migrate MDX tests (#9894)

1 files changed, 11 insertions, 10 deletions

diff --git a/packages/integrations/mdx/test/mdx-syntax-highlighting.test.js b/packages/integrations/mdx/test/mdx-syntax-highlighting.test.js
index 40281cffd..e5ce04126 100644
--- a/packages/integrations/mdx/test/mdx-syntax-highlighting.test.js
+++ b/packages/integrations/mdx/test/mdx-syntax-highlighting.test.js
@@ -1,6 +1,7 @@
 import mdx from '@astrojs/mdx';
 
-import { expect } from 'chai';
+import { describe, it } from 'node:test';
+import * as assert from 'node:assert/strict';
 import { parseHTML } from 'linkedom';
 import { loadFixture } from '../../../astro/test/test-utils.js';
 import shikiTwoslash from 'remark-shiki-twoslash';
@@ -24,8 +25,8 @@ describe('MDX syntax highlighting', () => {
 			const { document } = parseHTML(html);
 
 			const shikiCodeBlock = document.querySelector('pre.astro-code');
-			expect(shikiCodeBlock).to.not.be.null;
-			expect(shikiCodeBlock.getAttribute('style')).to.contain('background-color:#24292e');
+			assert.notEqual(shikiCodeBlock, null);
+			assert.equal(shikiCodeBlock.getAttribute('style').includes('background-color:#24292e'), true);
 		});
 
 		it('respects markdown.shikiConfig.theme', async () => {
@@ -45,8 +46,8 @@ describe('MDX syntax highlighting', () => {
 			const { document } = parseHTML(html);
 
 			const shikiCodeBlock = document.querySelector('pre.astro-code');
-			expect(shikiCodeBlock).to.not.be.null;
-			expect(shikiCodeBlock.getAttribute('style')).to.contain('background-color:#282A36');
+			assert.notEqual(shikiCodeBlock, null);
+			assert.equal(shikiCodeBlock.getAttribute('style').includes('background-color:#282A36'), true);
 		});
 	});
 
@@ -65,7 +66,7 @@ describe('MDX syntax highlighting', () => {
 			const { document } = parseHTML(html);
 
 			const prismCodeBlock = document.querySelector('pre.language-astro');
-			expect(prismCodeBlock).to.not.be.null;
+			assert.notEqual(prismCodeBlock, null);
 		});
 
 		for (const extendMarkdownConfig of [true, false]) {
@@ -88,9 +89,9 @@ describe('MDX syntax highlighting', () => {
 				const { document } = parseHTML(html);
 
 				const shikiCodeBlock = document.querySelector('pre.astro-code');
-				expect(shikiCodeBlock, 'Markdown config syntaxHighlight used unexpectedly').to.be.null;
+				assert.equal(shikiCodeBlock, null, 'Markdown config syntaxHighlight used unexpectedly');
 				const prismCodeBlock = document.querySelector('pre.language-astro');
-				expect(prismCodeBlock).to.not.be.null;
+				assert.notEqual(prismCodeBlock, null);
 			});
 		}
 	});
@@ -113,7 +114,7 @@ describe('MDX syntax highlighting', () => {
 		const { document } = parseHTML(html);
 
 		const twoslashCodeBlock = document.querySelector('pre.shiki');
-		expect(twoslashCodeBlock).to.not.be.null;
+		assert.notEqual(twoslashCodeBlock, null);
 	});
 
 	it('supports custom highlighter - rehype-pretty-code', async () => {
@@ -140,6 +141,6 @@ describe('MDX syntax highlighting', () => {
 		await fixture.build();
 
 		const html = await fixture.readFile('/index.html');
-		expect(html).to.include('style="background-color:#000000"');
+		assert.equal(html.includes('style="background-color:#000000"'), true);
 	});
 });