编写 PHPUnit 测试--异常测试与输出测试

<?php
class ExceptionTest extends PHPUnit_Framework_TestCase{
    /**
     * @expectedException InvalidArgumentException
     */
    public function testException()
    {
    }
}?>

phpunit ExceptionTestPHPUnit 4.2.0 by Sebastian Bergmann.
F
Time: 0 seconds, Memory: 4.75Mb
There was 1 failure:
1) ExceptionTest::testException
Expected exception InvalidArgumentException
FAILURES!
Tests: 1, Assertions: 1, Failures: 1.

<?php
class ExceptionTest extends PHPUnit_Framework_TestCase{
    /**
     * @expectedException        InvalidArgumentException
     * @expectedExceptionMessage Right Message
     */
    public function testExceptionHasRightMessage()
    {
        throw new InvalidArgumentException('Some Message', 10);
    }   
     /**
     * @expectedException              InvalidArgumentException
     * @expectedExceptionMessageRegExp /Right.*/
     */    public function testExceptionMessageMatchesRegExp()
    {
        throw new InvalidArgumentException('Some Message', 10);
    }    
    /**
     * @expectedException     InvalidArgumentException
     * @expectedExceptionCode 20
     */
    public function testExceptionHasRightCode()
    {
        throw new InvalidArgumentException('Some Message', 10);
    }
}?>

phpunit ExceptionTestPHPUnit 4.2.0 by Sebastian Bergmann.
FFF
Time: 0 seconds, Memory: 3.00Mb
There were 3 failures:
1) ExceptionTest::testExceptionHasRightMessage
Failed asserting that exception message 'Some Message' contains 'Right Message'.
2) ExceptionTest::testExceptionMessageMatchesRegExp
Failed asserting that exception message 'Some Message' matches '/Right.*/'.
3) ExceptionTest::testExceptionHasRightCode
Failed asserting that expected exception code 20 is equal to 10.
FAILURES!
Tests: 3, Assertions: 6, Failures: 3.

<?php
class ExceptionTest extends PHPUnit_Framework_TestCase{
    public function testException()
    {
        $this->setExpectedException('InvalidArgumentException');
    }   
     public function testExceptionHasRightMessage()
    {
        $this->setExpectedException(          'InvalidArgumentException', 'Right Message'
        );       
         throw new InvalidArgumentException('Some Message', 10);
    }   
     public function testExceptionMessageMatchesRegExp()
    {
        $this->setExpectedException(          'InvalidArgumentException', '/Right.*/', 10
        );       
         throw new InvalidArgumentException('The Wrong Message', 10);
    }   
     public function testExceptionHasRightCode()
    {
        $this->setExpectedException(          'InvalidArgumentException', 'Right Message', 20
        );       
         throw new InvalidArgumentException('The Right Message', 10);
    }
}?>

phpunit ExceptionTestPHPUnit 4.2.0 by Sebastian Bergmann.
FFFF
Time: 0 seconds, Memory: 3.00Mb
There were 4 failures:
1) ExceptionTest::testException
Expected exception InvalidArgumentException
2) ExceptionTest::testExceptionHasRightMessage
Failed asserting that exception message 'Some Message' contains 'Right Message'.
3) ExceptionTest::testExceptionMessageMatchesRegExp
Failed asserting that exception message 'The Wrong Message' contains '/Right.*/'.
4) ExceptionTest::testExceptionHasRightCode
Failed asserting that expected exception code 20 is equal to 10.
FAILURES!
Tests: 4, Assertions: 8, Failures: 4.

<?php
class ExceptionTest extends PHPUnit_Framework_TestCase {
    public function testException() {
        try {            // ... 预期会引发异常的代码 ...
        }        catch (InvalidArgumentException $expected) {            
        return;
        }        
        $this->fail('预期的异常未出现。');
    }
}?>

<?php
class ExpectedErrorTest extends PHPUnit_Framework_TestCase{
    /**
     * @expectedException PHPUnit_Framework_Error
     */
    public function testFailingInclude()
    {
        include 'not_existing_file.php';
    }
}?>

phpunit -d error_reporting=2 ExpectedErrorTestPHPUnit 4.2.0 by Sebastian Bergmann.
.
Time: 0 seconds, Memory: 5.25Mb
OK (1 test, 1 assertion)

<?php
class ErrorSuppressionTest extends PHPUnit_Framework_TestCase{
    public function testFileWriting() {
        $writer = new FileWriter;        
        $this->assertFalse(@$writer->write('/is-not-writeable/file', 'stuff'));
    }
}
class FileWriter{
    public function write($file, $content) {
        $file = fopen($file, 'w');       
         if($file == false) {           
          return false;
        }        // ...
    }
}?>

phpunit ErrorSuppressionTestPHPUnit 4.2.0 by Sebastian Bergmann.
.
Time: 1 seconds, Memory: 5.25Mb
OK (1 test, 1 assertion)

<?php
class OutputTest extends PHPUnit_Framework_TestCase{
    public function testExpectFooActualFoo()
    {
        $this->expectOutputString('foo');        
        print 'foo';
    }    
    public function testExpectBarActualBaz()
    {
        $this->expectOutputString('bar');       
         print 'baz';
    }
}?>

phpunit OutputTestPHPUnit 4.2.0 by Sebastian Bergmann.
.F
Time: 0 seconds, Memory: 5.75Mb
There was 1 failure:
1) OutputTest::testExpectBarActualBaz
Failed asserting that two strings are equal.
--- Expected
+++ Actual
@@ @@
-'bar'
+'baz'
FAILURES!
Tests: 2, Assertions: 2, Failures: 1.