silverstripe-environmentcheck/tests/checks/FileWritableCheckTest.php

<?php

/**
 * @mixin PHPUnit_Framework_TestCase
 */
class FileWritableCheckTest extends SapphireTest {
	public function testCheckReportsWritablePaths() {
		$check = new FileWriteableCheck(TEMP_FOLDER);

		$expected = array(
			EnvironmentCheck::OK,
			'',
		);

		$this->assertEquals($expected, $check->check());
	}

	public function testCheckReportsNonWritablePaths() {
		$check = new FileWriteableCheck('/var');

		$result = $check->check();

		$this->assertEquals(EnvironmentCheck::ERROR, $result[0]);
	}
}