Function TestDockerfileBuildContext

integration/integration_test.go:1545–1630

(t *testing.T)

}

func TestDockerfileBuildContext(t *testing.T) {
	t.Parallel()

	inclFile := "myfile"
	dockerfile := fmt.Sprintf(`FROM %s
COPY %s .`, testImageAlpine, inclFile)

	tests := []struct {
		name             string
		files            map[string]string
		dockerfilePath   string
		buildContextPath string
		expectedErr      string
	}{
		{
			// Dockerfile & build context are in the same dir, copying inclFile should work.
			name: "same build context (default)",
			files: map[string]string{
				"Dockerfile": dockerfile,
				inclFile:     "...",
			},
			dockerfilePath:   "Dockerfile",
			buildContextPath: "", // use default
			expectedErr:      "", // expect no errors
		},
		{
			// Dockerfile & build context are not in the same dir, build context is still the default; this should fail
			// to copy inclFile since it is not in the same dir as the Dockerfile.
			name: "different build context (default)",
			files: map[string]string{
				"a/Dockerfile":  dockerfile,
				"a/" + inclFile: "...",
			},
			dockerfilePath:   "a/Dockerfile",
			buildContextPath: "", // use default
			expectedErr:      inclFile + ": no such file or directory",
		},
		{
			// Dockerfile & build context are not in the same dir, but inclFile is in the default build context dir;
			// this should allow inclFile to be copied. This is probably not desirable though?
			name: "different build context (default, different content roots)",
			files: map[string]string{
				"a/Dockerfile": dockerfile,
				inclFile:       "...",
			},
			dockerfilePath:   "a/Dockerfile",
			buildContextPath: "", // use default
			expectedErr:      "",
		},
		{
			// Dockerfile is not in the default build context dir, but the build context has been overridden; this should
			// allow inclFile to be copied.
			name: "different build context (custom)",
			files: map[string]string{
				"a/Dockerfile":  dockerfile,
				"a/" + inclFile: "...",
			},
			dockerfilePath:   "a/Dockerfile",