function testAddingTags()
{
$doc = new DMSDocument();
$doc->Filename = "test file";
$doc->Folder = "0";
$doc->write();
$doc->addTag("fruit", "banana");
$doc->addTag("fruit", "orange");
$doc->addTag("fruit", "apple");
$doc->addTag("company", "apple");
$doc->addTag("company", "SilverStripe");
$fruits = $doc->getTagsList("fruit");
$this->assertNotNull($fruits, "Something returned for fruit tags");
$this->assertEquals(count($fruits), 3, "3 fruit tags returned");
$this->assertTrue(in_array("banana", $fruits), "correct fruit tags returned");
//sneakily create another document and link one of the tags to that, too
$doc2 = new DMSDocument();
$doc2->Filename = "sneaky file";
$doc2->Folder = "0";
$doc2->write();
$doc2->addTag("fruit", "banana");
$fruits = $doc2->getTagsList("fruit");
$this->assertNotNull($fruits, "Something returned for fruit tags");
$this->assertEquals(count($fruits), 1, "Only 1 fruit tags returned");
//tidy up by deleting all tags from doc 1 (But the banana fruit tag should remain)
$doc->removeAllTags();
//banana fruit remains
$fruits = $doc2->getTagsList("fruit");
$this->assertNotNull($fruits, "Something returned for fruit tags");
$this->assertEquals(count($fruits), 1, "Only 1 fruit tags returned");
$tags = DataObject::get("DMSTag");
$this->assertEquals($tags->Count(), 1, "A single DMS tag objects remain after deletion of all tags on doc1");
//delete all tags off doc2 to complete the tidy up
$doc2->removeAllTags();
$tags = DataObject::get("DMSTag");
$this->assertEquals($tags->Count(), 0, "No DMS tag objects remain after deletion");
}
