test: add failing test case for shared CSS imports (#669)

ocavue · web-flow · commit 628edec53135 · 2025-12-26T19:26:13.000+11:00
diff --git a/tests/__snapshots__/issues/668.snap.md b/tests/__snapshots__/issues/668.snap.md
@@ -0,0 +1,42 @@
+## entry1.css
+
+```css
+ .class-entry1 { color: red; }
+
+```
+
+## entry1.mjs
+
+```mjs
+import "./shared-BHF-Oovy.mjs";
+
+export {  };
+```
+
+## entry2.css
+
+```css
+ .class-entry2 { color: red; }
+
+```
+
+## entry2.mjs
+
+```mjs
+import "./shared-BHF-Oovy.mjs";
+
+export {  };
+```
+
+## shared-BHF-Oovy.mjs
+
+```mjs
+export {  };
+```
+
+## shared-t0ayLZhq.css
+
+```css
+.class-shared { color: red; }
+
+```
diff --git a/tests/issues.test.ts b/tests/issues.test.ts
@@ -171,4 +171,24 @@ describe('issues', () => {
       './package.json': './package.json',
     })
   })
+
+  test.fails('#668', async (context) => {
+    const { outputFiles, fileMap } = await testBuild({
+      context,
+      files: {
+        'shared.css': `.class-shared { color: red; }`,
+        'entry1.css': `@import './shared.css'; .class-entry1 { color: red; }`,
+        'entry2.css': `@import './shared.css'; .class-entry2 { color: red; }`,
+      },
+      options: {
+        entry: ['entry1.css', 'entry2.css'],
+      },
+    })
+    expect(outputFiles).toContain('entry1.css')
+    expect(outputFiles).toContain('entry2.css')
+    expect(fileMap['entry1.css']).toContain('class-entry1')
+    expect(fileMap['entry2.css']).toContain('class-entry2')
+    expect(fileMap['entry1.css']).toContain('class-shared')
+    expect(fileMap['entry2.css']).toContain('class-shared')
+  })
 })
