| package dockerfile |
| |
| import ( |
| "testing" |
| |
| "github.com/docker/docker/builder/dockerfile/instructions" |
| "github.com/docker/docker/builder/remotecontext" |
| "github.com/docker/docker/internal/testutil" |
| "github.com/docker/docker/pkg/archive" |
| "github.com/docker/docker/pkg/reexec" |
| ) |
| |
| type dispatchTestCase struct { |
| name, expectedError string |
| cmd instructions.Command |
| files map[string]string |
| } |
| |
| func init() { |
| reexec.Init() |
| } |
| |
| func initDispatchTestCases() []dispatchTestCase { |
| dispatchTestCases := []dispatchTestCase{ |
| { |
| name: "ADD multiple files to file", |
| cmd: &instructions.AddCommand{SourcesAndDest: instructions.SourcesAndDest{ |
| "file1.txt", |
| "file2.txt", |
| "test", |
| }}, |
| expectedError: "When using ADD with more than one source file, the destination must be a directory and end with a /", |
| files: map[string]string{"file1.txt": "test1", "file2.txt": "test2"}, |
| }, |
| { |
| name: "Wildcard ADD multiple files to file", |
| cmd: &instructions.AddCommand{SourcesAndDest: instructions.SourcesAndDest{ |
| "file*.txt", |
| "test", |
| }}, |
| expectedError: "When using ADD with more than one source file, the destination must be a directory and end with a /", |
| files: map[string]string{"file1.txt": "test1", "file2.txt": "test2"}, |
| }, |
| { |
| name: "COPY multiple files to file", |
| cmd: &instructions.CopyCommand{SourcesAndDest: instructions.SourcesAndDest{ |
| "file1.txt", |
| "file2.txt", |
| "test", |
| }}, |
| expectedError: "When using COPY with more than one source file, the destination must be a directory and end with a /", |
| files: map[string]string{"file1.txt": "test1", "file2.txt": "test2"}, |
| }, |
| { |
| name: "ADD multiple files to file with whitespace", |
| cmd: &instructions.AddCommand{SourcesAndDest: instructions.SourcesAndDest{ |
| "test file1.txt", |
| "test file2.txt", |
| "test", |
| }}, |
| expectedError: "When using ADD with more than one source file, the destination must be a directory and end with a /", |
| files: map[string]string{"test file1.txt": "test1", "test file2.txt": "test2"}, |
| }, |
| { |
| name: "COPY multiple files to file with whitespace", |
| cmd: &instructions.CopyCommand{SourcesAndDest: instructions.SourcesAndDest{ |
| "test file1.txt", |
| "test file2.txt", |
| "test", |
| }}, |
| expectedError: "When using COPY with more than one source file, the destination must be a directory and end with a /", |
| files: map[string]string{"test file1.txt": "test1", "test file2.txt": "test2"}, |
| }, |
| { |
| name: "COPY wildcard no files", |
| cmd: &instructions.CopyCommand{SourcesAndDest: instructions.SourcesAndDest{ |
| "file*.txt", |
| "/tmp/", |
| }}, |
| expectedError: "COPY failed: no source files were specified", |
| files: nil, |
| }, |
| { |
| name: "COPY url", |
| cmd: &instructions.CopyCommand{SourcesAndDest: instructions.SourcesAndDest{ |
| "https://index.docker.io/robots.txt", |
| "/", |
| }}, |
| expectedError: "source can't be a URL for COPY", |
| files: nil, |
| }} |
| |
| return dispatchTestCases |
| } |
| |
| func TestDispatch(t *testing.T) { |
| testCases := initDispatchTestCases() |
| |
| for _, testCase := range testCases { |
| executeTestCase(t, testCase) |
| } |
| } |
| |
| func executeTestCase(t *testing.T, testCase dispatchTestCase) { |
| contextDir, cleanup := createTestTempDir(t, "", "builder-dockerfile-test") |
| defer cleanup() |
| |
| for filename, content := range testCase.files { |
| createTestTempFile(t, contextDir, filename, content, 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 := remotecontext.FromArchive(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) |
| } |
| }() |
| |
| b := newBuilderWithMockBackend() |
| sb := newDispatchRequest(b, '`', context, newBuildArgs(make(map[string]*string)), newStagesBuildResults()) |
| err = dispatch(sb, testCase.cmd) |
| testutil.ErrorContains(t, err, testCase.expectedError) |
| } |