1 files changed, 44 insertions, 0 deletions
diff --git a/tools/prettier-plugin-astro/test/astro-prettier.test.js b/tools/prettier-plugin-astro/test/astro-prettier.test.js
new file mode 100644
index 000000000..99ece2a30
--- /dev/null
+++ b/tools/prettier-plugin-astro/test/astro-prettier.test.js
@@ -0,0 +1,44 @@
+import { suite } from 'uvu';
+import * as assert from 'uvu/assert';
+import { format } from './test-utils.js';
+import { promises as fs } from 'fs';
+import { fileURLToPath } from 'url'
+const Prettier = suite('Prettier formatting');
+
+const readFile = (path) => fs.readFile(fileURLToPath(new URL(`./fixtures${path}`, import.meta.url))).then(res => res.toString())
+
+/**
+ * Utility to get `[src, out]` files
+ * @param name {string}
+ * @param ctx {any}
+ */
+const getFiles = async (name) => {
+  const [src, out] = await Promise.all([readFile(`/in/${name}.astro`), readFile(`/out/${name}.astro`)]);
+  return [src, out];
+};
+
+Prettier('can format a basic Astro file', async () => {
+  const [src, out] = await getFiles('basic');
+  assert.not.equal(src, out);
+
+  const formatted = format(src);
+  assert.equal(formatted, out);
+});
+
+Prettier('can format an Astro file with frontmatter', async () => {
+  const [src, out] = await getFiles('frontmatter');
+  assert.not.equal(src, out);
+
+  const formatted = format(src);
+  assert.equal(formatted, out);
+});
+
+Prettier('can format an Astro file with embedded JSX expressions', async () => {
+  const [src, out] = await getFiles('embedded-expr');
+  assert.not.equal(src, out);
+
+  const formatted = format(src);
+  assert.equal(formatted, out);
+});
+
+Prettier.run();