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jsonpath_test.go
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jsonpath_test.go
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package ajson
import (
"fmt"
"reflect"
"strconv"
"strings"
"testing"
)
// JSON from example https://goessner.net/articles/JsonPath/index.html#e3
var jsonPathTestData = []byte(`{ "store": {
"book": [
{ "category": "reference",
"author": "Nigel Rees",
"title": "Sayings of the Century",
"price": 8.95
},
{ "category": "fiction",
"author": "Evelyn Waugh",
"title": "Sword of Honour",
"price": 12.99
},
{ "category": "fiction",
"author": "Herman Melville",
"title": "Moby Dick",
"isbn": "0-553-21311-3",
"price": 8.99
},
{ "category": "fiction",
"author": "J. R. R. Tolkien",
"title": "The Lord of the Rings",
"isbn": "0-395-19395-8",
"price": 22.99
}
],
"bicycle": {
"color": "red",
"price": 19.95
}
}
}`)
var jpStubs = map[string]string{
// JSON from API https://randomuser.me/api/?results=1
"random_user": `{
"results": [
{
"gender": "female",
"name": {
"title": "Miss",
"first": "Annette",
"last": "Jennings"
},
"location": {
"street": {
"number": 855,
"name": "Dane St"
},
"city": "Abilene",
"state": "New York",
"country": "United States",
"postcode": 90538,
"coordinates": {
"latitude": "88.1096",
"longitude": "22.9540"
},
"timezone": {
"offset": "-1:00",
"description": "Azores, Cape Verde Islands"
}
},
"email": "[email protected]",
"login": {
"uuid": "0726120a-e330-42f6-821c-fcec841b797a",
"username": "smallwolf778",
"password": "banker",
"salt": "modk0zGi",
"md5": "5b3a522f1e66625d0e76b92f031ffe80",
"sha1": "d56c12fa9110585956392523a90b06aca99a7fc9",
"sha256": "1b5a15c21683337d60d53dfb5853c8357fa218a96e280f2adf5aefdf2157fd76"
},
"dob": {
"date": "1994-09-14T00:34:29.287Z",
"age": 26
},
"registered": {
"date": "2015-11-18T14:09:34.475Z",
"age": 5
},
"phone": "(217)-464-6621",
"cell": "(445)-236-5456",
"id": {
"name": "SSN",
"value": "071-39-5493"
},
"picture": {
"large": "https://randomuser.me/api/portraits/women/48.jpg",
"medium": "https://randomuser.me/api/portraits/med/women/48.jpg",
"thumbnail": "https://randomuser.me/api/portraits/thumb/women/48.jpg"
},
"nat": "US"
}
],
"info": {
"seed": "eabbc063d314ff54",
"results": 1,
"page": 1,
"version": "1.3"
}
}`,
}
func fullPath(array []*Node) string {
return sliceString(Paths(array))
}
func sliceString(array []string) string {
return "[" + strings.Join(array, ", ") + "]"
}
func sliceEqual(a, b []string) bool {
if len(a) != len(b) {
return false
}
for i, v := range a {
if v != b[i] {
return false
}
}
return true
}
func TestJsonPath(t *testing.T) {
tests := []struct {
name string
path string
expected string
wantErr bool
}{
{name: "root", path: "$", expected: "[$]"},
{name: "roots", path: "$.", expected: "[$]"},
{name: "all objects", path: "$..", expected: "[$, $['store'], $['store']['bicycle'], $['store']['book'], $['store']['book'][0], $['store']['book'][1], $['store']['book'][2], $['store']['book'][3]]"},
{name: "only children", path: "$.*", expected: "[$['store']]"},
{name: "by key", path: "$.store.bicycle", expected: "[$['store']['bicycle']]"},
{name: "all key 1", path: "$..bicycle", expected: "[$['store']['bicycle']]"},
{name: "all key 2", path: "$..price", expected: "[$['store']['bicycle']['price'], $['store']['book'][0]['price'], $['store']['book'][1]['price'], $['store']['book'][2]['price'], $['store']['book'][3]['price']]"},
{name: "all key bracket", path: "$..['price']", expected: "[$['store']['bicycle']['price'], $['store']['book'][0]['price'], $['store']['book'][1]['price'], $['store']['book'][2]['price'], $['store']['book'][3]['price']]"},
{name: "all fields", path: "$['store']['book'][1].*", expected: "[$['store']['book'][1]['author'], $['store']['book'][1]['category'], $['store']['book'][1]['price'], $['store']['book'][1]['title']]"},
{name: "union fields", path: "$['store']['book'][2]['author','price','title']", expected: "[$['store']['book'][2]['author'], $['store']['book'][2]['price'], $['store']['book'][2]['title']]"},
{name: "union indexes", path: "$['store']['book'][1,2]", expected: "[$['store']['book'][1], $['store']['book'][2]]"},
{name: "union indexes calculate", path: "$['store']['book'][-2,(@.length-1)]", expected: "[$['store']['book'][2], $['store']['book'][3]]"},
{name: "union indexes position", path: "$['store']['book'][-1,-3]", expected: "[$['store']['book'][3], $['store']['book'][1]]"},
{name: "slices 1", path: "$..[1:4]", expected: "[$['store']['book'][1], $['store']['book'][2], $['store']['book'][3]]"},
{name: "slices 2", path: "$..[1:4:]", expected: "[$['store']['book'][1], $['store']['book'][2], $['store']['book'][3]]"},
{name: "slices 3", path: "$..[1:4:1]", expected: "[$['store']['book'][1], $['store']['book'][2], $['store']['book'][3]]"},
{name: "slices 4", path: "$..[1:]", expected: "[$['store']['book'][1], $['store']['book'][2], $['store']['book'][3]]"},
{name: "slices 5", path: "$..[:2]", expected: "[$['store']['book'][0], $['store']['book'][1]]"},
{name: "slices 6", path: "$..[:4:2]", expected: "[$['store']['book'][0], $['store']['book'][2]]"},
{name: "slices 7", path: "$..[:4:]", expected: "[$['store']['book'][0], $['store']['book'][1], $['store']['book'][2], $['store']['book'][3]]"},
{name: "slices 8", path: "$..[::]", expected: "[$['store']['book'][0], $['store']['book'][1], $['store']['book'][2], $['store']['book'][3]]"},
{name: "slices 9", path: "$['store']['book'][1:4:2]", expected: "[$['store']['book'][1], $['store']['book'][3]]"},
{name: "slices 10", path: "$['store']['book'][1:4:3]", expected: "[$['store']['book'][1]]"},
{name: "slices 11", path: "$['store']['book'][:-1]", expected: "[$['store']['book'][0], $['store']['book'][1], $['store']['book'][2]]"},
{name: "slices 12", path: "$['store']['book'][-1:]", expected: "[$['store']['book'][3]]"},
{name: "slices 13", path: "$..[::-1]", expected: "[$['store']['book'][3], $['store']['book'][2], $['store']['book'][1], $['store']['book'][0]]"},
{name: "slices 14", path: "$..[::-2]", expected: "[$['store']['book'][3], $['store']['book'][1]]"},
{name: "slices 15", path: "$..[::2]", expected: "[$['store']['book'][0], $['store']['book'][2]]"},
{name: "slices 16", path: "$..[-3:(@.length)]", expected: "[$['store']['book'][1], $['store']['book'][2], $['store']['book'][3]]"},
{name: "slices 17", path: "$..[1:(@.length - 1)]", expected: "[$['store']['book'][1], $['store']['book'][2]]"},
{name: "slices 18", path: "$..[(foobar(@.length))::]", wantErr: true},
{name: "slices 19", path: "$..[::0]", wantErr: true},
{name: "slices 20", path: "$..[:(1/0):]", wantErr: true},
{name: "slices 21", path: "$..[:(1/2):]", wantErr: true},
{name: "slices 22", path: "$..[:0.5:]", wantErr: true},
{name: "calculated 1", path: "$['store']['book'][(@.length-1)]", expected: "[$['store']['book'][3]]"},
{name: "calculated 2", path: "$['store']['book'][(3.5 - 3/2)]", expected: "[$['store']['book'][2]]"},
{name: "calculated 3", path: "$..book[?(@.isbn)]", expected: "[$['store']['book'][2], $['store']['book'][3]]"},
{name: "calculated 4", path: "$..[?(@.price < factorial(3) + 3)]", expected: "[$['store']['book'][0], $['store']['book'][2]]"},
{name: "calculated 5", path: "$..[(1/0)]", wantErr: true},
{name: "calculated 6", path: "$[('store')][('bo'+'ok')][(@.length - 1)]", expected: "[$['store']['book'][3]]"},
{name: "calculated 7", path: "$[('store'+'')][('bo'+'ok')][(true)]", expected: "[$['store']['book'][0], $['store']['book'][1], $['store']['book'][2], $['store']['book'][3]]"},
{name: "calculated 8", path: "$.store.book[(@.length / 0)]", wantErr: true},
{name: "calculated 9", path: "$.store.book[?(@.price / 0 > 0)]", wantErr: true},
{name: "calculated 10", path: "$.store.bicycle.price[(@.length-1)]", expected: `[]`},
{name: "calculated 11", path: "$.store.bicycle.price[?(@ > 0)]", expected: `[]`},
{name: "calculated 12", path: "$.store.book[?(@.price * 0 = 0)]", wantErr: true},
{name: "$.store.book[*].author", path: "$.store.book[*].author", expected: "[$['store']['book'][0]['author'], $['store']['book'][1]['author'], $['store']['book'][2]['author'], $['store']['book'][3]['author']]"},
{name: "$..author", path: "$..author", expected: "[$['store']['book'][0]['author'], $['store']['book'][1]['author'], $['store']['book'][2]['author'], $['store']['book'][3]['author']]"},
{name: "$.store..price", path: "$.store..price", expected: "[$['store']['bicycle']['price'], $['store']['book'][0]['price'], $['store']['book'][1]['price'], $['store']['book'][2]['price'], $['store']['book'][3]['price']]"},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
result, err := JSONPath(jsonPathTestData, test.path)
if (err != nil) != test.wantErr {
t.Errorf("JSONPath() error = %v, wantErr %v. got = %v", err, test.wantErr, result)
return
}
if test.wantErr {
return
}
if fullPath(result) != test.expected {
t.Errorf("Error on JsonPath(json, %s) as %s: path doesn't match\nExpected: %s\nActual: %s", test.path, test.name, test.expected, fullPath(result))
}
})
}
}
func TestJsonPath_value(t *testing.T) {
tests := []struct {
name string
path string
expected interface{}
}{
{name: "length", path: "$['store']['book'].length", expected: float64(4)},
{name: "price", path: "$['store']['book'][?(@.price + 0.05 == 9)].price", expected: float64(8.95)},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
result, err := JSONPath(jsonPathTestData, test.path)
if err != nil {
t.Errorf("Error on JsonPath(json, %s) as %s: %s", test.path, test.name, err.Error())
} else if len(result) != 1 {
t.Errorf("Error on JsonPath(json, %s) as %s: path to long, expected only value\nActual: %s", test.path, test.name, fullPath(result))
} else {
val, err := result[0].Value()
if err != nil {
t.Errorf("Error on JsonPath(json, %s): error %s", test.path, err.Error())
} else {
switch {
case result[0].IsNumeric():
if val.(float64) != test.expected.(float64) {
t.Errorf("Error on JsonPath(json, %s): value doesn't match\nExpected: %v\nActual: %v", test.path, test.expected, val)
}
case result[0].IsString():
if val.(string) != test.expected.(string) {
t.Errorf("Error on JsonPath(json, %s): value doesn't match\nExpected: %v\nActual: %v", test.path, test.expected, val)
}
case result[0].IsBool():
if val.(bool) != test.expected.(bool) {
t.Errorf("Error on JsonPath(json, %s): value doesn't match\nExpected: %v\nActual: %v", test.path, test.expected, val)
}
default:
t.Errorf("Error on JsonPath(json, %s): unsupported type found", test.path)
}
}
}
})
}
}
func TestParseJSONPath(t *testing.T) {
tests := []struct {
name string
path string
expected []string
}{
{name: "root", path: "$", expected: []string{"$"}},
{name: "roots", path: "$.", expected: []string{"$"}},
{name: "all objects", path: "$..", expected: []string{"$", ".."}},
{name: "only children", path: "$.*", expected: []string{"$", "*"}},
{name: "all objects children", path: "$..*", expected: []string{"$", "..", "*"}},
{name: "path dot:simple", path: "$.root.element", expected: []string{"$", "root", "element"}},
{name: "path dot:combined", path: "$.root.*.element", expected: []string{"$", "root", "*", "element"}},
{name: "path bracket:simple", path: "$['root']['element']", expected: []string{"$", "'root'", "'element'"}},
{name: "path bracket:combined", path: "$['root'][*]['element']", expected: []string{"$", "'root'", "*", "'element'"}},
{name: "path bracket:int", path: "$['store']['book'][0]['title']", expected: []string{"$", "'store'", "'book'", "0", "'title'"}},
{name: "path combined:simple", path: "$['root'].*['element']", expected: []string{"$", "'root'", "*", "'element'"}},
{name: "path combined:dotted", path: "$.['root'].*.['element']", expected: []string{"$", "'root'", "*", "'element'"}},
{name: "path combined:dotted small", path: "$['root'].*.['element']", expected: []string{"$", "'root'", "*", "'element'"}},
{name: "phoneNumbers", path: "$.phoneNumbers[*].type", expected: []string{"$", "phoneNumbers", "*", "type"}},
{name: "filtered", path: "$.store.book[?(@.price < 10)].title", expected: []string{"$", "store", "book", "?(@.price < 10)", "title"}},
{name: "formula", path: "$..phoneNumbers..('ty' + 'pe')", expected: []string{"$", "..", "phoneNumbers", "..", "('ty' + 'pe')"}},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
result, err := ParseJSONPath(test.path)
if err != nil {
t.Errorf("Error on parseJsonPath(json, %s) as %s: %s", test.path, test.name, err.Error())
} else if !sliceEqual(result, test.expected) {
t.Errorf("Error on parseJsonPath(%s) as %s: path doesn't match\nExpected: %s\nActual: %s", test.path, test.name, sliceString(test.expected), sliceString(result))
}
})
}
}
// Test suites from cburgmer/json-path-comparison
func TestJSONPath_suite(t *testing.T) {
tests := []struct {
name string
input string
path string
expected []interface{}
wantErr bool
}{
{
name: "Bracket notation with double quotes",
input: `{"key": "value"}`,
path: `$["key"]`,
expected: []interface{}{"value"}, // ["value"]
},
{
name: "Filter expression with bracket notation",
input: `[{"key": 0}, {"key": 42}, {"key": -1}, {"key": 41}, {"key": 43}, {"key": 42.0001}, {"key": 41.9999}, {"key": 100}, {"some": "value"}]`,
path: `$[?(@['key']==42)]`,
expected: []interface{}{map[string]interface{}{"key": float64(42)}}, // [{"key": 42}]
},
{
name: "Filter expression with equals string with dot literal",
input: `[{"key": "some"}, {"key": "value"}, {"key": "some.value"}]`,
path: `$[?(@.key=="some.value")]`,
expected: []interface{}{map[string]interface{}{"key": "some.value"}}, // [{"key": "some.value"}]
},
{
name: "Array slice with negative step only",
input: `["first", "second", "third", "forth", "fifth"]`,
path: `$[::-2]`,
expected: []interface{}{"fifth", "third", "first"}, // ["fifth", "third", "first"]
},
{
name: "Filter expression with bracket notation with -1",
input: `[[2, 3], ["a"], [0, 2], [2]]`,
path: `$[?(@[-1]==2)]`,
expected: []interface{}{[]interface{}{float64(0), float64(2)}, []interface{}{float64(2)}}, // [[0, 2], [2]]
},
{
name: "Filter expression with bracket notation with number",
input: `[["a", "b"], ["x", "y"]]`,
path: `$[?(@[1]=='b')]`,
expected: []interface{}{[]interface{}{"a", "b"}}, // [["a", "b"]]
},
{
name: "Filter expression with equals string with current object literal",
input: `[{"key": "some"}, {"key": "value"}, {"key": "[email protected]"}]`,
path: `$[?(@.key=="[email protected]")]`,
expected: []interface{}{map[string]interface{}{"key": "[email protected]"}}, // [{"key": "[email protected]"}]
},
// {
// name: "Filter expression with negation and equals",
// input: `[
// {"key": 0},
// {"key": 42},
// {"key": -1},
// {"key": 41},
// {"key": 43},
// {"key": 42.0001},
// {"key": 41.9999},
// {"key": 100},
// {"key": "43"},
// {"key": "42"},
// {"key": "41"},
// {"key": "value"},
// {"some": "value"}
// ]`,
// path: `$[?(!(@.key==42))]`,
// expected: []interface{}{
// map[string]interface{}{"key": float64(0)},
// map[string]interface{}{"key": float64(-1)},
// map[string]interface{}{"key": float64(41)},
// map[string]interface{}{"key": float64(43)},
// map[string]interface{}{"key": float64(42.0001)},
// map[string]interface{}{"key": float64(41.9999)},
// map[string]interface{}{"key": float64(100)},
// map[string]interface{}{"key": "43"},
// map[string]interface{}{"key": "42"},
// map[string]interface{}{"key": "41"},
// map[string]interface{}{"key": "value"},
// map[string]interface{}{"some": "value"},
// },
// },
{
name: "Filter expression with bracket notation with number on object",
input: `{"1": ["a", "b"], "2": ["x", "y"]}`,
path: `$[?(@[1]=='b')]`,
expected: []interface{}{[]interface{}{"a", "b"}}, // [["a", "b"]]
},
// {
// name: "Dot notation with single quotes and dot",
// input: `{"some.key": 42, "some": {"key": "value"}}`,
// path: `$.'some.key'`,
// expected: []interface{}{float64(42)}, // [42]
// },
{
name: "Array slice with step 0",
input: `["first", "second", "third", "forth", "fifth"]`,
path: `$[0:3:0]`,
wantErr: true,
},
{
name: "$[2:1]",
input: `["first", "second", "third", "forth"]`,
path: `$[2:1]`,
expected: []interface{}{}, // []
},
{
name: "$[-4:]",
input: `["first", "second", "third"]`,
path: `$[-4:]`,
expected: []interface{}{"first", "second", "third"}, // ["first", "second", "third"]
},
{
name: "$[']']",
input: `{"]": 42}`,
path: `$[']']`,
expected: []interface{}{float64(42)}, // [42]
},
{
name: `$['"']`,
input: `{"\"": "value", "another": "entry"}`,
path: `$['"']`,
expected: []interface{}{"value"}, // ["value"]
},
{
name: "$[2:113667776004]",
input: `["first", "second", "third", "forth", "fifth"]`,
path: `$[2:113667776004]`,
expected: []interface{}{"third", "forth", "fifth"}, // ["third", "forth", "fifth"]
},
{
name: "$[2:-113667776004:-1]",
input: `["first", "second", "third", "forth", "fifth"]`,
path: `$[2:-113667776004:-1]`,
expected: []interface{}{"third", "second", "first"}, // ["third", "second", "first"]
},
{
name: "$[-113667776004:2]",
input: `["first", "second", "third", "forth", "fifth"]`,
path: `$[-113667776004:2]`,
expected: []interface{}{"first", "second"}, // ["first", "second"]
},
{
name: "$[113667776004:2:-1]",
input: `["first", "second", "third", "forth", "fifth"]`,
path: `$[113667776004:2:-1]`,
expected: []interface{}{"fifth", "forth"}, // ["fifth", "forth"]
},
{
name: "$.length",
input: `[4, 5, 6]`,
path: `$.length`,
expected: []interface{}{float64(3)}, // [3]
},
{
name: "$[?()]",
input: `[1, {"key": 42}, "value", null]`,
path: `$[?()]`,
wantErr: true,
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
nodes, err := JSONPath([]byte(test.input), test.path)
if (err != nil) != test.wantErr {
t.Errorf("JSONPath() error = %v, wantErr %v. got = %v", err, test.wantErr, nodes)
return
}
if test.wantErr {
return
}
results := make([]interface{}, 0)
for _, node := range nodes {
value, err := node.Unpack()
if err != nil {
t.Errorf("node.Unpack(): unexpected error: %v", err)
return
}
results = append(results, value)
}
if !reflect.DeepEqual(results, test.expected) {
t.Errorf("JSONPath(): wrong result:\nExpected: %#+v\nActual: %#+v", test.expected, results)
}
})
}
}
func ExampleJSONPath() {
json := []byte(`{ "store": {
"book": [
{ "category": "reference",
"author": "Nigel Rees",
"title": "Sayings of the Century",
"price": 8.95
},
{ "category": "fiction",
"author": "Evelyn Waugh",
"title": "Sword of Honour",
"price": 12.99
},
{ "category": "fiction",
"author": "Herman Melville",
"title": "Moby Dick",
"isbn": "0-553-21311-3",
"price": 8.99
},
{ "category": "fiction",
"author": "J. R. R. Tolkien",
"title": "The Lord of the Rings",
"isbn": "0-395-19395-8",
"price": 22.99
}
],
"bicycle": {
"color": "red",
"price": 19.95
}
}
}`)
authors, err := JSONPath(json, "$.store.book[*].author")
if err != nil {
panic(err)
}
for _, author := range authors {
fmt.Println(author.MustString())
}
// Output:
// Nigel Rees
// Evelyn Waugh
// Herman Melville
// J. R. R. Tolkien
}
func ExampleJSONPath_array() {
json := []byte(`{ "store": {
"book": [
{ "category": "reference",
"author": "Nigel Rees",
"title": "Sayings of the Century",
"price": 8.95
},
{ "category": "fiction",
"author": "Evelyn Waugh",
"title": "Sword of Honour",
"price": 12.99
},
{ "category": "fiction",
"author": "Herman Melville",
"title": "Moby Dick",
"isbn": "0-553-21311-3",
"price": 8.99
},
{ "category": "fiction",
"author": "J. R. R. Tolkien",
"title": "The Lord of the Rings",
"isbn": "0-395-19395-8",
"price": 22.99
}
],
"bicycle": {
"color": "red",
"price": 19.95
}
}
}`)
authors, err := JSONPath(json, "$.store.book[*].author")
if err != nil {
panic(err)
}
result, err := Marshal(ArrayNode("", authors))
if err != nil {
panic(err)
}
fmt.Println(string(result))
// Output:
// ["Nigel Rees","Evelyn Waugh","Herman Melville","J. R. R. Tolkien"]
}
func ExampleEval() {
json := []byte(`{ "store": {
"book": [
{ "category": "reference",
"author": "Nigel Rees",
"title": "Sayings of the Century",
"price": 8.95
},
{ "category": "fiction",
"author": "Evelyn Waugh",
"title": "Sword of Honour",
"price": 12.99
},
{ "category": "fiction",
"author": "Herman Melville",
"title": "Moby Dick",
"isbn": "0-553-21311-3",
"price": 8.99
},
{ "category": "fiction",
"author": "J. R. R. Tolkien",
"title": "The Lord of the Rings",
"isbn": "0-395-19395-8",
"price": 22.99
}
],
"bicycle": [
{
"color": "red",
"price": 19.95
}
]
}
}`)
root, err := Unmarshal(json)
if err != nil {
panic(err)
}
result, err := Eval(root, "avg($..price)")
if err != nil {
panic(err)
}
fmt.Print(result.MustNumeric())
// Output:
// 14.774000000000001
}
func TestEval(t *testing.T) {
json := []byte(`{ "store": {
"book": [
{ "category": "reference",
"author": "Nigel Rees",
"title": "Sayings of the Century",
"price": 8.95
},
{ "category": "fiction",
"author": "Evelyn Waugh",
"title": "Sword of Honour",
"price": 12.99
},
{ "category": "fiction",
"author": "Herman Melville",
"title": "Moby Dick",
"isbn": "0-553-21311-3",
"price": 8.99
},
{ "category": "fiction",
"author": "J. R. R. Tolkien",
"title": "The Lord of the Rings",
"isbn": "0-395-19395-8",
"price": 22.99
}
],
"bicycle": [
{
"color": "red",
"price": 19.95
}
]
}
}`)
tests := []struct {
name string
root *Node
eval string
expected *Node
wantErr bool
}{
{
name: "avg($..price)",
root: Must(Unmarshal(json)),
eval: "avg($..price)",
expected: NumericNode("", 14.774000000000001),
wantErr: false,
},
{
name: "avg($..price)",
root: Must(Unmarshal(json)),
eval: "avg()",
expected: nil,
wantErr: true,
},
{
name: "avg($..price)",
root: Must(Unmarshal(json)),
eval: "($..price+)",
expected: nil,
wantErr: true,
},
{
name: "round(avg($..price)+pi)",
root: Must(Unmarshal(json)),
eval: "round(avg($..price)+pi)",
expected: NumericNode("", 18),
wantErr: false,
},
{
name: "nil",
root: nil,
eval: "round(avg($..price)+pi)",
expected: nil,
wantErr: false,
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
result, err := Eval(test.root, test.eval)
if (err != nil) != test.wantErr {
t.Errorf("Eval() error = %v, wantErr %v. got = %v", err, test.wantErr, result)
return
}
if test.wantErr {
return
}
if test.expected != nil && result == nil {
t.Errorf("Eval() result in nil")
return
}
if test.expected == nil && result == nil {
return
}
if ok, err := result.Eq(test.expected); !ok {
t.Errorf("result.Eq(): wrong result:\nExpected: %#+v\nActual: %#+v", test.expected, result.value.Load())
} else if err != nil {
t.Errorf("result.Eq() error = %v", err)
}
})
}
}
func BenchmarkJSONPath_all_prices(b *testing.B) {
var err error
for i := 0; i < b.N; i++ {
_, err = JSONPath(jsonPathTestData, "$.store..price")
if err != nil {
b.Error()
}
}
}
// https://github.com/cburgmer/json-path-comparison/blob/master/regression_suite/regression_suite.yaml
func TestJSONPath_comparison_consensus(t *testing.T) {
tests := []struct {
name string
selector string
document string
consensus string
}{
{
name: `array_slice`,
selector: `$[1:3]`,
document: `["first", "second", "third", "forth", "fifth"]`,
consensus: `["second", "third"]`,
},
{
name: `array_slice_on_exact_match`,
selector: `$[0:5]`,
document: `["first", "second", "third", "forth", "fifth"]`,
consensus: `["first", "second", "third", "forth", "fifth"]`,
},
{
name: `array_slice_on_non_overlapping_array`,
selector: `$[7:10]`,
document: `["first", "second", "third"]`,
consensus: `[]`,
},
{
name: `array_slice_on_object`,
selector: `$[1:3]`,
document: `{":": 42, "more": "string", "a": 1, "b": 2, "c": 3}`,
consensus: `[]`,
},
{
name: `array_slice_on_partially_overlapping_array`,
selector: `$[1:10]`,
document: `["first", "second", "third"]`,
consensus: `["second", "third"]`,
},
{
name: `array_slice_with_open_end`,
selector: `$[1:]`,
document: `["first", "second", "third", "forth", "fifth"]`,
consensus: `["second", "third", "forth", "fifth"]`,
},
{
name: `array_slice_with_open_start`,
selector: `$[:2]`,
document: `["first", "second", "third", "forth", "fifth"]`,
consensus: `["first", "second"]`,
},
{
name: `array_slice_with_open_start_and_end`,
selector: `$[:]`,
document: `["first", "second"]`,
consensus: `["first", "second"]`,
},
{
name: `array_slice_with_open_start_and_end_and_step_empty`,
selector: `$[::]`,
document: `["first", "second"]`,
consensus: `["first", "second"]`,
},
{
name: `array_slice_with_range_of_-1`,
selector: `$[2:1]`,
document: `["first", "second", "third", "forth"]`,
consensus: `[]`,
},
{
name: `array_slice_with_range_of_0`,
selector: `$[0:0]`,
document: `["first", "second"]`,
consensus: `[]`,
},
{
name: `array_slice_with_range_of_1`,
selector: `$[0:1]`,
document: `["first", "second"]`,
consensus: `["first"]`,
},
{
name: `array_slice_with_start_-1_and_open_end`,
selector: `$[-1:]`,
document: `["first", "second", "third"]`,
consensus: `["third"]`,
},
{
name: `array_slice_with_start_-2_and_open_end`,
selector: `$[-2:]`,
document: `["first", "second", "third"]`,
consensus: `["second", "third"]`,
},
{
name: `array_slice_with_start_large_negative_number_and_open_end_on_short_array`,
selector: `$[-4:]`,
document: `["first", "second", "third"]`,
consensus: `["first", "second", "third"]`,
},
{
name: `array_slice_with_step`,
selector: `$[0:3:2]`,
document: `["first", "second", "third", "forth", "fifth"]`,
consensus: `["first", "third"]`,
},
{
name: `array_slice_with_step_1`,
selector: `$[0:3:1]`,
document: `["first", "second", "third", "forth", "fifth"]`,
consensus: `["first", "second", "third"]`,
},
{
name: `array_slice_with_step_and_leading_zeros`,
selector: `$[010:024:010]`,
document: `[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25]`,
consensus: `[10, 20]`,
},
{
name: `array_slice_with_step_but_end_not_aligned`,
selector: `$[0:4:2]`,
document: `["first", "second", "third", "forth", "fifth"]`,
consensus: `["first", "third"]`,
},
{
name: `array_slice_with_step_empty`,
selector: `$[1:3:]`,
document: `["first", "second", "third", "forth", "fifth"]`,
consensus: `["second", "third"]`,
},
{
name: `array_slice_with_step_only`,
selector: `$[::2]`,
document: `["first", "second", "third", "forth", "fifth"]`,
consensus: `["first", "third", "fifth"]`,
},
{
name: `bracket_notation`,
selector: `$['key']`,
document: `{"key": "value"}`,
consensus: `["value"]`,
},
{
name: `bracket_notation_after_recursive_descent`,
selector: `$..[0]`,
document: `["first", {"key": ["first nested", {"more": [{"nested": ["deepest", "second"]}, ["more", "values"]]}]}]`,
consensus: `["first", "first nested", {"nested": ["deepest", "second"]}, "more", "deepest"]`,
// consensus: `["deepest", "first nested", "first", "more", {"nested": ["deepest", "second"]}]`,
},
{
name: `bracket_notation_with_dot`,
selector: `$['two.some']`,
document: `{"one": {"key": "value"}, "two": {"some": "more", "key": "other value"}, "two.some": "42"}`,
consensus: `["42"]`,
},
{
name: `bracket_notation_with_double_quotes`,
selector: `$["key"]`,
document: `{"key": "value"}`,
consensus: `["value"]`,
},
{
name: `bracket_notation_with_empty_string`,
selector: `$['']`,
document: `{"": 42, "''": 123, "\"\"": 222}`,
consensus: `[42]`,
},
{
name: `bracket_notation_with_number`,
selector: `$[2]`,
document: `["first", "second", "third", "forth", "fifth"]`,
consensus: `["third"]`,
},
{
name: `bracket_notation_with_number_-1`,
selector: `$[-1]`,
document: `["first", "second", "third"]`,
consensus: `["third"]`,
},
{
name: `bracket_notation_with_number_0`,
selector: `$[0]`,
document: `["first", "second", "third", "forth", "fifth"]`,
consensus: `["first"]`,
},
{
name: `bracket_notation_with_number_after_dot_notation_with_wildcard_on_nested_arrays_with_different_length`,
selector: `$.*[1]`,
document: `[[1], [2, 3]]`,
consensus: `[3]`,
},
{
name: `bracket_notation_with_quoted_array_slice_literal`,
selector: `$[':']`,
document: `{":": "value", "another": "entry"}`,
consensus: `["value"]`,
},
{
name: `bracket_notation_with_quoted_closing_bracket_literal`,
selector: `$[']']`,
document: `{"]": 42}`,
consensus: `[42]`,
},
{
name: `bracket_notation_with_quoted_current_object_literal`,
selector: `$['@']`,
document: `{"@": "value", "another": "entry"}`,
consensus: `["value"]`,
},
{
name: `bracket_notation_with_quoted_dot_literal`,
selector: `$['.']`,
document: `{".": "value", "another": "entry"}`,
consensus: `["value"]`,
},
{
name: `bracket_notation_with_quoted_dot_wildcard`,
selector: `$['.*']`,
document: `{"key": 42, ".*": 1, "": 10}`,
consensus: `[1]`,
},
{
name: `bracket_notation_with_quoted_double_quote_literal`,
selector: `$['"']`,
document: `{"\"": "value", "another": "entry"}`,
consensus: `["value"]`,
},
{
name: `bracket_notation_with_quoted_number_on_object`,
selector: `$['0']`,
document: `{"0": "value"}`,
consensus: `["value"]`,
},
{
name: `bracket_notation_with_quoted_root_literal`,
selector: `$['$']`,
document: `{"$": "value", "another": "entry"}`,
consensus: `["value"]`,
},
{
name: `bracket_notation_with_quoted_union_literal`,
selector: `$[',']`,
document: `{",": "value", "another": "entry"}`,
consensus: `["value"]`,
},
{
name: `bracket_notation_with_quoted_wildcard_literal`,
selector: `$['*']`,
document: `{"*": "value", "another": "entry"}`,
consensus: `["value"]`,
},
{
name: `bracket_notation_with_string_including_dot_wildcard`,
selector: `$['ni.*']`,
document: `{"nice": 42, "ni.*": 1, "mice": 100}`,
consensus: `[1]`,
},
{
name: `bracket_notation_with_wildcard_after_array_slice`,
selector: `$[0:2][*]`,
document: `[[1, 2], ["a", "b"], [0, 0]]`,
consensus: `[1, 2, "a", "b"]`,
},
{
name: `bracket_notation_with_wildcard_after_dot_notation_after_bracket_notation_with_wildcard`,
selector: `$[*].bar[*]`,
document: `[{"bar": [42]}]`,