test: adding tests for appRoot config

Author: sumitarora

tests/e2e/tests/commands/set/set-approot.ts

@@ -0,0 +1,26 @@
+import {ng} from '../../../utils/process';
+import {rename} from '../../../utils/fs';
+
+export default function() {
+  return Promise.resolve()
+    .then(() => ng('get', 'apps.0.appRoot'))
+    .then(({ stdout }) => {
+      if (!stdout.match(/app/)) {
+        throw new Error(`Expected "app", received "${JSON.stringify(stdout)}".`);
+      }
+    })
+    .then(() => ng('set', 'apps.0.appRoot' , 'app1'))
+    .then(() => ng('get', 'apps.0.appRoot'))
+    .then(({ stdout }) => {
+      if (!stdout.match(/app1/)) {
+        throw new Error(`Expected "app1", received "${JSON.stringify(stdout)}".`);
+      }
+    })
+    .then(() => rename('./src/app', './src/app1'))
+    .then(() => ng('g', 'c', 'hello', '-d'))
+    .then(({ stdout }) => {
+      if (!stdout.match(/app1/)) {
+        throw new Error(`Expected "app", received "${JSON.stringify(stdout)}".`);
+      }
+    });
+}

tests/e2e/utils/fs.ts

@@ -71,6 +71,17 @@ export function createDir(path: string) {
   _recursiveMkDir(path);
 }
 
+export function rename(from: string, to: string) {
+  return new Promise((resolve, reject) => {
+      fs.rename(from, to, (error) => {
+        if (error) {
+          reject(error);
+        } else {
+          resolve();
+        }
+      });
+  });
+}
 
 function _recursiveMkDir(path: string) {
   if (fs.existsSync(path)) {