1 files changed, 44 insertions, 0 deletions
diff --git a/packages/integrations/mdx/test/mdx-page.test.js b/packages/integrations/mdx/test/mdx-page.test.js
index 7948de653..b58781efc 100644
--- a/packages/integrations/mdx/test/mdx-page.test.js
+++ b/packages/integrations/mdx/test/mdx-page.test.js
@@ -1,5 +1,6 @@
 import * as assert from 'node:assert/strict';
 import { after, before, describe, it } from 'node:test';
+import * as cheerio from 'cheerio';
 import { parseHTML } from 'linkedom';
 import { loadFixture } from '../../../astro/test/test-utils.js';
 
@@ -36,6 +37,23 @@ describe('MDX Page', () => {
 
 			assert.notEqual(stylesheet, null);
 		});
+
+		it('Renders MDX in utf-8 by default', async () => {
+			const html = await fixture.readFile('/chinese-encoding/index.html');
+			const $ = cheerio.load(html);
+			assert.equal($('h1').text(), '我的第一篇博客文章');
+			assert.match(html, /<meta charset="utf-8"/);
+		});
+
+		it('Renders MDX with layout frontmatter without utf-8 by default', async () => {
+			const html = await fixture.readFile('/chinese-encoding-layout-frontmatter/index.html');
+			assert.doesNotMatch(html, /<meta charset="utf-8"/);
+		});
+
+		it('Renders MDX with layout manual import without utf-8 by default', async () => {
+			const html = await fixture.readFile('/chinese-encoding-layout-manual/index.html');
+			assert.doesNotMatch(html, /<meta charset="utf-8"/);
+		});
 	});
 
 	describe('dev', () => {
@@ -61,5 +79,31 @@ describe('MDX Page', () => {
 
 			assert.equal(h1.textContent, 'Hello page!');
 		});
+
+		it('Renders MDX in utf-8 by default', async () => {
+			const res = await fixture.fetch('/chinese-encoding/');
+			assert.equal(res.status, 200);
+			const html = await res.text();
+			const $ = cheerio.load(html);
+			assert.equal($('h1').text(), '我的第一篇博客文章');
+			assert.doesNotMatch(res.headers.get('content-type'), /charset=utf-8/);
+			assert.match(html, /<meta charset="utf-8"/);
+		});
+
+		it('Renders MDX with layout frontmatter without utf-8 by default', async () => {
+			const res = await fixture.fetch('/chinese-encoding-layout-frontmatter/');
+			assert.equal(res.status, 200);
+			const html = await res.text();
+			assert.doesNotMatch(res.headers.get('content-type'), /charset=utf-8/);
+			assert.doesNotMatch(html, /<meta charset="utf-8"/);
+		});
+
+		it('Renders MDX with layout manual import without utf-8 by default', async () => {
+			const res = await fixture.fetch('/chinese-encoding-layout-manual/');
+			assert.equal(res.status, 200);
+			const html = await res.text();
+			assert.doesNotMatch(res.headers.get('content-type'), /charset=utf-8/);
+			assert.doesNotMatch(html, /<meta charset="utf-8"/);
+		});
 	});
 });