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General: Update client tests documentation #9913

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@JohannesWt JohannesWt commented Nov 29, 2024

Checklist

General

Client

  • Important: I implemented the changes with a very good performance, prevented too many (unnecessary) REST calls and made sure the UI is responsive, even with large data (e.g. using paging).
  • I strictly followed the client coding and design guidelines.
  • I documented the TypeScript code using JSDoc style.

Motivation and Context

Regarding the Client Migration Process the client test documentation should also be updated.

Description

This PR updates the client tests documentation to the newest Angular standards.
Updated documentation page

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Review Progress

Code Review

  • Code Review 1
  • Code Review 2

Summary by CodeRabbit

  • Documentation
    • Updated guidelines for client testing practices using Jest in Angular.
    • Enhanced clarity on asynchronous module configuration and best practices for component isolation.
    • Revised HTTP testing recommendations to align with the latest Angular standards.
    • Expanded guidelines on naming conventions and verification functions for improved error messaging.

@JohannesWt JohannesWt self-assigned this Nov 29, 2024
@JohannesWt JohannesWt marked this pull request as ready for review November 29, 2024 22:46
@JohannesWt JohannesWt requested a review from a team as a code owner November 29, 2024 22:46
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coderabbitai bot commented Nov 29, 2024

Walkthrough

The changes in this pull request focus on enhancing the client-tests.rst documentation to improve client testing practices using Jest in Angular. Key updates include the use of await in the beforeEach setup, removal of .then() chaining, and revisions to examples of testing practices. The document now recommends using provideHttpClient() and provideHttpClientTesting() for HTTP testing, along with guidelines for naming conventions and error message verification. These modifications aim to streamline the testing process and promote best practices.

Changes

File Path Change Summary
docs/dev/guidelines/client-tests.rst Updated to improve clarity and efficiency of client testing practices. Introduced await in beforeEach, removed .then() chaining, revised examples of good/bad practices, and replaced HttpClientTestingModule with provideHttpClient() and provideHttpClientTesting(). Added recommendations for naming conventions and verification functions.

Possibly related PRs

Suggested labels

small, ready to merge

Suggested reviewers

  • SimonEntholzer
  • florian-glombik
  • muradium
  • krusche

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Actionable comments posted: 0

🧹 Outside diff range and nitpick comments (3)
docs/dev/guidelines/client-tests.rst (3)

62-79: Consider enhancing the "bad practice" example explanation.

While the example effectively demonstrates performance issues, consider adding explicit warnings about:

  • Why ArtemisTestModule should be avoided in component tests
  • The impact of importing production modules on test isolation

159-168: Consider adding context for HTTP testing changes.

While the updated HTTP testing example correctly uses modern Angular providers, consider adding:

  • Why provideHttpClient() is preferred over HttpClientTestingModule
  • Benefits of the new approach

228-238: Consider enhancing the template override warning.

While the example clearly shows what not to do, consider adding:

  • Why testing with the actual template is important
  • Common issues that arise from template overrides
  • Alternative approaches for template-related testing challenges
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📥 Commits

Reviewing files that changed from the base of the PR and between 9270bc0 and c0d109f.

📒 Files selected for processing (1)
  • docs/dev/guidelines/client-tests.rst (7 hunks)
🔇 Additional comments (3)
docs/dev/guidelines/client-tests.rst (3)

Line range hint 22-36: LGTM! Clear and modern test setup example.

The updated TestBed configuration example demonstrates best practices by:

  • Using async/await pattern for better readability
  • Properly structuring component initialization
  • Following Angular's recommended testing patterns

Line range hint 97-117: LGTM! Excellent demonstration of test optimization.

The example effectively shows:

  • Proper use of mock components and testing modules
  • Significant performance improvements (25x faster)
  • Clear separation of concerns

Line range hint 1-368: LGTM! Comprehensive and well-structured documentation update.

The documentation successfully:

  • Aligns with modern Angular testing practices
  • Provides clear examples of best practices and anti-patterns
  • Includes practical performance considerations
  • Offers specific guidance for common testing scenarios

@@ -19,9 +19,8 @@ The most basic test looks similar to this:
let someComponent: SomeComponent;

beforeEach(() => {
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Suggested change
beforeEach(() => {
beforeEach(async () => {

I guess this is required now due to the await TestBed.…?

@@ -61,23 +59,24 @@ Some guidelines:
...

beforeEach(() => {
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Suggested change
beforeEach(() => {
beforeEach(async () => {

@@ -95,9 +94,11 @@ Some guidelines:
...

beforeEach(() => {
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Suggested change
beforeEach(() => {
beforeEach(async () => {

@@ -222,20 +225,17 @@ Some guidelines:
let someComponent: SomeComponent;

beforeEach(() => {
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Suggested change
beforeEach(() => {
beforeEach(async () => {

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