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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"
"strings"
"testing"
)
func TestInvalidPodManifest(t *testing.T) {
tests := []struct {
desc string
json string
expected PodManifest
}{
{
desc: "Check an empty pod manifest",
json: podJ(appsJ(), ""),
expected: podI(appsI()),
},
{
desc: "Check a pod manifest with an empty app",
json: podJ(appsJ(appJ("", rImgJ("i", "id", labsJ(), ""), "")), ""),
expected: podI(appsI(appI("", rImgI("i", "id", labsI())))),
},
{
desc: "Check a pod manifest with an app based on an empty image",
json: podJ(appsJ(appJ("a", rImgJ("", "", labsJ(), ""), "")), ""),
expected: podI(appsI(appI("a", rImgI("", "", labsI())))),
},
{
desc: "Check a pod manifest with an app based on an image containing an empty label",
json: podJ(appsJ(appJ("a", rImgJ("", "", labsJ(labJ("", "", "")), ""), "")), ""),
expected: podI(appsI(appI("a", rImgI("", "", labsI(labI("", "")))))),
},
{
desc: "Check a pod manifest with an invalid app name",
json: podJ(appsJ(appJ("!", rImgJ("i", "id", labsJ(), ""), "")), ""),
expected: podI(appsI(appI("!", rImgI("i", "id", labsI())))),
},
{
desc: "Check a pod manifest with duplicated app names",
json: podJ(appsJ(appJ("a", rImgJ("i", "id", labsJ(), ""), ""), appJ("a", rImgJ("", "", labsJ(), ""), "")), ""),
expected: podI(appsI(appI("a", rImgI("i", "id", labsI())), appI("a", rImgI("", "", labsI())))),
},
{
desc: "Check a pod manifest with an invalid image name and ID",
json: podJ(appsJ(appJ("?", rImgJ("!!!", "&&&", labsJ(), ""), "")), ""),
expected: podI(appsI(appI("?", rImgI("!!!", "&&&", labsI())))),
},
{
desc: "Check a pod manifest with an app based on an image containing labels with invalid names",
json: podJ(appsJ(appJ("a", rImgJ("i", "id", labsJ(labJ("!n1", "v1", ""), labJ("N2~", "v2", "")), ""), "")), ""),
expected: podI(appsI(appI("a", rImgI("i", "id", labsI(labI("!n1", "v1"), labI("N2~", "v2")))))),
},
{
desc: "Check a pod manifest with an app based on an image containing repeated labels",
json: podJ(appsJ(appJ("a", rImgJ("i", "id", labsJ(labJ("n1", "v1", ""), labJ("n1", "v2", "")), ""), "")), ""),
expected: podI(appsI(appI("a", rImgI("i", "id", labsI(labI("n1", "v1"), labI("n1", "v2")))))),
},
{
desc: "Check a pod manifest with some extra fields",
json: podJ(appsJ(), extJ("goblins")),
expected: podI(appsI()),
},
{
desc: "Check a pod manifest with an app containing some extra fields",
json: podJ(appsJ(appJ("a", rImgJ("i", "id", labsJ(), ""), extJ("trolls"))), extJ("goblins")),
expected: podI(appsI(appI("a", rImgI("i", "id", labsI())))),
},
{
desc: "Check a pod manifest with an app based on an image containing some extra fields",
json: podJ(appsJ(appJ("a", rImgJ("i", "id", labsJ(), extJ("stuff")), extJ("trolls"))), extJ("goblins")),
expected: podI(appsI(appI("a", rImgI("i", "id", labsI())))),
},
{
desc: "Check a pod manifest with an app based on an image containing labels with some extra fields",
json: podJ(appsJ(appJ("a", rImgJ("i", "id", labsJ(labJ("n", "v", extJ("color"))), extJ("stuff")), extJ("trolls"))), extJ("goblins")),
expected: podI(appsI(appI("a", rImgI("i", "id", labsI(labI("n", "v")))))),
},
}
for _, tt := range tests {
got := PodManifest{}
if err := got.UnmarshalJSON([]byte(tt.json)); err != nil {
t.Errorf("%s: unexpected error during unmarshalling pod manifest: %v", tt.desc, err)
}
if !reflect.DeepEqual(tt.expected, got) {
t.Errorf("%s: did not get expected pod manifest, got:\n %#v\nexpected:\n %#v", tt.desc, got, tt.expected)
}
}
}
func TestBogusPodManifest(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 {
pm := PodManifest{}
if pm.UnmarshalJSON([]byte(str)) == nil {
t.Errorf("bogus pod manifest unmarshalled successfully: %s", str)
}
}
}
// podJ returns a pod manifest JSON with given apps
func podJ(apps, extra string) string {
return fmt.Sprintf(`
{
%s
"acKind": "PodManifest",
"acVersion": "0.8.9",
"apps": %s
}`, extra, apps)
}
// podI returns a pod manifest instance with given apps
func podI(apps AppList) PodManifest {
return PodManifest{
ACVersion: "0.8.9",
ACKind: "PodManifest",
Apps: apps,
}
}
// appsJ returns an applist JSON snippet with given apps
func appsJ(apps ...string) string {
return fmt.Sprintf("[%s]", strings.Join(apps, ","))
}
// appsI returns an applist instance with given apps
func appsI(apps ...RuntimeApp) AppList {
if apps == nil {
return AppList{}
}
return apps
}
// appJ returns an app JSON snippet with given name and image
func appJ(name, image, extra string) string {
return fmt.Sprintf(`
{
%s
"name": "%s",
"image": %s
}`, extra, name, image)
}
// appI returns an app instance with given name and image
func appI(name string, image RuntimeImage) RuntimeApp {
return RuntimeApp{
Name: name,
Image: image,
}
}
// rImgJ returns a runtime image JSON snippet with given name, id and
// labels
func rImgJ(name, id, labels, extra string) string {
return fmt.Sprintf(`
{
%s
"name": "%s",
"id": "%s",
"labels": %s
}`, extra, name, id, labels)
}
// rImgI returns a runtime image instance with given name, id and
// labels
func rImgI(name, id string, labels Labels) RuntimeImage {
return RuntimeImage{
Name: name,
ID: id,
Labels: labels,
}
}
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