1 files changed, 87 insertions, 0 deletions
diff --git a/tests/phpunit/includes/ExternalStoreTest.php b/tests/phpunit/includes/ExternalStoreTest.php
new file mode 100644
index 00000000..07c2957c
--- /dev/null
+++ b/tests/phpunit/includes/ExternalStoreTest.php
@@ -0,0 +1,87 @@
+<?php
+/**
+ * External Store tests
+ */
+
+class ExternalStoreTest extends MediaWikiTestCase {
+
+	/**
+	 * @covers ExternalStore::fetchFromURL
+	 */
+	public function testExternalFetchFromURL() {
+		$this->setMwGlobals( 'wgExternalStores', false );
+
+		$this->assertFalse(
+			ExternalStore::fetchFromURL( 'FOO://cluster1/200' ),
+			'Deny if wgExternalStores is not set to a non-empty array'
+		);
+
+		$this->setMwGlobals( 'wgExternalStores', array( 'FOO' ) );
+
+		$this->assertEquals(
+			ExternalStore::fetchFromURL( 'FOO://cluster1/200' ),
+			'Hello',
+			'Allow FOO://cluster1/200'
+		);
+		$this->assertEquals(
+			ExternalStore::fetchFromURL( 'FOO://cluster1/300/0' ),
+			'Hello',
+			'Allow FOO://cluster1/300/0'
+		);
+		# Assertions for r68900
+		$this->assertFalse(
+			ExternalStore::fetchFromURL( 'ftp.example.org' ),
+			'Deny domain ftp.example.org'
+		);
+		$this->assertFalse(
+			ExternalStore::fetchFromURL( '/example.txt' ),
+			'Deny path /example.txt'
+		);
+		$this->assertFalse(
+			ExternalStore::fetchFromURL( 'http://' ),
+			'Deny protocol http://'
+		);
+	}
+}
+
+class ExternalStoreFOO {
+
+	protected $data = array(
+		'cluster1' => array(
+			'200' => 'Hello',
+			'300' => array(
+				'Hello', 'World',
+			),
+		),
+	);
+
+	/**
+	 * Fetch data from given URL
+	 * @param string $url An url of the form FOO://cluster/id or FOO://cluster/id/itemid.
+	 * @return mixed
+	 */
+	function fetchFromURL( $url ) {
+		// Based on ExternalStoreDB
+		$path = explode( '/', $url );
+		$cluster = $path[2];
+		$id = $path[3];
+		if ( isset( $path[4] ) ) {
+			$itemID = $path[4];
+		} else {
+			$itemID = false;
+		}
+
+		if ( !isset( $this->data[$cluster][$id] ) ) {
+			return null;
+		}
+
+		if ( $itemID !== false
+			&& is_array( $this->data[$cluster][$id] )
+			&& isset( $this->data[$cluster][$id][$itemID] )
+		) {
+			return $this->data[$cluster][$id][$itemID];
+		}
+
+		return $this->data[$cluster][$id];
+	}
+}