings"
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"testing"
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"github.com/pkg/errors"
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)
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type pointerSetTestCase struct {
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DocPath string
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Pointer string
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Value interface{}
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ExpectedRawDocument string
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}
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func TestPointerSet(t *testing.T) {
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t.Parallel()
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testCases := []pointerSetTestCase{
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{
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DocPath: "./testdata/set/basic.json",
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Pointer: "/foo",
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Value: "bar",
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ExpectedRawDocument: `{"foo":"bar"}`,
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},
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{
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DocPath: "./testdata/set/nested.json",
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Pointer: "/nestedObject/foo/1",
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Value: "test",
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ExpectedRawDocument: `
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{
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"nestedObject": {
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"foo": [
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"bar",
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"test"
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]
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}
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}`,
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},
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{
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DocPath: "./testdata/set/nested.json",
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Pointer: "/nestedObject/foo/-",
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Value: "baz",
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ExpectedRawDocument: `
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{
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"nestedObject": {
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"foo": [
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"bar",
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0,
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"baz"
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]
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}
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}`,
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},
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}
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for i, tc := range testCases {
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func(index int, tc pointerSetTestCase) {
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t.Run(fmt.Sprintf("#%d: '%s'", i, tc.Pointer), func(t *testing.T) {
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t.Parallel()
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baseRawDocument, err := ioutil.ReadFile(tc.DocPath)
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if err != nil {
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t.Fatal(errors.WithStack(err))
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}
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var baseDoc interface{}
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if err := json.Unmarshal([]byte(baseRawDocument), &baseDoc); err != nil {
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t.Fatal(errors.WithStack(err))
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}
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pointer := New(tc.Pointer)
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updatedDoc, err := pointer.Set(baseDoc, tc.Value)
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if err != nil {
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t.Fatal(errors.WithStack(err))
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}
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rawDoc, err := json.MarshalIndent(updatedDoc, "", " ")
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if err != nil {
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t.Fatal(errors.WithStack(err))
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}
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var expectedDoc interface{}
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if err := json.Unmarshal([]byte(tc.ExpectedRawDocument), &expectedDoc); err != nil {
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t.Fatal(errors.WithStack(err))
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}
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if !reflect.DeepEqual(expectedDoc, updatedDoc) {
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t.Errorf("Set pointer '%s' -> '%v': expected document '%s', got '%s'", tc.Pointer, tc.Value, strings.TrimSpace(tc.ExpectedRawDocument), rawDoc)
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}
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})
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}(i, tc)
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}
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}
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