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| author | brettp <brettp@36083f99-b078-4883-b0ff-0f9b5a30f544> | 2009-10-02 18:40:04 +0000 |
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| committer | brettp <brettp@36083f99-b078-4883-b0ff-0f9b5a30f544> | 2009-10-02 18:40:04 +0000 |
| commit | 322bb9cd2be9e51422cb2b82684692e825c2bfb7 (patch) | |
| tree | 1e8e75c1ff0c47d6eda9db114a13dfa2b83adf72 /vendors/simpletest/docs/en/group_test_documentation.html | |
| parent | 4ffb02ad9c1b95013a0fbf97cefde827600ecc3f (diff) | |
| download | elgg-322bb9cd2be9e51422cb2b82684692e825c2bfb7.tar.gz elgg-322bb9cd2be9e51422cb2b82684692e825c2bfb7.tar.bz2 | |
Added simpletest and start of unit tests.
git-svn-id: http://code.elgg.org/elgg/trunk@3503 36083f99-b078-4883-b0ff-0f9b5a30f544
Diffstat (limited to 'vendors/simpletest/docs/en/group_test_documentation.html')
| -rwxr-xr-x | vendors/simpletest/docs/en/group_test_documentation.html | 386 |
1 files changed, 386 insertions, 0 deletions
diff --git a/vendors/simpletest/docs/en/group_test_documentation.html b/vendors/simpletest/docs/en/group_test_documentation.html new file mode 100755 index 000000000..a0c78843c --- /dev/null +++ b/vendors/simpletest/docs/en/group_test_documentation.html @@ -0,0 +1,386 @@ +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> +<title>SimpleTest for PHP test suites</title> +<link rel="stylesheet" type="text/css" href="docs.css" title="Styles"> +</head> +<body> +<div class="menu_back"><div class="menu"> +<a href="index.html">SimpleTest</a> + | + <a href="overview.html">Overview</a> + | + <a href="unit_test_documentation.html">Unit tester</a> + | + <span class="chosen">Group tests</span> + | + <a href="mock_objects_documentation.html">Mock objects</a> + | + <a href="partial_mocks_documentation.html">Partial mocks</a> + | + <a href="reporter_documentation.html">Reporting</a> + | + <a href="expectation_documentation.html">Expectations</a> + | + <a href="web_tester_documentation.html">Web tester</a> + | + <a href="form_testing_documentation.html">Testing forms</a> + | + <a href="authentication_documentation.html">Authentication</a> + | + <a href="browser_documentation.html">Scriptable browser</a> +</div></div> +<h1>Test suite documentation</h1> + This page... + <ul> +<li> + Different ways to <a href="#group">group tests</a> together. + </li> +<li> + Combining group tests into <a href="#higher">larger groups</a>. + </li> +<li> + Integrating <a href="#legacy">legacy test cases</a> from other + types of PHPUnit. + </li> +</ul> +<div class="content"> + <p><a class="target" name="group"><h2>Grouping tests into suites</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. In PHP 4... +<pre> +<?php + require_once('../classes/io.php'); +<strong> + class MyFileTestCase extends UnitTestCase { + ... + } + SimpleTest::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). + </p> + <p> + If you are using PHP 5, you do not need this special directive at all. + Simply mark any test cases that should not be run as abstract... +<pre> +<strong>abstract</strong> class MyFileTestCase extends UnitTestCase { + ... +} + +class FileTester extends MyFileTestCase { ... } + +class SocketTester extends UnitTestCase { ... } +</pre> + </p> + <p> + We will call this sample <em>file_test.php</em>. + Next we create a group test file, called say <em>my_group_test.php</em>. + You will think of a better name I am sure. + </p> + <p> + 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 TestSuite('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, and can be surprising behaviour. + </p> + <p> + The main problem 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. + </p> + <p> + We can save a lot of typing with... +<pre> +<?php + require_once('simpletest/unit_tester.php'); + require_once('simpletest/reporter.php'); + + $test = &new TestSuite('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">TestSuite</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> + No only that, but you can guarantee that the constructor is run + just before the first test method and, in PHP 5, the destructor + is run just after the last test method. + </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 (Note : with the new <cite>autorun</cite> + functionnality, this problem has now been solved). + </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">TestSuite::addTestFile()</span> + line, or make sure that they are abstract classes. + </li> + </ol> + </p> + + <p><a class="target" name="higher"><h2>Composite suites</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">TestSuite</span> and then instantiate it as needed... +<pre> +<?php + require_once('simpletest/unit_tester.php'); + require_once('simpletest/reporter.php'); + <strong> + class FileTestSuite extends TestSuite { + function FileTestSuite() { + $this->TestSuite('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_test_suite.php'); + <strong> + $test = &new FileTestSuite(); + $test->run(new HtmlReporter());</strong> +?> +</pre> + ...or we can group them into even larger group tests. + We can even mix groups and test cases freely as long as + we are careful about double includes... +<pre> +<?php + <strong> + $test = &new BigTestSuite('Big group'); + $test->addTestFile('file_test_suite.php'); + $test->addTestFile('some_test_case.php');</strong> + $test->run(new HtmlReporter()); +?> +</pre> + In the event of a double include, ony the first instance + of the test case will be run. + </p> + <p> + 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 FileTestSuite extends TestSuite { + function FileTestSuite() { + $this->TestSuite('All file tests'); + $test->addTestFile('file_test.php'); + } + } + <strong> + if (! defined('RUNNER')) { + define('RUNNER', true);</strong> + $test = &new FileTestSuite(); + $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_test_suite.php'); + + $test = &new BigTestSuite('Big group'); + $test->addTestCase(new FileTestSuite()); + $test->addTestCase(...); + $test->run(new HtmlReporter()); +?> +</pre> + As with the normal test cases, a <span class="new_code">TestSuite</span> can + be loaded with the <span class="new_code">TestSuite::addTestFile()</span> method. +<pre> +<?php + define('RUNNER', true); + + $test = &new BigTestSuite('Big group');<strong> + $test->addTestFile('file_test_suite.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 TestSuite('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 TestSuite('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> + References and related information... + <ul> +<li> + SimpleTest project page on <a href="http://sourceforge.net/projects/simpletest/">SourceForge</a>. + </li> +<li> + SimpleTest download page on <a href="http://www.lastcraft.com/simple_test.php">LastCraft</a>. + </li> +</ul> +<div class="menu_back"><div class="menu"> +<a href="index.html">SimpleTest</a> + | + <a href="overview.html">Overview</a> + | + <a href="unit_test_documentation.html">Unit tester</a> + | + <span class="chosen">Group tests</span> + | + <a href="mock_objects_documentation.html">Mock objects</a> + | + <a href="partial_mocks_documentation.html">Partial mocks</a> + | + <a href="reporter_documentation.html">Reporting</a> + | + <a href="expectation_documentation.html">Expectations</a> + | + <a href="web_tester_documentation.html">Web tester</a> + | + <a href="form_testing_documentation.html">Testing forms</a> + | + <a href="authentication_documentation.html">Authentication</a> + | + <a href="browser_documentation.html">Scriptable browser</a> +</div></div> +<div class="copyright"> + Copyright<br>Marcus Baker 2006 + </div> +</body> +</html> |