108 lines
3 KiB
Go
108 lines
3 KiB
Go
package dockerfile // import "github.com/docker/docker/builder/dockerfile"
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import (
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"context"
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"fmt"
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"runtime"
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"testing"
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"github.com/containerd/containerd/platforms"
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"github.com/docker/docker/builder"
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"github.com/docker/docker/image"
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ocispec "github.com/opencontainers/image-spec/specs-go/v1"
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"gotest.tools/v3/assert"
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)
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func getMockImageSource(getImageImage builder.Image, getImageLayer builder.ROLayer, getImageError error) *imageSources {
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return &imageSources{
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byImageID: make(map[string]*imageMount),
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mounts: []*imageMount{},
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getImage: func(_ context.Context, name string, localOnly bool, platform *ocispec.Platform) (builder.Image, builder.ROLayer, error) {
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return getImageImage, getImageLayer, getImageError
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},
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}
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}
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func getMockImageMount() *imageMount {
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return &imageMount{
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image: nil,
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layer: nil,
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}
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}
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func TestAddScratchImageAddsToMounts(t *testing.T) {
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is := getMockImageSource(nil, nil, fmt.Errorf("getImage is not implemented"))
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im := getMockImageMount()
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// We are testing whether the imageMount is added to is.mounts
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assert.Equal(t, len(is.mounts), 0)
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is.Add(im, nil)
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assert.Equal(t, len(is.mounts), 1)
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}
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func TestAddFromScratchPopulatesPlatform(t *testing.T) {
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is := getMockImageSource(nil, nil, fmt.Errorf("getImage is not implemented"))
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platforms := []*ocispec.Platform{
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{
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OS: "linux",
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Architecture: "amd64",
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},
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{
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OS: "linux",
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Architecture: "arm64",
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Variant: "v8",
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},
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}
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for i, platform := range platforms {
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im := getMockImageMount()
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assert.Equal(t, len(is.mounts), i)
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is.Add(im, platform)
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image, ok := im.image.(*image.Image)
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assert.Assert(t, ok)
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assert.Equal(t, image.OS, platform.OS)
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assert.Equal(t, image.Architecture, platform.Architecture)
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assert.Equal(t, image.Variant, platform.Variant)
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}
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}
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func TestAddFromScratchDoesNotModifyArgPlatform(t *testing.T) {
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is := getMockImageSource(nil, nil, fmt.Errorf("getImage is not implemented"))
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im := getMockImageMount()
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platform := &ocispec.Platform{
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OS: "windows",
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Architecture: "amd64",
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}
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argPlatform := *platform
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is.Add(im, &argPlatform)
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// The way the code is written right now, this test
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// really doesn't do much except on Windows.
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assert.DeepEqual(t, *platform, argPlatform)
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}
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func TestAddFromScratchPopulatesPlatformIfNil(t *testing.T) {
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is := getMockImageSource(nil, nil, fmt.Errorf("getImage is not implemented"))
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im := getMockImageMount()
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is.Add(im, nil)
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image, ok := im.image.(*image.Image)
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assert.Assert(t, ok)
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expectedPlatform := platforms.DefaultSpec()
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if runtime.GOOS == "windows" {
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expectedPlatform.OS = "linux"
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}
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assert.Equal(t, expectedPlatform.OS, image.OS)
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assert.Equal(t, expectedPlatform.Architecture, image.Architecture)
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assert.Equal(t, expectedPlatform.Variant, image.Variant)
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}
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func TestImageSourceGetAddsToMounts(t *testing.T) {
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is := getMockImageSource(nil, nil, nil)
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ctx := context.Background()
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_, err := is.Get(ctx, "test", false, nil)
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assert.NilError(t, err)
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assert.Equal(t, len(is.mounts), 1)
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}
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