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PhabricatorTestCase.php
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Thu, May 9, 05:19

PhabricatorTestCase.php
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<?php
abstract class PhabricatorTestCase extends PhutilTestCase {
const NAMESPACE_PREFIX = 'phabricator_unittest_';
/**
* If true, put Lisk in process-isolated mode for the duration of the tests so
* that it will establish only isolated, side-effect-free database
* connections. Defaults to true.
*
* NOTE: You should disable this only in rare circumstances. Unit tests should
* not rely on external resources like databases, and should not produce
* side effects.
*/
const PHABRICATOR_TESTCONFIG_ISOLATE_LISK = 'isolate-lisk';
/**
* If true, build storage fixtures before running tests, and connect to them
* during test execution. This will impose a performance penalty on test
* execution (currently, it takes roughly one second to build the fixture)
* but allows you to perform tests which require data to be read from storage
* after writes. The fixture is shared across all test cases in this process.
* Defaults to false.
*
* NOTE: All connections to fixture storage open transactions when established
* and roll them back when tests complete. Each test must independently
* write data it relies on; data will not persist across tests.
*
* NOTE: Enabling this implies disabling process isolation.
*/
const PHABRICATOR_TESTCONFIG_BUILD_STORAGE_FIXTURES = 'storage-fixtures';
private $configuration;
private $env;
private static $storageFixtureReferences = 0;
private static $storageFixture;
private static $storageFixtureObjectSeed = 0;
private static $testsAreRunning = 0;
protected function getPhabricatorTestCaseConfiguration() {
return array();
}
private function getComputedConfiguration() {
$config = $this->getPhabricatorTestCaseConfiguration() + array(
self::PHABRICATOR_TESTCONFIG_ISOLATE_LISK => true,
self::PHABRICATOR_TESTCONFIG_BUILD_STORAGE_FIXTURES => false,
);
if ($config[self::PHABRICATOR_TESTCONFIG_BUILD_STORAGE_FIXTURES]) {
// Fixtures don't make sense with process isolation.
$config[self::PHABRICATOR_TESTCONFIG_ISOLATE_LISK] = false;
}
return $config;
}
public function willRunTestCases(array $test_cases) {
$root = dirname(phutil_get_library_root('phabricator'));
require_once $root.'/scripts/__init_script__.php';
$config = $this->getComputedConfiguration();
if ($config[self::PHABRICATOR_TESTCONFIG_BUILD_STORAGE_FIXTURES]) {
++self::$storageFixtureReferences;
if (!self::$storageFixture) {
self::$storageFixture = $this->newStorageFixture();
}
}
++self::$testsAreRunning;
}
public function didRunTestCases(array $test_cases) {
if (self::$storageFixture) {
self::$storageFixtureReferences--;
if (!self::$storageFixtureReferences) {
self::$storageFixture = null;
}
}
--self::$testsAreRunning;
}
protected function willRunTests() {
$config = $this->getComputedConfiguration();
if ($config[self::PHABRICATOR_TESTCONFIG_ISOLATE_LISK]) {
LiskDAO::beginIsolateAllLiskEffectsToCurrentProcess();
}
$this->env = PhabricatorEnv::beginScopedEnv();
// NOTE: While running unit tests, we act as though all applications are
// installed, regardless of the install's configuration. Tests which need
// to uninstall applications are responsible for adjusting state themselves
// (such tests are exceedingly rare).
$this->env->overrideEnvConfig(
'phabricator.uninstalled-applications',
array());
$this->env->overrideEnvConfig(
'phabricator.show-prototypes',
true);
// Reset application settings to defaults, particularly policies.
$this->env->overrideEnvConfig(
'phabricator.application-settings',
array());
// We can't stub this service right now, and it's not generally useful
// to publish notifications about test execution.
$this->env->overrideEnvConfig(
'notification.servers',
array());
$this->env->overrideEnvConfig(
'phabricator.base-uri',
'http://phabricator.example.com');
$this->env->overrideEnvConfig(
'auth.email-domains',
array());
// Tests do their own stubbing/voiding for events.
$this->env->overrideEnvConfig('phabricator.silent', false);
$this->env->overrideEnvConfig('cluster.read-only', false);
}
protected function didRunTests() {
$config = $this->getComputedConfiguration();
if ($config[self::PHABRICATOR_TESTCONFIG_ISOLATE_LISK]) {
LiskDAO::endIsolateAllLiskEffectsToCurrentProcess();
}
try {
if (phutil_is_hiphop_runtime()) {
$this->env->__destruct();
}
unset($this->env);
} catch (Exception $ex) {
throw new Exception(
pht(
'Some test called %s, but is still holding '.
'a reference to the scoped environment!',
'PhabricatorEnv::beginScopedEnv()'));
}
}
protected function willRunOneTest($test) {
$config = $this->getComputedConfiguration();
if ($config[self::PHABRICATOR_TESTCONFIG_BUILD_STORAGE_FIXTURES]) {
LiskDAO::beginIsolateAllLiskEffectsToTransactions();
}
}
protected function didRunOneTest($test) {
$config = $this->getComputedConfiguration();
if ($config[self::PHABRICATOR_TESTCONFIG_BUILD_STORAGE_FIXTURES]) {
LiskDAO::endIsolateAllLiskEffectsToTransactions();
}
}
protected function newStorageFixture() {
$bytes = Filesystem::readRandomCharacters(24);
$name = self::NAMESPACE_PREFIX.$bytes;
return new PhabricatorStorageFixtureScopeGuard($name);
}
/**
* Returns an integer seed to use when building unique identifiers (e.g.,
* non-colliding usernames). The seed is unstable and its value will change
* between test runs, so your tests must not rely on it.
*
* @return int A unique integer.
*/
protected function getNextObjectSeed() {
self::$storageFixtureObjectSeed += mt_rand(1, 100);
return self::$storageFixtureObjectSeed;
}
protected function generateNewTestUser() {
$seed = $this->getNextObjectSeed();
$user = id(new PhabricatorUser())
->setRealName(pht('Test User %s', $seed))
->setUserName("test{$seed}")
->setIsApproved(1);
$email = id(new PhabricatorUserEmail())
->setAddress("testuser{$seed}@example.com")
->setIsVerified(1);
$editor = new PhabricatorUserEditor();
$editor->setActor($user);
$editor->createNewUser($user, $email);
return $user;
}
/**
* Throws unless tests are currently executing. This method can be used to
* guard code which is specific to unit tests and should not normally be
* reachable.
*
* If tests aren't currently being executed, throws an exception.
*/
public static function assertExecutingUnitTests() {
if (!self::$testsAreRunning) {
throw new Exception(
pht(
'Executing test code outside of test execution! '.
'This code path can only be run during unit tests.'));
}
}
protected function requireBinaryForTest($binary) {
if (!Filesystem::binaryExists($binary)) {
$this->assertSkipped(
pht(
'No binary "%s" found on this system, skipping test.',
$binary));
}
}
protected function newContentSource() {
return PhabricatorContentSource::newForSource(
PhabricatorUnitTestContentSource::SOURCECONST);
}
}

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