resourceloader: Add unit tests for ResourceLoaderSkinModule

Change-Id: I299eff8f5172e047c0d54d9c824b17529dd6d190

1 files changed, 67 insertions, 0 deletions

diff --git a/tests/phpunit/includes/resourceloader/ResourceLoaderSkinModuleTest.php b/tests/phpunit/includes/resourceloader/ResourceLoaderSkinModuleTest.php
new file mode 100644
index 000000000000..c56769827ac1
--- /dev/null
+++ b/tests/phpunit/includes/resourceloader/ResourceLoaderSkinModuleTest.php
@@ -0,0 +1,67 @@
+<?php
+
+/**
+ * @group Database
+ * @group ResourceLoader
+ */
+class ResourceLoaderSkinModuleTest extends PHPUnit_Framework_TestCase {
+
+	public static function provideGetStyles() {
+		return [
+			[
+				'parent' => [],
+				'expected' => [
+					'all' => [ '.mw-wiki-logo { background-image: url(/logo.png); }' ],
+				],
+			],
+			[
+				'parent' => [
+					'screen' => '.example {}',
+				],
+				'expected' => [
+					'screen' => [ '.example {}' ],
+					'all' => [ '.mw-wiki-logo { background-image: url(/logo.png); }' ],
+				],
+			],
+		];
+	}
+
+	/**
+	 * @dataProvider provideGetStyles
+	 * @covers ResourceLoaderSkinModule::normalizeStyles
+	 * @covers ResourceLoaderSkinModule::getStyles
+	 */
+	public function testGetStyles( $parent, $expected ) {
+		$module = $this->getMockBuilder( ResourceLoaderSkinModule::class )
+			->disableOriginalConstructor()
+			->setMethods( [ 'readStyleFiles' ] )
+			->getMock();
+		$module->expects( $this->once() )->method( 'readStyleFiles' )
+			->willReturn( $parent );
+		$module->setConfig( new HashConfig( [
+			'ResourceBasePath' => '/w',
+			'Logo' => '/logo.png',
+			'LogoHD' => false,
+		] ) );
+
+		$ctx = $this->getMockBuilder( ResourceLoaderContext::class )
+			->disableOriginalConstructor()->getMock();
+
+		$this->assertEquals(
+			$module->getStyles( $ctx ),
+			$expected
+		);
+	}
+
+	/**
+	 * @covers ResourceLoaderSkinModule::isKnownEmpty
+	 */
+	public function testIsKnownEmpty() {
+		$module = $this->getMockBuilder( ResourceLoaderSkinModule::class )
+			->disableOriginalConstructor()->setMethods( null )->getMock();
+		$ctx = $this->getMockBuilder( ResourceLoaderContext::class )
+			->disableOriginalConstructor()->getMock();
+
+		$this->assertFalse( $module->isKnownEmpty( $ctx ) );
+	}
+}