Tests for CldOgImage (#151)

Co-authored-by: Willow (GHOST) <ghostdevbusiness@gmail.com>

Author: ovindu-a

packages/svelte-cloudinary/tests/CldOgImage/CldOgImage.test.ts

@@ -0,0 +1,64 @@
+import { render, cleanup } from '@testing-library/svelte';
+import { afterEach, describe, expect, it, vi } from 'vitest';
+import { CldOgImage } from '$src/index';
+
+describe('CldImage', () => {
+	afterEach(() => {
+		cleanup();
+	});
+
+	it('should generate the correct URL for Cloudinary Open Graph image in the og:image meta tag', () => {
+		render(CldOgImage, {
+			props: {
+				src: 'og_image',
+				alt: 'OG Image',
+				config: { cloud: { cloudName: 'testing-og' } },
+			},
+		});
+
+		const metaTag = document.querySelector<HTMLMetaElement>(
+			'meta[property="og:image"]',
+		);
+
+		expect(metaTag).toBeInstanceOf(HTMLMetaElement);
+		expect(metaTag?.content).toContain('https://res.cloudinary.com');
+		expect(metaTag?.content).toContain('og_image');
+	});
+
+	it('should render with a dynamically generated Cloudinary URL using a random cloud name', () => {
+		const cloudName = crypto.randomUUID();
+
+		render(CldOgImage, {
+			props: {
+				src: 'og_image',
+				alt: '',
+				config: { cloud: { cloudName } },
+			},
+		});
+
+		const metaTag = document.querySelector<HTMLMetaElement>(
+			'meta[property="og:image"]',
+		);
+
+		expect(metaTag).toBeInstanceOf(HTMLMetaElement);
+		expect(metaTag?.content).toContain(cloudName);
+	});
+
+	it('should work with global config from environment variables', () => {
+		const cloudName = crypto.randomUUID();
+		vi.stubEnv('VITE_CLOUDINARY_CLOUD_NAME', cloudName);
+
+		render(CldOgImage, {
+			props: {
+				src: 'og_image',
+				alt: '',
+			},
+		});
+
+		const metaTag = document.querySelector<HTMLMetaElement>(
+			'meta[property="og:image"]',
+		);
+
+		expect(metaTag?.content).toContain(cloudName);
+	});
+});