airshipctl/pkg/util/yaml/writer_test.go
Yasin, Siraj (SY495P) c25d223c7b Add copyright for missing files
* added license templates for go, bash & yaml in tools dir
* added a script that will add license information for all
    missing files. Type:  go, yaml, yml, sh
* skip adding license for all files within testdata
* Syntax:
   > ./tools/add_license.sh

* Skip license for manifests folder
* Added one extra line after licene for yaml files
* Added License after Hashbang for bash.
* Add an extra line after hashbang and before license
* Updated the go template to use multiline comments

New Files:
  1. tools/add_license.sh
  2. tools/license_go.txt
  3. tools/license_yaml.txt
  4. tools/license_bash.txt

Change-Id: Ia4da5b261e7cd518d446896b72c810421877472a
Realtes-To:#147
2020-04-09 08:35:59 -05:00

111 lines
2.8 KiB
Go

/*
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
https://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 yaml_test
import (
"bytes"
"io"
"regexp"
"testing"
"time"
"github.com/stretchr/testify/assert"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"sigs.k8s.io/yaml"
utilyaml "opendev.org/airship/airshipctl/pkg/util/yaml"
)
// FakeYaml Used to emulate yaml
type FakeYaml struct {
Key string
}
// FakeErrorDashWriter fake object to simulate errors of writer
type FakeErrorDashWriter struct {
Err error
Match string
}
func (f *FakeErrorDashWriter) Write(b []byte) (int, error) {
if string(b) == f.Match {
// arbitrary error from io package
return 0, f.Err
}
return len(b), nil
}
func TestWriteOut(t *testing.T) {
// Create some object, that can be marshaled into yaml
ob := &metav1.ObjectMeta{
Name: "RandomName",
Namespace: "uniqueNamespace",
CreationTimestamp: metav1.NewTime(time.Unix(10, 0)),
Labels: map[string]string{
"airshiplabel": "airshipit.org",
"app": "foo",
},
}
var b bytes.Buffer
// WriteOut to buffer
err := utilyaml.WriteOut(&b, ob)
if err != nil {
t.Fatalf("Failed to write out yaml: %v", err)
}
// Verify result contents
// TODO (kkalynovskyi) make more reliable tests
assert.Contains(t, b.String(), ob.Name)
assert.Contains(t, b.String(), "airshiplabel: airshipit.org")
assert.Regexp(t, regexp.MustCompile(`^---.*`), b.String())
assert.Regexp(t, regexp.MustCompile(`.*\.\.\.\n$`), b.String())
// Create new ObjectMeta for reverse marshaling test.
var rob metav1.ObjectMeta
// Check if you can marshal the results of writeout back to the Object
err = yaml.Unmarshal(b.Bytes(), &rob)
if err != nil {
t.Fatalf("Result of write out can not be transformed back into original object: %v", err)
}
// Compare original object with reverse marshaled
assert.Equal(t, ob, &rob)
}
func TestWriteOutErrorsWrongYaml(t *testing.T) {
src := make(chan int)
var b bytes.Buffer
assert.Error(t, utilyaml.WriteOut(&b, src))
}
func TestWriteOutErrorsErrorWriter(t *testing.T) {
// Some easy to match yaml
fakeYaml := FakeYaml{Key: "value"}
fakeWriter := &FakeErrorDashWriter{Err: io.ErrUnexpectedEOF}
strings := []string{
utilyaml.DotYamlSeparator,
utilyaml.DashYamlSeparator,
"Key: value\n",
}
for _, str := range strings {
fakeWriter.Match = str
assert.Error(t, utilyaml.WriteOut(fakeWriter, fakeYaml))
}
}