PHPUnit assertIsReadable() Function Last Updated : 07 Aug, 2020 Summarize Comments Improve Suggest changes Share Like Article Like Report The assertIsReadable() function is a builtin function in PHPUnit and is used to assert whether the assertIsReadable specified file name is readable or Not. This assertion will return true in the case if either given filename is readable else return false. In case of true the asserted test case got passed else test case got failed. Syntax: assertIsReadable(string $filename[, string $message = '']) Parameters: This function accepts two parameters as mentioned above and described below: $filename: This parameter is a string that denotes the file name.$message: This parameter takes a string value. When the test case got failed this string message got displayed as an error message. Below examples illustrate the assertIsReadable() function in PHPUnit: Example 1: PHP <?php use PHPUnit\Framework\TestCase; class GeeksPhpunitTestCase extends TestCase { public function testNegativeTestcaseForassertIsReadable() { $filename = "/home/lovely/Documents/phptest"; // Assert function to test whether given // file name is readablee or not $this->assertIsReadable( $filename, "filename is readable or Not" ); } } ?> Output: PHPUnit 8.5.8 by Sebastian Bergmann and contributors. F 1 / 1 (100%) Time: 87 ms, Memory: 10.00 MB There was 1 failure: 1) GeeksPhpunitTestCase::testPositiveTestcaseForassertIsReadable filename is readable or Not Failed asserting that "/home/lovely/Documents/phptest" is readable. /home/lovely/Documents/php/test.php:15 FAILURES! Tests: 1, Assertions: 1, Failures: 1. Example 2: PHP <?php use PHPUnit\Framework\TestCase; class GeeksPhpunitTestCase extends TestCase { public function testPositiveTestcaseForassertIsReadable() { $filename = "/home/lovely/Documents"; // Assert function to test whether given // file name is readablee or not $this->assertIsReadable( $filename, "filename is readable or Not" ); } } ?> Output: PHPUnit 8.5.8 by Sebastian Bergmann and contributors. . 1 / 1 (100%) Time: 91 ms, Memory: 10.00 MB OK (1 test, 1 assertion) Reference:https://phpunit.readthedocs.io/en/9.2/assertions.html#assertisreadable Comment More infoAdvertise with us Next Article PHPUnit assertNotIsReadable() Function S shubham_singh Follow Improve Article Tags : Web Technologies PHP PHP-PHPUnit Similar Reads PHPUnit assertNotIsReadable() Function The assertNotIsReadable() function is a builtin function in PHPUnit and is used to assert whether the assertNotIsReadable specified file name is Not readable. This assertion will return true in the case if either given filename is Not readable else return false. In case of true the asserted test cas 2 min read PHPUnit assertFileIsReadable() Function The assertFileIsReadable() function is a builtin function in PHPUnit and is used to assert whether the assertfile specified is a file name is readable or not. This assertion will return true in the case if either given filename exists and is readable else return false. In case of true the asserted t 2 min read PHPUnit assertIsWritable() Function The assertIsWritable() function is a builtin function in PHPUnit and is used to assert whether the assertiswritable specified that filename is writable or not. This assertion will return true in the case if either given filename exists and is writable else return false. In case of true the asserted 2 min read PHPUnit assertIsIterable() Function The assertIsIterable() function is a builtin function in PHPUnit and is used to assert whether the given variable is Iterable or not. This assertion will return true in the case if the given variable is Iterable else returns false. In case of true the asserted test case got passed else test case got 2 min read PHPUnit | assertDirectoryIsReadable() Function The assertDirectoryIsReadable() function is a builtin function in PHPUnit and is used to assert whether the directory specified is a directory or is readable. This assertion will return true in the case if either given directory path exists and is readable else return false. In case of true the asse 2 min read PHPUnit assertNotIsWritable() Function The assertNotIsWritable() function is a builtin function in PHPUnit and is used to assert whether the assertNotIswritable specified that filename is not writable. This assertion will return true in the case if either given file name Doesn't exist and is not writable else return false. In case of tru 2 min read Like