PHPUnit setUp() never called

Question

When I run phpunit, my fixtures are null. I initialize the fixtures in setUp(), but my debugging has shown it is never called. I tried having the member variables be assigned the proper values in the child class, but they remain null, which boggles my mind.

// Unit/Base.Unit.php Class BaseUnit extends PHPUnit_Framework_TestCase { // Tests for Base Object methods } // Unit/Validation/Validation.Unit.php Class ValidationUnit extends BaseUnit { protected $validationClass; protected $validData; protected $invalidData; protected function newValidationInstance($data) { return new $this->validationClass($data); } public function testValidData() { $instance = $this->newValidationInstance($this->validData); $this->assertEquals('true', $instance->isValid()); } // ... other tests for validation ... } // Unit/Validation/Email.Test.php Class EmailTest extends ValidationUnit { protected function setUp() { $this->class = "Email"; $this->validData = "[email protected]"; $this->invalidData = "fdksljfa"; } }

Running PHPUnit...

phpunit --bootstrap /some/config.php Unit/ PHPUnit 4.2.2 by Sebastian Bergmann. .E Fatal error: Class name must be a valid object or a string in /opt/bitnami/some/path/Unit/Validation/Validation.Unit.php on line 9

What I'm expecting to happen is for phpunit to start tests on EmailTest, and run the tests both in it and it's parent classes. The Validation class has a ton of subclasses (Email, ZipCode, etc) so having all the testing in Validation is a huge win.

But I can't call setUp(), so I can't instantiate the proper Validation classes.

Edit

So it turns out that setUp() is called before any tests in the class that setUp() is defined in but not before other tests, including tests in parent classes.

So in order to control the order of tests, I'm having each class define an invokeTests() function containing it's tests, and then calling it's parent's invokeTests() method. That way, tests will be executed with respect to OO hierarchy.

It won't call the setUp method from the child class. The way you have your classes written, you shouldn't be running the parent classes. To ignore the parent classes check out: stackoverflow.com/questions/5934347/… — Tyler Marien
– Tyler Marien, Commented Aug 28, 2014 at 22:41
Why won't it call setUp() from the child class? Why shouldn't I run the tests in parent classes? That's where all the test logic is. If you mean that they shouldn't be picked up by phpunit cli, I'm pretty sure they're not since the parent classes filesnames are *.Unit.php, and the Email test is Email.Test.php, which means they are ignored by phpunit's search for tests. — PandemoniumSyndicate
– PandemoniumSyndicate, Commented Aug 28, 2014 at 22:51
Inheritance doesn't work that way. Parent classes don't know what is defined in their child classes. What would happen if you defined two child classes with 2 implementations of setUp? — Tyler Marien
– Tyler Marien, Commented Aug 28, 2014 at 22:54
As far as the way you are writing your test, you are trying to make it too generic. Just write the test in EmailTest with the appropriate class and data. — Tyler Marien
– Tyler Marien, Commented Aug 28, 2014 at 22:55
Ahh! Seem to have found the issue. setUp() is called before any tests in that class, but not necessarily before other tests, including those defined in their superclasses. I think this makes sense since PHPUnit does some meta-magic of calling functions based on their name, not on the hierarchical relations. — PandemoniumSyndicate
– PandemoniumSyndicate, Commented Aug 29, 2014 at 0:41

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