Add a public const for "containerd.io/distribution.source" in `labels` package and replace hardcoded usages. Signed-off-by: Paweł Gronowski <pawel.gronowski@docker.com>
		
			
				
	
	
		
			134 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			134 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
/*
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   Copyright The containerd Authors.
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   Licensed under the Apache License, Version 2.0 (the "License");
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   you may not use this file except in compliance with the License.
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   You may obtain a copy of the License at
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       http://www.apache.org/licenses/LICENSE-2.0
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   Unless required by applicable law or agreed to in writing, software
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   distributed under the License is distributed on an "AS IS" BASIS,
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   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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   See the License for the specific language governing permissions and
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   limitations under the License.
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*/
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package docker
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import (
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	"reflect"
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	"testing"
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	"github.com/containerd/containerd/labels"
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	"github.com/containerd/containerd/reference"
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)
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func TestAppendDistributionLabel(t *testing.T) {
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	for _, tc := range []struct {
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		originLabel string
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		repo        string
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		expected    string
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	}{
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		{
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			originLabel: "",
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			repo:        "",
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			expected:    "",
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		},
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		{
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			originLabel: "",
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			repo:        "library/busybox",
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			expected:    "library/busybox",
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		},
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		{
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			originLabel: "library/busybox",
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			repo:        "library/busybox",
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			expected:    "library/busybox",
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		},
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		// remove the duplicate one in origin
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		{
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			originLabel: "library/busybox,library/redis,library/busybox",
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			repo:        "library/alpine",
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			expected:    "library/alpine,library/busybox,library/redis",
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		},
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		// remove the empty repo
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		{
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			originLabel: "library/busybox,library/redis,library/busybox",
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			repo:        "",
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			expected:    "library/busybox,library/redis",
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		},
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		{
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			originLabel: "library/busybox,library/redis,library/busybox",
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			repo:        "library/redis",
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			expected:    "library/busybox,library/redis",
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		},
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	} {
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		if got := appendDistributionSourceLabel(tc.originLabel, tc.repo); !reflect.DeepEqual(got, tc.expected) {
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			t.Fatalf("expected %v, but got %v", tc.expected, got)
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		}
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	}
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}
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func TestDistributionSourceLabelKey(t *testing.T) {
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	expected := labels.LabelDistributionSource + ".testsource"
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	if got := distributionSourceLabelKey("testsource"); !reflect.DeepEqual(got, expected) {
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		t.Fatalf("expected %v, but got %v", expected, got)
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	}
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}
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func TestCommonPrefixComponents(t *testing.T) {
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	for _, tc := range []struct {
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		components []string
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		target     string
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		expected   int
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	}{
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		{
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			components: []string{"foo"},
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			target:     "foo/bar",
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			expected:   1,
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		},
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		{
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			components: []string{"bar"},
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			target:     "foo/bar",
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			expected:   0,
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		},
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		{
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			components: []string{"foo", "bar"},
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			target:     "foo/bar",
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			expected:   2,
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		},
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	} {
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		if got := commonPrefixComponents(tc.components, tc.target); !reflect.DeepEqual(got, tc.expected) {
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			t.Fatalf("expected %v, but got %v", tc.expected, got)
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		}
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	}
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}
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func TestSelectRepositoryMountCandidate(t *testing.T) {
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	for _, tc := range []struct {
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		refspec  reference.Spec
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		source   map[string]string
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		expected string
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	}{
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		{
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			refspec:  reference.Spec{},
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			source:   map[string]string{"": ""},
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			expected: "",
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		},
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		{
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			refspec:  reference.Spec{Locator: "user@host/path"},
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			source:   map[string]string{labels.LabelDistributionSource + ".host": "foo,path,bar"},
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			expected: "bar",
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		},
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		{
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			refspec:  reference.Spec{Locator: "user@host/path"},
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			source:   map[string]string{labels.LabelDistributionSource + ".host": "foo,bar,path"},
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			expected: "bar",
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		},
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	} {
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		if got := selectRepositoryMountCandidate(tc.refspec, tc.source); !reflect.DeepEqual(got, tc.expected) {
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			t.Fatalf("expected %v, but got %v", tc.expected, got)
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		}
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	}
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}
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