+
+ /**
+ * Test rename tag with a valid value present in multiple links
+ */
+ public function testRenameTagMultiple()
+ {
+ self::$refDB->write(self::$testDatastore);
+ $linkDB = new LinkDB(self::$testDatastore, true, false);
+
+ $res = $linkDB->renameTag('cartoon', 'Taz');
+ $this->assertEquals(3, count($res));
+ $this->assertContains(' Taz ', $linkDB[4]['tags']);
+ $this->assertContains(' Taz ', $linkDB[1]['tags']);
+ $this->assertContains(' Taz ', $linkDB[0]['tags']);
+ }
+
+ /**
+ * Test rename tag with a valid value
+ */
+ public function testRenameTagCaseSensitive()
+ {
+ self::$refDB->write(self::$testDatastore);
+ $linkDB = new LinkDB(self::$testDatastore, true, false, '');
+
+ $res = $linkDB->renameTag('sTuff', 'Taz');
+ $this->assertEquals(1, count($res));
+ $this->assertEquals('Taz', $linkDB[41]['tags']);
+ }
+
+ /**
+ * Test rename tag with invalid values
+ */
+ public function testRenameTagInvalid()
+ {
+ $linkDB = new LinkDB(self::$testDatastore, false, false);
+
+ $this->assertFalse($linkDB->renameTag('', 'test'));
+ $this->assertFalse($linkDB->renameTag('', ''));
+ // tag non existent
+ $this->assertEquals([], $linkDB->renameTag('test', ''));
+ $this->assertEquals([], $linkDB->renameTag('test', 'retest'));
+ }
+
+ /**
+ * Test delete tag with a valid value
+ */
+ public function testDeleteTag()
+ {
+ self::$refDB->write(self::$testDatastore);
+ $linkDB = new LinkDB(self::$testDatastore, true, false);
+
+ $res = $linkDB->renameTag('cartoon', null);
+ $this->assertEquals(3, count($res));
+ $this->assertNotContains('cartoon', $linkDB[4]['tags']);
+ }