mirror of
https://github.com/edgelesssys/constellation.git
synced 2024-09-20 08:15:56 +00:00
108 lines
3.0 KiB
Go
108 lines
3.0 KiB
Go
package storage
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import (
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"context"
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"io"
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"os"
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"testing"
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"time"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/api/types/container"
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"github.com/docker/docker/client"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"google.golang.org/api/option"
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)
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const storageEmulator = "gcr.io/cloud-devrel-public-resources/storage-testbench"
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func TestGoogleCloudStorage(t *testing.T) {
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assert := assert.New(t)
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require := require.New(t)
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ctx := context.Background()
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// Set up the Storage Emulator
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t.Log("Creating storage emulator...")
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cli, err := client.NewClientWithOpts(client.FromEnv, client.WithAPIVersionNegotiation())
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require.NoError(err)
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emulator, err := setupEmulator(ctx, cli, storageEmulator)
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require.NoError(err)
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defer cli.ContainerStop(ctx, emulator.ID, nil)
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// Run the actual test
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t.Setenv("STORAGE_EMULATOR_HOST", "localhost:9000")
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bucketName := "test-bucket"
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projectName := "test-project"
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t.Log("Running test...")
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ctx, cancel := context.WithTimeout(context.Background(), time.Second*50)
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defer cancel()
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storage, err := NewGoogleCloudStorage(ctx, projectName, bucketName, nil, option.WithoutAuthentication())
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require.NoError(err)
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testDEK1 := []byte("test DEK")
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testDEK2 := []byte("more test DEK")
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// request unset value
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_, err = storage.Get(ctx, "test:input")
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assert.Error(err)
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// test Put method
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assert.NoError(storage.Put(ctx, "volume01", testDEK1))
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assert.NoError(storage.Put(ctx, "volume02", testDEK2))
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// make sure values have been set
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val, err := storage.Get(ctx, "volume01")
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assert.NoError(err)
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assert.Equal(testDEK1, val)
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val, err = storage.Get(ctx, "volume02")
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assert.NoError(err)
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assert.Equal(testDEK2, val)
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_, err = storage.Get(ctx, "invalid:key")
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assert.Error(err)
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assert.ErrorIs(err, ErrDEKUnset)
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}
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func setupEmulator(ctx context.Context, cli *client.Client, imageName string) (container.ContainerCreateCreatedBody, error) {
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reader, err := cli.ImagePull(ctx, imageName, types.ImagePullOptions{})
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if err != nil {
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return container.ContainerCreateCreatedBody{}, err
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}
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if _, err := io.Copy(os.Stdout, reader); err != nil {
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return container.ContainerCreateCreatedBody{}, err
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}
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if err := reader.Close(); err != nil {
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return container.ContainerCreateCreatedBody{}, err
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}
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// the 3 true statements are necessary to attach later to the container log
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containerConfig := &container.Config{
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Image: storageEmulator,
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AttachStdout: true,
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AttachStderr: true,
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Tty: true,
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}
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emulator, err := cli.ContainerCreate(ctx, containerConfig, &container.HostConfig{NetworkMode: container.NetworkMode("host"), AutoRemove: true}, nil, nil, "google-cloud-storage-test")
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if err != nil {
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return emulator, err
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}
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err = cli.ContainerStart(ctx, emulator.ID, types.ContainerStartOptions{})
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if err != nil {
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return emulator, err
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}
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logs, err := cli.ContainerLogs(ctx, emulator.ID, types.ContainerLogsOptions{
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ShowStdout: true,
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Follow: true,
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})
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if err != nil {
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return emulator, err
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}
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go io.Copy(os.Stdout, logs)
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return emulator, nil
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}
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