From 9eadfe1ebab8d0b20d3d588d5340a741ffc93c75 Mon Sep 17 00:00:00 2001
From: Haoqun Jiang <haoqunjiang@gmail.com>
Date: Fri, 5 Jul 2019 19:47:34 +0800
Subject: [PATCH] test: fix `cliServiceVersion` for generator unit tests

---
 packages/@vue/cli/lib/GeneratorAPI.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/packages/@vue/cli/lib/GeneratorAPI.js b/packages/@vue/cli/lib/GeneratorAPI.js
index ec7ffa566..91cd4d099 100644
--- a/packages/@vue/cli/lib/GeneratorAPI.js
+++ b/packages/@vue/cli/lib/GeneratorAPI.js
@@ -96,6 +96,13 @@ class GeneratorAPI {
   }
 
   get cliServiceVersion () {
+    // In generator unit tests, we don't write the actual file back to the disk.
+    // So there is no cli-service module to load.
+    // In that case, just return the cli version.
+    if (process.env.VUE_CLI_TEST && process.env.VUE_CLI_SKIP_WRITE) {
+      return this.cliVersion
+    }
+
     const servicePkg = loadModule(
       '@vue/cli-service/package.json',
       this.generator.context