formidable/internal/jsonpointer/set_test.go

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2022-03-22 09:21:55 +01:00
package jsonpointer
import (
"encoding/json"
"fmt"
"io/ioutil"
"reflect"
"strings"
"testing"
"github.com/pkg/errors"
)
type pointerSetTestCase struct {
DocPath string
Pointer string
Value interface{}
ExpectedRawDocument string
}
func TestPointerSet(t *testing.T) {
t.Parallel()
testCases := []pointerSetTestCase{
{
DocPath: "./testdata/set/basic.json",
Pointer: "/foo",
Value: "bar",
ExpectedRawDocument: `{"foo":"bar"}`,
},
{
DocPath: "./testdata/set/nested.json",
Pointer: "/nestedObject/foo/1",
Value: "test",
ExpectedRawDocument: `
{
"nestedObject": {
"foo": [
"bar",
"test"
]
}
}`,
},
{
DocPath: "./testdata/set/nested.json",
Pointer: "/nestedObject/foo/-",
Value: "baz",
ExpectedRawDocument: `
{
"nestedObject": {
"foo": [
"bar",
0,
"baz"
]
}
}`,
},
}
for i, tc := range testCases {
func(index int, tc pointerSetTestCase) {
t.Run(fmt.Sprintf("#%d: '%s'", i, tc.Pointer), func(t *testing.T) {
t.Parallel()
baseRawDocument, err := ioutil.ReadFile(tc.DocPath)
if err != nil {
t.Fatal(errors.WithStack(err))
}
var baseDoc interface{}
if err := json.Unmarshal([]byte(baseRawDocument), &baseDoc); err != nil {
t.Fatal(errors.WithStack(err))
}
pointer := New(tc.Pointer)
updatedDoc, err := pointer.Set(baseDoc, tc.Value)
if err != nil {
t.Fatal(errors.WithStack(err))
}
rawDoc, err := json.MarshalIndent(updatedDoc, "", " ")
if err != nil {
t.Fatal(errors.WithStack(err))
}
var expectedDoc interface{}
if err := json.Unmarshal([]byte(tc.ExpectedRawDocument), &expectedDoc); err != nil {
t.Fatal(errors.WithStack(err))
}
if !reflect.DeepEqual(expectedDoc, updatedDoc) {
t.Errorf("Set pointer '%s' -> '%v': expected document '%s', got '%s'", tc.Pointer, tc.Value, strings.TrimSpace(tc.ExpectedRawDocument), rawDoc)
}
})
}(i, tc)
}
}