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| author | wei <> | 2006-07-05 07:35:50 +0000 |
|---|---|---|
| committer | wei <> | 2006-07-05 07:35:50 +0000 |
| commit | b6dfb6c447cf502e694d299dbda1b2e092c3312d (patch) | |
| tree | b1bbd0abf857cca4b297d575942efa60edd12480 /test_tools/simpletest/docs/en/group_test_documentation.html | |
| parent | b5c7c7b77d33aa3e04ed6c16a489a2076a30f57a (diff) | |
move tests to test_tools
Diffstat (limited to 'test_tools/simpletest/docs/en/group_test_documentation.html')
| -rwxr-xr-x | test_tools/simpletest/docs/en/group_test_documentation.html | 357 |
1 files changed, 357 insertions, 0 deletions
diff --git a/test_tools/simpletest/docs/en/group_test_documentation.html b/test_tools/simpletest/docs/en/group_test_documentation.html new file mode 100755 index 00000000..adbc66ef --- /dev/null +++ b/test_tools/simpletest/docs/en/group_test_documentation.html @@ -0,0 +1,357 @@ +<html> +<head> +<META http-equiv="Content-Type" content="text/html; charset=UTF-8"> +<title>SimpleTest for PHP group test documentation</title> +<link rel="stylesheet" type="text/css" href="docs.css" title="Styles"> +</head> +<body> +<div class="menu_back"> +<div class="menu"> +<h2> +<a href="index.html">SimpleTest</a> +</h2> +<ul> +<li> +<a href="overview.html">Overview</a> +</li> +<li> +<a href="unit_test_documentation.html">Unit tester</a> +</li> +<li> +<span class="chosen">Group tests</span> +</li> +<li> +<a href="server_stubs_documentation.html">Server stubs</a> +</li> +<li> +<a href="mock_objects_documentation.html">Mock objects</a> +</li> +<li> +<a href="partial_mocks_documentation.html">Partial mocks</a> +</li> +<li> +<a href="reporter_documentation.html">Reporting</a> +</li> +<li> +<a href="expectation_documentation.html">Expectations</a> +</li> +<li> +<a href="web_tester_documentation.html">Web tester</a> +</li> +<li> +<a href="form_testing_documentation.html">Testing forms</a> +</li> +<li> +<a href="authentication_documentation.html">Authentication</a> +</li> +<li> +<a href="browser_documentation.html">Scriptable browser</a> +</li> +</ul> +</div> +</div> +<h1>Group Test documentation</h1> +<div class="content"> + <p> +<a class="target" name="group"> +<h2>Grouping tests</h2> +</a> +</p> + <p> + To run test cases as part of a group the test cases should really + be placed in files without the runner code... +<pre> +<strong><?php + require_once('../classes/io.php'); + + class FileTester extends UnitTestCase { + ... + } + + class SocketTester extends UnitTestCase { + ... + } +?></strong> +</pre> + As many cases as needed can appear in a single file. + They should include any code they need, such as the library + being tested, but none of the simple test libraries. + </p> + <p> + If you have extended any test cases, you can include them + as well. +<pre> +<?php + require_once('../classes/io.php'); +<strong> + class MyFileTestCase extends UnitTestCase { + ... + } + SimpleTestOptions::ignore('MyFileTestCase');</strong> + + class FileTester extends MyFileTestCase { + ... + } + + class SocketTester extends UnitTestCase { + ... + } +?> +</pre> + The <span class="new_code">FileTester</span> class does + not contain any actual tests, but is a base class for other + test cases. + For this reason we use the + <span class="new_code">SimpleTestOptions::ignore()</span> directive + to tell the upcoming group test to ignore it. + This directive can appear anywhere in the file and works + when a whole file of test cases is loaded (see below). + We will call this sample <em>file_test.php</em>. + </p> + <p> + Next we create a group test file, called say <em>group_test.php</em>. + You will think of a better name I am sure. + We will add the test file using a safe method... +<pre> +<?php + require_once('simpletest/unit_tester.php'); + require_once('simpletest/reporter.php');<strong> + require_once('file_test.php'); + + $test = &new GroupTest('All file tests'); + $test->addTestCase(new FileTestCase()); + $test->run(new HtmlReporter());</strong> +?> +</pre> + This instantiates the test case before the test suite is + run. + This could get a little expensive with a large number of test + cases, so another method is provided that will only + instantiate the class when it is needed... +<pre> +<?php + require_once('simpletest/unit_tester.php'); + require_once('simpletest/reporter.php'); + require_once('file_test.php'); + + $test = &new GroupTest('All file tests');<strong> + $test->addTestClass('FileTestCase');</strong> + $test->run(new HtmlReporter()); +?> +</pre> + The problem with this method is that for every test case + that we add we will have + to <span class="new_code">require_once()</span> the test code + file and manually instantiate each and every test case. + We can save a lot of typing with... +<pre> +<?php + require_once('simpletest/unit_tester.php'); + require_once('simpletest/reporter.php'); + + $test = &new GroupTest('All file tests');<strong> + $test->addTestFile('file_test.php');</strong> + $test->run(new HtmlReporter()); +?&gt; +</pre> + What happens here is that the <span class="new_code">GroupTest</span> + class has done the <span class="new_code">require_once()</span> + for us. + It then checks to see if any new test case classes + have been created by the new file and automatically adds + them to the group test. + Now all we have to do is add each new file. + </p> + <p> + There are two things that could go wrong and which require care... + <ol> + <li> + The file could already have been parsed by PHP and so no + new classes will have been added. You should make + sure that the test cases are only included in this file + and no others. + </li> + <li> + New test case extension classes that get included will be + placed in the group test and run also. + You will need to add a <span class="new_code">SimpleTestOptions::ignore()</span> + directive for these classes or make sure that they are included + before the <span class="new_code">GroupTest::addTestFile()</span> + line. + </li> + </ol> + </p> + + <p> +<a class="target" name="higher"> +<h2>Higher groupings</h2> +</a> +</p> + <p> + The above method places all of the test cases into one large group. + For larger projects though this may not be flexible enough; you + may want to group the tests in all sorts of ways. + </p> + <p> + To get a more flexible group test we can subclass + <span class="new_code">GroupTest</span> and then instantiate it as needed... +<pre> +<?php + require_once('simpletest/unit_tester.php'); + require_once('simpletest/reporter.php'); + <strong> + class FileGroupTest extends GroupTest { + function FileGroupTest() { + $this->GroupTest('All file tests'); + $this->addTestFile('file_test.php'); + } + }</strong> +?> +</pre> + This effectively names the test in the constructor and then + adds our test cases and a single group below. + Of course we can add more than one group at this point. + We can now invoke the tests from a separate runner file... +<pre> +<?php + require_once('file_group_test.php'); + <strong> + $test = &new FileGroupTest(); + $test->run(new HtmlReporter());</strong> +?> +</pre> + ...or we can group them into even larger group tests... +<pre> +<?php + require_once('file_group_test.php'); + <strong> + $test = &new BigGroupTest('Big group'); + $test->addTestCase(new FileGroupTest()); + $test->addTestCase(...); + $test->run(new HtmlReporter());</strong> +?> +</pre> + If we still wish to run the original group test and we + don't want all of these little runner files, we can + put the test runner code around guard bars when we create + each group. +<pre> +<?php + class FileGroupTest extends GroupTest { + function FileGroupTest() { + $this->GroupTest('All file tests'); + $test->addTestFile('file_test.php'); + } + } + <strong> + if (! defined('RUNNER')) { + define('RUNNER', true);</strong> + $test = &new FileGroupTest(); + $test->run(new HtmlReporter()); + } +?> +</pre> + This approach requires the guard to be set when including + the group test file, but this is still less hassle than + lots of separate runner files. + You include the same guard on the top level tests to make sure + that <span class="new_code">run()</span> will run once only + from the top level script that has been invoked. +<pre> +<?php<strong> + define('RUNNER', true);</strong> + require_once('file_group_test.php'); + + $test = &new BigGroupTest('Big group'); + $test->addTestCase(new FileGroupTest()); + $test->addTestCase(...); + $test->run(new HtmlReporter()); +?> +</pre> + As with the normal test cases, a <span class="new_code">GroupTest</span> can + be loaded with the <span class="new_code">GroupTest::addTestFile()</span> method. +<pre> +<?php + define('RUNNER', true); + + $test = &new BigGroupTest('Big group');<strong> + $test->addTestFile('file_group_test.php'); + $test->addTestFile(...);</strong> + $test->run(new HtmlReporter()); +?> +</pre> + </p> + + <p> +<a class="target" name="legacy"> +<h2>Integrating legacy test cases</h2> +</a> +</p> + <p> + If you already have unit tests for your code or are extending external + classes that have tests, it is unlikely that all of the test cases + are in SimpleTest format. + Fortunately it is possible to incorporate test cases from other + unit testers directly into SimpleTest group tests. + </p> + <p> + Say we have the following + <a href="http://sourceforge.net/projects/phpunit">PhpUnit</a> + test case in the file <em>config_test.php</em>... +<pre> +<strong>class ConfigFileTest extends TestCase { + function ConfigFileTest() { + $this->TestCase('Config file test'); + } + + function testContents() { + $config = new ConfigFile('test.conf'); + $this->assertRegexp('/me/', $config->getValue('username')); + } +}</strong> +</pre> + The group test can recognise this as long as we include + the appropriate adapter class before we add the test + file... +<pre> +<?php + require_once('simpletest/unit_tester.php'); + require_once('simpletest/reporter.php');<strong> + require_once('simpletest/adapters/phpunit_test_case.php');</strong> + + $test = &new GroupTest('All file tests');<strong> + $test->addTestFile('config_test.php');</strong> + $test->run(new HtmlReporter()); +?> +</pre> + There are only two adapters, the other is for the + <a href="http://pear.php.net/manual/en/package.php.phpunit.php">PEAR</a> + 1.0 unit tester... +<pre> +<?php + require_once('simpletest/unit_tester.php'); + require_once('simpletest/reporter.php');<strong> + require_once('simpletest/adapters/pear_test_case.php');</strong> + + $test = &new GroupTest('All file tests');<strong> + $test->addTestFile('some_pear_test_cases.php');</strong> + $test->run(new HtmlReporter()); +?> +</pre> + The PEAR test cases can be freely mixed with SimpleTest + ones even in the same test file, + but you cannot use SimpleTest assertions in the legacy + test case versions. + This is done as a check that you are not accidently making + your test cases completely dependent on SimpleTest. + You may want to do a PEAR release of your library for example + which would mean shipping it with valid PEAR::PhpUnit test + cases. + </p> + + </div> +<div class="copyright"> + Copyright<br>Marcus Baker, Jason Sweat, Perrick Penet 2004 + </div> +</body> +</html> |