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ThinkTank Tests

All code submitted to the repository should have corresponding tests that pass. Here’s how to run and write tests.

Running Tests

First, configure your test environment. Copy tests/ to tests/ and set the appropriate values. You will need a clean, empty database to run your tests. By default, name it thinktank_tests and set the $TEST_DATABASE config variable to that name.

Then, to run a particular test, like the UserDAO test, in the thinktank source code root folder, use this command:

$ php tests/userdao_test.php

To run all the tests, use:

$ php tests/all_tests.php

The webapp tests contained in tests/frontend_test.php assumes you have a local installation of ThinkTank and that it is using your test database. Make sure you update your to point to the thinktank_tests database before running the webapp tests.

Writing Tests

The test suite assumes there is an empty tests database (like thinktank_tests) which the default ThinkTank db user can access. If your test needs to read and write to the ThinkTank database, extend ThinkTankUnitTestCase and run parent::setUp() in your setUp() method, and parent::tearDown() in your tearDown() method. These methods create an empty copy of the ThinkTank database structure to execute a test, then drop all the tables in it when the test is complete. After you call the parent setUp() method in your test’s setUp(), insert the data your test requires.

Best practices for writing tests are still getting developed. In the meantime, use some existing tests as examples.

DAO Tests

See userdao_test.php as an example of a set of DAO tests.

Web Page Tests

Add tests for particular pages inside the webapp to frontend_test.php.

Crawler Tests

To test consumption of data from web services, mock up the appropriate classes and store test data to local files in the format the API would return them in.
For example, the classes/mock.TwitterOAuth.php class reads Twitter data from the files in the testdata directory.

See twittercrawler_test.php as an example of the Twitter crawler test.

Once your tests work, add them to the all_tests.php file to run along with the existing tests.

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