Test ButtonLoading

[hardingjam]

Motivation

Solution

Checks

By submitting this for review, I'm confirming I've done the following:

• made this PR as small as possible
• unit-tested any new functionality
• linked any relevant issues or PRs
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Summary by CodeRabbit

• Tests

  • Added new tests to verify the loading state and spinner visibility for the loading button component.

• Refactor

  • Improved testability of the loading button by adding a test identifier to the spinner element.

[coderabbitai]

Walkthrough

A new test suite for the ButtonLoading Svelte component has been added to validate its conditional rendering and disabled state based on the loading prop. To facilitate these tests, the ButtonLoading.svelte component was updated to add a data-testid="spinner" attribute to its spinner element when loading is true. No changes were made to the component's logic or public API.

Changes

File(s)	Change Summary
packages/ui-components/src/tests/ButtonLoading.test.ts	Added a test suite for ButtonLoading covering spinner rendering and button disabled state.
packages/ui-components/src/lib/components/ButtonLoading.svelte	Added data-testid="spinner" to the spinner element when loading is true for test identification.

Sequence Diagram(s)

sequenceDiagram
    participant TestSuite
    participant ButtonLoading
    participant Spinner

    TestSuite->>ButtonLoading: Render with loading=true
    ButtonLoading->>Spinner: Render with data-testid="spinner"
    TestSuite->>ButtonLoading: Check if button is disabled
    TestSuite->>ButtonLoading: Render with loading=false
    ButtonLoading-->>Spinner: Spinner not rendered
    TestSuite->>ButtonLoading: Check if spinner is absent

Loading

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Actionable comments posted: 2

📜 Review details

Configuration used: CodeRabbit UI
Review profile: ASSERTIVE
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between e02197d and f212c43.

📒 Files selected for processing (2)

• packages/ui-components/src/__tests__/ButtonLoading.test.ts (1 hunks)
• packages/ui-components/src/lib/components/ButtonLoading.svelte (1 hunks)

🔇 Additional comments (2)

packages/ui-components/src/lib/components/ButtonLoading.svelte (1)

10-10: Good addition of test ID for testability.

Adding the data-testid="spinner" attribute improves component testability by providing a reliable selector for the spinner element in tests. This pattern follows best practices for component testing.

packages/ui-components/src/__tests__/ButtonLoading.test.ts (1)

1-27: Well-structured test suite with good coverage.

The test suite comprehensively covers the key functionality of the ButtonLoading component:

1. Presence of spinner when loading
2. Button disabled state during loading
3. Absence of spinner when not loading

The tests are clear, concise, and follow testing best practices by using appropriate Testing Library methods.