moby/builder/dockerfile/internals_test.go
Tomasz Kopczynski fb175bb367 Reimplementing builder tests for Dockerfile outside context as a unit test
Signed-off-by: Tomasz Kopczynski <tomek@kopczynski.net.pl>
2016-06-05 08:39:06 +02:00

102 lines
2.4 KiB
Go

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())
}
}
func TestDockerfileOutsideTheBuildContext(t *testing.T) {
contextDir, cleanup := createTestTempDir(t, "", "builder-dockerfile-test")
defer cleanup()
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{
Dockerfile: "../../Dockerfile",
}
b := &Builder{options: options, context: context}
err = b.readDockerfile()
if err == nil {
t.Fatalf("No error when executing test for Dockerfile outside the build context")
}
expectedError := "Forbidden path outside the build context"
if !strings.Contains(err.Error(), expectedError) {
t.Fatalf("Wrong error message. Should be \"%s\". Got \"%s\"", expectedError, err.Error())
}
}