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package testcontainers
import (
"context"
"os"
"path/filepath"
"testing"
"github.com/containerd/platforms"
"github.com/stretchr/testify/require"
"github.com/testcontainers/testcontainers-go/internal/core"
)
func TestImageList(t *testing.T) {
t.Setenv("DOCKER_HOST", core.MustExtractDockerHost(context.Background()))
provider, err := ProviderDocker.GetProvider()
require.NoErrorf(t, err, "failed to get provider")
defer func() {
err = provider.Close()
require.NoError(t, err)
}()
req := ContainerRequest{
Image: "redis:latest",
}
ctr, err := provider.CreateContainer(context.Background(), req)
CleanupContainer(t, ctr)
require.NoErrorf(t, err, "creating test container")
images, err := provider.ListImages(context.Background())
require.NoErrorf(t, err, "listing images")
require.NotEmptyf(t, images, "no images retrieved")
// look if the list contains the container image
for _, img := range images {
if img.Name == req.Image {
return
}
}
t.Fatalf("expected image not found: %s", req.Image)
}
func TestSaveImages(t *testing.T) {
t.Setenv("DOCKER_HOST", core.MustExtractDockerHost(context.Background()))
provider, err := ProviderDocker.GetProvider()
require.NoErrorf(t, err, "failed to get provider")
defer func() {
err = provider.Close()
require.NoError(t, err)
}()
req := ContainerRequest{
Image: "redis:latest",
}
ctr, err := provider.CreateContainer(context.Background(), req)
CleanupContainer(t, ctr)
require.NoErrorf(t, err, "creating test container")
output := filepath.Join(t.TempDir(), "images.tar")
err = provider.SaveImages(context.Background(), output, req.Image)
require.NoErrorf(t, err, "saving image %q", req.Image)
info, err := os.Stat(output)
require.NoError(t, err)
require.NotZerof(t, info.Size(), "output file is empty")
}
func TestSaveImagesWithOpts(t *testing.T) {
t.Setenv("DOCKER_HOST", core.MustExtractDockerHost(context.Background()))
provider, err := ProviderDocker.GetProvider()
require.NoErrorf(t, err, "failed to get provider")
defer func() {
err = provider.Close()
require.NoError(t, err)
}()
req := ContainerRequest{
Image: "redis:latest",
ImagePlatform: "linux/amd64",
}
p, err := platforms.ParseAll([]string{"linux/amd64"})
require.NoError(t, err)
ctr, err := provider.CreateContainer(context.Background(), req)
CleanupContainer(t, ctr)
require.NoErrorf(t, err, "creating test container")
output := filepath.Join(t.TempDir(), "images.tar")
err = provider.SaveImagesWithOpts(
context.Background(), output, []string{req.Image}, SaveDockerImageWithPlatforms(p...),
)
require.NoErrorf(t, err, "saving image %q", req.Image)
info, err := os.Stat(output)
require.NoError(t, err)
require.NotZerof(t, info.Size(), "output file is empty")
}
func TestResolveSaveImageOptions(t *testing.T) {
t.Run("no options", func(t *testing.T) {
platform, err := ResolveSaveImageOptions()
require.NoError(t, err)
require.Nil(t, platform)
})
t.Run("single platform", func(t *testing.T) {
p, err := platforms.Parse("linux/amd64")
require.NoError(t, err)
platform, err := ResolveSaveImageOptions(SaveDockerImageWithPlatforms(p))
require.NoError(t, err)
require.NotNil(t, platform)
require.Equal(t, p, *platform)
})
t.Run("multiple platforms", func(t *testing.T) {
amd64, err := platforms.Parse("linux/amd64")
require.NoError(t, err)
arm64, err := platforms.Parse("linux/arm64")
require.NoError(t, err)
_, err = ResolveSaveImageOptions(
SaveDockerImageWithPlatforms(amd64),
SaveDockerImageWithPlatforms(arm64),
)
require.Error(t, err)
})
}