Differential D16067 Diff 38659 src/utils/__tests__/PhutilProseDiffTestCase.php

Changeset View

Standalone View

				<?php

				final class PhutilProseDiffTestCase extends PhutilTestCase {

				public function testProseDiffsDistance() {
				$this->assertProseParts(
				'',
				'',
				array(),
				pht('Empty'));

				$this->assertProseParts(
				"xxx\nyyy",
				"xxx\nzzz\nyyy",
				array(
				"= xxx\n",
				"+ zzz\n",
				'= yyy',
				),
				pht('Add Paragraph'));

				$this->assertProseParts(
				"xxx\nzzz\nyyy",
				"xxx\nyyy",
				array(
				"= xxx\n",
				"- zzz\n",
				'= yyy',
				),
				pht('Remove Paragraph'));
				}

				private function assertProseParts($old, $new, array $expect_parts, $label) {
				$engine = new PhutilProseDifferenceEngine();
				$diff = $engine->getDiff($old, $new);

				$parts = $diff->getParts();

				$actual = array();
				foreach ($parts as $part) {
				$actual[] = $part['type'].' '.$part['text'];
				}

				$this->assertEqual($expect_parts, $actual, $label);
				}


				}