101 lines
2.8 KiB
Go
101 lines
2.8 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 usage
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import (
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"context"
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"testing"
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"github.com/containerd/containerd/images"
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"github.com/containerd/containerd/images/imagetest"
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"github.com/containerd/containerd/platforms"
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"github.com/containerd/log/logtest"
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ocispec "github.com/opencontainers/image-spec/specs-go/v1"
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)
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func TestUsageCalculation(t *testing.T) {
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for _, tc := range []struct {
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name string
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target imagetest.ContentCreator
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expected imagetest.ContentSizeCalculator
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opts []Opt
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}{
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{
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name: "simple",
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target: imagetest.SimpleManifest(50),
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expected: imagetest.SizeOfManifest,
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opts: []Opt{WithManifestUsage()},
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},
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{
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name: "simpleIndex",
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target: imagetest.SimpleIndex(5, 50),
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expected: imagetest.SizeOfContent,
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},
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{
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name: "stripLayersManifestOnly",
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target: imagetest.StripLayers(imagetest.SimpleIndex(3, 51)),
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expected: imagetest.SizeOfManifest,
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opts: []Opt{WithManifestUsage()},
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},
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{
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name: "stripLayers",
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target: imagetest.StripLayers(imagetest.SimpleIndex(4, 60)),
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expected: imagetest.SizeOfContent,
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},
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{
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name: "manifestlimit",
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target: func(tc imagetest.ContentStore) imagetest.Content {
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return tc.Index(
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imagetest.AddPlatform(imagetest.SimpleManifest(5)(tc), ocispec.Platform{Architecture: "amd64", OS: "linux"}),
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imagetest.AddPlatform(imagetest.SimpleManifest(10)(tc), ocispec.Platform{Architecture: "arm64", OS: "linux"}),
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)
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},
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expected: func(t imagetest.Content) int64 { return imagetest.SizeOfManifest(imagetest.LimitChildren(t, 1)) },
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opts: []Opt{
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WithManifestLimit(platforms.Only(ocispec.Platform{Architecture: "amd64", OS: "linux"}), 1),
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WithManifestUsage(),
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},
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},
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// TODO: Add test with snapshot
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} {
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tc := tc
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t.Run(tc.name, func(t *testing.T) {
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ctx := logtest.WithT(context.Background(), t)
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cs := imagetest.NewContentStore(ctx, t)
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content := tc.target(cs)
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img := images.Image{
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Name: tc.name,
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Target: content.Descriptor,
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Labels: content.Labels,
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}
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usage, err := CalculateImageUsage(ctx, img, cs, tc.opts...)
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if err != nil {
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t.Fatal(err)
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}
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expected := tc.expected(content)
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if expected != usage {
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t.Fatalf("unexpected usage: %d, expected %d", usage, expected)
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}
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})
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}
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}
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