[57] | 1 | <?php |
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| 2 | // |
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| 3 | // PHP framework for testing, based on the design of "JUnit". |
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| 4 | // |
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| 5 | // Written by Fred Yankowski <fred@ontosys.com> |
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| 6 | // OntoSys, Inc <http://www.OntoSys.com> |
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| 7 | // |
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| 8 | // $Id: phpunit.php,v 1.1 2002/03/30 19:32:17 bmatzelle Exp $ |
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| 9 | |
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| 10 | // Copyright (c) 2000 Fred Yankowski |
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| 11 | |
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| 12 | // Permission is hereby granted, free of charge, to any person |
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| 13 | // obtaining a copy of this software and associated documentation |
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| 14 | // files (the "Software"), to deal in the Software without |
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| 15 | // restriction, including without limitation the rights to use, copy, |
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| 16 | // modify, merge, publish, distribute, sublicense, and/or sell copies |
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| 17 | // of the Software, and to permit persons to whom the Software is |
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| 18 | // furnished to do so, subject to the following conditions: |
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| 19 | // |
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| 20 | // The above copyright notice and this permission notice shall be |
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| 21 | // included in all copies or substantial portions of the Software. |
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| 22 | // |
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| 23 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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| 24 | // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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| 25 | // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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| 26 | // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
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| 27 | // BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
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| 28 | // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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| 29 | // CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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| 30 | // SOFTWARE. |
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| 31 | // |
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| 32 | error_reporting(E_ERROR | E_WARNING | E_PARSE | E_NOTICE | |
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| 33 | E_CORE_ERROR | E_CORE_WARNING); |
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| 34 | |
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| 35 | /* |
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| 36 | interface Test { |
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| 37 | function run(&$aTestResult); |
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| 38 | function countTestCases(); |
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| 39 | } |
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| 40 | */ |
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| 41 | |
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| 42 | function trace($msg) { |
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| 43 | return; |
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| 44 | print($msg); |
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| 45 | flush(); |
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| 46 | } |
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| 47 | |
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| 48 | |
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| 49 | class phpUnitException { |
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| 50 | /* Emulate a Java exception, sort of... */ |
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| 51 | var $message; |
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| 52 | var $type; |
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| 53 | function phpUnitException($message, $type = 'FAILURE') { |
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| 54 | $this->message = $message; |
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| 55 | $this->type = $type; |
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| 56 | } |
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| 57 | function getMessage() { |
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| 58 | return $this->message; |
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| 59 | } |
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| 60 | } |
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| 61 | |
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| 62 | class Assert { |
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| 63 | function assert($boolean, $message=0) { |
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| 64 | if (! $boolean) |
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| 65 | $this->fail($message); |
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| 66 | } |
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| 67 | |
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| 68 | function assertEquals($expected, $actual, $message=0) { |
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| 69 | if ($expected != $actual) { |
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| 70 | $this->failNotEquals($expected, $actual, "expected", $message); |
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| 71 | } |
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| 72 | } |
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| 73 | |
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| 74 | function assertRegexp($regexp, $actual, $message=false) { |
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| 75 | if (! preg_match($regexp, $actual)) { |
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| 76 | $this->failNotEquals($regexp, $actual, "pattern", $message); |
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| 77 | } |
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| 78 | } |
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| 79 | |
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| 80 | function failNotEquals($expected, $actual, $expected_label, $message=0) { |
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| 81 | // Private function for reporting failure to match. |
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| 82 | $str = $message ? ($message . ' ') : ''; |
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| 83 | $str .= "($expected_label/actual)<br>"; |
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| 84 | $htmlExpected = htmlspecialchars($expected); |
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| 85 | $htmlActual = htmlspecialchars($actual); |
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| 86 | $str .= sprintf("<pre>%s\n--------\n%s</pre>", |
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| 87 | $htmlExpected, $htmlActual); |
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| 88 | $this->fail($str); |
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| 89 | } |
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| 90 | } |
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| 91 | |
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| 92 | class TestCase extends Assert /* implements Test */ { |
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| 93 | /* Defines context for running tests. Specific context -- such as |
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| 94 | instance variables, global variables, global state -- is defined |
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| 95 | by creating a subclass that specializes the setUp() and |
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| 96 | tearDown() methods. A specific test is defined by a subclass |
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| 97 | that specializes the runTest() method. */ |
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| 98 | var $fName; |
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| 99 | var $fResult; |
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| 100 | var $fExceptions = array(); |
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| 101 | |
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| 102 | function TestCase($name) { |
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| 103 | $this->fName = $name; |
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| 104 | } |
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| 105 | |
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| 106 | function run($testResult=0) { |
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| 107 | /* Run this single test, by calling the run() method of the |
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| 108 | TestResult object which will in turn call the runBare() method |
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| 109 | of this object. That complication allows the TestResult object |
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| 110 | to do various kinds of progress reporting as it invokes each |
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| 111 | test. Create/obtain a TestResult object if none was passed in. |
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| 112 | Note that if a TestResult object was passed in, it must be by |
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| 113 | reference. */ |
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| 114 | if (! $testResult) |
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| 115 | $testResult = $this->_createResult(); |
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| 116 | $this->fResult = $testResult; |
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| 117 | $testResult->run(&$this); |
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| 118 | $this->fResult = 0; |
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| 119 | return $testResult; |
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| 120 | } |
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| 121 | |
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| 122 | function countTestCases() { |
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| 123 | return 1; |
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| 124 | } |
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| 125 | |
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| 126 | function runTest() { |
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| 127 | $name = $this->name(); |
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| 128 | // Since isset($this->$name) is false, no way to run defensive checks |
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| 129 | $this->$name(); |
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| 130 | } |
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| 131 | |
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| 132 | function setUp() /* expect override */ { |
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| 133 | //print("TestCase::setUp()<br>\n"); |
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| 134 | } |
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| 135 | |
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| 136 | function tearDown() /* possible override */ { |
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| 137 | //print("TestCase::tearDown()<br>\n"); |
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| 138 | } |
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| 139 | |
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| 140 | //////////////////////////////////////////////////////////////// |
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| 141 | |
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| 142 | |
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| 143 | function _createResult() /* protected */ { |
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| 144 | /* override this to use specialized subclass of TestResult */ |
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| 145 | return new TestResult; |
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| 146 | } |
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| 147 | |
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| 148 | function fail($message=0) { |
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| 149 | //printf("TestCase::fail(%s)<br>\n", ($message) ? $message : ''); |
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| 150 | /* JUnit throws AssertionFailedError here. We just record the |
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| 151 | failure and carry on */ |
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| 152 | $this->fExceptions[] = new Exception(&$message); |
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| 153 | } |
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| 154 | |
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| 155 | function error($message) { |
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| 156 | /* report error that requires correction in the test script |
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| 157 | itself, or (heaven forbid) in this testing infrastructure */ |
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| 158 | printf('<b>ERROR: ' . $message . '</b><br>'); |
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| 159 | $this->fResult->stop(); |
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| 160 | } |
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| 161 | |
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| 162 | function failed() { |
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| 163 | return count($this->fExceptions); |
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| 164 | } |
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| 165 | |
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| 166 | function getExceptions() { |
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| 167 | return $this->fExceptions; |
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| 168 | } |
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| 169 | |
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| 170 | function name() { |
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| 171 | return $this->fName; |
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| 172 | } |
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| 173 | |
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| 174 | function runBare() { |
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| 175 | $this->setup(); |
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| 176 | $this->runTest(); |
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| 177 | $this->tearDown(); |
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| 178 | } |
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| 179 | } |
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| 180 | |
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| 181 | |
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| 182 | class TestSuite /* implements Test */ { |
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| 183 | /* Compose a set of Tests (instances of TestCase or TestSuite), and |
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| 184 | run them all. */ |
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| 185 | var $fTests = array(); |
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| 186 | |
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| 187 | function TestSuite($classname=false) { |
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| 188 | if ($classname) { |
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| 189 | // Find all methods of the given class whose name starts with |
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| 190 | // "test" and add them to the test suite. We are just _barely_ |
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| 191 | // able to do this with PHP's limited introspection... Note |
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| 192 | // that PHP seems to store method names in lower case, and we |
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| 193 | // have to avoid the constructor function for the TestCase class |
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| 194 | // superclass. This will fail when $classname starts with |
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| 195 | // "Test" since that will have a constructor method that will |
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| 196 | // get matched below and then treated (incorrectly) as a test |
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| 197 | // method. So don't name any TestCase subclasses as "Test..."! |
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| 198 | if (floor(phpversion()) >= 4) { |
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| 199 | // PHP4 introspection, submitted by Dylan Kuhn |
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| 200 | $names = get_class_methods($classname); |
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| 201 | while (list($key, $method) = each($names)) { |
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| 202 | if (preg_match('/^test/', $method) && $method != "testcase") { |
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| 203 | $this->addTest(new $classname($method)); |
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| 204 | } |
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| 205 | } |
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| 206 | } |
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| 207 | else { |
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| 208 | $dummy = new $classname("dummy"); |
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| 209 | $names = (array) $dummy; |
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| 210 | while (list($key, $value) = each($names)) { |
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| 211 | $type = gettype($value); |
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| 212 | if ($type == "user function" && preg_match('/^test/', $key) |
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| 213 | && $key != "testcase") { |
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| 214 | $this->addTest(new $classname($key)); |
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| 215 | } |
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| 216 | } |
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| 217 | } |
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| 218 | } |
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| 219 | } |
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| 220 | |
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| 221 | function addTest($test) { |
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| 222 | /* Add TestCase or TestSuite to this TestSuite */ |
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| 223 | $this->fTests[] = $test; |
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| 224 | } |
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| 225 | |
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| 226 | function run(&$testResult) { |
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| 227 | /* Run all TestCases and TestSuites comprising this TestSuite, |
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| 228 | accumulating results in the given TestResult object. */ |
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| 229 | reset($this->fTests); |
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| 230 | while (list($na, $test) = each($this->fTests)) { |
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| 231 | if ($testResult->shouldStop()) |
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| 232 | break; |
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| 233 | $test->run(&$testResult); |
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| 234 | } |
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| 235 | } |
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| 236 | |
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| 237 | function countTestCases() { |
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| 238 | /* Number of TestCases comprising this TestSuite (including those |
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| 239 | in any constituent TestSuites) */ |
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| 240 | $count = 0; |
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| 241 | reset($fTests); |
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| 242 | while (list($na, $test_case) = each($this->fTests)) { |
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| 243 | $count += $test_case->countTestCases(); |
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| 244 | } |
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| 245 | return $count; |
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| 246 | } |
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| 247 | } |
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| 248 | |
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| 249 | |
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| 250 | class TestFailure { |
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| 251 | /* Record failure of a single TestCase, associating it with the |
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| 252 | exception(s) that occurred */ |
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| 253 | var $fFailedTestName; |
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| 254 | var $fExceptions; |
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| 255 | |
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| 256 | function TestFailure(&$test, &$exceptions) { |
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| 257 | $this->fFailedTestName = $test->name(); |
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| 258 | $this->fExceptions = $exceptions; |
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| 259 | } |
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| 260 | |
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| 261 | function getExceptions() { |
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| 262 | return $this->fExceptions; |
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| 263 | } |
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| 264 | function getTestName() { |
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| 265 | return $this->fFailedTestName; |
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| 266 | } |
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| 267 | } |
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| 268 | |
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| 269 | |
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| 270 | class TestResult { |
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| 271 | /* Collect the results of running a set of TestCases. */ |
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| 272 | var $fFailures = array(); |
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| 273 | var $fRunTests = 0; |
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| 274 | var $fStop = false; |
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| 275 | |
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| 276 | function TestResult() { } |
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| 277 | |
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| 278 | function _endTest($test) /* protected */ { |
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| 279 | /* specialize this for end-of-test action, such as progress |
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| 280 | reports */ |
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| 281 | } |
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| 282 | |
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| 283 | function getFailures() { |
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| 284 | return $this->fFailures; |
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| 285 | } |
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| 286 | |
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| 287 | function run($test) { |
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| 288 | /* Run a single TestCase in the context of this TestResult */ |
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| 289 | $this->_startTest($test); |
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| 290 | $this->fRunTests++; |
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| 291 | |
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| 292 | $test->runBare(); |
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| 293 | |
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| 294 | /* this is where JUnit would catch AssertionFailedError */ |
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| 295 | $exceptions = $test->getExceptions(); |
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| 296 | if ($exceptions) |
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| 297 | $this->fFailures[] = new TestFailure(&$test, &$exceptions); |
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| 298 | $this->_endTest($test); |
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| 299 | } |
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| 300 | |
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| 301 | function countTests() { |
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| 302 | return $this->fRunTests; |
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| 303 | } |
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| 304 | |
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| 305 | function shouldStop() { |
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| 306 | return $this->fStop; |
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| 307 | } |
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| 308 | |
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| 309 | function _startTest($test) /* protected */ { |
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| 310 | /* specialize this for start-of-test actions */ |
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| 311 | } |
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| 312 | |
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| 313 | function stop() { |
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| 314 | /* set indication that the test sequence should halt */ |
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| 315 | $fStop = true; |
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| 316 | } |
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| 317 | |
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| 318 | function countFailures() { |
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| 319 | return count($this->fFailures); |
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| 320 | } |
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| 321 | } |
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| 322 | |
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| 323 | |
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| 324 | class TextTestResult extends TestResult { |
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| 325 | /* Specialize TestResult to produce text/html report */ |
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| 326 | function TextTestResult() { |
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| 327 | $this->TestResult(); // call superclass constructor |
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| 328 | } |
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| 329 | |
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| 330 | function report() { |
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| 331 | /* report result of test run */ |
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| 332 | $nRun = $this->countTests(); |
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| 333 | $nFailures = $this->countFailures(); |
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| 334 | printf("<p>%s test%s run<br>", $nRun, ($nRun == 1) ? '' : 's'); |
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| 335 | printf("%s failure%s.<br>\n", $nFailures, ($nFailures == 1) ? '' : 's'); |
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| 336 | if ($nFailures == 0) |
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| 337 | return; |
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| 338 | |
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| 339 | print("<ol>\n"); |
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| 340 | $failures = $this->getFailures(); |
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| 341 | while (list($i, $failure) = each($failures)) { |
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| 342 | $failedTestName = $failure->getTestName(); |
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| 343 | printf("<li>%s\n", $failedTestName); |
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| 344 | |
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| 345 | $exceptions = $failure->getExceptions(); |
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| 346 | print("<ul>"); |
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| 347 | while (list($na, $exception) = each($exceptions)) |
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| 348 | printf("<li>%s\n", $exception->getMessage()); |
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| 349 | print("</ul>"); |
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| 350 | } |
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| 351 | print("</ol>\n"); |
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| 352 | } |
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| 353 | |
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| 354 | function _startTest($test) { |
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| 355 | printf("%s ", $test->name()); |
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| 356 | flush(); |
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| 357 | } |
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| 358 | |
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| 359 | function _endTest($test) { |
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| 360 | $outcome = $test->failed() |
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| 361 | ? "<font color=\"red\">FAIL</font>" |
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| 362 | : "<font color=\"green\">ok</font>"; |
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| 363 | printf("$outcome<br>\n"); |
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| 364 | flush(); |
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| 365 | } |
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| 366 | } |
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| 367 | |
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| 368 | |
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| 369 | class TestRunner { |
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| 370 | /* Run a suite of tests and report results. */ |
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| 371 | function run($suite) { |
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| 372 | $result = new TextTestResult; |
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| 373 | $suite->run($result); |
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| 374 | $result->report(); |
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| 375 | } |
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| 376 | } |
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| 377 | |
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| 378 | ?> |
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