From 3b67b22225c54b28c5ea8b118710ef450016fb86 Mon Sep 17 00:00:00 2001
From: ArthurHoaro <arthur@hoa.ro>
Date: Fri, 4 Aug 2017 19:10:00 +0200
Subject: Move tag renaming code to LinkDB and unit test it

---
 tests/LinkDBTest.php | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)

(limited to 'tests/LinkDBTest.php')

diff --git a/tests/LinkDBTest.php b/tests/LinkDBTest.php
index 25438277..5b2f3667 100644
--- a/tests/LinkDBTest.php
+++ b/tests/LinkDBTest.php
@@ -487,4 +487,59 @@ class LinkDBTest extends PHPUnit_Framework_TestCase
             $this->assertEquals($linkIds[$cpt++], $key);
         }
     }
+
+    /**
+     * Test rename tag with a valid value present in multiple links
+     */
+    public function testRenameTagMultiple()
+    {
+        self::$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']);
+    }
 }
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