Function TestEnsureDevcontainerConfigMergesWithExisting

pkg/cli/devcontainer_test.go:446–591

(t *testing.T)

}

func TestEnsureDevcontainerConfigMergesWithExisting(t *testing.T) {
	tmpDir := testutil.TempDir(t, "test-*")

	originalDir, err := os.Getwd()
	if err != nil {
		t.Fatalf("Failed to get current directory: %v", err)
	}
	defer func() {
		_ = os.Chdir(originalDir)
	}()

	if err := os.Chdir(tmpDir); err != nil {
		t.Fatalf("Failed to change to temp directory: %v", err)
	}

	// Initialize git repo
	if err := exec.Command("git", "init").Run(); err != nil {
		t.Skip("Git not available")
	}

	// Configure git and add remote
	exec.Command("git", "config", "user.name", "Test User").Run()
	exec.Command("git", "config", "user.email", "test@example.com").Run()
	exec.Command("git", "remote", "add", "origin", "https://github.com/testorg/testrepo.git").Run()

	// Create .devcontainer directory
	devcontainerDir := ".devcontainer"
	if err := os.MkdirAll(devcontainerDir, 0755); err != nil {
		t.Fatalf("Failed to create directory: %v", err)
	}

	// Create an existing devcontainer.json with custom configuration
	existingConfig := DevcontainerConfig{
		Name:  "My Custom Dev Environment",
		Image: "mcr.microsoft.com/devcontainers/python:3.11",
		Customizations: &DevcontainerCustomizations{
			VSCode: &DevcontainerVSCode{
				Extensions: []string{
					"ms-python.python",
					"ms-python.vscode-pylance",
				},
			},
		},
		Features: DevcontainerFeatures{
			"ghcr.io/devcontainers/features/docker-in-docker:2": map[string]any{},
		},
		PostCreateCommand: "pip install -r requirements.txt",
	}

	devcontainerPath := filepath.Join(devcontainerDir, "devcontainer.json")
	data, err := json.MarshalIndent(existingConfig, "", "  ")
	if err != nil {
		t.Fatalf("Failed to marshal existing config: %v", err)
	}
	data = append(data, '\n')

	if err := os.WriteFile(devcontainerPath, data, 0644); err != nil {
		t.Fatalf("Failed to write existing config: %v", err)