PHPUnit::TestCase --  A TestCase defines the fixture to run multiple tests.

To define a TestCase

  • 1) Implement a subclass of PHPUnit_TestCase.

  • 2) Define instance variables that store the state of the fixture.

  • 3) Initialize the fixture state by overriding setUp().

  • 4) Clean-up after a test by overriding tearDown().

Each test runs in its own fixture so there can be no side effects among test runs.


    class MathTest extends PHPUnit_TestCase {
      var $fValue1;
      var $fValue2;

      function MathTest($name) {

      function setUp() {
        $this->fValue1 = 2;
        $this->fValue2 = 3;

For each test implement a method which interacts with the fixture. Verify the expected results with assertions specified by calling assert with a boolean.

function testPass() {
      $this->assertTrue($this->fValue1 + $this->fValue2 == 5);

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