Add integration tests for carousel

tests/integration/components/place-photos-carousel-test.gjs

@@ -0,0 +1,109 @@
+import { module, test } from 'qunit';
+import { setupRenderingTest } from 'marco/tests/helpers';
+import { render, click } from '@ember/test-helpers';
+import PlacePhotosCarousel from 'marco/components/place-photos-carousel';
+
+module('Integration | Component | place-photos-carousel', function (hooks) {
+  setupRenderingTest(hooks);
+
+  test('it renders gracefully with no photos', async function (assert) {
+    this.photos = [];
+
+    await render(
+      <template><PlacePhotosCarousel @photos={{this.photos}} /></template>
+    );
+
+    assert
+      .dom('.place-photos-carousel-wrapper')
+      .doesNotExist('it does not render the wrapper when there are no photos');
+  });
+
+  test('it renders a single photo without navigation chevrons', async function (assert) {
+    this.photos = [
+      {
+        url: 'photo1.jpg',
+        thumbUrl: 'thumb1.jpg',
+        blurhash: 'L0000',
+        ratio: 1.5,
+        isLandscape: true,
+      },
+    ];
+
+    await render(
+      <template>
+        <div class="test-container">
+          <PlacePhotosCarousel @photos={{this.photos}} />
+        </div>
+      </template>
+    );
+
+    assert
+      .dom('.place-photos-carousel-wrapper')
+      .exists('it renders the wrapper');
+    assert.dom('.carousel-slide').exists({ count: 1 }, 'it renders one slide');
+    assert
+      .dom('img.place-header-photo')
+      .hasAttribute('src', 'photo1.jpg', 'it renders the photo');
+
+    // There should be no chevrons when there's only 1 photo
+    assert
+      .dom('.carousel-nav-btn')
+      .doesNotExist('it does not render chevrons for a single photo');
+  });
+
+  test('it renders multiple photos and shows chevrons', async function (assert) {
+    this.photos = [
+      {
+        url: 'photo1.jpg',
+        thumbUrl: 'thumb1.jpg',
+        blurhash: 'L0000',
+        ratio: 1.5,
+        isLandscape: true,
+      },
+      {
+        url: 'photo2.jpg',
+        thumbUrl: 'thumb2.jpg',
+        blurhash: 'L1111',
+        ratio: 1.0,
+        isLandscape: false,
+      },
+      {
+        url: 'photo3.jpg',
+        thumbUrl: 'thumb3.jpg',
+        blurhash: 'L2222',
+        ratio: 0.8,
+        isLandscape: false,
+      },
+    ];
+
+    await render(
+      <template>
+        <div class="test-container">
+          <PlacePhotosCarousel @photos={{this.photos}} />
+        </div>
+      </template>
+    );
+
+    await new Promise((resolve) => setTimeout(resolve, 100));
+
+    assert.dom('.carousel-slide').exists({ count: 3 }, 'it renders all slides');
+    assert
+      .dom('.carousel-nav-btn')
+      .exists({ count: 2 }, 'it renders both chevrons');
+
+    // Initially, it shouldn't be able to scroll left
+    assert
+      .dom('.carousel-nav-btn.prev')
+      .hasClass('disabled', 'the prev button is disabled initially');
+    assert
+      .dom('.carousel-nav-btn.next')
+      .doesNotHaveClass('disabled', 'the next button is enabled initially');
+
+    // We can't perfectly test native scroll behavior easily in JSDOM/QUnit without mocking the DOM elements' scroll properties,
+    // but we can test that clicking the next button triggers the scrolling method.
+    // However, since we mock scrollLeft in the component logic implicitly via template action, let's at least ensure clicking doesn't throw.
+    await click('.carousel-nav-btn.next');
+
+    assert.ok(true, 'clicking next button does not throw');
+  });
+});