mirror of
https://github.com/ceph/ceph-csi.git
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574 lines
13 KiB
Go
574 lines
13 KiB
Go
// Copyright 2013 sigu-399 ( https://github.com/sigu-399 )
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// author sigu-399
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// author-github https://github.com/sigu-399
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// author-mail sigu.399@gmail.com
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//
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// repository-name jsonpointer
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// repository-desc An implementation of JSON Pointer - Go language
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//
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// description Automated tests on package.
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//
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// created 03-03-2013
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package jsonpointer
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import (
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"encoding/json"
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"fmt"
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"strconv"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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const (
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TestDocumentNBItems = 11
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TestNodeObjNBItems = 4
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TestDocumentString = `{
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"foo": ["bar", "baz"],
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"obj": { "a":1, "b":2, "c":[3,4], "d":[ {"e":9}, {"f":[50,51]} ] },
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"": 0,
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"a/b": 1,
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"c%d": 2,
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"e^f": 3,
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"g|h": 4,
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"i\\j": 5,
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"k\"l": 6,
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" ": 7,
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"m~n": 8
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}`
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)
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var testDocumentJSON interface{}
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type testStructJSON struct {
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Foo []string `json:"foo"`
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Obj struct {
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A int `json:"a"`
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B int `json:"b"`
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C []int `json:"c"`
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D []struct {
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E int `json:"e"`
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F []int `json:"f"`
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} `json:"d"`
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} `json:"obj"`
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}
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type aliasedMap map[string]interface{}
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var testStructJSONDoc testStructJSON
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var testStructJSONPtr *testStructJSON
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func init() {
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json.Unmarshal([]byte(TestDocumentString), &testDocumentJSON)
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json.Unmarshal([]byte(TestDocumentString), &testStructJSONDoc)
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testStructJSONPtr = &testStructJSONDoc
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}
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func TestEscaping(t *testing.T) {
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ins := []string{`/`, `/`, `/a~1b`, `/a~1b`, `/c%d`, `/e^f`, `/g|h`, `/i\j`, `/k"l`, `/ `, `/m~0n`}
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outs := []float64{0, 0, 1, 1, 2, 3, 4, 5, 6, 7, 8}
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for i := range ins {
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p, err := New(ins[i])
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if assert.NoError(t, err, "input: %v", ins[i]) {
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result, _, err := p.Get(testDocumentJSON)
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if assert.NoError(t, err, "input: %v", ins[i]) {
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assert.Equal(t, outs[i], result, "input: %v", ins[i])
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}
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}
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}
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}
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func TestFullDocument(t *testing.T) {
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in := ``
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p, err := New(in)
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if err != nil {
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t.Errorf("New(%v) error %v", in, err.Error())
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}
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result, _, err := p.Get(testDocumentJSON)
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if err != nil {
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t.Errorf("Get(%v) error %v", in, err.Error())
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}
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if len(result.(map[string]interface{})) != TestDocumentNBItems {
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t.Errorf("Get(%v) = %v, expect full document", in, result)
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}
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result, _, err = p.get(testDocumentJSON, nil)
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if err != nil {
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t.Errorf("Get(%v) error %v", in, err.Error())
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}
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if len(result.(map[string]interface{})) != TestDocumentNBItems {
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t.Errorf("Get(%v) = %v, expect full document", in, result)
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}
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}
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func TestDecodedTokens(t *testing.T) {
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p, err := New("/obj/a~1b")
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assert.NoError(t, err)
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assert.Equal(t, []string{"obj", "a/b"}, p.DecodedTokens())
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}
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func TestIsEmpty(t *testing.T) {
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p, err := New("")
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assert.NoError(t, err)
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assert.True(t, p.IsEmpty())
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p, err = New("/obj")
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assert.NoError(t, err)
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assert.False(t, p.IsEmpty())
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}
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func TestGetSingle(t *testing.T) {
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in := `/obj`
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_, err := New(in)
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assert.NoError(t, err)
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result, _, err := GetForToken(testDocumentJSON, "obj")
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assert.NoError(t, err)
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assert.Len(t, result, TestNodeObjNBItems)
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result, _, err = GetForToken(testStructJSONDoc, "Obj")
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assert.Error(t, err)
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assert.Nil(t, result)
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result, _, err = GetForToken(testStructJSONDoc, "Obj2")
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assert.Error(t, err)
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assert.Nil(t, result)
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}
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type pointableImpl struct {
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a string
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}
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func (p pointableImpl) JSONLookup(token string) (interface{}, error) {
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if token == "some" {
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return p.a, nil
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}
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return nil, fmt.Errorf("object has no field %q", token)
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}
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func TestPointableInterface(t *testing.T) {
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p := &pointableImpl{"hello"}
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result, _, err := GetForToken(p, "some")
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assert.NoError(t, err)
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assert.Equal(t, p.a, result)
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result, _, err = GetForToken(p, "something")
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assert.Error(t, err)
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assert.Nil(t, result)
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}
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func TestGetNode(t *testing.T) {
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in := `/obj`
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p, err := New(in)
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assert.NoError(t, err)
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result, _, err := p.Get(testDocumentJSON)
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assert.NoError(t, err)
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assert.Len(t, result, TestNodeObjNBItems)
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result, _, err = p.Get(aliasedMap(testDocumentJSON.(map[string]interface{})))
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assert.NoError(t, err)
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assert.Len(t, result, TestNodeObjNBItems)
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result, _, err = p.Get(testStructJSONDoc)
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assert.NoError(t, err)
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assert.Equal(t, testStructJSONDoc.Obj, result)
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result, _, err = p.Get(testStructJSONPtr)
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assert.NoError(t, err)
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assert.Equal(t, testStructJSONDoc.Obj, result)
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}
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func TestArray(t *testing.T) {
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ins := []string{`/foo/0`, `/foo/0`, `/foo/1`}
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outs := []string{"bar", "bar", "baz"}
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for i := range ins {
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p, err := New(ins[i])
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assert.NoError(t, err)
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result, _, err := p.Get(testStructJSONDoc)
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assert.NoError(t, err)
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assert.Equal(t, outs[i], result)
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result, _, err = p.Get(testStructJSONPtr)
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assert.NoError(t, err)
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assert.Equal(t, outs[i], result)
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result, _, err = p.Get(testDocumentJSON)
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assert.NoError(t, err)
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assert.Equal(t, outs[i], result)
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}
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}
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func TestOtherThings(t *testing.T) {
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_, err := New("abc")
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assert.Error(t, err)
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p, err := New("")
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assert.NoError(t, err)
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assert.Equal(t, "", p.String())
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p, err = New("/obj/a")
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assert.Equal(t, "/obj/a", p.String())
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s := Escape("m~n")
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assert.Equal(t, "m~0n", s)
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s = Escape("m/n")
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assert.Equal(t, "m~1n", s)
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p, err = New("/foo/3")
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assert.NoError(t, err)
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_, _, err = p.Get(testDocumentJSON)
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assert.Error(t, err)
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p, err = New("/foo/a")
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assert.NoError(t, err)
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_, _, err = p.Get(testDocumentJSON)
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assert.Error(t, err)
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p, err = New("/notthere")
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assert.NoError(t, err)
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_, _, err = p.Get(testDocumentJSON)
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assert.Error(t, err)
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p, err = New("/invalid")
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assert.NoError(t, err)
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_, _, err = p.Get(1234)
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assert.Error(t, err)
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p, err = New("/foo/1")
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assert.NoError(t, err)
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expected := "hello"
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bbb := testDocumentJSON.(map[string]interface{})["foo"]
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bbb.([]interface{})[1] = "hello"
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v, _, err := p.Get(testDocumentJSON)
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assert.NoError(t, err)
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assert.Equal(t, expected, v)
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esc := Escape("a/")
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assert.Equal(t, "a~1", esc)
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unesc := Unescape(esc)
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assert.Equal(t, "a/", unesc)
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unesc = Unescape("~01")
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assert.Equal(t, "~1", unesc)
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assert.Equal(t, "~0~1", Escape("~/"))
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assert.Equal(t, "~/", Unescape("~0~1"))
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}
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func TestObject(t *testing.T) {
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ins := []string{`/obj/a`, `/obj/b`, `/obj/c/0`, `/obj/c/1`, `/obj/c/1`, `/obj/d/1/f/0`}
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outs := []float64{1, 2, 3, 4, 4, 50}
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for i := range ins {
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p, err := New(ins[i])
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assert.NoError(t, err)
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result, _, err := p.Get(testDocumentJSON)
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assert.NoError(t, err)
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assert.Equal(t, outs[i], result)
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result, _, err = p.Get(testStructJSONDoc)
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assert.NoError(t, err)
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assert.EqualValues(t, outs[i], result)
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result, _, err = p.Get(testStructJSONPtr)
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assert.NoError(t, err)
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assert.EqualValues(t, outs[i], result)
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}
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}
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type setJsonDocEle struct {
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B int `json:"b"`
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C int `json:"c"`
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}
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type setJsonDoc struct {
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A []struct {
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B int `json:"b"`
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C int `json:"c"`
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} `json:"a"`
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D int `json:"d"`
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}
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type settableDoc struct {
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Coll settableColl
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Int settableInt
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}
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func (s settableDoc) MarshalJSON() ([]byte, error) {
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var res struct {
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A settableColl `json:"a"`
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D settableInt `json:"d"`
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}
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res.A = s.Coll
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res.D = s.Int
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return json.Marshal(res)
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}
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func (s *settableDoc) UnmarshalJSON(data []byte) error {
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var res struct {
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A settableColl `json:"a"`
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D settableInt `json:"d"`
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}
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if err := json.Unmarshal(data, &res); err != nil {
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return err
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}
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s.Coll = res.A
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s.Int = res.D
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return nil
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}
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// JSONLookup implements an interface to customize json pointer lookup
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func (s settableDoc) JSONLookup(token string) (interface{}, error) {
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switch token {
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case "a":
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return &s.Coll, nil
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case "d":
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return &s.Int, nil
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default:
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return nil, fmt.Errorf("%s is not a known field", token)
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}
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}
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// JSONLookup implements an interface to customize json pointer lookup
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func (s *settableDoc) JSONSet(token string, data interface{}) error {
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switch token {
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case "a":
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switch dt := data.(type) {
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case settableColl:
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s.Coll = dt
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return nil
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case *settableColl:
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if dt != nil {
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s.Coll = *dt
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} else {
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s.Coll = settableColl{}
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}
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return nil
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case []settableCollItem:
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s.Coll.Items = dt
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return nil
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}
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case "d":
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switch dt := data.(type) {
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case settableInt:
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s.Int = dt
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return nil
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case int:
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s.Int.Value = dt
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return nil
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case int8:
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s.Int.Value = int(dt)
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return nil
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case int16:
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s.Int.Value = int(dt)
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return nil
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case int32:
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s.Int.Value = int(dt)
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return nil
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case int64:
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s.Int.Value = int(dt)
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return nil
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default:
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return fmt.Errorf("invalid type %T for %s", data, token)
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}
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}
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return fmt.Errorf("%s is not a known field", token)
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}
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type settableColl struct {
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Items []settableCollItem
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}
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func (s settableColl) MarshalJSON() ([]byte, error) {
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return json.Marshal(s.Items)
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}
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func (s *settableColl) UnmarshalJSON(data []byte) error {
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return json.Unmarshal(data, &s.Items)
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}
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// JSONLookup implements an interface to customize json pointer lookup
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func (s settableColl) JSONLookup(token string) (interface{}, error) {
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if tok, err := strconv.Atoi(token); err == nil {
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return &s.Items[tok], nil
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}
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return nil, fmt.Errorf("%s is not a valid index", token)
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}
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// JSONLookup implements an interface to customize json pointer lookup
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func (s *settableColl) JSONSet(token string, data interface{}) error {
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if _, err := strconv.Atoi(token); err == nil {
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_, err := SetForToken(s.Items, token, data)
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return err
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}
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return fmt.Errorf("%s is not a valid index", token)
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}
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type settableCollItem struct {
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B int `json:"b"`
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C int `json:"c"`
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}
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type settableInt struct {
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Value int
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}
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func (s settableInt) MarshalJSON() ([]byte, error) {
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return json.Marshal(s.Value)
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}
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func (s *settableInt) UnmarshalJSON(data []byte) error {
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return json.Unmarshal(data, &s.Value)
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}
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func TestSetNode(t *testing.T) {
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jsonText := `{"a":[{"b": 1, "c": 2}], "d": 3}`
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var jsonDocument interface{}
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if assert.NoError(t, json.Unmarshal([]byte(jsonText), &jsonDocument)) {
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in := "/a/0/c"
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p, err := New(in)
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if assert.NoError(t, err) {
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_, err = p.Set(jsonDocument, 999)
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assert.NoError(t, err)
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firstNode := jsonDocument.(map[string]interface{})
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assert.Len(t, firstNode, 2)
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sliceNode := firstNode["a"].([]interface{})
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assert.Len(t, sliceNode, 1)
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changedNode := sliceNode[0].(map[string]interface{})
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chNodeVI := changedNode["c"]
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if assert.IsType(t, 0, chNodeVI) {
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changedNodeValue := chNodeVI.(int)
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if assert.Equal(t, 999, changedNodeValue) {
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assert.Len(t, sliceNode, 1)
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}
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}
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}
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v, err := New("/a/0")
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if assert.NoError(t, err) {
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_, err = v.Set(jsonDocument, map[string]interface{}{"b": 3, "c": 8})
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if assert.NoError(t, err) {
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firstNode := jsonDocument.(map[string]interface{})
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assert.Len(t, firstNode, 2)
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sliceNode := firstNode["a"].([]interface{})
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assert.Len(t, sliceNode, 1)
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changedNode := sliceNode[0].(map[string]interface{})
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assert.Equal(t, 3, changedNode["b"])
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assert.Equal(t, 8, changedNode["c"])
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}
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}
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}
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var structDoc setJsonDoc
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if assert.NoError(t, json.Unmarshal([]byte(jsonText), &structDoc)) {
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g, err := New("/a")
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if assert.NoError(t, err) {
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_, err = g.Set(&structDoc, []struct {
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B int `json:"b"`
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C int `json:"c"`
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}{{B: 4, C: 7}})
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if assert.NoError(t, err) {
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assert.Len(t, structDoc.A, 1)
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changedNode := structDoc.A[0]
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assert.Equal(t, 4, changedNode.B)
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assert.Equal(t, 7, changedNode.C)
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}
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}
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v, err := New("/a/0")
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if assert.NoError(t, err) {
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_, err = v.Set(structDoc, struct {
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B int `json:"b"`
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C int `json:"c"`
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}{B: 3, C: 8})
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if assert.NoError(t, err) {
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assert.Len(t, structDoc.A, 1)
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changedNode := structDoc.A[0]
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assert.Equal(t, 3, changedNode.B)
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assert.Equal(t, 8, changedNode.C)
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}
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}
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p, err := New("/a/0/c")
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if assert.NoError(t, err) {
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_, err = p.Set(&structDoc, 999)
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assert.NoError(t, err)
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if assert.Len(t, structDoc.A, 1) {
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assert.Equal(t, 999, structDoc.A[0].C)
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}
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}
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}
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var setDoc settableDoc
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if assert.NoError(t, json.Unmarshal([]byte(jsonText), &setDoc)) {
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g, err := New("/a")
|
|
if assert.NoError(t, err) {
|
|
_, err = g.Set(&setDoc, []settableCollItem{{B: 4, C: 7}})
|
|
|
|
if assert.NoError(t, err) {
|
|
assert.Len(t, setDoc.Coll.Items, 1)
|
|
changedNode := setDoc.Coll.Items[0]
|
|
assert.Equal(t, 4, changedNode.B)
|
|
assert.Equal(t, 7, changedNode.C)
|
|
}
|
|
}
|
|
|
|
v, err := New("/a/0")
|
|
if assert.NoError(t, err) {
|
|
_, err = v.Set(setDoc, settableCollItem{B: 3, C: 8})
|
|
|
|
if assert.NoError(t, err) {
|
|
assert.Len(t, setDoc.Coll.Items, 1)
|
|
changedNode := setDoc.Coll.Items[0]
|
|
assert.Equal(t, 3, changedNode.B)
|
|
assert.Equal(t, 8, changedNode.C)
|
|
}
|
|
}
|
|
|
|
p, err := New("/a/0/c")
|
|
if assert.NoError(t, err) {
|
|
_, err = p.Set(setDoc, 999)
|
|
assert.NoError(t, err)
|
|
if assert.Len(t, setDoc.Coll.Items, 1) {
|
|
assert.Equal(t, 999, setDoc.Coll.Items[0].C)
|
|
}
|
|
}
|
|
}
|
|
}
|