mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-11-30 09:33:36 +00:00
336 lines
10 KiB
Go
336 lines
10 KiB
Go
package jsonpath
|
|
|
|
import (
|
|
"bytes"
|
|
"math"
|
|
"strconv"
|
|
"strings"
|
|
"testing"
|
|
|
|
json "github.com/nspcc-dev/go-ordered-json"
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
type pathTestCase struct {
|
|
path string
|
|
result string
|
|
}
|
|
|
|
func unmarshalGet(t *testing.T, js string, path string) ([]interface{}, bool) {
|
|
var v interface{}
|
|
buf := bytes.NewBuffer([]byte(js))
|
|
d := json.NewDecoder(buf)
|
|
d.UseOrderedObject()
|
|
require.NoError(t, d.Decode(&v))
|
|
return Get(path, v)
|
|
}
|
|
|
|
func (p *pathTestCase) testUnmarshalGet(t *testing.T, js string) {
|
|
res, ok := unmarshalGet(t, js, p.path)
|
|
require.True(t, ok)
|
|
|
|
data, err := json.Marshal(res)
|
|
require.NoError(t, err)
|
|
require.JSONEq(t, p.result, string(data))
|
|
}
|
|
|
|
func TestInvalidPaths(t *testing.T) {
|
|
bigNum := strconv.FormatInt(int64(math.MaxInt32)+1, 10)
|
|
|
|
// errCases contains invalid json path expressions.
|
|
// These are either invalid(&) or unexpected token in some positions
|
|
// or big number/invalid string.
|
|
errCases := []string{
|
|
".",
|
|
"$1",
|
|
"&",
|
|
"$&",
|
|
"$.&",
|
|
"$.[0]",
|
|
"$..",
|
|
"$..*",
|
|
"$..&",
|
|
"$..1",
|
|
"$[&]",
|
|
"$[**]",
|
|
"$[1&]",
|
|
"$[" + bigNum + "]",
|
|
"$[" + bigNum + ":]",
|
|
"$[:" + bigNum + "]",
|
|
"$[1," + bigNum + "]",
|
|
"$[" + bigNum + "[]]",
|
|
"$['a'&]",
|
|
"$['a'1]",
|
|
"$['a",
|
|
"$['\\u123']",
|
|
"$['s','\\u123']",
|
|
"$[[]]",
|
|
"$[1,'a']",
|
|
"$[1,1&",
|
|
"$[1,1[]]",
|
|
"$[1:&]",
|
|
"$[1:1[]]",
|
|
"$[1:[]]",
|
|
"$[1:[]]",
|
|
"$[",
|
|
}
|
|
|
|
for _, tc := range errCases {
|
|
t.Run(tc, func(t *testing.T) {
|
|
_, ok := unmarshalGet(t, "{}", tc)
|
|
require.False(t, ok)
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestDescendByIdent(t *testing.T) {
|
|
js := `{
|
|
"store": {
|
|
"name": "big",
|
|
"sub": [
|
|
{ "name": "sub1" },
|
|
{ "name": "sub2" }
|
|
],
|
|
"partner": { "name": "ppp" }
|
|
},
|
|
"another": { "name": "small" }
|
|
}`
|
|
|
|
testCases := []pathTestCase{
|
|
{"$.store.name", `["big"]`},
|
|
{"$['store']['name']", `["big"]`},
|
|
{"$[*].name", `["big","small"]`},
|
|
{"$.*.name", `["big","small"]`},
|
|
{"$..store.name", `["big"]`},
|
|
{"$.store..name", `["big","ppp","sub1","sub2"]`},
|
|
{"$..sub.name", `[]`},
|
|
{"$..sub..name", `["sub1","sub2"]`},
|
|
}
|
|
for _, tc := range testCases {
|
|
t.Run(tc.path, func(t *testing.T) {
|
|
tc.testUnmarshalGet(t, js)
|
|
})
|
|
}
|
|
|
|
t.Run("big depth", func(t *testing.T) {
|
|
js := `{"a":{"b":{"c":{"d":{"e":{"f":{"g":1}}}}}}}`
|
|
t.Run("single field", func(t *testing.T) {
|
|
t.Run("max", func(t *testing.T) {
|
|
p := pathTestCase{"$.a.b.c.d.e.f", `[{"g":1}]`}
|
|
p.testUnmarshalGet(t, js)
|
|
})
|
|
|
|
_, ok := unmarshalGet(t, js, "$.a.b.c.d.e.f.g")
|
|
require.False(t, ok)
|
|
})
|
|
t.Run("wildcard", func(t *testing.T) {
|
|
t.Run("max", func(t *testing.T) {
|
|
p := pathTestCase{"$.*.*.*.*.*.*", `[{"g":1}]`}
|
|
p.testUnmarshalGet(t, js)
|
|
})
|
|
|
|
_, ok := unmarshalGet(t, js, "$.*.*.*.*.*.*.*")
|
|
require.False(t, ok)
|
|
})
|
|
})
|
|
}
|
|
|
|
func TestDescendByIndex(t *testing.T) {
|
|
js := `["a","b","c","d"]`
|
|
|
|
testCases := []pathTestCase{
|
|
{"$[0]", `["a"]`},
|
|
{"$[3]", `["d"]`},
|
|
{"$[1:2]", `["b"]`},
|
|
{"$[1:-1]", `["b","c"]`},
|
|
{"$[-3:-1]", `["b","c"]`},
|
|
{"$[-3:3]", `["b","c"]`},
|
|
{"$[:3]", `["a","b","c"]`},
|
|
{"$[:100]", `["a","b","c","d"]`},
|
|
{"$[1:]", `["b","c","d"]`},
|
|
{"$[2:1]", `[]`},
|
|
}
|
|
|
|
for _, tc := range testCases {
|
|
t.Run(tc.path, func(t *testing.T) {
|
|
tc.testUnmarshalGet(t, js)
|
|
})
|
|
}
|
|
|
|
t.Run("big depth", func(t *testing.T) {
|
|
js := `[[[[[[[1]]]]]]]`
|
|
t.Run("single index", func(t *testing.T) {
|
|
t.Run("max", func(t *testing.T) {
|
|
p := pathTestCase{"$[0][0][0][0][0][0]", "[[1]]"}
|
|
p.testUnmarshalGet(t, js)
|
|
})
|
|
|
|
_, ok := unmarshalGet(t, js, "$[0][0][0][0][0][0][0]")
|
|
require.False(t, ok)
|
|
})
|
|
t.Run("slice", func(t *testing.T) {
|
|
t.Run("max", func(t *testing.T) {
|
|
p := pathTestCase{"$[0:][0:][0:][0:][0:][0:]", "[[1]]"}
|
|
p.testUnmarshalGet(t, js)
|
|
})
|
|
|
|
_, ok := unmarshalGet(t, js, "$[0:][0:][0:][0:][0:][0:][0:]")
|
|
require.False(t, ok)
|
|
})
|
|
})
|
|
|
|
t.Run("$[:][1], skip wrong types", func(t *testing.T) {
|
|
js := `[[1,2],{"1":"4"},[5,6]]`
|
|
p := pathTestCase{"$[:][1]", "[2,6]"}
|
|
p.testUnmarshalGet(t, js)
|
|
})
|
|
|
|
t.Run("$[*].*, flatten", func(t *testing.T) {
|
|
js := `[[1,2],{"1":"4"},[5,6]]`
|
|
p := pathTestCase{"$[*].*", "[1,2,\"4\",5,6]"}
|
|
p.testUnmarshalGet(t, js)
|
|
})
|
|
|
|
t.Run("$[*].[1:], skip wrong types", func(t *testing.T) {
|
|
js := `[[1,2],3,{"1":"4"},[5,6]]`
|
|
p := pathTestCase{"$[*][1:]", "[2,6]"}
|
|
p.testUnmarshalGet(t, js)
|
|
})
|
|
}
|
|
|
|
func TestUnion(t *testing.T) {
|
|
js := `["a",{"x":1,"y":2,"z":3},"c","d"]`
|
|
|
|
testCases := []pathTestCase{
|
|
{"$[0,2]", `["a","c"]`},
|
|
{"$[1]['x','z']", `[1,3]`},
|
|
}
|
|
|
|
for _, tc := range testCases {
|
|
t.Run(tc.path, func(t *testing.T) {
|
|
tc.testUnmarshalGet(t, js)
|
|
})
|
|
}
|
|
|
|
t.Run("big amount of intermediate objects", func(t *testing.T) {
|
|
// We want to fail as early as possible, this test covers all possible
|
|
// places where an overflow could first occur. The idea is that first steps
|
|
// construct intermediate array of 1000 < 1024, and the last step multiplies
|
|
// this amount by 2.
|
|
construct := func(width int, index string) string {
|
|
return "[" + strings.Repeat(index+",", width-1) + index + "]"
|
|
}
|
|
|
|
t.Run("index, array", func(t *testing.T) {
|
|
jp := "$" + strings.Repeat(construct(10, "0"), 4)
|
|
_, ok := unmarshalGet(t, "[[[[{}]]]]", jp)
|
|
require.False(t, ok)
|
|
})
|
|
|
|
t.Run("asterisk, array", func(t *testing.T) {
|
|
jp := "$" + strings.Repeat(construct(10, `0`), 3) + ".*"
|
|
_, ok := unmarshalGet(t, `[[[[{},{}]]]]`, jp)
|
|
require.False(t, ok)
|
|
})
|
|
|
|
t.Run("range", func(t *testing.T) {
|
|
jp := "$" + strings.Repeat(construct(10, `0`), 3) + "[0:2]"
|
|
_, ok := unmarshalGet(t, `[[[[{},{}]]]]`, jp)
|
|
require.False(t, ok)
|
|
})
|
|
|
|
t.Run("recursive descent", func(t *testing.T) {
|
|
jp := "$" + strings.Repeat(construct(10, `0`), 3) + "..a"
|
|
_, ok := unmarshalGet(t, `[[[{"a":{"a":{}}}]]]`, jp)
|
|
require.False(t, ok)
|
|
})
|
|
|
|
t.Run("string union", func(t *testing.T) {
|
|
jp := "$" + strings.Repeat(construct(10, `0`), 3) + "['x','y']"
|
|
_, ok := unmarshalGet(t, `[[[{"x":{},"y":{}}]]]`, jp)
|
|
require.False(t, ok)
|
|
})
|
|
|
|
t.Run("index, map", func(t *testing.T) {
|
|
jp := "$" + strings.Repeat(construct(10, `"a"`), 4)
|
|
_, ok := unmarshalGet(t, `{"a":{"a":{"a":{"a":{}}}}}`, jp)
|
|
require.False(t, ok)
|
|
})
|
|
|
|
t.Run("asterisk, map", func(t *testing.T) {
|
|
jp := "$" + strings.Repeat(construct(10, `'a'`), 3) + ".*"
|
|
_, ok := unmarshalGet(t, `{"a":{"a":{"a":{"x":{},"y":{}}}}}`, jp)
|
|
require.False(t, ok)
|
|
})
|
|
})
|
|
}
|
|
|
|
// These tests are taken directly from C# code.
|
|
func TestCSharpCompat(t *testing.T) {
|
|
js := `{
|
|
"store": {
|
|
"book": [
|
|
{
|
|
"category": "reference",
|
|
"author": "Nigel Rees",
|
|
"title": "Sayings of the Century",
|
|
"price": 8.95
|
|
},
|
|
{
|
|
"category": "fiction",
|
|
"author": "Evelyn Waugh",
|
|
"title": "Sword of Honour",
|
|
"price": 12.99
|
|
},
|
|
{
|
|
"category": "fiction",
|
|
"author": "Herman Melville",
|
|
"title": "Moby Dick",
|
|
"isbn": "0-553-21311-3",
|
|
"price": 8.99
|
|
},
|
|
{
|
|
"category": "fiction",
|
|
"author": "J. R. R. Tolkien",
|
|
"title": "The Lord of the Rings",
|
|
"isbn": "0-395-19395-8",
|
|
"price": null
|
|
}
|
|
],
|
|
"bicycle": {
|
|
"color": "red",
|
|
"price": 19.95
|
|
}
|
|
},
|
|
"expensive": 10,
|
|
"data": null
|
|
}`
|
|
|
|
testCases := []pathTestCase{
|
|
{"$.store.book[*].author", `["Nigel Rees","Evelyn Waugh","Herman Melville","J. R. R. Tolkien"]`},
|
|
{"$..author", `["Nigel Rees","Evelyn Waugh","Herman Melville","J. R. R. Tolkien"]`},
|
|
{"$.store.*", `[[{"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":null}],{"color":"red","price":19.95}]`},
|
|
{"$.store..price", `[19.95,8.95,12.99,8.99,null]`},
|
|
{"$..book[2]", `[{"category":"fiction","author":"Herman Melville","title":"Moby Dick","isbn":"0-553-21311-3","price":8.99}]`},
|
|
{"$..book[-2]", `[{"category":"fiction","author":"Herman Melville","title":"Moby Dick","isbn":"0-553-21311-3","price":8.99}]`},
|
|
{"$..book[0,1]", `[{"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}]`},
|
|
{"$..book[:2]", `[{"category":"reference","author":"Nigel Rees","title":"Sayings of the Century","price":8.95},{"category":"fiction","author":"Evelyn Waugh","title":"Sword of Honour","price":12.99}]`},
|
|
{"$..book[1:2]", `[{"category":"fiction","author":"Evelyn Waugh","title":"Sword of Honour","price":12.99}]`},
|
|
{"$..book[-2:]", `[{"category":"fiction","author":"Herman Melville","title":"Moby Dick","isbn":"0-553-21311-3","price":8.99},{"category":"fiction","author":"J. R. R. Tolkien","title":"The Lord of the Rings","isbn":"0-395-19395-8","price":null}]`},
|
|
{"$..book[2:]", `[{"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":null}]`},
|
|
{"", `[{"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":null}],"bicycle":{"color":"red","price":19.95}},"expensive":10,"data":null}]`},
|
|
{"$.*", `[{"book":[{"category":"reference","author":"Nigel Rees","title":"Sayings of the Century","price":8.95},{"category":"fiction","author":"Evelyn Waugh","title":"Sword of Honour","price":12.99},{"category":"fiction","author":"Herman Melville","title":"Moby Dick","isbn":"0-553-21311-3","price":8.99},{"category":"fiction","author":"J. R. R. Tolkien","title":"The Lord of the Rings","isbn":"0-395-19395-8","price":null}],"bicycle":{"color":"red","price":19.95}},10,null]`},
|
|
{"$..invalidfield", `[]`},
|
|
}
|
|
|
|
for _, tc := range testCases {
|
|
t.Run(tc.path, func(t *testing.T) {
|
|
tc.testUnmarshalGet(t, js)
|
|
})
|
|
}
|
|
|
|
t.Run("bad cases", func(t *testing.T) {
|
|
_, ok := unmarshalGet(t, js, `$..book[*].author"`)
|
|
require.False(t, ok)
|
|
})
|
|
}
|