89 lines
2 KiB
Go
89 lines
2 KiB
Go
|
/*
|
||
|
|
Copyright 2016 The Kubernetes Authors.
|
||
|
|
|
||
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
you may not use this file except in compliance with the License.
|
||
|
|
You may obtain a copy of the License at
|
||
|
|
|
||
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
|
||
|
|
Unless required by applicable law or agreed to in writing, software
|
||
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
See the License for the specific language governing permissions and
|
||
|
|
limitations under the License.
|
||
|
|
*/
|
||
|
|
|
||
|
|
package diff
|
||
|
|
|
||
|
|
import (
|
||
|
|
"testing"
|
||
|
|
)
|
||
|
|
|
||
|
|
func TestObjectReflectDiff(t *testing.T) {
|
||
|
|
type struct1 struct{ A []int }
|
||
|
|
|
||
|
|
testCases := map[string]struct {
|
||
|
|
a, b interface{}
|
||
|
|
out string
|
||
|
|
}{
|
||
|
|
"map": {
|
||
|
|
a: map[string]int{},
|
||
|
|
b: map[string]int{},
|
||
|
|
},
|
||
|
|
"detect nil map": {
|
||
|
|
a: map[string]int(nil),
|
||
|
|
b: map[string]int{},
|
||
|
|
out: `
|
||
|
|
object:
|
||
|
|
a: map[string]int(nil)
|
||
|
|
b: map[string]int{}`,
|
||
|
|
},
|
||
|
|
"detect map changes": {
|
||
|
|
a: map[string]int{"test": 1, "other": 2},
|
||
|
|
b: map[string]int{"test": 2, "third": 3},
|
||
|
|
out: `
|
||
|
|
object[other]:
|
||
|
|
a: 2
|
||
|
|
b: <nil>
|
||
|
|
object[test]:
|
||
|
|
a: 1
|
||
|
|
b: 2
|
||
|
|
object[third]:
|
||
|
|
a: <nil>
|
||
|
|
b: 3`,
|
||
|
|
},
|
||
|
|
"nil slice": {a: struct1{A: nil}, b: struct1{A: nil}},
|
||
|
|
"empty slice": {a: struct1{A: []int{}}, b: struct1{A: []int{}}},
|
||
|
|
"detect slice changes 1": {a: struct1{A: []int{1}}, b: struct1{A: []int{2}}, out: `
|
||
|
|
object.A[0]:
|
||
|
|
a: 1
|
||
|
|
b: 2`,
|
||
|
|
},
|
||
|
|
"detect slice changes 2": {a: struct1{A: []int{}}, b: struct1{A: []int{2}}, out: `
|
||
|
|
object.A[0]:
|
||
|
|
a: <nil>
|
||
|
|
b: 2`,
|
||
|
|
},
|
||
|
|
"detect slice changes 3": {a: struct1{A: []int{1}}, b: struct1{A: []int{}}, out: `
|
||
|
|
object.A[0]:
|
||
|
|
a: 1
|
||
|
|
b: <nil>`,
|
||
|
|
},
|
||
|
|
"detect nil vs empty slices": {a: struct1{A: nil}, b: struct1{A: []int{}}, out: `
|
||
|
|
object.A:
|
||
|
|
a: []int(nil)
|
||
|
|
b: []int{}`,
|
||
|
|
},
|
||
|
|
}
|
||
|
|
for name, test := range testCases {
|
||
|
|
expect := test.out
|
||
|
|
if len(expect) == 0 {
|
||
|
|
expect = "<no diffs>"
|
||
|
|
}
|
||
|
|
if actual := ObjectReflectDiff(test.a, test.b); actual != expect {
|
||
|
|
t.Errorf("%s: unexpected output: %s", name, actual)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|