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// Copyright 2018 Google LLC 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 name
import (
"path"
"strings"
"testing"
)
var goodStrictValidationTagNames = []string{
"gcr.io/g-convoy/hello-world:latest",
"gcr.io/google.com/g-convoy/hello-world:latest",
"gcr.io/project-id/with-nums:v2",
"us.gcr.io/project-id/image:with.period.in.tag",
"gcr.io/project-id/image:w1th-alpha_num3ric.PLUScaps",
"domain.with.port:9001/image:latest",
}
var goodWeakValidationTagNames = []string{
"namespace/pathcomponent/image",
"library/ubuntu",
"gcr.io/project-id/implicit-latest",
"www.example.test:12345/repo/path",
}
var badTagNames = []string{
"gcr.io/project-id/bad_chars:c@n'tuse",
"gcr.io/project-id/wrong-length:white space",
"gcr.io/project-id/too-many-chars:thisisthetagthatneverendsitgoesonandonmyfriendsomepeoplestartedtaggingitnotknowingwhatitwasandtheyllcontinuetaggingitforeverjustbecausethisisthetagthatneverends",
}
func TestNewTagStrictValidation(t *testing.T) {
t.Parallel()
for _, name := range goodStrictValidationTagNames {
if tag, err := NewTag(name, StrictValidation); err != nil {
t.Errorf("`%s` should be a valid Tag name, got error: %v", name, err)
} else if tag.Name() != name {
t.Errorf("`%v` .Name() should reproduce the original name. Wanted: %s Got: %s", tag, name, tag.Name())
}
}
for _, name := range append(goodWeakValidationTagNames, badTagNames...) {
if tag, err := NewTag(name, StrictValidation); err == nil {
t.Errorf("`%s` should be an invalid Tag name, got Tag: %#v", name, tag)
}
}
}
func TestNewTag(t *testing.T) {
t.Parallel()
for _, name := range append(goodStrictValidationTagNames, goodWeakValidationTagNames...) {
if _, err := NewTag(name, WeakValidation); err != nil {
t.Errorf("`%s` should be a valid Tag name, got error: %v", name, err)
}
}
for _, name := range badTagNames {
if tag, err := NewTag(name, WeakValidation); err == nil {
t.Errorf("`%s` should be an invalid Tag name, got Tag: %#v", name, tag)
}
}
}
func TestTagComponents(t *testing.T) {
t.Parallel()
testRegistry := "gcr.io"
testRepository := "project-id/image"
testTag := "latest"
fullRepo := path.Join(testRegistry, testRepository)
tagNameStr := testRegistry + "/" + testRepository + ":" + testTag
tag, err := NewTag(tagNameStr, StrictValidation)
if err != nil {
t.Fatalf("`%s` should be a valid Tag name, got error: %v", tagNameStr, err)
}
actualRegistry := tag.RegistryStr()
if actualRegistry != testRegistry {
t.Errorf("RegistryStr() was incorrect for %v. Wanted: `%s` Got: `%s`", tag, testRegistry, actualRegistry)
}
actualRepository := tag.RepositoryStr()
if actualRepository != testRepository {
t.Errorf("RepositoryStr() was incorrect for %v. Wanted: `%s` Got: `%s`", tag, testRepository, actualRepository)
}
actualTag := tag.TagStr()
if actualTag != testTag {
t.Errorf("TagStr() was incorrect for %v. Wanted: `%s` Got: `%s`", tag, testTag, actualTag)
}
if got, want := tag.Context().String(), fullRepo; got != want {
t.Errorf("Context.String() was incorrect for %v. Wanted: `%s` Got: `%s`", tag, want, got)
}
if got, want := tag.Identifier(), testTag; got != want {
t.Errorf("Identifier() was incorrect for %v. Wanted: `%s` Got: `%s`", tag, want, got)
}
if got, want := tag.String(), tagNameStr; got != want {
t.Errorf("String() was incorrect for %v. Wanted: `%s` Got: `%s`", tag, want, got)
}
}
func TestTagScopes(t *testing.T) {
t.Parallel()
testRegistry := "gcr.io"
testRepo := "project-id/image"
testTag := "latest"
testAction := "pull"
expectedScope := strings.Join([]string{"repository", testRepo, testAction}, ":")
tagNameStr := testRegistry + "/" + testRepo + ":" + testTag
tag, err := NewTag(tagNameStr, StrictValidation)
if err != nil {
t.Fatalf("`%s` should be a valid Tag name, got error: %v", tagNameStr, err)
}
actualScope := tag.Scope(testAction)
if actualScope != expectedScope {
t.Errorf("scope was incorrect for %v. Wanted: `%s` Got: `%s`", tag, expectedScope, actualScope)
}
}
func TestAllDefaults(t *testing.T) {
tagNameStr := "ubuntu"
tag, err := NewTag(tagNameStr, WeakValidation)
if err != nil {
t.Fatalf("`%s` should be a valid Tag name, got error: %v", tagNameStr, err)
}
expectedName := "index.docker.io/library/ubuntu:latest"
actualName := tag.Name()
if actualName != expectedName {
t.Errorf("Name() was incorrect for %v. Wanted: `%s` Got: `%s`", tag, expectedName, actualName)
}
}
func TestOverrideDefault(t *testing.T) {
tagNameStr := "ubuntu"
tag, err := NewTag(tagNameStr, WeakValidation, WithDefaultTag("other"))
if err != nil {
t.Fatalf("`%s` should be a valid Tag name, got error: %v", tagNameStr, err)
}
expectedName := "index.docker.io/library/ubuntu:other"
actualName := tag.Name()
if actualName != expectedName {
t.Errorf("Name() was incorrect for %v. Wanted: `%s` Got: `%s`", tag, expectedName, actualName)
}
}
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