public function test_file()
{
$file1 = self::getDir() . '/dir1/foo.txt';
$file2 = self::getDir() . '/dir2/bar.txt';
$file3 = self::getDir() . '/dir2/baz.txt';
$file3_name = 'baz.txt';
$file4 = self::getDir() . '/dir4/yolo.txt';
$this->assertFalse(file_exists($file1));
file_create($file1);
file_write($file1, '');
$this->assertTrue(file_exists($file1));
$this->assertEquals('', file_read($file1));
file_write($file1, 'foo');
$this->assertEquals('foo', file_read($file1));
file_append($file1, '_bar');
$this->assertEquals('foo_bar', file_read($file1));
file_prepend($file1, '#');
$this->assertEquals('#foo_bar', file_read($file1));
file_append($file1, '_bar');
file_prepend($file1, '#');
$this->assertEquals('##foo_bar_bar', file_read($file1));
file_append($file1 . '_append', '_bar');
$this->assertEquals(file_read($file1 . '_append'), '_bar');
file_prepend($file1 . '_prepend', '#');
$this->assertEquals(file_read($file1 . '_prepend'), '#');
$this->assertFalse(file_exists($file2));
file_copy($file1, $file2);
$this->assertTrue(file_exists($file2));
$this->assertEquals(file_read($file1), file_read($file2));
$this->assertFalse(file_exists($file3));
file_rename($file2, $file3_name);
$this->assertFalse(file_exists($file2));
$this->assertTrue(file_exists($file3));
$this->assertEquals(file_read($file1), file_read($file3));
$this->assertFalse(file_exists($file4));
file_move($file3, $file4);
$this->assertFalse(file_exists($file3));
$this->assertTrue(file_exists($file4));
$this->assertEquals(file_read($file1), file_read($file4));
file_delete($file4);
file_delete($file4);
$this->assertFalse(file_exists($file4));
$this->assertEquals(self::getDir() . '/dir1', file_get_directory($file1));
$this->assertEquals('txt', file_get_extension($file1));
$this->assertEquals('foo.txt', file_get_name($file1));
}
/**
* Rename file at the given path.
*
* @param $path
* @param $newName
*
* @return bool
*/
function file_rename($path, $newName)
{
$newPath = path(file_get_directory($path), $newName);
return rename($path, $newPath);
}
