TestSiteApplicationTest requires a database despite being a unit test

Created on 18 April 2018, over 6 years ago
Updated 11 September 2023, over 1 year ago

Problem/Motivation

Two problems:

1) Unit test requires a database

Running TestSiteApplicationTest in isolation reveals that it errors out.

That's because it uses the SIMPLETEST_DB environmental variable, which is intended for use by KernelTestBase tests.

$ ./vendor/bin/phpunit -c core/ --testsuite unit --filter TestSiteApplicationTest
PHPUnit 6.5.8 by Sebastian Bergmann and contributors.

Testing 
EEESS.                                                              6 / 6 (100%)

Time: 17.01 seconds, Memory: 136.00MB

There were 3 errors:

1) Drupal\Tests\Scripts\TestSiteApplicationTest::testInstallWithNonExistingFile
InvalidArgumentException: Minimum requirement: driver://host/database

/Users/paulmitchum/projects/drupal8/core/lib/Drupal/Core/Database/Database.php:460
/Users/paulmitchum/projects/drupal8/core/tests/Drupal/Tests/Scripts/TestSiteApplicationTest.php:267
/Users/paulmitchum/projects/drupal8/core/tests/Drupal/Tests/Scripts/TestSiteApplicationTest.php:47

This can be mitigated by setting the SIMPLETEST_DB variable in phpunit.xml, but this ruins the isolation between unit and kernel tests.

2) This test is never run by run-tests.sh

Since it lives in core/tests/Scripts, the test is not discovered when run-tests.sh runs tests.

You can see evidence of this in this recent HEAD test. See the actual tests that were run which does not include TestSiteApplicationTest: https://dispatcher.drupalci.org/job/php7_mysql5.5/5506/artifact/jenkins-...

Versus the test list generated for that same build which lists TestSiteApplicationTest: https://dispatcher.drupalci.org/job/php7_mysql5.5/5506/artifact/jenkins-...

Here's an issue about fixing that discrepancy: #2878269: Modify TestDiscovery so the testbot runs all the tests

Proposed resolution

#2878269: Modify TestDiscovery so the testbot runs all the tests is in, so the test has been running.

Convert the test to the new build test framework. This takes it out of the unit testsuite, which helps avoid the need for a database. Also, this test case is much better suited to a build test which can modify the file system to perform site installs in isolation.

This includes changing \Drupal\BuildTests\Framework\BuildTestBase::executeCommand to use env variable 'COLUMNS' set to PHP_INT_MAX, so that the command output is one line. This allows assertions on the text to work as one would expect.

Remaining tasks

Review
Commit

User interface changes

API changes

Data model changes

🐛 Bug report
Status

Needs work

Version

11.0 🔥

Component
Other 

Last updated about 3 hours ago

Created by

🇺🇸United States mile23 Seattle, WA

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