From 1efad3772ebb7bf74b40ab0b128621c7c05b917b Mon Sep 17 00:00:00 2001
From: Alan Agius <alan.agius4@gmail.com>
Date: Mon, 25 Feb 2019 12:58:13 +0100
Subject: [PATCH] test: fix resolution to not depend on index.d.ts (#28854)

Implement `readFile` in `MockTypescriptHost` so TypeScript can resolve module based on it's resolution, since certain files are not on disk but in memory

PR Close #28854
---
 packages/language-service/test/test_utils.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/language-service/test/test_utils.ts b/packages/language-service/test/test_utils.ts
index e3bb4871e9..17ff5acbbf 100644
--- a/packages/language-service/test/test_utils.ts
+++ b/packages/language-service/test/test_utils.ts
@@ -152,6 +152,8 @@ export class MockTypescriptHost implements ts.LanguageServiceHost {
 
   fileExists(fileName: string): boolean { return this.getRawFileContent(fileName) != null; }
 
+  readFile(path: string): string|undefined { return this.getRawFileContent(path); }
+
   getMarkerLocations(fileName: string): {[name: string]: number}|undefined {
     let content = this.getRawFileContent(fileName);
     if (content) {