Added tests and changelog for .js.map files fix

Author: marinaglancy

docs/CHANGELOG.md

@@ -12,6 +12,9 @@ The format of this change log follows the advice given at [Keep a CHANGELOG](htt
 ### Changed
 - Updated [.travis.dist.yml] to use Postgresql 9.6 (Moodle 3.10 new requirement).
 
+### Fixed
+- `moodle-plugin-ci grunt` now also checks `*.js.map` files.
+
 ## [3.0.0] - 2020-07-23
 ### Changed
 - ACTION REQUIRED: project organization renamed to moodlehq. You must update your `.travis.yml` to use `moodlehq/moodle-plugin-ci`

tests/Command/GruntCommandTest.php

@@ -193,5 +193,25 @@ public function testValidatePluginFiles()
         $output = new BufferedOutput();
         $this->assertSame(1, $command->validatePluginFiles($output));
         $this->assertSame("File is newly generated and needs to be added: amd/build/new.min.js\n", $output->fetch());
+
+        $command->restorePlugin();
+        $this->assertSame(0, $command->validatePluginFiles($emptyOutput));
+        $this->assertSame('', $emptyOutput->fetch());
+
+        $this->fs->remove($this->pluginDir.'/amd/build/keys.min.js.map');
+
+        $output = new BufferedOutput();
+        $this->assertSame(1, $command->validatePluginFiles($output));
+        $this->assertSame("File no longer generated and likely should be deleted: amd/build/keys.min.js.map\n", $output->fetch());
+
+        $command->restorePlugin();
+        $this->assertSame(0, $command->validatePluginFiles($emptyOutput));
+        $this->assertSame('', $emptyOutput->fetch());
+
+        $this->fs->touch($this->pluginDir.'/amd/build/new.min.js.map');
+
+        $output = new BufferedOutput();
+        $this->assertSame(1, $command->validatePluginFiles($output));
+        $this->assertSame("File is newly generated and needs to be added: amd/build/new.min.js.map\n", $output->fetch());
     }
 }