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|
package jsonpath
import (
"bytes"
"fmt"
"reflect"
"testing"
)
var decoderSkipTests = []struct {
in string
path []interface{}
match bool
err error
out interface{}
}{
{in: `{}`, path: []interface{}{"a", "b2"}, match: false, err: nil},
{in: `{"a":{"b":{"c":14}}}`, path: []interface{}{"a"}, match: true, out: map[string]interface{}{"b": map[string]interface{}{"c": float64(14)}}, err: nil},
{in: `{"a":{"b":{"c":14}}}`, path: []interface{}{"a", "b"}, match: true, out: map[string]interface{}{"c": float64(14)}, err: nil},
{in: `{"a":{"b":{"c":14}}}`, path: []interface{}{"a", "b", "c"}, match: true, out: float64(14), err: nil},
{in: `{"a":{"d":{"b":{"c":3}}, "b":{"c":14}}}`, path: []interface{}{"a", "b", "c"}, match: true, out: float64(14), err: nil},
{in: `{"a":{"b":{"c":14},"b2":3}}`, path: []interface{}{"a", "b2"}, match: true, out: float64(3), err: nil},
{in: `[]`, path: []interface{}{2}, match: false, err: nil},
{in: `[0,1]`, path: []interface{}{0}, match: true, out: float64(0), err: nil},
{in: `[0,1,2]`, path: []interface{}{2}, match: true, out: float64(2), err: nil},
{in: `[0,1 , 2]`, path: []interface{}{2}, match: true, out: float64(2), err: nil},
{in: `[0,{"b":1},2]`, path: []interface{}{1}, match: true, out: map[string]interface{}{"b": float64(1)}, err: nil},
{in: `[1,{"b":1},2]`, path: []interface{}{2}, match: true, out: float64(2), err: nil},
{in: `[1,{"b":[1]},2]`, path: []interface{}{2}, match: true, out: float64(2), err: nil},
{in: `[1,[{"b":[1]},3],2]`, path: []interface{}{2}, match: true, out: float64(2), err: nil},
{in: `[1,[{"b":[1]},3],4]`, path: []interface{}{1, 1}, match: true, out: float64(3), err: nil},
{in: `[1,[{"b":[1]},3],2]`, path: []interface{}{1, 0, "b", 0}, match: true, out: float64(1), err: nil},
{in: `[1,[{"b":[1]},3],5]`, path: []interface{}{2}, match: true, out: float64(5), err: nil},
{in: `{"b":[{"a":0},{"a":1}]}`, path: []interface{}{"b", 0, "a"}, match: true, out: float64(0), err: nil},
{in: `{"b":[{"a":0},{"a":1}]}`, path: []interface{}{"b", 1, "a"}, match: true, out: float64(1), err: nil},
{in: `{"a":"b","b":"z","z":"s"}`, path: []interface{}{"b"}, match: true, out: "z", err: nil},
{in: `{"a":"b","b":"z","l":0,"z":"s"}`, path: []interface{}{"z"}, match: true, out: "s", err: nil},
}
func TestDecoderSeekTo(t *testing.T) {
var testDesc string
var v interface{}
var match bool
var err error
for ti, tst := range decoderSkipTests {
w := NewDecoder(bytes.NewBuffer([]byte(tst.in)))
testDesc = fmt.Sprintf("#%v '%s'", ti, tst.in)
match, err = w.SeekTo(tst.path...)
if match != tst.match {
t.Errorf("#%v expected match=%v was match=%v : %v", ti, tst.match, match, testDesc)
}
if !reflect.DeepEqual(err, tst.err) {
t.Errorf("#%v unexpected error: '%v' expecting '%v' : %v", ti, err, tst.err, testDesc)
}
if match {
if err = w.Decode(&v); err != nil {
t.Errorf("#%v decode: error: '%v' : %v", ti, err, testDesc)
}
if !reflect.DeepEqual(v, tst.out) {
t.Errorf("#%v decode: expected %#v, was %#v : %v", ti, tst.out, v, testDesc)
}
}
}
}
func TestDecoderMoveMultiple(t *testing.T) {
j := []byte(`
{
"foo": 1,
"bar": 2,
"test": "Hello, world!",
"baz": 123.1,
"array": [
{"foo": 1},
{"bar": 2},
{"baz": 3}
],
"subobj": {
"foo": 1,
"subarray": [1,2,3],
"subsubobj": {
"bar": 2,
"baz": 3,
"array": ["hello", "world"]
}
},
"bool": true
}`)
tests := [][]struct {
path []interface{}
out interface{}
match bool
}{
{ // Every Element
{path: []interface{}{"foo"}, match: true, out: float64(1)},
{path: []interface{}{"bar"}, match: true, out: float64(2)},
{path: []interface{}{"test"}, match: true, out: "Hello, world!"},
{path: []interface{}{"baz"}, match: true, out: float64(123.1)},
{path: []interface{}{"array", 0, "foo"}, match: true, out: float64(1)},
{path: []interface{}{"array", 1, "bar"}, match: true, out: float64(2)},
{path: []interface{}{"array", 2, "baz"}, match: true, out: float64(3)},
{path: []interface{}{"subobj", "foo"}, match: true, out: float64(1)},
{path: []interface{}{"subobj", "subarray", 0}, match: true, out: float64(1)},
{path: []interface{}{"subobj", "subarray", 1}, match: true, out: float64(2)},
{path: []interface{}{"subobj", "subarray", 2}, match: true, out: float64(3)},
{path: []interface{}{"subobj", "subsubobj", "bar"}, match: true, out: float64(2)},
{path: []interface{}{"subobj", "subsubobj", "baz"}, match: true, out: float64(3)},
{path: []interface{}{"subobj", "subsubobj", "array", 0}, match: true, out: "hello"},
{path: []interface{}{"subobj", "subsubobj", "array", 1}, match: true, out: "world"},
{path: []interface{}{"bool"}, match: true, out: true},
},
{ // Deep, then shallow
{path: []interface{}{"subobj", "subsubobj", "array", 0}, match: true, out: "hello"},
{path: []interface{}{"bool"}, match: true, out: true},
},
{ // Complex, then shallow
{path: []interface{}{"array"}, match: true, out: []interface{}{map[string]interface{}{"foo": float64(1)}, map[string]interface{}{"bar": float64(2)}, map[string]interface{}{"baz": float64(3)}}},
{path: []interface{}{"subobj", "subsubobj"}, match: true, out: map[string]interface{}{"bar": float64(2), "baz": float64(3), "array": []interface{}{"hello", "world"}}},
{path: []interface{}{"bool"}, match: true, out: true},
},
{
{path: []interface{}{"foo"}, match: true, out: float64(1)},
{path: []interface{}{"test"}, match: true, out: "Hello, world!"},
{path: []interface{}{"array", 1, "bar"}, match: true, out: float64(2)},
{path: []interface{}{"subobj", "subarray", 1}, match: true, out: float64(2)},
{path: []interface{}{"subobj", "subarray", 2}, match: true, out: float64(3)},
{path: []interface{}{"subobj", "subsubobj", "array", 1}, match: true, out: "world"},
},
}
for _, tst := range tests {
w := NewDecoder(bytes.NewBuffer(j))
var err error
var v interface{}
var m bool
for i, step := range tst {
m, err = w.SeekTo(step.path...)
if m != step.match {
t.Errorf("@%v expected match=%v, but was match=%v", i, step.match, m)
}
if err != nil {
t.Errorf("unexpected error: %v", err)
}
err = w.Decode(&v)
if err != nil {
t.Errorf("unexpected error: %v", err)
}
if !reflect.DeepEqual(v, step.out) {
t.Errorf("expected %v but was %v", step.out, v)
}
}
}
}
|
