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Mon, Nov 4, 16:54

FilesystemTestCase.php
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<?php
/**
* @group testcase
*/
final class FilesystemTestCase extends PhutilTestCase {
public function testBinaryExists() {
// Test for the `which` binary on Linux, and the `where` binary on Windows,
// because `which which` is cute.
if (phutil_is_windows()) {
$exists = 'where';
} else {
$exists = 'which';
}
$this->assertEqual(
true,
Filesystem::binaryExists($exists));
// We don't expect to find this binary on any system.
$this->assertEqual(
false,
Filesystem::binaryExists('halting-problem-decider'));
}
public function testResolveBinary() {
// Test to make sure resolveBinary() returns the full path to the `which`
// and `where` binaries.
if (phutil_is_windows()) {
$binary = 'where';
} else {
$binary = 'which';
}
$path = Filesystem::resolveBinary($binary);
$this->assertFalse(null === $path);
$this->assertTrue(file_exists($path));
$this->assertFalse(is_dir($path));
$this->assertEqual(null,
Filesystem::resolveBinary('halting-problem-decider'));
}
public function testWriteUniqueFile() {
$tmp = new TempFile();
$dir = dirname($tmp);
// Writing an empty file should work.
$f = Filesystem::writeUniqueFile($dir, '');
$this->assertEqual('', Filesystem::readFile($f));
// File name should be unique.
$g = Filesystem::writeUniqueFile($dir, 'quack');
$this->assertTrue($f != $g);
}
public function testReadRandomBytes() {
$number_of_bytes = 1024;
$data = Filesystem::readRandomBytes($number_of_bytes);
$this->assertTrue(strlen($data) == $number_of_bytes);
$data1 = Filesystem::readRandomBytes(128);
$data2 = Filesystem::readRandomBytes(128);
$this->assertFalse($data1 == $data2);
$caught = null;
try {
Filesystem::readRandomBytes(0);
} catch (Exception $ex) {
$caught = $ex;
}
$this->assertTrue($caught instanceof Exception);
}
}

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