diff options
Diffstat (limited to 'tests/UnitTests/simpletest/mock_objects.php')
| -rw-r--r-- | tests/UnitTests/simpletest/mock_objects.php | 1323 |
1 files changed, 1323 insertions, 0 deletions
diff --git a/tests/UnitTests/simpletest/mock_objects.php b/tests/UnitTests/simpletest/mock_objects.php new file mode 100644 index 00000000..6d7db4ce --- /dev/null +++ b/tests/UnitTests/simpletest/mock_objects.php @@ -0,0 +1,1323 @@ +<?php
+ /**
+ * base include file for SimpleTest
+ * @package SimpleTest
+ * @subpackage MockObjects
+ * @version $Id: mock_objects.php,v 1.61 2005/02/13 01:09:25 lastcraft Exp $
+ */
+
+ /**#@+
+ * include SimpleTest files
+ */
+ require_once(dirname(__FILE__) . '/expectation.php');
+ require_once(dirname(__FILE__) . '/options.php');
+ require_once(dirname(__FILE__) . '/dumper.php');
+ /**#@-*/
+
+ /**
+ * Default character simpletest will substitute for any value
+ */
+ define('MOCK_WILDCARD', '*');
+
+ /**
+ * A wildcard expectation always matches.
+ * @package SimpleTest
+ * @subpackage MockObjects
+ */
+ class WildcardExpectation extends SimpleExpectation {
+
+ /**
+ * Chains constructor only.
+ * @access public
+ */
+ function WildcardExpectation() {
+ $this->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 'Wildcard always matches [' . $dumper->describeValue($compare) . ']';
+ }
+ }
+
+ /**
+ * Parameter comparison assertion.
+ * @package SimpleTest
+ * @subpackage MockObjects
+ */
+ class ParametersExpectation extends SimpleExpectation {
+ protected $_expected;
+
+ /**
+ * Sets the expected parameter list.
+ * @param array $parameters Array of parameters including
+ * those that are wildcarded.
+ * If the value is not an array
+ * then it is considered to match any.
+ * @param mixed $wildcard Any parameter matching this
+ * will always match.
+ * @param string $message Customised message on failure.
+ * @access public
+ */
+ function ParametersExpectation($expected = false, $message = '%s') {
+ $this->SimpleExpectation($message);
+ $this->_expected = $expected;
+ }
+
+ /**
+ * Tests the assertion. True if correct.
+ * @param array $parameters Comparison values.
+ * @return boolean True if correct.
+ * @access public
+ */
+ function test($parameters) {
+ if (! is_array($this->_expected)) {
+ return true;
+ }
+ if (count($this->_expected) != count($parameters)) {
+ return false;
+ }
+ for ($i = 0; $i < count($this->_expected); $i++) {
+ if (! $this->_testParameter($parameters[$i], $this->_expected[$i])) {
+ return false;
+ }
+ }
+ return true;
+ }
+
+ /**
+ * Tests an individual parameter.
+ * @param mixed $parameter Value to test.
+ * @param mixed $expected Comparison value.
+ * @return boolean True if expectation
+ * fulfilled.
+ * @access private
+ */
+ function _testParameter($parameter, $expected) {
+ $comparison = $this->_coerceToExpectation($expected);
+ return $comparison->test($parameter);
+ }
+
+ /**
+ * Returns a human readable test message.
+ * @param array $comparison Incoming parameter list.
+ * @return string Description of success
+ * or failure.
+ * @access public
+ */
+ function testMessage($parameters) {
+ if ($this->test($parameters)) {
+ return "Expectation of " . count($this->_expected) .
+ " arguments of [" . $this->_renderArguments($this->_expected) .
+ "] is correct";
+ } else {
+ return $this->_describeDifference($this->_expected, $parameters);
+ }
+ }
+
+ /**
+ * Message to display if expectation differs from
+ * the parameters actually received.
+ * @param array $expected Expected parameters as list.
+ * @param array $parameters Actual parameters received.
+ * @return string Description of difference.
+ * @access private
+ */
+ function _describeDifference($expected, $parameters) {
+ if (count($expected) != count($parameters)) {
+ return "Expected " . count($expected) .
+ " arguments of [" . $this->_renderArguments($expected) .
+ "] but got " . count($parameters) .
+ " arguments of [" . $this->_renderArguments($parameters) . "]";
+ }
+ $messages = array();
+ for ($i = 0; $i < count($expected); $i++) {
+ $comparison = $this->_coerceToExpectation($expected[$i]);
+ if (! $comparison->test($parameters[$i])) {
+ $messages[] = "parameter " . ($i + 1) . " with [" .
+ $comparison->overlayMessage($parameters[$i]) . "]";
+ }
+ }
+ return "Parameter expectation differs at " . implode(" and ", $messages);
+ }
+
+ /**
+ * Creates an identical expectation if the
+ * object/value is not already some type
+ * of expectation.
+ * @param mixed $expected Expected value.
+ * @return SimpleExpectation Expectation object.
+ * @access private
+ */
+ function _coerceToExpectation($expected) {
+ if (SimpleTestCompatibility::isA($expected, 'SimpleExpectation')) {
+ return $expected;
+ }
+ return new IdenticalExpectation($expected);
+ }
+
+ /**
+ * Renders the argument list as a string for
+ * messages.
+ * @param array $args Incoming arguments.
+ * @return string Simple description of type and value.
+ * @access private
+ */
+ function _renderArguments($args) {
+ $descriptions = array();
+ if (is_array($args)) {
+ foreach ($args as $arg) {
+ $dumper = new SimpleDumper();
+ $descriptions[] = $dumper->describeValue($arg);
+ }
+ }
+ return implode(', ', $descriptions);
+ }
+ }
+
+ /**
+ * Confirms that the number of calls on a method is as expected.
+ */
+ class CallCountExpectation extends SimpleExpectation {
+ protected $_method;
+ protected $_count;
+
+ /**
+ * Stashes the method and expected count for later
+ * reporting.
+ * @param string $method Name of method to confirm against.
+ * @param integer $count Expected number of calls.
+ * @param string $message Custom error message.
+ */
+ function CallCountExpectation($method, $count, $message = '%s') {
+ $this->_method = $method;
+ $this->_count = $count;
+ $this->SimpleExpectation($message);
+ }
+
+ /**
+ * Tests the assertion. True if correct.
+ * @param integer $compare Measured call count.
+ * @return boolean True if expected.
+ * @access public
+ */
+ function test($compare) {
+ return ($this->_count == $compare);
+ }
+
+ /**
+ * Reports the comparison.
+ * @param integer $compare Measured call count.
+ * @return string Message to show.
+ * @access public
+ */
+ function testMessage($compare) {
+ return 'Expected call count for [' . $this->_method .
+ '] was [' . $this->_count .
+ '] got [' . $compare . ']';
+ }
+ }
+
+ /**
+ * Confirms that the number of calls on a method is as expected.
+ */
+ class MinimumCallCountExpectation extends SimpleExpectation {
+ protected $_method;
+ protected $_count;
+
+ /**
+ * Stashes the method and expected count for later
+ * reporting.
+ * @param string $method Name of method to confirm against.
+ * @param integer $count Minimum number of calls.
+ * @param string $message Custom error message.
+ */
+ function MinimumCallCountExpectation($method, $count, $message = '%s') {
+ $this->_method = $method;
+ $this->_count = $count;
+ $this->SimpleExpectation($message);
+ }
+
+ /**
+ * Tests the assertion. True if correct.
+ * @param integer $compare Measured call count.
+ * @return boolean True if enough.
+ * @access public
+ */
+ function test($compare) {
+ return ($this->_count <= $compare);
+ }
+
+ /**
+ * Reports the comparison.
+ * @param integer $compare Measured call count.
+ * @return string Message to show.
+ * @access public
+ */
+ function testMessage($compare) {
+ return 'Minimum call count for [' . $this->_method .
+ '] was [' . $this->_count .
+ '] got [' . $compare . ']';
+ }
+ }
+
+ /**
+ * Confirms that the number of calls on a method is as expected.
+ */
+ class MaximumCallCountExpectation extends SimpleExpectation {
+ protected $_method;
+ protected $_count;
+
+ /**
+ * Stashes the method and expected count for later
+ * reporting.
+ * @param string $method Name of method to confirm against.
+ * @param integer $count Minimum number of calls.
+ * @param string $message Custom error message.
+ */
+ function MaximumCallCountExpectation($method, $count, $message = '%s') {
+ $this->_method = $method;
+ $this->_count = $count;
+ $this->SimpleExpectation($message);
+ }
+
+ /**
+ * Tests the assertion. True if correct.
+ * @param integer $compare Measured call count.
+ * @return boolean True if not over.
+ * @access public
+ */
+ function test($compare) {
+ return ($this->_count >= $compare);
+ }
+
+ /**
+ * Reports the comparison.
+ * @param integer $compare Measured call count.
+ * @return string Message to show.
+ * @access public
+ */
+ function testMessage($compare) {
+ return 'Maximum call count for [' . $this->_method .
+ '] was [' . $this->_count .
+ '] got [' . $compare . ']';
+ }
+ }
+
+ /**
+ * Retrieves values and references by searching the
+ * parameter lists until a match is found.
+ * @package SimpleTest
+ * @subpackage MockObjects
+ */
+ class CallMap {
+ protected $_map;
+
+ /**
+ * Creates an empty call map.
+ * @access public
+ */
+ function CallMap() {
+ $this->_map = array();
+ }
+
+ /**
+ * Stashes a value against a method call.
+ * @param array $parameters Arguments including wildcards.
+ * @param mixed $value Value copied into the map.
+ * @access public
+ */
+ function addValue($parameters, $value) {
+ $this->addReference($parameters, $value);
+ }
+
+ /**
+ * Stashes a reference against a method call.
+ * @param array $parameters Array of arguments (including wildcards).
+ * @param mixed $reference Array reference placed in the map.
+ * @access public
+ */
+ function addReference($parameters, $reference) {
+ $place = count($this->_map);
+ $this->_map[$place] = array();
+ $this->_map[$place]["params"] = new ParametersExpectation($parameters);
+ $this->_map[$place]["content"] = $reference;
+ }
+
+ /**
+ * Searches the call list for a matching parameter
+ * set. Returned by reference.
+ * @param array $parameters Parameters to search by
+ * without wildcards.
+ * @return object Object held in the first matching
+ * slot, otherwise null.
+ * @access public
+ */
+ function findFirstMatch($parameters) {
+ $slot = $this->_findFirstSlot($parameters);
+ if (!isset($slot)) {
+ return null;
+ }
+ return $slot["content"];
+ }
+
+ /**
+ * Searches the call list for a matching parameter
+ * set. True if successful.
+ * @param array $parameters Parameters to search by
+ * without wildcards.
+ * @return boolean True if a match is present.
+ * @access public
+ */
+ function isMatch($parameters) {
+ return ($this->_findFirstSlot($parameters) != null);
+ }
+
+ /**
+ * Searches the map for a matching item.
+ * @param array $parameters Parameters to search by
+ * without wildcards.
+ * @return array Reference to slot or null.
+ * @access private
+ */
+ function _findFirstSlot($parameters) {
+ $count = count($this->_map);
+ for ($i = 0; $i < $count; $i++) {
+ if ($this->_map[$i]["params"]->test($parameters)) {
+ return $this->_map[$i];
+ }
+ }
+ return null;
+ }
+ }
+
+ /**
+ * An empty collection of methods that can have their
+ * return values set. Used for prototyping.
+ * @package SimpleTest
+ * @subpackage MockObjects
+ */
+ class SimpleStub {
+ protected $_wildcard;
+ protected $_is_strict;
+ protected $_returns;
+ protected $_return_sequence;
+ protected $_call_counts;
+
+ /**
+ * Sets up the wildcard and everything else empty.
+ * @param mixed $wildcard Parameter matching wildcard.
+ * @param boolean $is_strict Enables method name checks.
+ * @access public
+ */
+ function SimpleStub($wildcard, $is_strict = true) {
+ $this->_wildcard = $wildcard;
+ $this->_is_strict = $is_strict;
+ $this->_returns = array();
+ $this->_return_sequence = array();
+ $this->_call_counts = array();
+ }
+
+ /**
+ * Replaces wildcard matches with wildcard
+ * expectations in the argument list.
+ * @param array $args Raw argument list.
+ * @return array Argument list with
+ * expectations.
+ * @access private
+ */
+ function _replaceWildcards($args) {
+ if ($args === false) {
+ return false;
+ }
+ for ($i = 0; $i < count($args); $i++) {
+ if ($args[$i] === $this->_wildcard) {
+ $args[$i] = new WildcardExpectation();
+ }
+ }
+ return $args;
+ }
+
+ /**
+ * Returns the expected value for the method name.
+ * @param string $method Name of method to simulate.
+ * @param array $args Arguments as an array.
+ * @return mixed Stored return.
+ * @access private
+ */
+ function _invoke($method, $args) {
+ $method = strtolower($method);
+ $step = $this->getCallCount($method);
+ $this->_addCall($method, $args);
+ return $this->_getReturn($method, $args, $step);
+ }
+
+ /**
+ * Triggers a PHP error if the method is not part
+ * of this object.
+ * @param string $method Name of method.
+ * @param string $task Description of task attempt.
+ * @access protected
+ */
+ function _dieOnNoMethod($method, $task) {
+ if ($this->_is_strict && !method_exists($this, $method)) {
+ trigger_error(
+ "Cannot $task as no ${method}() in class " . get_class($this),
+ E_USER_ERROR);
+ }
+ }
+
+ /**
+ * Adds one to the call count of a method.
+ * @param string $method Method called.
+ * @param array $args Arguments as an array.
+ * @access protected
+ */
+ function _addCall($method, $args) {
+ if (!isset($this->_call_counts[$method])) {
+ $this->_call_counts[$method] = 0;
+ }
+ $this->_call_counts[$method]++;
+ }
+
+ /**
+ * Fetches the call count of a method so far.
+ * @param string $method Method name called.
+ * @return Number of calls so far.
+ * @access public
+ */
+ function getCallCount($method) {
+ $this->_dieOnNoMethod($method, "get call count");
+ $method = strtolower($method);
+ if (! isset($this->_call_counts[$method])) {
+ return 0;
+ }
+ return $this->_call_counts[$method];
+ }
+
+ /**
+ * Sets a return for a parameter list that will
+ * be passed by value for all calls to this method.
+ * @param string $method Method name.
+ * @param mixed $value Result of call passed by value.
+ * @param array $args List of parameters to match
+ * including wildcards.
+ * @access public
+ */
+ function setReturnValue($method, $value, $args = false) {
+ $this->_dieOnNoMethod($method, "set return value");
+ $args = $this->_replaceWildcards($args);
+ $method = strtolower($method);
+ if (! isset($this->_returns[$method])) {
+ $this->_returns[$method] = new CallMap();
+ }
+ $this->_returns[$method]->addValue($args, $value);
+ }
+
+ /**
+ * Sets a return for a parameter list that will
+ * be passed by value only when the required call count
+ * is reached.
+ * @param integer $timing Number of calls in the future
+ * to which the result applies. If
+ * not set then all calls will return
+ * the value.
+ * @param string $method Method name.
+ * @param mixed $value Result of call passed by value.
+ * @param array $args List of parameters to match
+ * including wildcards.
+ * @access public
+ */
+ function setReturnValueAt($timing, $method, $value, $args = false) {
+ $this->_dieOnNoMethod($method, "set return value sequence");
+ $args = $this->_replaceWildcards($args);
+ $method = strtolower($method);
+ if (! isset($this->_return_sequence[$method])) {
+ $this->_return_sequence[$method] = array();
+ }
+ if (! isset($this->_return_sequence[$method][$timing])) {
+ $this->_return_sequence[$method][$timing] = new CallMap();
+ }
+ $this->_return_sequence[$method][$timing]->addValue($args, $value);
+ }
+
+ /**
+ * Sets a return for a parameter list that will
+ * be passed by reference for all calls.
+ * @param string $method Method name.
+ * @param mixed $reference Result of the call will be this object.
+ * @param array $args List of parameters to match
+ * including wildcards.
+ * @access public
+ */
+ function setReturnReference($method, $reference, $args = false) {
+ $this->_dieOnNoMethod($method, "set return reference");
+ $args = $this->_replaceWildcards($args);
+ $method = strtolower($method);
+ if (! isset($this->_returns[$method])) {
+ $this->_returns[$method] = new CallMap();
+ }
+ $this->_returns[$method]->addReference($args, $reference);
+ }
+
+ /**
+ * Sets a return for a parameter list that will
+ * be passed by value only when the required call count
+ * is reached.
+ * @param integer $timing Number of calls in the future
+ * to which the result applies. If
+ * not set then all calls will return
+ * the value.
+ * @param string $method Method name.
+ * @param mixed $reference Result of the call will be this object.
+ * @param array $args List of parameters to match
+ * including wildcards.
+ * @access public
+ */
+ function setReturnReferenceAt($timing, $method, $reference, $args = false) {
+ $this->_dieOnNoMethod($method, "set return reference sequence");
+ $args = $this->_replaceWildcards($args);
+ $method = strtolower($method);
+ if (! isset($this->_return_sequence[$method])) {
+ $this->_return_sequence[$method] = array();
+ }
+ if (! isset($this->_return_sequence[$method][$timing])) {
+ $this->_return_sequence[$method][$timing] = new CallMap();
+ }
+ $this->_return_sequence[$method][$timing]->addReference($args, $reference);
+ }
+
+ /**
+ * Finds the return value matching the incoming
+ * arguments. If there is no matching value found
+ * then an error is triggered.
+ * @param string $method Method name.
+ * @param array $args Calling arguments.
+ * @param integer $step Current position in the
+ * call history.
+ * @return mixed Stored return.
+ * @access protected
+ */
+ function _getReturn($method, $args, $step) {
+ if (isset($this->_return_sequence[$method][$step])) {
+ if ($this->_return_sequence[$method][$step]->isMatch($args)) {
+ return $this->_return_sequence[$method][$step]->findFirstMatch($args);
+ }
+ }
+ if (isset($this->_returns[$method])) {
+ return $this->_returns[$method]->findFirstMatch($args);
+ }
+ return null;
+ }
+ }
+
+ /**
+ * An empty collection of methods that can have their
+ * return values set and expectations made of the
+ * calls upon them. The mock will assert the
+ * expectations against it's attached test case in
+ * addition to the server stub behaviour.
+ * @package SimpleTest
+ * @subpackage MockObjects
+ */
+ class SimpleMock extends SimpleStub {
+ protected $_test;
+ protected $_expected_counts;
+ protected $_max_counts;
+ protected $_expected_args;
+ protected $_expected_args_at;
+
+ /**
+ * Creates an empty return list and expectation list.
+ * All call counts are set to zero.
+ * @param SimpleTestCase $test Test case to test expectations in.
+ * @param mixed $wildcard Parameter matching wildcard.
+ * @param boolean $is_strict Enables method name checks on
+ * expectations.
+ * @access public
+ */
+ function SimpleMock($test, $wildcard, $is_strict = true) {
+ $this->SimpleStub($wildcard, $is_strict);
+ if (! $test) {
+ trigger_error('No unit tester for mock object', E_USER_ERROR);
+ return;
+ }
+ $this->_test = SimpleMock::registerTest($test);
+ $this->_expected_counts = array();
+ $this->_max_counts = array();
+ $this->_expected_args = array();
+ $this->_expected_args_at = array();
+ }
+
+ /**
+ * Accessor for attached unit test so that when
+ * subclassed, new expectations can be added easily.
+ * @return SimpleTestCase Unit test passed in constructor.
+ * @access public
+ */
+ function getTest() {
+ return $this->_test;
+ }
+
+ /**
+ * Die if bad arguments array is passed
+ * @param mixed $args The arguments value to be checked.
+ * @param string $task Description of task attempt.
+ * @return boolean Valid arguments
+ * @access private
+ */
+ function _checkArgumentsIsArray($args, $task) {
+ if (! is_array($args)) {
+ trigger_error(
+ "Cannot $task as \$args parameter is not an array",
+ E_USER_ERROR);
+ }
+ }
+
+ /**
+ * Sets up an expected call with a set of
+ * expected parameters in that call. All
+ * calls will be compared to these expectations
+ * regardless of when the call is made.
+ * @param string $method Method call to test.
+ * @param array $args Expected parameters for the call
+ * including wildcards.
+ * @param string $message Overridden message.
+ * @access public
+ */
+ function expectArguments($method, $args, $message = '%s') {
+ $this->_dieOnNoMethod($method, 'set expected arguments');
+ $this->_checkArgumentsIsArray($args, 'set expected arguments');
+ $args = $this->_replaceWildcards($args);
+ $message .= Mock::getExpectationLine(' at line [%d]');
+ $this->_expected_args[strtolower($method)] =
+ new ParametersExpectation($args, $message);
+ }
+
+ /**
+ * Sets up an expected call with a set of
+ * expected parameters in that call. The
+ * expected call count will be adjusted if it
+ * is set too low to reach this call.
+ * @param integer $timing Number of calls in the future at
+ * which to test. Next call is 0.
+ * @param string $method Method call to test.
+ * @param array $args Expected parameters for the call
+ * including wildcards.
+ * @param string $message Overridden message.
+ * @access public
+ */
+ function expectArgumentsAt($timing, $method, $args, $message = '%s') {
+ $this->_dieOnNoMethod($method, 'set expected arguments at time');
+ $this->_checkArgumentsIsArray($args, 'set expected arguments at time');
+ $args = $this->_replaceWildcards($args);
+ if (! isset($this->_expected_args_at[$timing])) {
+ $this->_expected_args_at[$timing] = array();
+ }
+ $method = strtolower($method);
+ $message .= Mock::getExpectationLine(' at line [%d]');
+ $this->_expected_args_at[$timing][$method] =
+ new ParametersExpectation($args, $message);
+ }
+
+ /**
+ * Sets an expectation for the number of times
+ * a method will be called. The tally method
+ * is used to check this.
+ * @param string $method Method call to test.
+ * @param integer $count Number of times it should
+ * have been called at tally.
+ * @param string $message Overridden message.
+ * @access public
+ */
+ function expectCallCount($method, $count, $message = '%s') {
+ $this->_dieOnNoMethod($method, 'set expected call count');
+ $message .= Mock::getExpectationLine(' at line [%d]');
+ $this->_expected_counts[strtolower($method)] =
+ new CallCountExpectation($method, $count, $message);
+ }
+
+ /**
+ * Sets the number of times a method may be called
+ * before a test failure is triggered.
+ * @param string $method Method call to test.
+ * @param integer $count Most number of times it should
+ * have been called.
+ * @param string $message Overridden message.
+ * @access public
+ */
+ function expectMaximumCallCount($method, $count, $message = '%s') {
+ $this->_dieOnNoMethod($method, 'set maximum call count');
+ $message .= Mock::getExpectationLine(' at line [%d]');
+ $this->_max_counts[strtolower($method)] =
+ new MaximumCallCountExpectation($method, $count, $message);
+ }
+
+ /**
+ * Sets the number of times to call a method to prevent
+ * a failure on the tally.
+ * @param string $method Method call to test.
+ * @param integer $count Least number of times it should
+ * have been called.
+ * @param string $message Overridden message.
+ * @access public
+ */
+ function expectMinimumCallCount($method, $count, $message = '%s') {
+ $this->_dieOnNoMethod($method, 'set minimum call count');
+ $message .= Mock::getExpectationLine(' at line [%d]');
+ $this->_expected_counts[strtolower($method)] =
+ new MinimumCallCountExpectation($method, $count, $message);
+ }
+
+ /**
+ * Convenience method for barring a method
+ * call.
+ * @param string $method Method call to ban.
+ * @param string $message Overridden message.
+ * @access public
+ */
+ function expectNever($method, $message = '%s') {
+ $this->expectMaximumCallCount($method, 0, $message);
+ }
+
+ /**
+ * Convenience method for a single method
+ * call.
+ * @param string $method Method call to track.
+ * @param array $args Expected argument list or
+ * false for any arguments.
+ * @param string $message Overridden message.
+ * @access public
+ */
+ function expectOnce($method, $args = false, $message = '%s') {
+ $this->expectCallCount($method, 1, $message);
+ if ($args !== false) {
+ $this->expectArguments($method, $args, $message);
+ }
+ }
+
+ /**
+ * Convenience method for requiring a method
+ * call.
+ * @param string $method Method call to track.
+ * @param array $args Expected argument list or
+ * false for any arguments.
+ * @param string $message Overridden message.
+ * @access public
+ */
+ function expectAtLeastOnce($method, $args = false, $message = '%s') {
+ $this->expectMinimumCallCount($method, 1, $message);
+ if ($args !== false) {
+ $this->expectArguments($method, $args, $message);
+ }
+ }
+
+ /**
+ * Totals up the call counts and triggers a test
+ * assertion if a test is present for expected
+ * call counts.
+ * This method must be called explicitly for the call
+ * count assertions to be triggered.
+ * @access public
+ */
+ function tally() {
+ foreach ($this->_expected_counts as $method => $expectation) {
+ $this->_assertTrue(
+ $expectation->test($this->getCallCount($method)),
+ $expectation->overlayMessage($this->getCallCount($method)));
+ }
+ foreach ($this->_max_counts as $method => $expectation) {
+ if ($expectation->test($this->getCallCount($method))) {
+ $this->_assertTrue(
+ true,
+ $expectation->overlayMessage($this->getCallCount($method)));
+ }
+ }
+ }
+
+ /**
+ * Returns the expected value for the method name
+ * and checks expectations. Will generate any
+ * test assertions as a result of expectations
+ * if there is a test present.
+ * @param string $method Name of method to simulate.
+ * @param array $args Arguments as an array.
+ * @return mixed Stored return.
+ * @access private
+ */
+ function _invoke($method, $args) {
+ $method = strtolower($method);
+ $step = $this->getCallCount($method);
+ $this->_addCall($method, $args);
+ $this->_checkExpectations($method, $args, $step);
+ return $this->_getReturn($method, $args, $step);
+ }
+
+ /**
+ * Tests the arguments against expectations.
+ * @param string $method Method to check.
+ * @param array $args Argument list to match.
+ * @param integer $timing The position of this call
+ * in the call history.
+ * @access private
+ */
+ function _checkExpectations($method, $args, $timing) {
+ if (isset($this->_max_counts[$method])) {
+ if (! $this->_max_counts[$method]->test($timing + 1)) {
+ $this->_assertTrue(
+ false,
+ $this->_max_counts[$method]->overlayMessage($timing + 1));
+ }
+ }
+ if (isset($this->_expected_args_at[$timing][$method])) {
+ $this->_assertTrue(
+ $this->_expected_args_at[$timing][$method]->test($args),
+ "Mock method [$method] at [$timing] -> " .
+ $this->_expected_args_at[$timing][$method]->overlayMessage($args));
+ } elseif (isset($this->_expected_args[$method])) {
+ $this->_assertTrue(
+ $this->_expected_args[$method]->test($args),
+ "Mock method [$method] -> " . $this->_expected_args[$method]->overlayMessage($args));
+ }
+ }
+
+ /**
+ * Triggers an assertion on the held test case.
+ * Should be overridden when using another test
+ * framework other than the SimpleTest one if the
+ * assertion method has a different name.
+ * @param boolean $assertion True will pass.
+ * @param string $message Message that will go with
+ * the test event.
+ * @access protected
+ */
+ function _assertTrue($assertion, $message) {
+ $test =SimpleMock::injectTest($this->_test);
+ $test->assertTrue($assertion, $message);
+ }
+
+ /**
+ * Stashes the test case for later recovery.
+ * @param SimpleTestCase $test Test case.
+ * @return string Key to find it again.
+ * @access public
+ * @static
+ */
+ function registerTest($test) {
+ $registry =SimpleMock::_getRegistry();
+ $registry[$class = get_class($test)] = $test;
+ return $class;
+ }
+
+ /**
+ * Resolves the dependency on the test case.
+ * @param string $class Key to look up test case in.
+ * @return SimpleTestCase Test case to send results to.
+ * @access public
+ * @static
+ */
+ function injectTest($key) {
+ $registry =SimpleMock::_getRegistry();
+ return $registry[$key];
+ }
+
+ /**
+ * Registry for test cases. The reason for this is
+ * to break the reference between the test cases and
+ * the mocks. It was leading to a fatal error due to
+ * recursive dependencies during comparisons. See
+ * http://bugs.php.net/bug.php?id=31449 for the PHP
+ * bug.
+ * @return array List of references.
+ * @access private
+ * @static
+ */
+ function _getRegistry() {
+ static $registry;
+ if (! isset($registry)) {
+ $registry = array();
+ }
+ return $registry;
+ }
+ }
+
+ /**
+ * Static methods only service class for code generation of
+ * server stubs.
+ * @package SimpleTest
+ * @subpackage MockObjects
+ */
+ class Stub {
+
+ /**
+ * Factory for server stub classes.
+ */
+ function Stub() {
+ trigger_error('Stub factory methods are class only.');
+ }
+
+ /**
+ * Clones a class' interface and creates a stub version
+ * that can have return values set.
+ * @param string $class Class to clone.
+ * @param string $stub_class New class name. Default is
+ * the old name with "Stub"
+ * prepended.
+ * @param array $methods Additional methods to add beyond
+ * those in the cloned class. Use this
+ * to emulate the dynamic addition of
+ * methods in the cloned class or when
+ * the class hasn't been written yet.
+ * @static
+ * @access public
+ */
+ function generate($class, $stub_class = false, $methods = false) {
+ if (! SimpleTestCompatibility::classExists($class)) {
+ return false;
+ }
+ if (! $stub_class) {
+ $stub_class = "Stub" . $class;
+ }
+ if (SimpleTestCompatibility::classExists($stub_class)) {
+ return false;
+ }
+ return eval(Stub::_createClassCode(
+ $class,
+ $stub_class,
+ $methods ? $methods : array()) . " return true;");
+ }
+
+ /**
+ * The new server stub class code in string form.
+ * @param string $class Class to clone.
+ * @param string $mock_class New class name.
+ * @param array $methods Additional methods.
+ * @static
+ * @access private
+ */
+ function _createClassCode($class, $stub_class, $methods) {
+ $stub_base = SimpleTestOptions::getStubBaseClass();
+ $code = "class $stub_class extends $stub_base {\n";
+ $code .= " function $stub_class(\$wildcard = MOCK_WILDCARD) {\n";
+ $code .= " \$this->$stub_base(\$wildcard);\n";
+ $code .= " }\n";
+ $code .= Stub::_createHandlerCode($class, $stub_base, $methods);
+ $code .= "}\n";
+ return $code;
+ }
+
+ /**
+ * Creates code within a class to generate replaced
+ * methods. All methods call the _invoke() handler
+ * with the method name and the arguments in an
+ * array.
+ * @param string $class Class to clone.
+ * @param string $base Base mock/stub class with methods that
+ * cannot be cloned. Otherwise you
+ * would be stubbing the accessors used
+ * to set the stubs.
+ * @param array $methods Additional methods.
+ * @static
+ * @access private
+ */
+ function _createHandlerCode($class, $base, $methods) {
+ $code = "";
+ $methods = array_merge($methods, get_class_methods($class));
+ foreach ($methods as $method) {
+ if (Stub::_isSpecialMethod($method)) {
+ continue;
+ }
+ if (in_array($method, get_class_methods($base))) {
+ continue;
+ }
+ $code .= " function $method() {\n";
+ $code .= " \$args = func_get_args();\n";
+ $code .= " return \$this->_invoke(\"$method\", \$args);\n";
+ $code .= " }\n";
+ }
+ return $code;
+ }
+
+ /**
+ * Tests to see if a special PHP method is about to
+ * be stubbed by mistake.
+ * @param string $method Method name.
+ * @return boolean True if special.
+ * @access private
+ * @static
+ */
+ function _isSpecialMethod($method) {
+ return in_array(
+ strtolower($method),
+ array('__construct', '__clone', '__get', '__set', '__call'));
+ }
+ }
+
+ /**
+ * Static methods only service class for code generation of
+ * mock objects.
+ * @package SimpleTest
+ * @subpackage MockObjects
+ */
+ class Mock {
+
+ /**
+ * Factory for mock object classes.
+ * @access public
+ */
+ function Mock() {
+ trigger_error("Mock factory methods are class only.");
+ }
+
+ /**
+ * Clones a class' interface and creates a mock version
+ * that can have return values and expectations set.
+ * @param string $class Class to clone.
+ * @param string $mock_class New class name. Default is
+ * the old name with "Mock"
+ * prepended.
+ * @param array $methods Additional methods to add beyond
+ * those in th cloned class. Use this
+ * to emulate the dynamic addition of
+ * methods in the cloned class or when
+ * the class hasn't been written yet.
+ * @static
+ * @access public
+ */
+ function generate($class, $mock_class = false, $methods = false) {
+ if (! SimpleTestCompatibility::classExists($class)) {
+ return false;
+ }
+ if (! $mock_class) {
+ $mock_class = "Mock" . $class;
+ }
+ if (SimpleTestCompatibility::classExists($mock_class)) {
+ return false;
+ }
+ return eval(Mock::_createClassCode(
+ $class,
+ $mock_class,
+ $methods ? $methods : array()) . " return true;");
+ }
+
+ /**
+ * Generates a version of a class with selected
+ * methods mocked only. Inherits the old class
+ * and chains the mock methods of an aggregated
+ * mock object.
+ * @param string $class Class to clone.
+ * @param string $mock_class New class name.
+ * @param array $methods Methods to be overridden
+ * with mock versions.
+ * @static
+ * @access public
+ */
+ function generatePartial($class, $mock_class, $methods) {
+ if (! SimpleTestCompatibility::classExists($class)) {
+ return false;
+ }
+ if (SimpleTestCompatibility::classExists($mock_class)) {
+ trigger_error("Partial mock class [$mock_class] already exists");
+ return false;
+ }
+ return eval(Mock::_extendClassCode($class, $mock_class, $methods));
+ }
+
+ /**
+ * The new mock class code as a string.
+ * @param string $class Class to clone.
+ * @param string $mock_class New class name.
+ * @param array $methods Additional methods.
+ * @return string Code for new mock class.
+ * @static
+ * @access private
+ */
+ function _createClassCode($class, $mock_class, $methods) {
+ $mock_base = SimpleTestOptions::getMockBaseClass();
+ $code = "class $mock_class extends $mock_base {\n";
+ $code .= " function $mock_class(&\$test, \$wildcard = MOCK_WILDCARD) {\n";
+ $code .= " \$this->$mock_base(\$test, \$wildcard);\n";
+ $code .= " }\n";
+ $code .= Stub::_createHandlerCode($class, $mock_base, $methods);
+ $code .= "}\n";
+ return $code;
+ }
+
+ /**
+ * The extension class code as a string. The class
+ * composites a mock object and chains mocked methods
+ * to it.
+ * @param string $class Class to extend.
+ * @param string $mock_class New class name.
+ * @param array $methods Mocked methods.
+ * @return string Code for a new class.
+ * @static
+ * @access private
+ */
+ function _extendClassCode($class, $mock_class, $methods) {
+ $mock_base = SimpleTestOptions::getMockBaseClass();
+ $code = "class $mock_class extends $class {\n";
+ $code .= " var \$_mock;\n";
+ $code .= Mock::_addMethodList($methods);
+ $code .= "\n";
+ $code .= " function $mock_class(&\$test, \$wildcard = MOCK_WILDCARD) {\n";
+ $code .= " \$this->_mock = new $mock_base(\$test, \$wildcard, false);\n";
+ $code .= " }\n";
+ $code .= Mock::_chainMockReturns();
+ $code .= Mock::_chainMockExpectations();
+ $code .= Mock::_overrideMethods($methods);
+ $code .= SimpleTestOptions::getPartialMockCode();
+ $code .= "}\n";
+ return $code;
+ }
+
+ /**
+ * Creates a list of mocked methods for error checking.
+ * @param array $methods Mocked methods.
+ * @return string Code for a method list.
+ * @access private
+ */
+ function _addMethodList($methods) {
+ return " var \$_mocked_methods = array('" . implode("', '", $methods) . "');\n";
+ }
+
+ /**
+ * Creates code to abandon the expectation if not mocked.
+ * @param string $alias Parameter name of method name.
+ * @return string Code for bail out.
+ * @access private
+ */
+ function _bailOutIfNotMocked($alias) {
+ $code = " if (! in_array($alias, \$this->_mocked_methods)) {\n";
+ $code .= " trigger_error(\"Method [$alias] is not mocked\");\n";
+ $code .= " return;\n";
+ $code .= " }\n";
+ return $code;
+ }
+
+ /**
+ * Creates source code for chaining to the composited
+ * mock object.
+ * @return string Code for mock set up.
+ * @access private
+ */
+ function _chainMockReturns() {
+ $code = " function setReturnValue(\$method, \$value, \$args = false) {\n";
+ $code .= Mock::_bailOutIfNotMocked("\$method");
+ $code .= " \$this->_mock->setReturnValue(\$method, \$value, \$args);\n";
+ $code .= " }\n";
+ $code .= " function setReturnValueAt(\$timing, \$method, \$value, \$args = false) {\n";
+ $code .= Mock::_bailOutIfNotMocked("\$method");
+ $code .= " \$this->_mock->setReturnValueAt(\$timing, \$method, \$value, \$args);\n";
+ $code .= " }\n";
+ $code .= " function setReturnReference(\$method, &\$ref, \$args = false) {\n";
+ $code .= Mock::_bailOutIfNotMocked("\$method");
+ $code .= " \$this->_mock->setReturnReference(\$method, \$ref, \$args);\n";
+ $code .= " }\n";
+ $code .= " function setReturnReferenceAt(\$timing, \$method, &\$ref, \$args = false) {\n";
+ $code .= Mock::_bailOutIfNotMocked("\$method");
+ $code .= " \$this->_mock->setReturnReferenceAt(\$timing, \$method, \$ref, \$args);\n";
+ $code .= " }\n";
+ return $code;
+ }
+
+ /**
+ * Creates source code for chaining to an aggregated
+ * mock object.
+ * @return string Code for expectations.
+ * @access private
+ */
+ function _chainMockExpectations() {
+ $code = " function expectArguments(\$method, \$args = false) {\n";
+ $code .= Mock::_bailOutIfNotMocked("\$method");
+ $code .= " \$this->_mock->expectArguments(\$method, \$args);\n";
+ $code .= " }\n";
+ $code .= " function expectArgumentsAt(\$timing, \$method, \$args = false) {\n";
+ $code .= Mock::_bailOutIfNotMocked("\$method");
+ $code .= " \$this->_mock->expectArgumentsAt(\$timing, \$method, \$args);\n";
+ $code .= " }\n";
+ $code .= " function expectCallCount(\$method, \$count) {\n";
+ $code .= Mock::_bailOutIfNotMocked("\$method");
+ $code .= " \$this->_mock->expectCallCount(\$method, \$count);\n";
+ $code .= " }\n";
+ $code .= " function expectMaximumCallCount(\$method, \$count) {\n";
+ $code .= Mock::_bailOutIfNotMocked("\$method");
+ $code .= " \$this->_mock->expectMaximumCallCount(\$method, \$count);\n";
+ $code .= " }\n";
+ $code .= " function expectMinimumCallCount(\$method, \$count) {\n";
+ $code .= Mock::_bailOutIfNotMocked("\$method");
+ $code .= " \$this->_mock->expectMinimumCallCount(\$method, \$count);\n";
+ $code .= " }\n";
+ $code .= " function expectNever(\$method) {\n";
+ $code .= Mock::_bailOutIfNotMocked("\$method");
+ $code .= " \$this->_mock->expectNever(\$method);\n";
+ $code .= " }\n";
+ $code .= " function expectOnce(\$method, \$args = false) {\n";
+ $code .= Mock::_bailOutIfNotMocked("\$method");
+ $code .= " \$this->_mock->expectOnce(\$method, \$args);\n";
+ $code .= " }\n";
+ $code .= " function expectAtLeastOnce(\$method, \$args = false) {\n";
+ $code .= Mock::_bailOutIfNotMocked("\$method");
+ $code .= " \$this->_mock->expectAtLeastOnce(\$method, \$args);\n";
+ $code .= " }\n";
+ $code .= " function tally() {\n";
+ $code .= " \$this->_mock->tally();\n";
+ $code .= " }\n";
+ return $code;
+ }
+
+ /**
+ * Creates source code to override a list of methods
+ * with mock versions.
+ * @param array $methods Methods to be overridden
+ * with mock versions.
+ * @return string Code for overridden chains.
+ * @access private
+ */
+ function _overrideMethods($methods) {
+ $code = "";
+ foreach ($methods as $method) {
+ $code .= " function $method() {\n";
+ $code .= " \$args = func_get_args();\n";
+ $code .= " return \$this->_mock->_invoke(\"$method\", \$args);\n";
+ $code .= " }\n";
+ }
+ return $code;
+ }
+
+ /**
+ * Uses a stack trace to find the line of an assertion.
+ * @param string $format String formatting.
+ * @param array $stack Stack frames top most first. Only
+ * needed if not using the PHP
+ * backtrace function.
+ * @return string Line number of first expect*
+ * method embedded in format string.
+ * @access public
+ * @static
+ */
+ function getExpectationLine($format = '%d', $stack = false) {
+ if ($stack === false) {
+ $stack = SimpleTestCompatibility::getStackTrace();
+ }
+ return SimpleDumper::getFormattedAssertionLine($stack, $format, 'expect');
+ }
+ }
+?>
\ No newline at end of file |