Effective Testing Strategies for Angular Components

{
  "title": "Effective Testing Strategies for Angular Components",
  "description": "Implement best practices for writing unit tests and end-to-end tests for Angular components to ensure high code quality.",
  "category": "Angular Cursor Rules",
  "rules": [
    {
      "name": "Isolate Unit Tests",
      "description": "Ensure each unit test is independent by avoiding shared state between tests. Use `beforeEach` to set up a fresh instance for each test.",
      "references": [
        "https://peerdh.com/blogs/programming-insights/best-practices-for-testing-reusable-angular-components"
      ]
    },
    {
      "name": "Test Inputs and Outputs",
      "description": "Thoroughly test component inputs and outputs. Verify that components react correctly to different input values and emit the correct events.",
      "references": [
        "https://peerdh.com/blogs/programming-insights/best-practices-for-testing-reusable-angular-components"
      ]
    },
    {
      "name": "Mock Dependencies",
      "description": "Use mocks for services and other dependencies to isolate components during testing, keeping tests focused and faster.",
      "references": [
        "https://peerdh.com/blogs/programming-insights/best-practices-for-testing-reusable-angular-components"
      ]
    },
    {
      "name": "Test User Interactions",
      "description": "Simulate user interactions such as clicks, form submissions, and keyboard events to ensure components behave as expected.",
      "references": [
        "https://peerdh.com/blogs/programming-insights/best-practices-for-testing-reusable-angular-components"
      ]
    },
    {
      "name": "Use Snapshot Testing",
      "description": "For components with complex templates, use snapshot testing to capture the rendered output and compare it in future tests.",
      "references": [
        "https://peerdh.com/blogs/programming-insights/best-practices-for-testing-reusable-angular-components"
      ]
    },
    {
      "name": "Write Descriptive Test Names",
      "description": "Use clear and descriptive names for tests to indicate what they are testing, improving readability and maintainability.",
      "references": [
        "https://peerdh.com/blogs/programming-insights/best-practices-for-testing-reusable-angular-components"
      ]
    },
    {
      "name": "Run Tests Frequently",
      "description": "Run tests frequently to catch issues early, especially when working in a team, to ensure code stability.",
      "references": [
        "https://peerdh.com/blogs/programming-insights/best-practices-for-testing-reusable-angular-components"
      ]
    },
    {
      "name": "Test Component Styles",
      "description": "Verify that components have the correct styles applied by checking for specific classes or styles in the rendered output.",
      "references": [
        "https://peerdh.com/blogs/programming-insights/best-practices-for-testing-reusable-angular-components"
      ]
    },
    {
      "name": "Handle Asynchronous Operations",
      "description": "Use `fakeAsync` and `tick` to simulate the passage of time when testing components that perform asynchronous operations.",
      "references": [
        "https://peerdh.com/blogs/programming-insights/best-practices-for-testing-reusable-angular-components"
      ]
    },
    {
      "name": "Automate Tests",
      "description": "Integrate tests into your CI/CD pipeline to automatically run tests on each code commit, ensuring continuous code quality.",
      "references": [
        "https://pguso.medium.com/angular-unit-testing-essentials-50bcce886a8c"
      ]
    }
  ]
}