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- package dockerfile
- import (
- "strings"
- "testing"
- "github.com/docker/docker/builder"
- "github.com/docker/docker/pkg/archive"
- "github.com/docker/engine-api/types"
- )
- func TestEmptyDockerfile(t *testing.T) {
- contextDir, cleanup := createTestTempDir(t, "", "builder-dockerfile-test")
- defer cleanup()
- createTestTempFile(t, contextDir, builder.DefaultDockerfileName, "", 0777)
- tarStream, err := archive.Tar(contextDir, archive.Uncompressed)
- if err != nil {
- t.Fatalf("Error when creating tar stream: %s", err)
- }
- defer func() {
- if err = tarStream.Close(); err != nil {
- t.Fatalf("Error when closing tar stream: %s", err)
- }
- }()
- context, err := builder.MakeTarSumContext(tarStream)
- if err != nil {
- t.Fatalf("Error when creating tar context: %s", err)
- }
- defer func() {
- if err = context.Close(); err != nil {
- t.Fatalf("Error when closing tar context: %s", err)
- }
- }()
- options := &types.ImageBuildOptions{}
- b := &Builder{options: options, context: context}
- err = b.readDockerfile()
- if err == nil {
- t.Fatalf("No error when executing test for empty Dockerfile")
- }
- if !strings.Contains(err.Error(), "The Dockerfile (Dockerfile) cannot be empty") {
- t.Fatalf("Wrong error message. Should be \"%s\". Got \"%s\"", "The Dockerfile (Dockerfile) cannot be empty", err.Error())
- }
- }
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