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// Copyright 2013 Google Inc. All rights reserved.
//
// 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 pretty
import (
"testing"
)
func TestDiff(t *testing.T) {
type example struct {
Name string
Age int
Friends []string
}
tests := []struct {
desc string
got, want interface{}
diff string
}{
{
desc: "basic struct",
got: example{
Name: "Zaphd",
Age: 42,
Friends: []string{
"Ford Prefect",
"Trillian",
"Marvin",
},
},
want: example{
Name: "Zaphod",
Age: 42,
Friends: []string{
"Ford Prefect",
"Trillian",
},
},
diff: ` {
- Name: "Zaphd",
+ Name: "Zaphod",
Age: 42,
Friends: [
"Ford Prefect",
"Trillian",
- "Marvin",
],
}`,
},
}
for _, test := range tests {
if got, want := Compare(test.got, test.want), test.diff; got != want {
t.Errorf("%s:", test.desc)
t.Errorf(" got: %q", got)
t.Errorf(" want: %q", want)
}
}
}
func TestSkipZeroFields(t *testing.T) {
type example struct {
Name string
Species string
Age int
Friends []string
}
tests := []struct {
desc string
got, want interface{}
diff string
}{
{
desc: "basic struct",
got: example{
Name: "Zaphd",
Species: "Betelgeusian",
Age: 42,
},
want: example{
Name: "Zaphod",
Species: "Betelgeusian",
Age: 42,
Friends: []string{
"Ford Prefect",
"Trillian",
"",
},
},
diff: ` {
- Name: "Zaphd",
+ Name: "Zaphod",
Species: "Betelgeusian",
Age: 42,
+ Friends: [
+ "Ford Prefect",
+ "Trillian",
+ "",
+ ],
}`,
},
}
cfg := *CompareConfig
cfg.SkipZeroFields = true
for _, test := range tests {
if got, want := cfg.Compare(test.got, test.want), test.diff; got != want {
t.Errorf("%s:", test.desc)
t.Errorf(" got: %q", got)
t.Errorf(" want: %q", want)
}
}
}
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