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// Copyright 2015 The appc 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 lastditch
import (
"fmt"
"reflect"
"testing"
)
func TestInvalidImageManifest(t *testing.T) {
tests := []struct {
desc string
json string
expected ImageManifest
}{
{
desc: "Check an empty image manifest",
json: imgJ("", labsJ(), ""),
expected: imgI("", labsI()),
},
{
desc: "Check an image manifest with an empty label",
json: imgJ("example.com/test!", labsJ(labJ("", "", "")), ""),
expected: imgI("example.com/test!", labsI(labI("", ""))),
},
{
desc: "Check an image manifest with an invalid name",
json: imgJ("example.com/test!", labsJ(), ""),
expected: imgI("example.com/test!", labsI()),
},
{
desc: "Check an image manifest with labels with invalid names",
json: imgJ("im", labsJ(labJ("!n1", "v1", ""), labJ("N2~", "v2", "")), ""),
expected: imgI("im", labsI(labI("!n1", "v1"), labI("N2~", "v2"))),
},
{
desc: "Check an image manifest with duplicated labels",
json: imgJ("im", labsJ(labJ("n1", "v1", ""), labJ("n1", "v2", "")), ""),
expected: imgI("im", labsI(labI("n1", "v1"), labI("n1", "v2"))),
},
{
desc: "Check an image manifest with some extra fields",
json: imgJ("im", labsJ(), extJ("stuff")),
expected: imgI("im", labsI()),
},
{
desc: "Check an image manifest with a label containing some extra fields",
json: imgJ("im", labsJ(labJ("n1", "v1", extJ("clutter"))), extJ("stuff")),
expected: imgI("im", labsI(labI("n1", "v1"))),
},
}
for _, tt := range tests {
got := ImageManifest{}
if err := got.UnmarshalJSON([]byte(tt.json)); err != nil {
t.Errorf("%s: unexpected error during unmarshalling image manifest: %v", tt.desc, err)
}
if !reflect.DeepEqual(tt.expected, got) {
t.Errorf("%s: did not get expected image manifest, got:\n %#v\nexpected:\n %#v", tt.desc, got, tt.expected)
}
}
}
func TestBogusImageManifest(t *testing.T) {
bogus := []string{`
{
"acKind": "Bogus",
"acVersion": "0.8.9",
}
`, `
<html>
<head>
<title>Certainly not a JSON</title>
</head>
</html>`,
}
for _, str := range bogus {
im := ImageManifest{}
if im.UnmarshalJSON([]byte(str)) == nil {
t.Errorf("bogus image manifest unmarshalled successfully: %s", str)
}
}
}
// imgJ returns an image manifest JSON with given name and labels
func imgJ(name, labels, extra string) string {
return fmt.Sprintf(`
{
%s
"acKind": "ImageManifest",
"acVersion": "0.8.9",
"name": "%s",
"labels": %s
}`, extra, name, labels)
}
// imgI returns an image manifest instance with given name and labels
func imgI(name string, labels Labels) ImageManifest {
return ImageManifest{
ACVersion: "0.8.9",
ACKind: "ImageManifest",
Name: name,
Labels: labels,
}
}
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