test(img): migrate to generators (#27319)

Issue number: N/A

---------

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

Img tests use legacy syntax

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

- Img tests use modern syntax

## Does this introduce a breaking change?

- [ ] Yes
- [x] No

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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/img/test/basic/img.e2e-legacy.ts

@@ -1,95 +0,0 @@
-import { expect } from '@playwright/test';
-import type { EventSpy } from '@utils/test/playwright';
-import { test } from '@utils/test/playwright';
-
-test.describe('img: basic', () => {
-  test.beforeEach(({ skip }) => {
-    skip.rtl();
-    skip.mode('ios');
-  });
-
-  // TODO FW-3596
-  test.describe.skip('image successfully loads', () => {
-    let ionImgWillLoad: EventSpy;
-    let ionImgDidLoad: EventSpy;
-
-    test.beforeEach(async ({ page }) => {
-      await page.route('**/*', (route) => {
-        if (route.request().resourceType() === 'image') {
-          return route.fulfill({
-            status: 200,
-            contentType: 'image/png',
-            body: Buffer.from(
-              'iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mP8z8BQDwAEhQGAhKmMIwAAAABJRU5ErkJggg==',
-              'base64'
-            ),
-          });
-        }
-        return route.continue();
-      });
-
-      /**
-       * We render the img intentionally without providing a source,
-       * to allow the event spies to be set-up before the events
-       * can be emitted.
-       *
-       * Later we will assign an image source to load.
-       */
-      await page.setContent('<ion-img></ion-img>');
-
-      ionImgDidLoad = await page.spyOnEvent('ionImgDidLoad');
-      ionImgWillLoad = await page.spyOnEvent('ionImgWillLoad');
-
-      const ionImg = page.locator('ion-img');
-      await ionImg.evaluate((el: HTMLIonImgElement) => {
-        el.src = 'https://via.placeholder.com/150';
-        return el;
-      });
-    });
-
-    test('should emit ionImgWillLoad', async () => {
-      await ionImgWillLoad.next();
-
-      expect(ionImgWillLoad).toHaveReceivedEventTimes(1);
-    });
-
-    test('should emit ionImgDidLoad', async () => {
-      await ionImgDidLoad.next();
-
-      expect(ionImgWillLoad).toHaveReceivedEventTimes(1);
-    });
-  });
-
-  test.describe('image fails to load', () => {
-    let ionError: EventSpy;
-
-    test.beforeEach(async ({ page }) => {
-      await page.route('**/*', (route) =>
-        route.request().resourceType() === 'image' ? route.abort() : route.continue()
-      );
-
-      /**
-       * We render the img intentionally without providing a source,
-       * to allow the event spies to be set-up before the events
-       * can be emitted.
-       *
-       * Later we will assign an image source to load.
-       */
-      await page.setContent('<ion-img></ion-img>');
-
-      ionError = await page.spyOnEvent('ionError');
-
-      const ionImg = page.locator('ion-img');
-      await ionImg.evaluate((el: HTMLIonImgElement) => {
-        el.src = 'https://via.placeholder.com/150';
-        return el;
-      });
-    });
-
-    test('should emit ionError', async () => {
-      await ionError.next();
-
-      expect(ionError).toHaveReceivedEventTimes(1);
-    });
-  });
-});

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

@@ -0,0 +1,92 @@
+import { expect } from '@playwright/test';
+import type { EventSpy } from '@utils/test/playwright';
+import { configs, test } from '@utils/test/playwright';
+
+configs({ modes: ['md'], directions: ['ltr'] }).forEach(({ title, config }) => {
+  test.describe(title('img: basic'), () => {
+    // TODO FW-3596
+    test.describe.skip('image successfully loads', () => {
+      let ionImgWillLoad: EventSpy;
+      let ionImgDidLoad: EventSpy;
+
+      test.beforeEach(async ({ page }) => {
+        await page.route('**/*', (route) => {
+          if (route.request().resourceType() === 'image') {
+            return route.fulfill({
+              status: 200,
+              contentType: 'image/png',
+              body: Buffer.from(
+                'iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mP8z8BQDwAEhQGAhKmMIwAAAABJRU5ErkJggg==',
+                'base64'
+              ),
+            });
+          }
+          return route.continue();
+        });
+
+        /**
+         * We render the img intentionally without providing a source,
+         * to allow the event spies to be set-up before the events
+         * can be emitted.
+         *
+         * Later we will assign an image source to load.
+         */
+        await page.setContent('<ion-img></ion-img>', config);
+
+        ionImgDidLoad = await page.spyOnEvent('ionImgDidLoad');
+        ionImgWillLoad = await page.spyOnEvent('ionImgWillLoad');
+
+        const ionImg = page.locator('ion-img');
+        await ionImg.evaluate((el: HTMLIonImgElement) => {
+          el.src = 'https://via.placeholder.com/150';
+          return el;
+        });
+      });
+
+      test('should emit ionImgWillLoad', async () => {
+        await ionImgWillLoad.next();
+
+        expect(ionImgWillLoad).toHaveReceivedEventTimes(1);
+      });
+
+      test('should emit ionImgDidLoad', async () => {
+        await ionImgDidLoad.next();
+
+        expect(ionImgWillLoad).toHaveReceivedEventTimes(1);
+      });
+    });
+
+    test.describe('image fails to load', () => {
+      let ionError: EventSpy;
+
+      test.beforeEach(async ({ page }) => {
+        await page.route('**/*', (route) =>
+          route.request().resourceType() === 'image' ? route.abort() : route.continue()
+        );
+
+        /**
+         * We render the img intentionally without providing a source,
+         * to allow the event spies to be set-up before the events
+         * can be emitted.
+         *
+         * Later we will assign an image source to load.
+         */
+        await page.setContent('<ion-img></ion-img>', config);
+
+        ionError = await page.spyOnEvent('ionError');
+
+        const ionImg = page.locator('ion-img');
+        await ionImg.evaluate((el: HTMLIonImgElement) => {
+          el.src = 'https://via.placeholder.com/150';
+          return el;
+        });
+      });
+
+      test('should emit ionError', async () => {
+        await ionError.next();
+
+        expect(ionError).toHaveReceivedEventTimes(1);
+      });
+    });
+  });
+});

core/src/components/img/test/draggable/img.e2e-legacy.ts

@@ -1,17 +0,0 @@
-import { expect } from '@playwright/test';
-import { test } from '@utils/test/playwright';
-
-test.describe('img: draggable', () => {
-  test('should correctly set draggable attribute on inner img element', async ({ page }) => {
-    await page.goto('/src/components/img/test/draggable');
-
-    const imgDraggableTrue = page.locator('#img-draggable-true img');
-    await expect(imgDraggableTrue).toHaveAttribute('draggable', 'true');
-
-    const imgDraggableFalse = page.locator('#img-draggable-false img');
-    await expect(imgDraggableFalse).toHaveAttribute('draggable', 'false');
-
-    const imgDraggableUnset = page.locator('#img-draggable-unset img');
-    expect(await imgDraggableUnset.getAttribute('draggable')).toBeNull();
-  });
-});

core/src/components/img/test/draggable/img.e2e.ts

@@ -0,0 +1,22 @@
+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('img: draggable'), () => {
+    test('should correctly set draggable attribute on inner img element', async ({ page }) => {
+      await page.goto('/src/components/img/test/draggable', config);
+
+      const imgDraggableTrue = page.locator('#img-draggable-true img');
+      await expect(imgDraggableTrue).toHaveAttribute('draggable', 'true');
+
+      const imgDraggableFalse = page.locator('#img-draggable-false img');
+      await expect(imgDraggableFalse).toHaveAttribute('draggable', 'false');
+
+      const imgDraggableUnset = page.locator('#img-draggable-unset img');
+      expect(await imgDraggableUnset.getAttribute('draggable')).toBeNull();
+    });
+  });
+});