From ffc0e93c4eb0555a08f0b58bed0735416e6ba41f Mon Sep 17 00:00:00 2001
From: Dries Buytaert <dries@buytaert.net>
Date: Sun, 20 Apr 2008 18:34:43 +0000
Subject: - Added a test framework to Drupal along with a first batch of tests
 for   Drupal core!  This is an important milestone for the project so enable 
  the module and check it out ... :)
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  Thanks to Rok Žlender, Károly Négyesi, Jimmy Berry, Kevin Bridges, Charlie
  Gordon, Douglas Hubler, Miglius Alaburda, Andy Kirkham, Dimitri13, Kieran
  Lal, Moshe Weitzman, and the many other people that helped with testing
  over the past years and that drove this home.

  It all works but it is still rough around the edges (i.e. documentation
  is still being written, the coding style is not 100% yet, a number of
  tests still fail) but we spent the entire weekend working on it in Paris
  and made a ton of progress.  The best way to help and to get up to speed,
  is to start writing and contributing some tests ... as well as fixing
  some of the failures.

  For those willing to help with improving the test framework, here are
  some next steps and issues to resolve:

    - How to best approach unit tests and mock functions?
    - How to test drupal_mail() and drupal_http_request()?
    - How to improve the admin UI so we have a nice progress bar?
    - How best to do code coverage?
    - See http://g.d.o/node/10099 for more ...
---
 modules/simpletest/expectation.php | 144 +++++++++++++++++++++++++++++++++++++
 1 file changed, 144 insertions(+)
 create mode 100644 modules/simpletest/expectation.php

(limited to 'modules/simpletest/expectation.php')

diff --git a/modules/simpletest/expectation.php b/modules/simpletest/expectation.php
new file mode 100644
index 000000000..1dd85c9ac
--- /dev/null
+++ b/modules/simpletest/expectation.php
@@ -0,0 +1,144 @@
+<?php
+// $Id$
+
+/**
+ *    Assertion that can display failure information.
+ *    Also includes various helper methods.
+ *    @package SimpleTest
+ *    @subpackage UnitTester
+ *    @abstract
+ */
+class SimpleExpectation {
+  var $_dumper = false;
+  var $_message;
+
+  /**
+   *    Creates a dumper for displaying values and sets
+   *    the test message.
+   *    @param string $message    Customised message on failure.
+   */
+  function SimpleExpectation($message = '%s') {
+    $this->_message = $message;
+  }
+
+  /**
+   *    Tests the expectation. True if correct.
+   *    @param mixed $compare        Comparison value.
+   *    @return boolean              True if correct.
+   *    @access public
+   *    @abstract
+   */
+  function test($compare) {}
+
+  /**
+   *    Returns a human readable test message.
+   *    @param mixed $compare      Comparison value.
+   *    @return string             Description of success
+   *                               or failure.
+   *    @access public
+   *    @abstract
+   */
+  function testMessage($compare) {}
+
+  /**
+   *    Overlays the generated message onto the stored user
+   *    message. An additional message can be interjected.
+   *    @param mixed $compare        Comparison value.
+   *    @param SimpleDumper $dumper  For formatting the results.
+   *    @return string               Description of success
+   *                                 or failure.
+   *    @access public
+   */
+  function overlayMessage($compare, $dumper) {
+    $this->_dumper = $dumper;
+    return sprintf($this->_message, $this->testMessage($compare));
+  }
+
+  /**
+   *    Accessor for the dumper.
+   *    @return SimpleDumper    Current value dumper.
+   *    @access protected
+   */
+  function &_getDumper() {
+    if (!$this->_dumper) {
+      $dumper = &new SimpleDumper();
+      return $dumper;
+    }
+    return $this->_dumper;
+  }
+
+  /**
+   *    Test to see if a value is an expectation object.
+   *    A useful utility method.
+   *    @param mixed $expectation    Hopefully an Epectation
+   *                                 class.
+   *    @return boolean              True if descended from
+   *                                 this class.
+   *    @access public
+   *    @static
+   */
+  function isExpectation($expectation) {
+    return is_object($expectation) && is_a($expectation, 'SimpleExpectation');
+  }
+}
+
+/**
+ *    A wildcard expectation always matches.
+ *    @package SimpleTest
+ *    @subpackage MockObjects
+ */
+class AnythingExpectation extends SimpleExpectation {
+
+  /**
+   *    Tests the expectation. Always true.
+   *    @param mixed $compare  Ignored.
+   *    @return boolean        True.
+   *    @access public
+   */
+  function test($compare) {
+    return true;
+  }
+
+  /**
+   *    Returns a human readable test message.
+   *    @param mixed $compare      Comparison value.
+   *    @return string             Description of success
+   *                               or failure.
+   *    @access public
+   */
+  function testMessage($compare) {
+    $dumper = &$this->_getDumper();
+    return 'Anything always matches ['. $dumper->describeValue($compare) .']';
+  }
+}
+
+/**
+ *    An expectation that passes on boolean true.
+ *    @package SimpleTest
+ *    @subpackage MockObjects
+ */
+class TrueExpectation extends SimpleExpectation {
+
+  /**
+   *    Tests the expectation.
+   *    @param mixed $compare  Should be true.
+   *    @return boolean        True on match.
+   *    @access public
+   */
+  function test($compare) {
+    return (boolean)$compare;
+  }
+
+  /**
+   *    Returns a human readable test message.
+   *    @param mixed $compare      Comparison value.
+   *    @return string             Description of success
+   *                               or failure.
+   *    @access public
+   */
+  function testMessage($compare) {
+    $dumper = &$this->_getDumper();
+    return 'Expected true, got ['. $dumper->describeValue($compare) .']';
+  }
+}
+
-- 
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