feat: add e2e test cursor skill

2026-05-12 09:12:40 +02:00 · 2026-05-04 13:54:13 +05:30 · 2026-05-04 13:54:13 +05:30 · 4ac994792b
commit 4ac994792b
parent 2e1b9b5582
45 changed files with 39848 additions and 0 deletions
--- a/.cursor/skills/playwright-testing/locator-strategy.md
+++ b/.cursor/skills/playwright-testing/locator-strategy.md
@ -0,0 +1,586 @@
+# Choosing a Locator Strategy
+
+> **When to use**: When deciding which Playwright locator method to use for an element
+
+## Quick Answer
+
+Use `getByRole()` for everything that has a semantic HTML role (buttons, links, headings, form fields, dialogs). Fall back to `getByLabel()` for form fields, `getByText()` for plain content, and `getByTestId()` only as a last resort for custom components with no accessible role.
+
+## Decision Flowchart
+
+```
+Start: You need to locate an element
+  |
+  v
+Does the element have a semantic role?
+(button, link, heading, textbox, checkbox, combobox, dialog, img, row, cell, navigation...)
+  |
+  +-- YES --> Use getByRole('role', { name: 'accessible name' })
+  |             |
+  |             +-- Need to narrow scope? Chain from a parent role locator:
+  |                   getByRole('navigation').getByRole('link', { name: '...' })
+  |
+  +-- NO
+       |
+       v
+     Is it a form field with a visible <label>?
+       |
+       +-- YES --> Use getByLabel('label text')
+       |
+       +-- NO
+            |
+            v
+          Is it static text content (paragraph, span, div with text)?
+            |
+            +-- YES --> Use getByText('text content')
+            |             Prefer { exact: true } when text is short or common
+            |
+            +-- NO
+                 |
+                 v
+               Does it have a placeholder?
+                 |
+                 +-- YES --> Use getByPlaceholder('placeholder text')
+                 |             (Less preferred -- placeholders disappear on input)
+                 |
+                 +-- NO
+                      |
+                      v
+                    Does it have a title attribute or alt text?
+                      |
+                      +-- YES --> Use getByTitle('...') or getByAltText('...')
+                      |
+                      +-- NO
+                           |
+                           v
+                         Add data-testid="..." to the markup
+                         Use getByTestId('identifier')
+                         |
+                         +--> NEVER fall back to CSS selectors or XPath.
+                              Fix the markup instead.
+```
+
+## Decision Matrix
+
+| Element Type | Recommended Locator | Fallback | Example |
+|---|---|---|---|
+| Button | `getByRole('button', { name })` | `getByText()` if role missing | `getByRole('button', { name: 'Submit' })` |
+| Link | `getByRole('link', { name })` | `getByText()` for anchor text | `getByRole('link', { name: 'Sign up' })` |
+| Text input | `getByLabel('...')` | `getByRole('textbox', { name })` | `getByLabel('Email address')` |
+| Checkbox | `getByRole('checkbox', { name })` | `getByLabel()` | `getByRole('checkbox', { name: 'Accept terms' })` |
+| Radio button | `getByRole('radio', { name })` | `getByLabel()` | `getByRole('radio', { name: 'Express shipping' })` |
+| Dropdown / Select | `getByRole('combobox', { name })` | `getByLabel()` | `getByLabel('Country')` |
+| Heading | `getByRole('heading', { name, level })` | `getByText()` | `getByRole('heading', { name: 'Dashboard', level: 1 })` |
+| Nav link | chain: `getByRole('navigation').getByRole('link', { name })` | scope with `locator('nav')` | see detailed example below |
+| Table cell | chain: `getByRole('row').filter().getByRole('cell')` | `locator('td')` scoped | see detailed example below |
+| Image | `getByRole('img', { name })` | `getByAltText()` | `getByRole('img', { name: 'Company logo' })` |
+| Modal / Dialog | `getByRole('dialog')` then chain within | `locator('[role="dialog"]')` | `getByRole('dialog').getByRole('button', { name: 'Confirm' })` |
+| Dynamic list item | `.filter({ hasText })` or `.filter({ has })` | `nth()` as last resort | `getByRole('listitem').filter({ hasText: 'Milk' })` |
+| Custom component | `getByTestId('...')` | Add `data-testid` to markup | `getByTestId('color-picker')` |
+
+## Detailed Analysis
+
+### Tier 1: `getByRole()` -- Use by Default
+
+The strongest locator. It mirrors how assistive technology and real users perceive the page.
+
+**Pros**
+- Resilient to markup refactors (class names, tag changes)
+- Enforces accessible markup -- if the locator breaks, your accessibility broke too
+- Works across frameworks (React, Vue, Angular, plain HTML)
+- Supports filtering by `name`, `level`, `checked`, `pressed`, `expanded`, `selected`
+
+**Cons**
+- Requires the element to have a valid ARIA role (implicit or explicit)
+- Can match multiple elements when names are duplicated -- scope with chaining
+
+**When it fails**: Custom components with `<div>` soup and no ARIA roles. Fix the component first; add `getByTestId()` only if you cannot change the markup.
+
+---
+
+### Tier 2: `getByLabel()` -- Form Fields
+
+Queries by the associated `<label>` text. This is often the most readable locator for form fields.
+
+**Pros**
+- Extremely readable: `getByLabel('Password')` tells you exactly what field
+- Works with `<label for="...">`, wrapping `<label>`, and `aria-labelledby`
+
+**Cons**
+- Only works for form elements with labels
+- Breaks if someone changes label text (but that is usually intentional)
+
+**Use over `getByRole('textbox')`** when the label text is clear and unique. Use `getByRole()` when you need to differentiate between multiple fields with similar labels by role type.
+
+---
+
+### Tier 3: `getByText()` -- Static Content
+
+Finds elements by their visible text content.
+
+**Pros**
+- Intuitive for non-interactive text (paragraphs, spans, badges, status messages)
+- Supports exact and substring matching
+
+**Cons**
+- Fragile if text is dynamic, translated, or duplicated
+- Can match parent elements unintentionally -- use `{ exact: true }` or scope the query
+
+**Rule of thumb**: Use `getByText()` for assertions and content verification, not for interactive elements. Interactive elements should use `getByRole()`.
+
+---
+
+### Tier 4: `getByPlaceholder()` -- Inputs Without Labels
+
+Locates by placeholder attribute value.
+
+**Pros**
+- Works when labels are missing (search bars, minimal UIs)
+
+**Cons**
+- Placeholders disappear when the user types -- poor UX foundation
+- Signals missing accessibility (no label)
+
+**Treat as a yellow flag**: If you use this, consider filing a ticket to add a proper label.
+
+---
+
+### Tier 5: `getByTestId()` -- Last Resort
+
+Locates by `data-testid` attribute.
+
+**Pros**
+- Fully decoupled from user-facing text and structure
+- Stable under UI redesigns
+
+**Cons**
+- Invisible to users and assistive technology
+- Pollutes production markup (unless stripped in build)
+- Tells you nothing about what the element looks like or does
+
+**Use only when**: The component has no semantic role, no label, no text, and you cannot change the markup. Common cases: canvas elements, third-party widgets, complex custom components.
+
+---
+
+### Never Use: Raw CSS Selectors or XPath
+
+```
+// DO NOT do this
+page.locator('.btn-primary');           // class names change
+page.locator('#submit-btn');            // IDs are brittle
+page.locator('div > span:nth-child(2)'); // structure changes break this
+page.locator('xpath=//div[@class="foo"]'); // unreadable, fragile
+```
+
+If you are reaching for a CSS selector, stop. Walk back up the flowchart and find a semantic locator. If none exists, add `data-testid`.
+
+## Real-World Examples
+
+### 1. Buttons
+
+```typescript
+// TypeScript
+// Standard button
+await page.getByRole('button', { name: 'Submit' }).click();
+
+// Icon-only button (uses aria-label)
+await page.getByRole('button', { name: 'Close' }).click();
+
+// Button inside a specific section
+await page.getByRole('region', { name: 'Billing' })
+  .getByRole('button', { name: 'Update' }).click();
+```
+
+```javascript
+// JavaScript
+// Standard button
+await page.getByRole('button', { name: 'Submit' }).click();
+
+// Icon-only button (uses aria-label)
+await page.getByRole('button', { name: 'Close' }).click();
+
+// Button inside a specific section
+await page.getByRole('region', { name: 'Billing' })
+  .getByRole('button', { name: 'Update' }).click();
+```
+
+---
+
+### 2. Links
+
+```typescript
+// TypeScript
+// Standard link
+await page.getByRole('link', { name: 'Sign up' }).click();
+
+// Link inside navigation
+await page.getByRole('navigation')
+  .getByRole('link', { name: 'Pricing' }).click();
+
+// Link with exact match (avoid partial hits)
+await page.getByRole('link', { name: 'Log in', exact: true }).click();
+```
+
+```javascript
+// JavaScript
+await page.getByRole('link', { name: 'Sign up' }).click();
+
+await page.getByRole('navigation')
+  .getByRole('link', { name: 'Pricing' }).click();
+
+await page.getByRole('link', { name: 'Log in', exact: true }).click();
+```
+
+---
+
+### 3. Text Inputs
+
+```typescript
+// TypeScript
+// Input with a visible label -- preferred
+await page.getByLabel('Email address').fill('user@example.com');
+
+// When multiple textboxes exist and you need role specificity
+await page.getByRole('textbox', { name: 'Email address' }).fill('user@example.com');
+
+// Textarea
+await page.getByLabel('Message').fill('Hello, world');
+
+// Search input (role = searchbox)
+await page.getByRole('searchbox', { name: 'Search' }).fill('playwright');
+```
+
+```javascript
+// JavaScript
+await page.getByLabel('Email address').fill('user@example.com');
+
+await page.getByRole('textbox', { name: 'Email address' }).fill('user@example.com');
+
+await page.getByLabel('Message').fill('Hello, world');
+
+await page.getByRole('searchbox', { name: 'Search' }).fill('playwright');
+```
+
+---
+
+### 4. Checkboxes and Radios
+
+```typescript
+// TypeScript
+// Checkbox
+await page.getByRole('checkbox', { name: 'Accept terms' }).check();
+
+// Verify checked state
+await expect(page.getByRole('checkbox', { name: 'Accept terms' })).toBeChecked();
+
+// Radio button
+await page.getByRole('radio', { name: 'Express shipping' }).check();
+
+// Radio within a group (fieldset with legend)
+await page.getByRole('group', { name: 'Shipping method' })
+  .getByRole('radio', { name: 'Express' }).check();
+```
+
+```javascript
+// JavaScript
+await page.getByRole('checkbox', { name: 'Accept terms' }).check();
+
+await expect(page.getByRole('checkbox', { name: 'Accept terms' })).toBeChecked();
+
+await page.getByRole('radio', { name: 'Express shipping' }).check();
+
+await page.getByRole('group', { name: 'Shipping method' })
+  .getByRole('radio', { name: 'Express' }).check();
+```
+
+---
+
+### 5. Dropdowns and Selects
+
+```typescript
+// TypeScript
+// Native <select> element
+await page.getByLabel('Country').selectOption('Canada');
+
+// Custom combobox (ARIA combobox role)
+await page.getByRole('combobox', { name: 'Country' }).click();
+await page.getByRole('option', { name: 'Canada' }).click();
+
+// Listbox pattern
+await page.getByRole('combobox', { name: 'Font size' }).click();
+await page.getByRole('listbox').getByRole('option', { name: '16px' }).click();
+```
+
+```javascript
+// JavaScript
+await page.getByLabel('Country').selectOption('Canada');
+
+await page.getByRole('combobox', { name: 'Country' }).click();
+await page.getByRole('option', { name: 'Canada' }).click();
+
+await page.getByRole('combobox', { name: 'Font size' }).click();
+await page.getByRole('listbox').getByRole('option', { name: '16px' }).click();
+```
+
+---
+
+### 6. Headings
+
+```typescript
+// TypeScript
+// Specific heading level
+await expect(page.getByRole('heading', { name: 'Dashboard', level: 1 })).toBeVisible();
+
+// Any heading with that name (when level does not matter)
+await expect(page.getByRole('heading', { name: 'Recent activity' })).toBeVisible();
+
+// Heading within a section
+await page.getByRole('region', { name: 'Sidebar' })
+  .getByRole('heading', { name: 'Categories' });
+```
+
+```javascript
+// JavaScript
+await expect(page.getByRole('heading', { name: 'Dashboard', level: 1 })).toBeVisible();
+
+await expect(page.getByRole('heading', { name: 'Recent activity' })).toBeVisible();
+
+await page.getByRole('region', { name: 'Sidebar' })
+  .getByRole('heading', { name: 'Categories' });
+```
+
+---
+
+### 7. Navigation Items
+
+```typescript
+// TypeScript
+// Link inside the main nav
+await page.getByRole('navigation')
+  .getByRole('link', { name: 'Pricing' }).click();
+
+// When there are multiple navs, narrow by aria-label
+await page.getByRole('navigation', { name: 'Main menu' })
+  .getByRole('link', { name: 'Pricing' }).click();
+
+// Breadcrumb navigation
+await page.getByRole('navigation', { name: 'Breadcrumb' })
+  .getByRole('link', { name: 'Products' }).click();
+```
+
+```javascript
+// JavaScript
+await page.getByRole('navigation')
+  .getByRole('link', { name: 'Pricing' }).click();
+
+await page.getByRole('navigation', { name: 'Main menu' })
+  .getByRole('link', { name: 'Pricing' }).click();
+
+await page.getByRole('navigation', { name: 'Breadcrumb' })
+  .getByRole('link', { name: 'Products' }).click();
+```
+
+---
+
+### 8. Table Cells
+
+```typescript
+// TypeScript
+// Find a cell in a specific row
+await page.getByRole('row', { name: /Jane Smith/ })
+  .getByRole('cell', { name: '$120.00' });
+
+// Click an action button in a specific row
+await page.getByRole('row', { name: /Jane Smith/ })
+  .getByRole('button', { name: 'Edit' }).click();
+
+// Filter rows using .filter() for complex matching
+const row = page.getByRole('row').filter({ hasText: 'Pending' });
+await row.getByRole('button', { name: 'Approve' }).click();
+
+// Verify table header exists
+await expect(page.getByRole('columnheader', { name: 'Status' })).toBeVisible();
+```
+
+```javascript
+// JavaScript
+await page.getByRole('row', { name: /Jane Smith/ })
+  .getByRole('cell', { name: '$120.00' });
+
+await page.getByRole('row', { name: /Jane Smith/ })
+  .getByRole('button', { name: 'Edit' }).click();
+
+const row = page.getByRole('row').filter({ hasText: 'Pending' });
+await row.getByRole('button', { name: 'Approve' }).click();
+
+await expect(page.getByRole('columnheader', { name: 'Status' })).toBeVisible();
+```
+
+---
+
+### 9. Images
+
+```typescript
+// TypeScript
+// Image with alt text
+await expect(page.getByRole('img', { name: 'Company logo' })).toBeVisible();
+
+// Alternative: getByAltText (same result, less preferred)
+await expect(page.getByAltText('Company logo')).toBeVisible();
+
+// Avatar image inside a card
+await page.locator('article').filter({ hasText: 'Jane Smith' })
+  .getByRole('img', { name: "Jane Smith's avatar" });
+```
+
+```javascript
+// JavaScript
+await expect(page.getByRole('img', { name: 'Company logo' })).toBeVisible();
+
+await expect(page.getByAltText('Company logo')).toBeVisible();
+
+await page.locator('article').filter({ hasText: 'Jane Smith' })
+  .getByRole('img', { name: "Jane Smith's avatar" });
+```
+
+---
+
+### 10. Custom Components (No ARIA Role)
+
+```typescript
+// TypeScript
+// Third-party color picker with no semantic role
+await page.getByTestId('color-picker').click();
+
+// Custom drag-and-drop zone
+await page.getByTestId('drop-zone').dispatchEvent('drop', { dataTransfer });
+
+// Canvas-based chart
+const chart = page.getByTestId('revenue-chart');
+await expect(chart).toBeVisible();
+```
+
+```javascript
+// JavaScript
+await page.getByTestId('color-picker').click();
+
+await page.getByTestId('drop-zone').dispatchEvent('drop', { dataTransfer });
+
+const chart = page.getByTestId('revenue-chart');
+await expect(chart).toBeVisible();
+```
+
+**Before reaching for `getByTestId`, ask yourself**: Can I add `role` and `aria-label` to this component instead? If yes, do that and use `getByRole()`.
+
+---
+
+### 11. Dynamic Lists
+
+```typescript
+// TypeScript
+// Filter a list item by text
+const item = page.getByRole('listitem').filter({ hasText: 'Milk' });
+await item.getByRole('button', { name: 'Remove' }).click();
+
+// Filter by a child locator
+const card = page.locator('.product-card').filter({
+  has: page.getByText('Out of stock'),
+});
+await expect(card).toHaveCount(3);
+
+// Count items in a list
+await expect(page.getByRole('listitem')).toHaveCount(5);
+
+// Iterate over list items for complex assertions
+for (const item of await page.getByRole('listitem').all()) {
+  await expect(item).toContainText('$');
+}
+```
+
+```javascript
+// JavaScript
+const item = page.getByRole('listitem').filter({ hasText: 'Milk' });
+await item.getByRole('button', { name: 'Remove' }).click();
+
+const card = page.locator('.product-card').filter({
+  has: page.getByText('Out of stock'),
+});
+await expect(card).toHaveCount(3);
+
+await expect(page.getByRole('listitem')).toHaveCount(5);
+
+for (const item of await page.getByRole('listitem').all()) {
+  await expect(item).toContainText('$');
+}
+```
+
+---
+
+### 12. Modals and Dialogs
+
+```typescript
+// TypeScript
+// Wait for dialog to appear, then interact within it
+const dialog = page.getByRole('dialog', { name: 'Confirm deletion' });
+await expect(dialog).toBeVisible();
+await dialog.getByRole('button', { name: 'Delete' }).click();
+
+// Fill a form inside a dialog
+const modal = page.getByRole('dialog', { name: 'Edit profile' });
+await modal.getByLabel('Display name').fill('Jane');
+await modal.getByRole('button', { name: 'Save' }).click();
+
+// Verify dialog closed
+await expect(dialog).toBeHidden();
+```
+
+```javascript
+// JavaScript
+const dialog = page.getByRole('dialog', { name: 'Confirm deletion' });
+await expect(dialog).toBeVisible();
+await dialog.getByRole('button', { name: 'Delete' }).click();
+
+const modal = page.getByRole('dialog', { name: 'Edit profile' });
+await modal.getByLabel('Display name').fill('Jane');
+await modal.getByRole('button', { name: 'Save' }).click();
+
+await expect(dialog).toBeHidden();
+```
+
+## Anti-Patterns to Avoid
+
+| Anti-Pattern | Why It Fails | Use Instead |
+|---|---|---|
+| `page.locator('.btn-primary')` | Class names change during refactors and redesigns | `getByRole('button', { name: '...' })` |
+| `page.locator('#email-input')` | IDs are implementation details, not user-visible | `getByLabel('Email')` |
+| `page.locator('div > form > input:first-child')` | Any structural change breaks the selector | `getByLabel('...')` or `getByRole('textbox', { name: '...' })` |
+| `page.locator('[data-testid="submit"]')` | Raw CSS for test IDs -- use the built-in method | `getByTestId('submit')` |
+| `page.getByText('Submit')` for a button | Matches any element with that text, not just the button | `getByRole('button', { name: 'Submit' })` |
+| `page.locator('button').nth(2)` | Index-based -- breaks when order changes | `getByRole('button', { name: '...' })` |
+
+## Scoping Strategy: When Multiple Elements Match
+
+When a locator matches more than one element, narrow scope rather than using `nth()`:
+
+```typescript
+// BAD: fragile index
+page.getByRole('button', { name: 'Edit' }).nth(0);
+
+// GOOD: scope to a parent section
+page.getByRole('region', { name: 'Billing' })
+  .getByRole('button', { name: 'Edit' });
+
+// GOOD: scope to a table row
+page.getByRole('row', { name: /Order #1234/ })
+  .getByRole('button', { name: 'Edit' });
+
+// GOOD: scope with filter
+page.locator('article').filter({ hasText: 'Draft' })
+  .getByRole('button', { name: 'Edit' });
+```
+
+## Related
+
+- [Playwright Locators documentation](https://playwright.dev/docs/locators)
+- [Playwright Best Practices](https://playwright.dev/docs/best-practices)
+- [ARIA Roles reference (MDN)](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Roles)