test(picker, picker-column): migrate to generators (#27352)

Issue number: N/A

---------

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## What is the current behavior?
<!-- Please describe the current behavior that you are modifying. -->

Picker and picker column tests use legacy syntax

## What is the new behavior?
<!-- Please describe the behavior or changes that are being added by
this PR. -->

- Picker and picker column tests use generator syntax

## Does this introduce a breaking change?

- [ ] Yes
- [x] No

<!-- If this introduces a breaking change, please describe the impact
and migration path for existing applications below. -->


## Other information

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screenshots of how the component looks before and after the change. -->

core/src/components/picker-column/test/standalone/picker-column.e2e.ts

@@ -0,0 +1,22 @@
+import { configs, test } from '@utils/test/playwright';
+
+import { testPickerColumn } from '../test.utils';
+
+configs().forEach(({ title, screenshot, config }) => {
+  test.describe(title('picker-column'), () => {
+    test.beforeEach(async ({ page }) => {
+      await page.goto('/src/components/picker-column/test/standalone', config);
+    });
+    test.describe('single column', () => {
+      test('should not have any visual regressions', async ({ page }) => {
+        await testPickerColumn(page, screenshot, '#single-column-button', 'single');
+      });
+    });
+
+    test.describe('multiple columns', () => {
+      test('should not have any visual regressions', async ({ page }) => {
+        await testPickerColumn(page, screenshot, '#multiple-column-button', 'multiple');
+      });
+    });
+  });
+});

core/src/components/picker-column/test/test.utils.ts

@@ -1,21 +1,27 @@
 import { expect } from '@playwright/test';
-import type { E2EPage } from '@utils/test/playwright';
+import type { E2EPage, ScreenshotFn } from '@utils/test/playwright';
 
 /**
  * Visual regression tests for picker-column.
  * @param page - The page to run the tests on.
+ * @param screenshot - The screenshot function to generate unique screenshot names
  * @param buttonSelector - The selector for the button that opens the picker.
  * @param description - The description to amend to the screenshot names (typically 'single' or 'multiple').
  */
-export async function testPickerColumn(page: E2EPage, buttonSelector: string, description: string) {
+export async function testPickerColumn(
+  page: E2EPage,
+  screenshot: ScreenshotFn,
+  buttonSelector: string,
+  description: string
+) {
   const ionPickerDidPresentSpy = await page.spyOnEvent('ionPickerDidPresent');
 
   await page.click(buttonSelector);
   await ionPickerDidPresentSpy.next();
 
   await page.waitForChanges();
 
-  await expect(page).toHaveScreenshot(`picker-${description}-column-initial-${page.getSnapshotSettings()}.png`);
+  await expect(page).toHaveScreenshot(screenshot(`picker-${description}-column-initial`));
 
   // TODO FW-3403
   /*

core/src/components/picker/test/basic/picker.e2e.ts

@@ -0,0 +1,28 @@
+import { expect } from '@playwright/test';
+import { configs, test } from '@utils/test/playwright';
+
+configs().forEach(({ title, screenshot, config }) => {
+  test.describe(title('picker: basic'), () => {
+    test('should not have visual regressions', async ({ page }) => {
+      await page.goto('/src/components/picker/test/basic', config);
+      const didPresent = await page.spyOnEvent('ionPickerDidPresent');
+      const didDismiss = await page.spyOnEvent('ionPickerDidDismiss');
+
+      await page.click('#basic');
+      await didPresent.next();
+      await page.waitForChanges();
+
+      await expect(page).toHaveScreenshot(screenshot(`picker-basic`));
+
+      await page.click('.picker-opt:nth-child(2)');
+      await page.click('ion-picker .save-btn');
+      await didDismiss.next();
+
+      await page.click('#basic');
+      await didPresent.next();
+      await page.waitForChanges();
+
+      await expect(page).toHaveScreenshot(screenshot(`picker-value-selected`));
+    });
+  });
+});

core/src/components/picker/test/is-open/picker.e2e.ts

@@ -0,0 +1,37 @@
+import { expect } from '@playwright/test';
+import { configs, test } from '@utils/test/playwright';
+
+/**
+ * This behavior does not vary across modes/directions.
+ */
+configs({ modes: ['ios'], directions: ['ltr'] }).forEach(({ title, config }) => {
+  test.describe(title('picker: isOpen'), () => {
+    test.beforeEach(async ({ page }) => {
+      await page.goto('/src/components/picker/test/is-open', config);
+    });
+
+    test('should open the picker', async ({ page }) => {
+      const ionPickerDidPresent = await page.spyOnEvent('ionPickerDidPresent');
+      const picker = page.locator('ion-picker');
+
+      await page.click('#default');
+
+      await ionPickerDidPresent.next();
+      await expect(picker).toBeVisible();
+    });
+
+    test('should open the picker then close after a timeout', async ({ page }) => {
+      const ionPickerDidPresent = await page.spyOnEvent('ionPickerDidPresent');
+      const ionPickerDidDismiss = await page.spyOnEvent('ionPickerDidDismiss');
+      const picker = page.locator('ion-picker');
+
+      await page.click('#timeout');
+
+      await ionPickerDidPresent.next();
+      await expect(picker).toBeVisible();
+
+      await ionPickerDidDismiss.next();
+      await expect(picker).toBeHidden();
+    });
+  });
+});

core/src/components/picker/test/trigger/picker.e2e.ts

@@ -0,0 +1,38 @@
+import { expect } from '@playwright/test';
+import { configs, test } from '@utils/test/playwright';
+
+/**
+ * This behavior does not vary across modes/directions.
+ */
+configs({ modes: ['ios'], directions: ['ltr'] }).forEach(({ title, config }) => {
+  test.describe(title('picker: trigger'), () => {
+    test.beforeEach(async ({ page }) => {
+      await page.goto('/src/components/picker/test/trigger', config);
+    });
+
+    test('should open the picker', async ({ page }) => {
+      const ionPickerDidPresent = await page.spyOnEvent('ionPickerDidPresent');
+      const picker = page.locator('#default-picker');
+
+      await page.click('#default');
+
+      await ionPickerDidPresent.next();
+      await expect(picker).toBeVisible();
+    });
+
+    test('should present a previously presented picker', async ({ page }) => {
+      const ionPickerDidPresent = await page.spyOnEvent('ionPickerDidPresent');
+      const ionPickerDidDismiss = await page.spyOnEvent('ionPickerDidDismiss');
+      const picker = page.locator('#timeout-picker');
+
+      await page.click('#timeout');
+
+      await ionPickerDidDismiss.next();
+
+      await page.click('#timeout');
+
+      await ionPickerDidPresent.next();
+      await expect(picker).toBeVisible();
+    });
+  });
+});