From 30afe405ab3462107714fb401ad1b75e24dd8306 Mon Sep 17 00:00:00 2001
From: "Lyu, Wei Da" <b00605009@ntu.edu.tw>
Date: Thu, 16 Nov 2023 15:07:19 +0800
Subject: [PATCH] chore: try fix flaky test

---
 .../features/CompletionProvider.test.ts       |  2 +-
 .../test/plugins/typescript/service.test.ts   | 29 +++++++++++++++++++
 .../testfiles/completions/ScndImport.svelte   |  1 +
 3 files changed, 31 insertions(+), 1 deletion(-)
 create mode 100644 packages/language-server/test/plugins/typescript/testfiles/completions/ScndImport.svelte

diff --git a/packages/language-server/test/plugins/typescript/features/CompletionProvider.test.ts b/packages/language-server/test/plugins/typescript/features/CompletionProvider.test.ts
index ef22b06ee..ee6ee4acf 100644
--- a/packages/language-server/test/plugins/typescript/features/CompletionProvider.test.ts
+++ b/packages/language-server/test/plugins/typescript/features/CompletionProvider.test.ts
@@ -783,7 +783,7 @@ describe('CompletionProviderImpl', function () {
     async function openFileToBeImported(
         docManager: DocumentManager,
         completionProvider: CompletionsProviderImpl,
-        name = 'imported-file.svelte'
+        name = '../imported-file.svelte'
     ) {
         const filePath = join(testFilesDir, name);
         const hoverinfoDoc = docManager.openClientDocument(<any>{
diff --git a/packages/language-server/test/plugins/typescript/service.test.ts b/packages/language-server/test/plugins/typescript/service.test.ts
index 1ad5e17a1..ad56a35bd 100644
--- a/packages/language-server/test/plugins/typescript/service.test.ts
+++ b/packages/language-server/test/plugins/typescript/service.test.ts
@@ -185,4 +185,33 @@ describe('service', () => {
             );
         }
     });
+
+    it('can open client file that do not exist in fs', async () => {
+        const dirPath = getRandomVirtualDirPath(testDir);
+        const { virtualSystem, lsDocumentContext, rootUris } = setup();
+
+        virtualSystem.writeFile(
+            path.join(dirPath, 'tsconfig.json'),
+            JSON.stringify({
+                compilerOptions: <ts.CompilerOptions>{
+                    checkJs: true,
+                    strict: true
+                }
+            })
+        );
+
+        const ls = await getService(
+            path.join(dirPath, 'random.svelte'),
+            rootUris,
+            lsDocumentContext
+        );
+
+        const document = new Document(pathToUrl(path.join(dirPath, 'random.ts')), '');
+        document.openedByClient = true;
+        ls.updateSnapshot(document);
+
+        assert.doesNotThrow(() => {
+            ls.getService().getSemanticDiagnostics(document.getFilePath()!);
+        });
+    });
 });
diff --git a/packages/language-server/test/plugins/typescript/testfiles/completions/ScndImport.svelte b/packages/language-server/test/plugins/typescript/testfiles/completions/ScndImport.svelte
new file mode 100644
index 000000000..f0b453d29
--- /dev/null
+++ b/packages/language-server/test/plugins/typescript/testfiles/completions/ScndImport.svelte
@@ -0,0 +1 @@
+<script></script>
\ No newline at end of file