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/*
Copyright The containerd 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 docker
import (
"reflect"
"testing"
"github.com/containerd/containerd/v2/pkg/labels"
"github.com/containerd/containerd/v2/pkg/reference"
)
func TestAppendDistributionLabel(t *testing.T) {
for _, tc := range []struct {
originLabel string
repo string
expected string
}{
{
originLabel: "",
repo: "",
expected: "",
},
{
originLabel: "",
repo: "library/busybox",
expected: "library/busybox",
},
{
originLabel: "library/busybox",
repo: "library/busybox",
expected: "library/busybox",
},
// remove the duplicate one in origin
{
originLabel: "library/busybox,library/redis,library/busybox",
repo: "library/alpine",
expected: "library/alpine,library/busybox,library/redis",
},
// remove the empty repo
{
originLabel: "library/busybox,library/redis,library/busybox",
repo: "",
expected: "library/busybox,library/redis",
},
{
originLabel: "library/busybox,library/redis,library/busybox",
repo: "library/redis",
expected: "library/busybox,library/redis",
},
} {
if got := appendDistributionSourceLabel(tc.originLabel, tc.repo); !reflect.DeepEqual(got, tc.expected) {
t.Fatalf("expected %v, but got %v", tc.expected, got)
}
}
}
func TestDistributionSourceLabelKey(t *testing.T) {
expected := labels.LabelDistributionSource + ".testsource"
if got := distributionSourceLabelKey("testsource"); !reflect.DeepEqual(got, expected) {
t.Fatalf("expected %v, but got %v", expected, got)
}
}
func TestCommonPrefixComponents(t *testing.T) {
for _, tc := range []struct {
components []string
target string
expected int
}{
{
components: []string{"foo"},
target: "foo/bar",
expected: 1,
},
{
components: []string{"bar"},
target: "foo/bar",
expected: 0,
},
{
components: []string{"foo", "bar"},
target: "foo/bar",
expected: 2,
},
} {
if got := commonPrefixComponents(tc.components, tc.target); !reflect.DeepEqual(got, tc.expected) {
t.Fatalf("expected %v, but got %v", tc.expected, got)
}
}
}
func TestSelectRepositoryMountCandidate(t *testing.T) {
for _, tc := range []struct {
refspec reference.Spec
source map[string]string
expected string
}{
{
refspec: reference.Spec{},
source: map[string]string{"": ""},
expected: "",
},
{
refspec: reference.Spec{Locator: "user@host/path"},
source: map[string]string{labels.LabelDistributionSource + ".host": "foo,path,bar"},
expected: "bar",
},
{
refspec: reference.Spec{Locator: "user@host/path"},
source: map[string]string{labels.LabelDistributionSource + ".host": "foo,bar,path"},
expected: "bar",
},
} {
if got := selectRepositoryMountCandidate(tc.refspec, tc.source); !reflect.DeepEqual(got, tc.expected) {
t.Fatalf("expected %v, but got %v", tc.expected, got)
}
}
}
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