1. Beginning PHPUnit

2. Jace Ju / jaceju /
PHP Smarty
Plurk: http://www.plurk.com/jaceju >////<

5. • PHPUnit

6. • PHPUnit
• PHPUnit

7. • PHPUnit
• PHPUnit
•

8. • PHPUnit
• PHPUnit
•
•

10. Question 1

11. Web

15. Question 2

19. Question 3

20. bug
bugs

21. Bugs

24. Example

25. 1 + 2 + 3 + ... + N = ?

27. project
├── application
└── library
│ └── Math.php
└── run_test.php

28. project
├── application
└── library
│ └── Math.php
└── run_test.php

29. project
├── application
└── library
│ └── Math.php
└── run_test.php

30. project
├── application
└── library
│ └── Math.php
└── run_test.php

31. project
├── application
└── library
│ └── Math.php
└── run_test.php

32. Math.php

33. Math.php

34. Math.php
<?php
class Math
{
}

35. Math.php
<?php
class Math
{
Math::sum public static function sum($min, $max)
{
$sum = 0;
for ($i = $min; $i <= $max; $i++) {
$sum += $i;
}
return $sum;
}
}

36. Math.php
//
TEST_MODE if (defined('TEST_MODE')) {
}

37. Math.php
//
if (defined('TEST_MODE')) {
// Test 1
$result = Math::sum(1, 10);
1 10 if (55 !== $result) {
echo "Test 1 failed!n";
} else {
echo "Test 1 OK!n";
}
}

38. Math.php
//
if (defined('TEST_MODE')) {
// Test 1
$result = Math::sum(1, 10);
if (55 !== $result) {
echo "Test 1 failed!n";
} else {
echo "Test 1 OK!n";
}
// Test 2
$result = Math::sum(1, 100);
if (5050 !== $result) {
1 100 echo "Test 2 failed!n";
} else {
echo "Test 2 OK!n";
}
}

39. run_test.php

40. run_test.php

41. run_test.php
<?php
TEST_MODE define('TEST_MODE', true);

42. run_test.php
<?php
define('TEST_MODE', true);
require_once __DIR__ . '/library/Math.php';

44. # php run_test.php

45. # php run_test.php
Test 1 OK!
Test 2 OK!

53. ...

55. PHPUnit
by Sebastian Bergmann
http://phpunit.de

56. JUnit
http://www.junit.org/

57. xUnit
http://en.wikipedia.org/wiki/List_of_unit_testing_frameworks

58. # pear channel-discover pear.symfony-project.com
# pear install symfony/YAML
# pear channel-discover pear.phpunit.de
# pear channel-discover components.ez.no
# pear install -o phpunit/phpunit

59. PHPUnit

61. project
├── application
└── library
└── Math.php

62. project
├── application
├── library
│ └── Math.php
└── tests

63. project
├── application
├── library
│ └── Math.php
└── tests
├── application
( tests )
└── library

65. project
├── application
├── library
│ └── Math.php
└── tests
├── application
└── library

66. project
├── application
├── library
│ └── Math.php
└── tests
├── application
└── library
library
MathTest.php └── MathTest.php

67. MathTest.php

68. MathTest.php
<?php
class MathTest
Test Case {
}

69. MathTest.php
<?php
class MathTest
{
}

70. MathTest.php
<?php
require_once __DIR__ . '/Math.php';
class MathTest
{
}

71. MathTest.php
<?php
require_once __DIR__ . '/Math.php';
PHPUnit class MathTest extends PHPUnit_Framework_TestCase
TestCase {
}

72. MathTest.php
<?php
require_once __DIR__ . '/Math.php';
class MathTest extends PHPUnit_Framework_TestCase
{
public function testSum()
{
}
}

73. MathTest.php
<?php
require_once __DIR__ . '/Math.php';
class MathTest extends PHPUnit_Framework_TestCase
{
public function testSum()
test {
}
}

74. MathTest.php
<?php
require_once __DIR__ . '/Math.php';
class MathTest extends PHPUnit_Framework_TestCase
{
test public function testSum()
{
CamelCase
}
}

75. MathTest.php
<?php
require_once __DIR__ . '/Math.php';
class MathTest extends PHPUnit_Framework_TestCase
{
public function testSum()
{
$this->assertEquals(55, Math::sum(1, 10));
PHPUnit $this->assertEquals(5050, Math::sum(1, 100));
assertions }
}

76. MathTest.php
<?php
require_once __DIR__ . '/Math.php';
class MathTest extends PHPUnit_Framework_TestCase
{
public function testSum()
{
$this->assertEquals(55, Math::sum(1, 10));
$this->assertEquals(5050, Math::sum(1, 100));
}
}

77. MathTest.php
<?php
require_once __DIR__ . '/Math.php';
class MathTest extends PHPUnit_Framework_TestCase
{
public function testSum()
{
$this->assertEquals(55, Math::sum(1, 10));
$this->assertEquals(5050, Math::sum(1, 100));
}
}

78. # phpunit tests/library/MathTest
console
php

79. # phpunit tests/library/MathTest
PHPUnit 3.5.15 by Sebastian Bergmann.
.
Time: 0 seconds, Memory: 5.25Mb
OK (1 test, 2 assertions)

80. # phpunit tests/library/MathTest
PHPUnit 3.5.15 by Sebastian Bergmann.
.
Time: 0 seconds, Memory: 5.25Mb
OK (1 test, 2 assertions)
assertions

82. phpunit
PHPUnit

83. Test Case
Tests
testXxxx

84. Test
assertions

85. assertions

86. Data Provider

87. MathTest.php
<?php
require_once dirname(dirname(__DIR__)) . '/library/Math.php';
class MathTest extends PHPUnit_Framework_TestCase
{
public function testSum()
MathTest {
$this->assertEquals(55, Math::sum(1, 10 ));
}
}

88. MathTest.php
<?php
require_once dirname(dirname(__DIR__)) . '/library/Math.php';
class MathTest extends PHPUnit_Framework_TestCase
{
public function testSum($expected, $min, $max)
{
$this->assertEquals(55, Math::sum(1, 10 ));
}
}

89. MathTest.php
<?php
require_once dirname(dirname(__DIR__)) . '/library/Math.php';
class MathTest extends PHPUnit_Framework_TestCase
{
public function testSum($expected, $min, $max)
{
$this->assertEquals($expected, Math::sum($min, $max));
}
}

90. MathTest.php
<?php
require_once dirname(dirname(__DIR__)) . '/library/Math.php';
class MathTest extends PHPUnit_Framework_TestCase
{
public function testSum($expected, $min, $max)
{
$this->assertEquals($expected, Math::sum($min, $max));
}
public function myDataProvider()
public {
return array(
array(55, 1, 10),
array(5050, 1, 100)
);
}
}

91. MathTest.php
<?php
require_once dirname(dirname(__DIR__)) . '/library/Math.php';
class MathTest extends PHPUnit_Framework_TestCase
{
public function testSum($expected, $min, $max)
{
$this->assertEquals($expected, Math::sum($min, $max));
}
public function myDataProvider()
{
return array(
array(55, 1, 10),
array(5050, 1, 100)
);
}
}

92. MathTest.php
<?php
require_once dirname(dirname(__DIR__)) . '/library/Math.php';
class MathTest extends PHPUnit_Framework_TestCase
{
/**
PHPUnit * @dataProvider myDataProvider
@dataProvider */
annotation public function testSum($expected, $min, $max)
data provider {
$this->assertEquals($expected, Math::sum($min, $max));
}
public function myDataProvider()
{
return array(
array(55, 1, 10),
array(5050, 1, 100)
);
}
}

93. # phpunit tests/library/MathTest

94. # phpunit tests/library/MathTest
PHPUnit 3.5.15 by Sebastian Bergmann.
..
Time: 0 seconds, Memory: 5.25Mb
OK (2 tests, 2 assertions)
tests

95. Provider
Test

96. Situation

97. Math::sum
...

98. Math::sum
...

99. 1 + 2 + 3 + ... + N
=

100. Math::sum

101. Math.php
<?php
Math.php class Math
{
public static function sum($min, $max)
{
$sum = 0;
for ($i = $min; $i <= $max; $i++) {
$sum += $i;
}
return $sum;
}
}

102. Math.php
<?php
class Math
{
public static function sum($min, $max)
{
$sum = 0;
return $sum;
}
}

103. Math.php
<?php
class Math
{
public static function sum($min, $max)
{
$sum = $min + $max * $max / 2;
return $sum;
}
}

104. # phpunit tests/library/MathTest
MathTest.php

105. # phpunit tests/library/MathTest
PHPUnit 3.5.15 by Sebastian Bergmann.
F
Time: 0 seconds, Memory: 6.00Mb
There was 1 failure:
1) MathTest03::testSum
Failed asserting that <integer:51> matches expected <integer:
55>.
/path/to/tests/library/MathTest.php:7
FAILURES!
Tests: 1, Assertions: 1, Failures: 1.

106. # phpunit tests/library/MathTest
PHPUnit 3.5.15 by Sebastian Bergmann.
F
Time: 0 seconds, Memory: 6.00Mb
There was 1 failure:
1) MathTest03::testSum
Failed asserting that <integer:51> matches expected <integer:
55
51
55>.
/path/to/tests/library/MathTest.php:7
FAILURES!
Tests: 1, Assertions: 1, Failures: 1.

107. Math.php
<?php
class Math
{
/**
*
*/
public static function sum($min, $max)
{
$sum = $min + $max * $max / 2;
return $sum;
}
}

108. Math.php
<?php
class Math
{
/**
*
*/
public static function sum($min, $max)
{
$sum = ($min + $max) * $max / 2;
return $sum;
}
}

109. # phpunit tests/library/MathTest
PHPUnit 3.5.15 by Sebastian Bergmann.
.
Time: 0 seconds, Memory: 5.25Mb
OK (1 test, 2 assertions)

112. SQL Select
ORM Framework

114. • DbSelect

115. • DbSelect
•

116. • DbSelect
•
‣ from SELECT FROM

117. • DbSelect
•
‣ from SELECT FROM
‣ cols SELECT *

118. Example 1
$select = new DbSelect();
echo $select->from(‘table’);
SELECT * FROM table

119. Example 2
$select = new DbSelect();
echo $select->from(‘table’)->cols(array(
‘col_a’, ‘col_b’));
SELECT col_a, col_b FROM table

120. project
├── application
├── library
│ └── DbSelect.php
└── tests
├── application
└── library
└── DbSelectTest.php

121. DbSelect.php
<?php
DbSelect
class DbSelect
{
}

122. DbSelectTest.php
<?php
require_once dirname(dirname(__DIR__)) . '/library/DbSelect.php';
class DbSelectTest extends PHPUnit_Framework_TestCase
{
}

123. DbSelectTest.php
<?php
require_once dirname(dirname(__DIR__)) . '/library/DbSelect.php';
class DbSelectTest extends PHPUnit_Framework_TestCase
{
public function testFrom()
{
from
}
}

124. DbSelectTest.php
<?php
require_once dirname(dirname(__DIR__)) . '/library/DbSelect.php';
class DbSelectTest extends PHPUnit_Framework_TestCase
{
public function testFrom()
{
$select = new DbSelect();
$select->from('test');
$this->assertEquals('SELECT * FROM test',
$select->__toString());
}
}

125. DbSelect.php
<?php
DbSelect.php class DbSelect
{
}

126. DbSelect.php
<?php
class DbSelect
{
public function from($table)
from
{
}
}

127. DbSelect.php
<?php
class DbSelect
{
public function from($table)
{
}
public function __toString()
__toString
{
}
}

128. DbSelect.php
<?php
class DbSelect
{
public function from($table)
{
}
public function __toString()
{
return 'SELECT * FROM test';
}
}

129. # phpunit tests/library/DbSelectTest
PHPUnit 3.5.15 by Sebastian Bergmann.
.
Time: 0 seconds, Memory: 5.25Mb
OK (1 test, 1 assertions)

131. DbSelect.php
<?php
class DbSelect
{
public function from($table)
{
}
public function __toString()
{
table
return 'SELECT * FROM ' . $this->_table;
}
}

132. DbSelect.php
<?php
class DbSelect
{
$_table protected $_table = 'table';
public function from($table)
{
}
public function __toString()
{
return 'SELECT * FROM ' . $this->_table;
}
}

133. DbSelect.php
<?php
class DbSelect
{
protected $_table = 'table';
public function from($table)
{
if (!preg_match('/[0-9a-z]+/i', $table)) {
throw new IllegalNameException('Illegal Table Name');
from
}
setter
$this->_table = $table;
return $this;
}
public function __toString()
{
return 'SELECT * FROM ' . $this->_table;
}
}

134. # phpunit tests/library/DbSelectTest
PHPUnit 3.5.15 by Sebastian Bergmann.
.
Time: 0 seconds, Memory: 5.25Mb
OK (1 test, 1 assertions)

135. Design → Write Test → Coding
Direction → Find Target → Fire

137. DbSelectTest.php
<?php
require_once dirname(dirname(__DIR__)) . '/library/DbSelect.php';
class DbSelectTest extends PHPUnit_Framework_TestCase
{
DbSelectTest.php public function testFrom()
{
$select = new DbSelect();
$select->from('test');
$this->assertEquals('SELECT * FROM test',
$select->__toString());
}
}

138. DbSelectTest.php
<?php
require_once dirname(dirname(__DIR__)) . '/library/DbSelect.php';
class DbSelectTest extends PHPUnit_Framework_TestCase
{
public function testFrom()
{
$select = new DbSelect();
$select->from('test');
$this->assertEquals('SELECT * FROM test',
$select->__toString());
}
public function testCols()
{
cols $select = new DbSelect();
$select->from('test')->cols(array(
'col_a',
'col_b',
));
$this->assertEquals('SELECT col_a, col_b FROM test',
$select->__toString());
}
}

139. DbSelect.php
<?php
DbSelect.php class DbSelect
{
protected $_table = 'table';
public function from($table)
{
if (!preg_match('/[0-9a-z]+/i', $table)) {
throw new IllegalNameException('Illegal Table Name');
}
$this->_table = $table;
return $this;
}
public function __toString()
{
return 'SELECT * FROM ' . $this->_table;
}
}

140. DbSelect.php
<?php
class DbSelect
{
protected $_table = 'table';
public function from($table)
{
if (!preg_match('/[0-9a-z]+/i', $table)) {
throw new IllegalNameException('Illegal Table Name');
}
$this->_table = $table;
return $this;
}
cols public function cols($cols)
{
$this->_cols = (array) $cols;
return $this;
}
public function __toString()
{
return 'SELECT * FROM ' . $this->_table;
}
}

141. DbSelect.php
<?php
class DbSelect
{
protected $_table = 'table';
$_cols protected $_cols = '*';
public function from($table)
{
if (!preg_match('/[0-9a-z]+/i', $table)) {
throw new IllegalNameException('Illegal Table Name');
}
$this->_table = $table;
return $this;
}
public function cols($cols)
{
$this->_cols = (array) $cols;
return $this;
}
public function __toString()
{
return 'SELECT * FROM ' . $this->_table;
}
}

142. DbSelect.php
<?php
class DbSelect
{
protected $_table = 'table';
protected $_cols = '*';
public function from($table)
{
if (!preg_match('/[0-9a-z]+/i', $table)) {
throw new IllegalNameException('Illegal Table Name');
}
$this->_table = $table;
return $this;
}
public function cols($cols)
{
$this->_cols = (array) $cols;
return $this;
}
public function __toString()
{
$_cols $cols = implode(', ', (array) $this->_cols);
* return 'SELECT ' . $cols . ' FROM ' . $this->_table;
}
}

143. # phpunit tests/library/DbSelectTest
PHPUnit 3.5.15 by Sebastian Bergmann.
.
Time: 0 seconds, Memory: 5.25Mb
OK (2 test, 2 assertions)

145. bug

147. DbSelectTest.php
<?php
require_once dirname(dirname(__DIR__)) . '/library/DbSelect.php';
DbSelectTest.php class DbSelectTest extends PHPUnit_Framework_TestCase
{
public function testFrom()
{
$select = new DbSelect();
$select->from('test');
$this->assertEquals('SELECT * FROM test',
$select->__toString());
}
public function testCols()
{
$select = new DbSelect();
$select->from('test')->cols(array(
'col_a',
'col_b',
));
$this->assertEquals('SELECT col_a, col_b FROM test',
$select->__toString());
}
}

148. DbSelectTest.php
<?php
require_once dirname(dirname(__DIR__)) . '/library/DbSelect.php';
class DbSelectTest extends PHPUnit_Framework_TestCase
{
public function testFrom()
{
$select = new DbSelect();
$select->from('test');
$this->assertEquals('SELECT * FROM test',
$select->__toString());
}
new DbSelect() public function testCols()
{
$select = new DbSelect();
$select->from('test')->cols(array(
'col_a',
'col_b',
));
$this->assertEquals('SELECT col_a, col_b FROM test',
$select->__toString());
}
}

149. DRY
Don't Repeat Yourself

150. Fixture

151. DbSelectTest.php
<?php
require_once dirname(dirname(__DIR__)) . '/library/DbSelect.php';
class DbSelectTest extends PHPUnit_Framework_TestCase
{
public function testFrom()
{
$select->from('test');
$this->assertEquals('SELECT * FROM test',
new DbSelect() $select->__toString());
}
public function testCols()
{
$select->from('test')->cols(array('col_a', 'col_b'));
$this->assertEquals('SELECT col_a, col_b FROM test',
$select->__toString());
}
}

152. DbSelectTest.php
<?php
require_once dirname(dirname(__DIR__)) . '/library/DbSelect.php';
class DbSelectTest extends PHPUnit_Framework_TestCase
{
fixture protected $_select;
public function testFrom()
{
$select->from('test');
$this->assertEquals('SELECT * FROM test',
$select->__toString());
}
public function testCols()
{
$select->from('test')->cols(array('col_a', 'col_b'));
$this->assertEquals('SELECT col_a, col_b FROM test',
$select->__toString());
}
}

153. DbSelectTest.php
<?php
require_once dirname(dirname(__DIR__)) . '/library/DbSelect.php';
class DbSelectTest extends PHPUnit_Framework_TestCase
{
protected $_select;
protected function setUp()
{
setUp $this->_select = new DbSelect();
fixture }
public function testFrom()
{
$select->from('test');
$this->assertEquals('SELECT * FROM test',
$select->__toString());
}
public function testCols()
{
$select->from('test')->cols(array('col_a', 'col_b'));
$this->assertEquals('SELECT col_a, col_b FROM test',
$select->__toString());
}
}

154. DbSelectTest.php
<?php
require_once dirname(dirname(__DIR__)) . '/library/DbSelect.php';
class DbSelectTest extends PHPUnit_Framework_TestCase
{
protected $_select;
protected function setUp()
{
$this->_select = new DbSelect();
}
public function testFrom()
{
$select->from('test');
$this->assertEquals('SELECT * FROM test',
$select->__toString());
}
public function testCols()
{
$select->from('test')->cols(array('col_a', 'col_b'));
$this->assertEquals('SELECT col_a, col_b FROM test',
$select->__toString());
}
protected function tearDown()
{
$this->_select = null;
tearDown
}
fixture }

155. DbSelectTest.php
<?php
require_once dirname(dirname(__DIR__)) . '/library/DbSelect.php';
class DbSelectTest extends PHPUnit_Framework_TestCase
{
protected $_select;
protected function setUp()
{
$this->_select = new DbSelect();
}
public function testFrom()
{
$this->_select->from('test');
$this->assertEquals('SELECT * FROM test',
$this->_select->__toString());
$select }
$this->_select
public function testCols()
{
$this->_select->from('test')->cols(array('col_a', 'col_b'));
$this->assertEquals('SELECT col_a, col_b FROM test',
$this->_select->__toString());
}
protected function tearDown()
{
$this->_select = null;
}
}

156. setUp() → testFrom() → tearDown()
setUp() → testCols() → tearDown()

157. # phpunit tests/library/DbSelectTest
DbSelectTest PHPUnit 3.5.15 by Sebastian Bergmann.
.
Time: 0 seconds, Memory: 5.25Mb
OK (2 test, 2 assertions)

159. “Houston, we have a problem.”

160. DbSelect
bug

161. $select = new DbSelect();
$select->from('table')->where('id = 1');
where

162. $select = new DbSelect();
$select->from('table')->where('id = 1');
//
// SELECT * FROM table WHERE id = 1

163. $select = new DbSelect();
$select->from('table WHERE id = 1');
//
// SELECT * FROM table WHERE id = 1

164. Bug

166. DbSelectTest.php
<?php
require_once dirname(dirname(__DIR__)) . '/library/DbSelect.php';
DbSelectTest.php class DbSelectTest extends PHPUnit_Framework_TestCase
{
// ... ...
}

167. DbSelectTest.php
<?php
require_once dirname(dirname(__DIR__)) . '/library/DbSelect.php';
class DbSelectTest extends PHPUnit_Framework_TestCase
{
// ... ...
public function testIllegalTableName()
{
try {
$this->_select->from('test WHERE id = 1');
}
catch (IllegalNameException $e) {
throw $e;
}
}
}

168. DbSelectTest.php
<?php
require_once dirname(dirname(__DIR__)) . '/library/DbSelect.php';
class DbSelectTest extends PHPUnit_Framework_TestCase
{
// ... ...
/**
PHPUnit * @expectedException IllegalNameException
@expectedException */
annotation public function testIllegalTableName()
{
try {
$this->_select->from('test WHERE id = 1');
}
catch (IllegalNameException $e) {
throw $e;
}
}
}

169. # phpunit tests/library/DbSelectTest
PHPUnit 3.5.15 by Sebastian Bergmann.
.F.
Time: 0 seconds, Memory: 6.00Mb
There was 1 failure:
1) DbSelectTest::testIllegalTableName
IllegalNameException Expected exception IllegalNameException
FAILURES!
Tests: 3, Assertions: 3, Failures: 1.

171. DbSelectTest.php
<?php
DbSelect.php class DbSelect
{
// ... ...
public function from($table)
{
if (!preg_match('/[0-9a-z]+/i', $table)) {
throw new Exception('Illegal Table Name: ' . $table);
}
$this->_table = $table;
return $this;
}
// ... ...
}

172. DbSelectTest.php
<?php
class DbSelect
{
// ... ...
public function from($table)
{
if (!preg_match('/[0-9a-z]+/i', $table)) {
throw new Exception('Illegal Table Name: ' . $table);
}
$this->_table = $table;
return $this;
}
// ... ...
}

173. DbSelectTest.php
<?php
class DbSelect
{
// ... ...
public function from($table)
{
^ $ if (!preg_match('/^[0-9a-z]+$/i', $table)) {
throw new Exception('Illegal Table Name: ' . $table);
}
$this->_table = $table;
return $this;
}
// ... ...
}

174. # phpunit tests/library/DbSelectTest
PHPUnit 3.5.15 by Sebastian Bergmann.
...
Time: 1 second, Memory: 5.50Mb
OK (3 tests, 3 assertions)

175. bug

177. Test Suite

178. tests
phpunit tests

180. phpunit.xml

181. project
├── application
├── library
└── tests
phpunit.xml
tests
└── phpunit.xml

182. phpunit.xml
<phpunit>
root tag phpunit
</phpunit>

183. phpunit.xml
<phpunit colors=”true”>
root tag
</phpunit>

184. phpunit.xml
<phpunit colors=”true”>
test suites <testsuite name="Application Test Suite">
<directory>./application</directory>
</testsuite>
<testsuite name="Library Test Suite">
<directory>./library</directory>
</testsuite>
</phpunit>

185. phpunit.xml
# phpunit -c tests/phpunit.xml
PHPUnit 3.5.15 by Sebastian Bergmann.
....
Time: 0 seconds, Memory: 6.00Mb
colors=”true” OK (4 tests, 4 assertions)

186. phpunit.xml
<phpunit colors=”true” bootstrap=”./bootstrap.php”>
<testsuite name="Application Test Suite">
PHP <directory>./application</directory>
</testsuite>
<testsuite name="Library Test Suite">
<directory>./library</directory>
</testsuite>
</phpunit>

187. bootstrap.php
<?php
define('PROJECT_PATH', realpath(dirname(__DIR__)));
set_include_path(implode(PATH_SEPARATOR, array(
realpath(PROJECT_PATH . '/library'),
realpath(PROJECT_PATH . '/application'),
get_include_path()
)));
function autoload($className)
{
$className = str_replace('_', '/', $className);
require_once "$className.php";
}
spl_autoload_register('autoload');

188. phpunit.xml
http://goo.gl/tvmq4

194. Slides