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<!DOCTYPE html>
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Module: Mocha::API
— Mocha 2.1.0
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<div id="content"><h1>Module: Mocha::API
</h1>
<div class="box_info">
<dl>
<dt>Includes:</dt>
<dd><span class='object_link'><a href="Hooks.html" title="Mocha::Hooks (module)">Hooks</a></span>, <span class='object_link'><a href="ParameterMatchers.html" title="Mocha::ParameterMatchers (module)">ParameterMatchers</a></span></dd>
</dl>
<dl>
<dt>Included in:</dt>
<dd><span class='object_link'><a href="Integration/MiniTest/Adapter.html" title="Mocha::Integration::MiniTest::Adapter (module)">Integration::MiniTest::Adapter</a></span>, <span class='object_link'><a href="Integration/TestUnit/Adapter.html" title="Mocha::Integration::TestUnit::Adapter (module)">Integration::TestUnit::Adapter</a></span></dd>
</dl>
<dl>
<dt>Defined in:</dt>
<dd>lib/mocha/api.rb</dd>
</dl>
</div>
<h2>Overview</h2><div class="docstring">
<div class="discussion">
<p>Methods added to <code>Test::Unit::TestCase</code>, <code>MiniTest::Unit::TestCase</code> or equivalent. The mock creation methods are <span class='object_link'><a href="#mock-instance_method" title="Mocha::API#mock (method)">#mock</a></span>, <span class='object_link'><a href="#stub-instance_method" title="Mocha::API#stub (method)">#stub</a></span> and <span class='object_link'><a href="#stub_everything-instance_method" title="Mocha::API#stub_everything (method)">#stub_everything</a></span>, all of which return a #<span class='object_link'><a href="Mock.html" title="Mocha::Mock (class)">Mock</a></span> which can be further modified by <span class='object_link'><a href="Mock.html#responds_like-instance_method" title="Mocha::Mock#responds_like (method)">Mock#responds_like</a></span> and <span class='object_link'><a href="Mock.html#responds_like_instance_of-instance_method" title="Mocha::Mock#responds_like_instance_of (method)">Mock#responds_like_instance_of</a></span> methods, both of which return a <span class='object_link'><a href="Mock.html" title="Mocha::Mock (class)">Mock</a></span>, too, and can therefore, be chained to the original creation methods.</p>
<p><span class='object_link'><a href="Mock.html#responds_like-instance_method" title="Mocha::Mock#responds_like (method)">Mock#responds_like</a></span> and <span class='object_link'><a href="Mock.html#responds_like_instance_of-instance_method" title="Mocha::Mock#responds_like_instance_of (method)">Mock#responds_like_instance_of</a></span> force the mock to indicate what it is supposed to be mocking, thus making it a safer verifying mock. They check that the underlying <code>responder</code> will actually respond to the methods being stubbed, throwing a <code>NoMethodError</code> upon invocation otherwise.</p>
</div>
</div>
<div class="tags">
<div class="examples">
<p class="tag_title">Examples:</p>
<p class="example_title"><div class='inline'>
<p>Verifying mock using <span class='object_link'><a href="Mock.html#responds_like_instance_of-instance_method" title="Mocha::Mock#responds_like_instance_of (method)">Mock#responds_like_instance_of</a></span></p>
</div></p>
<pre class="example code"><code><span class='kw'>class</span> <span class='const'>Sheep</span>
<span class='kw'>def</span> <span class='id identifier rubyid_initialize'>initialize</span>
<span class='id identifier rubyid_raise'>raise</span> <span class='tstring'><span class='tstring_beg'>"</span><span class='tstring_content'>some awkward code we don't want to call</span><span class='tstring_end'>"</span></span>
<span class='kw'>end</span>
<span class='kw'>def</span> <span class='id identifier rubyid_chew'>chew</span><span class='lparen'>(</span><span class='id identifier rubyid_grass'>grass</span><span class='rparen'>)</span><span class='semicolon'>;</span> <span class='kw'>end</span>
<span class='kw'>end</span>
<span class='id identifier rubyid_sheep'>sheep</span> <span class='op'>=</span> <span class='id identifier rubyid_mock'>mock</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>'</span><span class='tstring_content'>sheep</span><span class='tstring_end'>'</span></span><span class='rparen'>)</span><span class='period'>.</span><span class='id identifier rubyid_responds_like_instance_of'>responds_like_instance_of</span><span class='lparen'>(</span><span class='const'>Sheep</span><span class='rparen'>)</span>
<span class='id identifier rubyid_sheep'>sheep</span><span class='period'>.</span><span class='id identifier rubyid_expects'>expects</span><span class='lparen'>(</span><span class='symbol'>:chew</span><span class='rparen'>)</span>
<span class='id identifier rubyid_sheep'>sheep</span><span class='period'>.</span><span class='id identifier rubyid_expects'>expects</span><span class='lparen'>(</span><span class='symbol'>:foo</span><span class='rparen'>)</span>
<span class='id identifier rubyid_sheep'>sheep</span><span class='period'>.</span><span class='id identifier rubyid_respond_to?'>respond_to?</span><span class='lparen'>(</span><span class='symbol'>:chew</span><span class='rparen'>)</span> <span class='comment'># => true
</span><span class='id identifier rubyid_sheep'>sheep</span><span class='period'>.</span><span class='id identifier rubyid_respond_to?'>respond_to?</span><span class='lparen'>(</span><span class='symbol'>:foo</span><span class='rparen'>)</span> <span class='comment'># => false
</span><span class='id identifier rubyid_sheep'>sheep</span><span class='period'>.</span><span class='id identifier rubyid_chew'>chew</span>
<span class='id identifier rubyid_sheep'>sheep</span><span class='period'>.</span><span class='id identifier rubyid_foo'>foo</span> <span class='comment'># => raises NoMethodError exception</span></code></pre>
</div>
</div>
<h2>
Instance Method Summary
<small><a href="#" class="summary_toggle">collapse</a></small>
</h2>
<ul class="summary">
<li class="public ">
<span class="summary_signature">
<a href="#mock-instance_method" title="#mock (instance method)">#<strong>mock</strong>(*arguments) ⇒ Mock </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Builds a new mock object.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#sequence-instance_method" title="#sequence (instance method)">#<strong>sequence</strong>(name) ⇒ Sequence </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Builds a new sequence which can be used to constrain the order in which expectations can occur.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#states-instance_method" title="#states (instance method)">#<strong>states</strong>(name) ⇒ StateMachine </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Builds a new state machine which can be used to constrain the order in which expectations can occur.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#stub-instance_method" title="#stub (instance method)">#<strong>stub</strong>(*arguments) ⇒ Mock </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Builds a new mock object.</p>
</div></span>
</li>
<li class="public ">
<span class="summary_signature">
<a href="#stub_everything-instance_method" title="#stub_everything (instance method)">#<strong>stub_everything</strong>(*arguments) ⇒ Mock </a>
</span>
<span class="summary_desc"><div class='inline'>
<p>Builds a mock object that accepts calls to any method.</p>
</div></span>
</li>
</ul>
<h3 class="inherited">Methods included from <span class='object_link'><a href="Hooks.html" title="Mocha::Hooks (module)">Hooks</a></span></h3>
<p class="inherited"><span class='object_link'><a href="Hooks.html#mocha_setup-instance_method" title="Mocha::Hooks#mocha_setup (method)">#mocha_setup</a></span>, <span class='object_link'><a href="Hooks.html#mocha_teardown-instance_method" title="Mocha::Hooks#mocha_teardown (method)">#mocha_teardown</a></span>, <span class='object_link'><a href="Hooks.html#mocha_verify-instance_method" title="Mocha::Hooks#mocha_verify (method)">#mocha_verify</a></span></p>
<h3 class="inherited">Methods included from <span class='object_link'><a href="ParameterMatchers.html" title="Mocha::ParameterMatchers (module)">ParameterMatchers</a></span></h3>
<p class="inherited"><span class='object_link'><a href="ParameterMatchers.html#Not-instance_method" title="Mocha::ParameterMatchers#Not (method)">#Not</a></span>, <span class='object_link'><a href="ParameterMatchers.html#all_of-instance_method" title="Mocha::ParameterMatchers#all_of (method)">#all_of</a></span>, <span class='object_link'><a href="ParameterMatchers.html#any_of-instance_method" title="Mocha::ParameterMatchers#any_of (method)">#any_of</a></span>, <span class='object_link'><a href="ParameterMatchers.html#any_parameters-instance_method" title="Mocha::ParameterMatchers#any_parameters (method)">#any_parameters</a></span>, <span class='object_link'><a href="ParameterMatchers.html#anything-instance_method" title="Mocha::ParameterMatchers#anything (method)">#anything</a></span>, <span class='object_link'><a href="ParameterMatchers.html#equals-instance_method" title="Mocha::ParameterMatchers#equals (method)">#equals</a></span>, <span class='object_link'><a href="ParameterMatchers.html#equivalent_uri-instance_method" title="Mocha::ParameterMatchers#equivalent_uri (method)">#equivalent_uri</a></span>, <span class='object_link'><a href="ParameterMatchers.html#has_entries-instance_method" title="Mocha::ParameterMatchers#has_entries (method)">#has_entries</a></span>, <span class='object_link'><a href="ParameterMatchers.html#has_entry-instance_method" title="Mocha::ParameterMatchers#has_entry (method)">#has_entry</a></span>, <span class='object_link'><a href="ParameterMatchers.html#has_key-instance_method" title="Mocha::ParameterMatchers#has_key (method)">#has_key</a></span>, <span class='object_link'><a href="ParameterMatchers.html#has_keys-instance_method" title="Mocha::ParameterMatchers#has_keys (method)">#has_keys</a></span>, <span class='object_link'><a href="ParameterMatchers.html#has_value-instance_method" title="Mocha::ParameterMatchers#has_value (method)">#has_value</a></span>, <span class='object_link'><a href="ParameterMatchers.html#includes-instance_method" title="Mocha::ParameterMatchers#includes (method)">#includes</a></span>, <span class='object_link'><a href="ParameterMatchers.html#instance_of-instance_method" title="Mocha::ParameterMatchers#instance_of (method)">#instance_of</a></span>, <span class='object_link'><a href="ParameterMatchers.html#is_a-instance_method" title="Mocha::ParameterMatchers#is_a (method)">#is_a</a></span>, <span class='object_link'><a href="ParameterMatchers.html#kind_of-instance_method" title="Mocha::ParameterMatchers#kind_of (method)">#kind_of</a></span>, <span class='object_link'><a href="ParameterMatchers.html#optionally-instance_method" title="Mocha::ParameterMatchers#optionally (method)">#optionally</a></span>, <span class='object_link'><a href="ParameterMatchers.html#regexp_matches-instance_method" title="Mocha::ParameterMatchers#regexp_matches (method)">#regexp_matches</a></span>, <span class='object_link'><a href="ParameterMatchers.html#responds_with-instance_method" title="Mocha::ParameterMatchers#responds_with (method)">#responds_with</a></span>, <span class='object_link'><a href="ParameterMatchers.html#yaml_equivalent-instance_method" title="Mocha::ParameterMatchers#yaml_equivalent (method)">#yaml_equivalent</a></span></p>
<div id="instance_method_details" class="method_details_list">
<h2>Instance Method Details</h2>
<div class="method_details first">
<h3 class="signature first" id="mock-instance_method">
<span class="overload">#<strong>mock</strong>(name) ⇒ <tt><span class='object_link'><a href="Mock.html" title="Mocha::Mock (class)">Mock</a></span></tt> </span>
<span class="overload">#<strong>mock</strong>(expected_methods_vs_return_values = {}) ⇒ <tt><span class='object_link'><a href="Mock.html" title="Mocha::Mock (class)">Mock</a></span></tt> </span>
<span class="overload">#<strong>mock</strong>(name, expected_methods_vs_return_values = {}) ⇒ <tt><span class='object_link'><a href="Mock.html" title="Mocha::Mock (class)">Mock</a></span></tt> </span>
</h3><div class="docstring">
<div class="discussion">
<p>Builds a new mock object</p>
</div>
</div>
<div class="tags">
<div class="examples">
<p class="tag_title">Examples:</p>
<p class="example_title"><div class='inline'>
<p>Using expected_methods_vs_return_values Hash to setup expectations.</p>
</div></p>
<pre class="example code"><code><span class='kw'>def</span> <span class='id identifier rubyid_test_motor_starts_and_stops'>test_motor_starts_and_stops</span>
<span class='id identifier rubyid_motor'>motor</span> <span class='op'>=</span> <span class='id identifier rubyid_mock'>mock</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>'</span><span class='tstring_content'>motor</span><span class='tstring_end'>'</span></span><span class='comma'>,</span> <span class='symbol'>:start</span> <span class='op'>=></span> <span class='kw'>true</span><span class='comma'>,</span> <span class='symbol'>:stop</span> <span class='op'>=></span> <span class='kw'>true</span><span class='rparen'>)</span>
<span class='id identifier rubyid_assert'>assert</span> <span class='id identifier rubyid_motor'>motor</span><span class='period'>.</span><span class='id identifier rubyid_start'>start</span>
<span class='id identifier rubyid_assert'>assert</span> <span class='id identifier rubyid_motor'>motor</span><span class='period'>.</span><span class='id identifier rubyid_stop'>stop</span>
<span class='comment'># an error will be raised unless both Motor#start and Motor#stop have been called
</span><span class='kw'>end</span></code></pre>
</div>
<p class="tag_title">Overloads:</p>
<ul class="overload">
<li class="overload_item">
<span class="signature">#<strong>mock</strong>(name) ⇒ <tt><span class='object_link'><a href="Mock.html" title="Mocha::Mock (class)">Mock</a></span></tt> </span>
<div class="docstring">
<div class="discussion">
</div>
</div>
<div class="tags">
<p class="tag_title">Parameters:</p>
<ul class="param">
<li>
<span class='name'>name</span>
<span class='type'>(<tt>String</tt>, <tt>Symbol</tt>)</span>
—
<div class='inline'>
<p>identifies mock object in error messages.</p>
</div>
</li>
</ul>
</div>
</li>
<li class="overload_item">
<span class="signature">#<strong>mock</strong>(expected_methods_vs_return_values = {}) ⇒ <tt><span class='object_link'><a href="Mock.html" title="Mocha::Mock (class)">Mock</a></span></tt> </span>
<div class="docstring">
<div class="discussion">
</div>
</div>
<div class="tags">
<p class="tag_title">Parameters:</p>
<ul class="param">
<li>
<span class='name'>expected_methods_vs_return_values</span>
<span class='type'>(<tt><span class='object_link'>Hash</span></tt>)</span>
<em class="default">(defaults to: <tt>{}</tt>)</em>
—
<div class='inline'>
<p>expected method name symbols as keys and corresponding return values as values - these expectations are setup as if <span class='object_link'><a href="Mock.html#expects-instance_method" title="Mocha::Mock#expects (method)">Mock#expects</a></span> were called multiple times.</p>
</div>
</li>
</ul>
</div>
</li>
<li class="overload_item">
<span class="signature">#<strong>mock</strong>(name, expected_methods_vs_return_values = {}) ⇒ <tt><span class='object_link'><a href="Mock.html" title="Mocha::Mock (class)">Mock</a></span></tt> </span>
<div class="docstring">
<div class="discussion">
</div>
</div>
<div class="tags">
<p class="tag_title">Parameters:</p>
<ul class="param">
<li>
<span class='name'>name</span>
<span class='type'>(<tt>String</tt>, <tt>Symbol</tt>)</span>
—
<div class='inline'>
<p>identifies mock object in error messages.</p>
</div>
</li>
<li>
<span class='name'>expected_methods_vs_return_values</span>
<span class='type'>(<tt><span class='object_link'>Hash</span></tt>)</span>
<em class="default">(defaults to: <tt>{}</tt>)</em>
—
<div class='inline'>
<p>expected method name symbols as keys and corresponding return values as values - these expectations are setup as if <span class='object_link'><a href="Mock.html#expects-instance_method" title="Mocha::Mock#expects (method)">Mock#expects</a></span> were called multiple times.</p>
</div>
</li>
</ul>
</div>
</li>
</ul>
<p class="tag_title">Returns:</p>
<ul class="return">
<li>
<span class='type'>(<tt><span class='object_link'><a href="Mock.html" title="Mocha::Mock (class)">Mock</a></span></tt>)</span>
—
<div class='inline'>
<p>a new mock object</p>
</div>
</li>
</ul>
</div><table class="source_code">
<tr>
<td>
<pre class="lines">
69
70
71
72
73
74
75</pre>
</td>
<td>
<pre class="code"><span class="info file"># File 'lib/mocha/api.rb', line 69</span>
<span class='kw'>def</span> <span class='id identifier rubyid_mock'>mock</span><span class='lparen'>(</span><span class='op'>*</span><span class='id identifier rubyid_arguments'>arguments</span><span class='rparen'>)</span>
<span class='id identifier rubyid_name'>name</span> <span class='op'>=</span> <span class='id identifier rubyid_arguments'>arguments</span><span class='period'>.</span><span class='id identifier rubyid_shift'>shift</span><span class='period'>.</span><span class='id identifier rubyid_to_s'>to_s</span> <span class='kw'>if</span> <span class='id identifier rubyid_arguments'>arguments</span><span class='period'>.</span><span class='id identifier rubyid_first'>first</span><span class='period'>.</span><span class='id identifier rubyid_is_a?'>is_a?</span><span class='lparen'>(</span><span class='const'>String</span><span class='rparen'>)</span> <span class='op'>||</span> <span class='id identifier rubyid_arguments'>arguments</span><span class='period'>.</span><span class='id identifier rubyid_first'>first</span><span class='period'>.</span><span class='id identifier rubyid_is_a?'>is_a?</span><span class='lparen'>(</span><span class='const'>Symbol</span><span class='rparen'>)</span>
<span class='id identifier rubyid_expectations'>expectations</span> <span class='op'>=</span> <span class='id identifier rubyid_arguments'>arguments</span><span class='period'>.</span><span class='id identifier rubyid_shift'>shift</span> <span class='op'>||</span> <span class='lbrace'>{</span><span class='rbrace'>}</span>
<span class='id identifier rubyid_mock'>mock</span> <span class='op'>=</span> <span class='id identifier rubyid_name'>name</span> <span class='op'>?</span> <span class='const'>Mockery</span><span class='period'>.</span><span class='id identifier rubyid_instance'>instance</span><span class='period'>.</span><span class='id identifier rubyid_named_mock'>named_mock</span><span class='lparen'>(</span><span class='id identifier rubyid_name'>name</span><span class='rparen'>)</span> <span class='op'>:</span> <span class='const'>Mockery</span><span class='period'>.</span><span class='id identifier rubyid_instance'>instance</span><span class='period'>.</span><span class='id identifier rubyid_unnamed_mock'>unnamed_mock</span>
<span class='id identifier rubyid_mock'>mock</span><span class='period'>.</span><span class='id identifier rubyid_expects'>expects</span><span class='lparen'>(</span><span class='id identifier rubyid_expectations'>expectations</span><span class='rparen'>)</span>
<span class='id identifier rubyid_mock'>mock</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="sequence-instance_method">
#<strong>sequence</strong>(name) ⇒ <tt><span class='object_link'><a href="Sequence.html" title="Mocha::Sequence (class)">Sequence</a></span></tt>
</h3><div class="docstring">
<div class="discussion">
<p>Builds a new sequence which can be used to constrain the order in which expectations can occur.</p>
<p>Specify that an expected invocation must occur within a named <span class='object_link'><a href="Sequence.html" title="Mocha::Sequence (class)">Sequence</a></span> by using <span class='object_link'><a href="Expectation.html#in_sequence-instance_method" title="Mocha::Expectation#in_sequence (method)">Expectation#in_sequence</a></span>.</p>
</div>
</div>
<div class="tags">
<div class="examples">
<p class="tag_title">Examples:</p>
<p class="example_title"><div class='inline'>
<p>Ensure methods on egg are invoked in correct order.</p>
</div></p>
<pre class="example code"><code><span class='id identifier rubyid_breakfast'>breakfast</span> <span class='op'>=</span> <span class='id identifier rubyid_sequence'>sequence</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>'</span><span class='tstring_content'>breakfast</span><span class='tstring_end'>'</span></span><span class='rparen'>)</span>
<span class='id identifier rubyid_egg'>egg</span> <span class='op'>=</span> <span class='id identifier rubyid_mock'>mock</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>'</span><span class='tstring_content'>egg</span><span class='tstring_end'>'</span></span><span class='rparen'>)</span>
<span class='id identifier rubyid_egg'>egg</span><span class='period'>.</span><span class='id identifier rubyid_expects'>expects</span><span class='lparen'>(</span><span class='symbol'>:crack</span><span class='rparen'>)</span><span class='period'>.</span><span class='id identifier rubyid_in_sequence'>in_sequence</span><span class='lparen'>(</span><span class='id identifier rubyid_breakfast'>breakfast</span><span class='rparen'>)</span>
<span class='id identifier rubyid_egg'>egg</span><span class='period'>.</span><span class='id identifier rubyid_expects'>expects</span><span class='lparen'>(</span><span class='symbol'>:fry</span><span class='rparen'>)</span><span class='period'>.</span><span class='id identifier rubyid_in_sequence'>in_sequence</span><span class='lparen'>(</span><span class='id identifier rubyid_breakfast'>breakfast</span><span class='rparen'>)</span>
<span class='id identifier rubyid_egg'>egg</span><span class='period'>.</span><span class='id identifier rubyid_expects'>expects</span><span class='lparen'>(</span><span class='symbol'>:eat</span><span class='rparen'>)</span><span class='period'>.</span><span class='id identifier rubyid_in_sequence'>in_sequence</span><span class='lparen'>(</span><span class='id identifier rubyid_breakfast'>breakfast</span><span class='rparen'>)</span></code></pre>
<p class="example_title"><div class='inline'>
<p>Ensure methods across multiple objects are invoked in correct order.</p>
</div></p>
<pre class="example code"><code><span class='id identifier rubyid_sequence'>sequence</span> <span class='op'>=</span> <span class='id identifier rubyid_sequence'>sequence</span><span class='lparen'>(</span><span class='symbol'>:task_order</span><span class='rparen'>)</span>
<span class='id identifier rubyid_task_one'>task_one</span> <span class='op'>=</span> <span class='id identifier rubyid_mock'>mock</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>"</span><span class='tstring_content'>task_one</span><span class='tstring_end'>"</span></span><span class='rparen'>)</span>
<span class='id identifier rubyid_task_two'>task_two</span> <span class='op'>=</span> <span class='id identifier rubyid_mock'>mock</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>"</span><span class='tstring_content'>task_two</span><span class='tstring_end'>"</span></span><span class='rparen'>)</span>
<span class='id identifier rubyid_task_one'>task_one</span><span class='period'>.</span><span class='id identifier rubyid_expects'>expects</span><span class='lparen'>(</span><span class='symbol'>:execute</span><span class='rparen'>)</span><span class='period'>.</span><span class='id identifier rubyid_in_sequence'>in_sequence</span><span class='lparen'>(</span><span class='id identifier rubyid_sequence'>sequence</span><span class='rparen'>)</span>
<span class='id identifier rubyid_task_two'>task_two</span><span class='period'>.</span><span class='id identifier rubyid_expects'>expects</span><span class='lparen'>(</span><span class='symbol'>:execute</span><span class='rparen'>)</span><span class='period'>.</span><span class='id identifier rubyid_in_sequence'>in_sequence</span><span class='lparen'>(</span><span class='id identifier rubyid_sequence'>sequence</span><span class='rparen'>)</span>
<span class='id identifier rubyid_task_one'>task_one</span><span class='period'>.</span><span class='id identifier rubyid_execute'>execute</span>
<span class='id identifier rubyid_task_two'>task_two</span><span class='period'>.</span><span class='id identifier rubyid_execute'>execute</span></code></pre>
</div>
<p class="tag_title">Returns:</p>
<ul class="return">
<li>
<span class='type'>(<tt><span class='object_link'><a href="Sequence.html" title="Mocha::Sequence (class)">Sequence</a></span></tt>)</span>
—
<div class='inline'>
<p>a new sequence</p>
</div>
</li>
</ul>
<p class="tag_title">See Also:</p>
<ul class="see">
<li><span class='object_link'><a href="Expectation.html#in_sequence-instance_method" title="Mocha::Expectation#in_sequence (method)">Expectation#in_sequence</a></span></li>
</ul>
</div><table class="source_code">
<tr>
<td>
<pre class="lines">
159
160
161</pre>
</td>
<td>
<pre class="code"><span class="info file"># File 'lib/mocha/api.rb', line 159</span>
<span class='kw'>def</span> <span class='id identifier rubyid_sequence'>sequence</span><span class='lparen'>(</span><span class='id identifier rubyid_name'>name</span><span class='rparen'>)</span>
<span class='const'><span class='object_link'><a href="Sequence.html" title="Mocha::Sequence (class)">Sequence</a></span></span><span class='period'>.</span><span class='id identifier rubyid_new'>new</span><span class='lparen'>(</span><span class='id identifier rubyid_name'>name</span><span class='rparen'>)</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="states-instance_method">
#<strong>states</strong>(name) ⇒ <tt><span class='object_link'><a href="StateMachine.html" title="Mocha::StateMachine (class)">StateMachine</a></span></tt>
</h3><div class="docstring">
<div class="discussion">
<p>Builds a new state machine which can be used to constrain the order in which expectations can occur.</p>
<p>Specify the initial state of the state machine by using <span class='object_link'><a href="StateMachine.html#starts_as-instance_method" title="Mocha::StateMachine#starts_as (method)">StateMachine#starts_as</a></span>.</p>
<p>Specify that an expected invocation should change the state of the state machine by using <span class='object_link'><a href="Expectation.html#then-instance_method" title="Mocha::Expectation#then (method)">Expectation#then</a></span>.</p>
<p>Specify that an expected invocation should be constrained to occur within a particular <code>state</code> by using <span class='object_link'><a href="Expectation.html#when-instance_method" title="Mocha::Expectation#when (method)">Expectation#when</a></span>.</p>
<p>A test can contain multiple state machines.</p>
</div>
</div>
<div class="tags">
<div class="examples">
<p class="tag_title">Examples:</p>
<p class="example_title"><div class='inline'>
<p>Constrain expected invocations to occur in particular states.</p>
</div></p>
<pre class="example code"><code><span class='id identifier rubyid_power'>power</span> <span class='op'>=</span> <span class='id identifier rubyid_states'>states</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>'</span><span class='tstring_content'>power</span><span class='tstring_end'>'</span></span><span class='rparen'>)</span><span class='period'>.</span><span class='id identifier rubyid_starts_as'>starts_as</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>'</span><span class='tstring_content'>off</span><span class='tstring_end'>'</span></span><span class='rparen'>)</span>
<span class='id identifier rubyid_radio'>radio</span> <span class='op'>=</span> <span class='id identifier rubyid_mock'>mock</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>'</span><span class='tstring_content'>radio</span><span class='tstring_end'>'</span></span><span class='rparen'>)</span>
<span class='id identifier rubyid_radio'>radio</span><span class='period'>.</span><span class='id identifier rubyid_expects'>expects</span><span class='lparen'>(</span><span class='symbol'>:switch_on</span><span class='rparen'>)</span><span class='period'>.</span><span class='id identifier rubyid_then'>then</span><span class='lparen'>(</span><span class='id identifier rubyid_power'>power</span><span class='period'>.</span><span class='id identifier rubyid_is'>is</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>'</span><span class='tstring_content'>on</span><span class='tstring_end'>'</span></span><span class='rparen'>)</span><span class='rparen'>)</span>
<span class='id identifier rubyid_radio'>radio</span><span class='period'>.</span><span class='id identifier rubyid_expects'>expects</span><span class='lparen'>(</span><span class='symbol'>:select_channel</span><span class='rparen'>)</span><span class='period'>.</span><span class='id identifier rubyid_with'>with</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>'</span><span class='tstring_content'>BBC Radio 4</span><span class='tstring_end'>'</span></span><span class='rparen'>)</span><span class='period'>.</span><span class='id identifier rubyid_when'>when</span><span class='lparen'>(</span><span class='id identifier rubyid_power'>power</span><span class='period'>.</span><span class='id identifier rubyid_is'>is</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>'</span><span class='tstring_content'>on</span><span class='tstring_end'>'</span></span><span class='rparen'>)</span><span class='rparen'>)</span>
<span class='id identifier rubyid_radio'>radio</span><span class='period'>.</span><span class='id identifier rubyid_expects'>expects</span><span class='lparen'>(</span><span class='symbol'>:adjust_volume</span><span class='rparen'>)</span><span class='period'>.</span><span class='id identifier rubyid_with'>with</span><span class='lparen'>(</span><span class='int'>+5</span><span class='rparen'>)</span><span class='period'>.</span><span class='id identifier rubyid_when'>when</span><span class='lparen'>(</span><span class='id identifier rubyid_power'>power</span><span class='period'>.</span><span class='id identifier rubyid_is'>is</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>'</span><span class='tstring_content'>on</span><span class='tstring_end'>'</span></span><span class='rparen'>)</span><span class='rparen'>)</span>
<span class='id identifier rubyid_radio'>radio</span><span class='period'>.</span><span class='id identifier rubyid_expects'>expects</span><span class='lparen'>(</span><span class='symbol'>:select_channel</span><span class='rparen'>)</span><span class='period'>.</span><span class='id identifier rubyid_with'>with</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>'</span><span class='tstring_content'>BBC World Service</span><span class='tstring_end'>'</span></span><span class='rparen'>)</span><span class='period'>.</span><span class='id identifier rubyid_when'>when</span><span class='lparen'>(</span><span class='id identifier rubyid_power'>power</span><span class='period'>.</span><span class='id identifier rubyid_is'>is</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>'</span><span class='tstring_content'>on</span><span class='tstring_end'>'</span></span><span class='rparen'>)</span><span class='rparen'>)</span>
<span class='id identifier rubyid_radio'>radio</span><span class='period'>.</span><span class='id identifier rubyid_expects'>expects</span><span class='lparen'>(</span><span class='symbol'>:adjust_volume</span><span class='rparen'>)</span><span class='period'>.</span><span class='id identifier rubyid_with'>with</span><span class='lparen'>(</span><span class='op'>-</span><span class='int'>5</span><span class='rparen'>)</span><span class='period'>.</span><span class='id identifier rubyid_when'>when</span><span class='lparen'>(</span><span class='id identifier rubyid_power'>power</span><span class='period'>.</span><span class='id identifier rubyid_is'>is</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>'</span><span class='tstring_content'>on</span><span class='tstring_end'>'</span></span><span class='rparen'>)</span><span class='rparen'>)</span>
<span class='id identifier rubyid_radio'>radio</span><span class='period'>.</span><span class='id identifier rubyid_expects'>expects</span><span class='lparen'>(</span><span class='symbol'>:switch_off</span><span class='rparen'>)</span><span class='period'>.</span><span class='id identifier rubyid_then'>then</span><span class='lparen'>(</span><span class='id identifier rubyid_power'>power</span><span class='period'>.</span><span class='id identifier rubyid_is'>is</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>'</span><span class='tstring_content'>off</span><span class='tstring_end'>'</span></span><span class='rparen'>)</span><span class='rparen'>)</span></code></pre>
</div>
<p class="tag_title">Returns:</p>
<ul class="return">
<li>
<span class='type'>(<tt><span class='object_link'><a href="StateMachine.html" title="Mocha::StateMachine (class)">StateMachine</a></span></tt>)</span>
—
<div class='inline'>
<p>a new state machine</p>
</div>
</li>
</ul>
<p class="tag_title">See Also:</p>
<ul class="see">
<li><span class='object_link'><a href="Expectation.html#then-instance_method" title="Mocha::Expectation#then (method)">Expectation#then</a></span></li>
<li><span class='object_link'><a href="Expectation.html#when-instance_method" title="Mocha::Expectation#when (method)">Expectation#when</a></span></li>
<li><span class='object_link'><a href="StateMachine.html" title="Mocha::StateMachine (class)">StateMachine</a></span></li>
</ul>
</div><table class="source_code">
<tr>
<td>
<pre class="lines">
188
189
190</pre>
</td>
<td>
<pre class="code"><span class="info file"># File 'lib/mocha/api.rb', line 188</span>
<span class='kw'>def</span> <span class='id identifier rubyid_states'>states</span><span class='lparen'>(</span><span class='id identifier rubyid_name'>name</span><span class='rparen'>)</span>
<span class='const'>Mockery</span><span class='period'>.</span><span class='id identifier rubyid_instance'>instance</span><span class='period'>.</span><span class='id identifier rubyid_new_state_machine'>new_state_machine</span><span class='lparen'>(</span><span class='id identifier rubyid_name'>name</span><span class='rparen'>)</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="stub-instance_method">
<span class="overload">#<strong>stub</strong>(name) ⇒ <tt><span class='object_link'><a href="Mock.html" title="Mocha::Mock (class)">Mock</a></span></tt> </span>
<span class="overload">#<strong>stub</strong>(stubbed_methods_vs_return_values = {}) ⇒ <tt><span class='object_link'><a href="Mock.html" title="Mocha::Mock (class)">Mock</a></span></tt> </span>
<span class="overload">#<strong>stub</strong>(name, stubbed_methods_vs_return_values = {}) ⇒ <tt><span class='object_link'><a href="Mock.html" title="Mocha::Mock (class)">Mock</a></span></tt> </span>
</h3><div class="docstring">
<div class="discussion">
<p>Builds a new mock object</p>
</div>
</div>
<div class="tags">
<div class="examples">
<p class="tag_title">Examples:</p>
<p class="example_title"><div class='inline'>
<p>Using stubbed_methods_vs_return_values Hash to setup stubbed methods.</p>
</div></p>
<pre class="example code"><code><span class='kw'>def</span> <span class='id identifier rubyid_test_motor_starts_and_stops'>test_motor_starts_and_stops</span>
<span class='id identifier rubyid_motor'>motor</span> <span class='op'>=</span> <span class='id identifier rubyid_stub'>stub</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>'</span><span class='tstring_content'>motor</span><span class='tstring_end'>'</span></span><span class='comma'>,</span> <span class='symbol'>:start</span> <span class='op'>=></span> <span class='kw'>true</span><span class='comma'>,</span> <span class='symbol'>:stop</span> <span class='op'>=></span> <span class='kw'>true</span><span class='rparen'>)</span>
<span class='id identifier rubyid_assert'>assert</span> <span class='id identifier rubyid_motor'>motor</span><span class='period'>.</span><span class='id identifier rubyid_start'>start</span>
<span class='id identifier rubyid_assert'>assert</span> <span class='id identifier rubyid_motor'>motor</span><span class='period'>.</span><span class='id identifier rubyid_stop'>stop</span>
<span class='comment'># an error will not be raised even if either Motor#start or Motor#stop has not been called
</span><span class='kw'>end</span></code></pre>
</div>
<p class="tag_title">Overloads:</p>
<ul class="overload">
<li class="overload_item">
<span class="signature">#<strong>stub</strong>(name) ⇒ <tt><span class='object_link'><a href="Mock.html" title="Mocha::Mock (class)">Mock</a></span></tt> </span>
<div class="docstring">
<div class="discussion">
</div>
</div>
<div class="tags">
<p class="tag_title">Parameters:</p>
<ul class="param">
<li>
<span class='name'>name</span>
<span class='type'>(<tt>String</tt>, <tt>Symbol</tt>)</span>
—
<div class='inline'>
<p>identifies mock object in error messages.</p>
</div>
</li>
</ul>
</div>
</li>
<li class="overload_item">
<span class="signature">#<strong>stub</strong>(stubbed_methods_vs_return_values = {}) ⇒ <tt><span class='object_link'><a href="Mock.html" title="Mocha::Mock (class)">Mock</a></span></tt> </span>
<div class="docstring">
<div class="discussion">
</div>
</div>
<div class="tags">
<p class="tag_title">Parameters:</p>
<ul class="param">
<li>
<span class='name'>stubbed_methods_vs_return_values</span>
<span class='type'>(<tt><span class='object_link'>Hash</span></tt>)</span>
<em class="default">(defaults to: <tt>{}</tt>)</em>
—
<div class='inline'>
<p>stubbed method name symbols as keys and corresponding return values as values - these stubbed methods are setup as if <span class='object_link'><a href="Mock.html#stubs-instance_method" title="Mocha::Mock#stubs (method)">Mock#stubs</a></span> were called multiple times.</p>
</div>
</li>
</ul>
</div>
</li>
<li class="overload_item">
<span class="signature">#<strong>stub</strong>(name, stubbed_methods_vs_return_values = {}) ⇒ <tt><span class='object_link'><a href="Mock.html" title="Mocha::Mock (class)">Mock</a></span></tt> </span>
<div class="docstring">
<div class="discussion">
</div>
</div>
<div class="tags">
<p class="tag_title">Parameters:</p>
<ul class="param">
<li>
<span class='name'>name</span>
<span class='type'>(<tt>String</tt>, <tt>Symbol</tt>)</span>
—
<div class='inline'>
<p>identifies mock object in error messages.</p>
</div>
</li>
<li>
<span class='name'>stubbed_methods_vs_return_values</span>
<span class='type'>(<tt><span class='object_link'>Hash</span></tt>)</span>
<em class="default">(defaults to: <tt>{}</tt>)</em>
—
<div class='inline'>
<p>stubbed method name symbols as keys and corresponding return values as values - these stubbed methods are setup as if <span class='object_link'><a href="Mock.html#stubs-instance_method" title="Mocha::Mock#stubs (method)">Mock#stubs</a></span> were called multiple times.</p>
</div>
</li>
</ul>
</div>
</li>
</ul>
<p class="tag_title">Returns:</p>
<ul class="return">
<li>
<span class='type'>(<tt><span class='object_link'><a href="Mock.html" title="Mocha::Mock (class)">Mock</a></span></tt>)</span>
—
<div class='inline'>
<p>a new mock object</p>
</div>
</li>
</ul>
</div><table class="source_code">
<tr>
<td>
<pre class="lines">
96
97
98
99
100
101
102</pre>
</td>
<td>
<pre class="code"><span class="info file"># File 'lib/mocha/api.rb', line 96</span>
<span class='kw'>def</span> <span class='id identifier rubyid_stub'>stub</span><span class='lparen'>(</span><span class='op'>*</span><span class='id identifier rubyid_arguments'>arguments</span><span class='rparen'>)</span>
<span class='id identifier rubyid_name'>name</span> <span class='op'>=</span> <span class='id identifier rubyid_arguments'>arguments</span><span class='period'>.</span><span class='id identifier rubyid_shift'>shift</span><span class='period'>.</span><span class='id identifier rubyid_to_s'>to_s</span> <span class='kw'>if</span> <span class='id identifier rubyid_arguments'>arguments</span><span class='period'>.</span><span class='id identifier rubyid_first'>first</span><span class='period'>.</span><span class='id identifier rubyid_is_a?'>is_a?</span><span class='lparen'>(</span><span class='const'>String</span><span class='rparen'>)</span> <span class='op'>||</span> <span class='id identifier rubyid_arguments'>arguments</span><span class='period'>.</span><span class='id identifier rubyid_first'>first</span><span class='period'>.</span><span class='id identifier rubyid_is_a?'>is_a?</span><span class='lparen'>(</span><span class='const'>Symbol</span><span class='rparen'>)</span>
<span class='id identifier rubyid_expectations'>expectations</span> <span class='op'>=</span> <span class='id identifier rubyid_arguments'>arguments</span><span class='period'>.</span><span class='id identifier rubyid_shift'>shift</span> <span class='op'>||</span> <span class='lbrace'>{</span><span class='rbrace'>}</span>
<span class='id identifier rubyid_stub'>stub</span> <span class='op'>=</span> <span class='id identifier rubyid_name'>name</span> <span class='op'>?</span> <span class='const'>Mockery</span><span class='period'>.</span><span class='id identifier rubyid_instance'>instance</span><span class='period'>.</span><span class='id identifier rubyid_named_mock'>named_mock</span><span class='lparen'>(</span><span class='id identifier rubyid_name'>name</span><span class='rparen'>)</span> <span class='op'>:</span> <span class='const'>Mockery</span><span class='period'>.</span><span class='id identifier rubyid_instance'>instance</span><span class='period'>.</span><span class='id identifier rubyid_unnamed_mock'>unnamed_mock</span>
<span class='id identifier rubyid_stub'>stub</span><span class='period'>.</span><span class='id identifier rubyid_stubs'>stubs</span><span class='lparen'>(</span><span class='id identifier rubyid_expectations'>expectations</span><span class='rparen'>)</span>
<span class='id identifier rubyid_stub'>stub</span>
<span class='kw'>end</span></pre>
</td>
</tr>
</table>
</div>
<div class="method_details ">
<h3 class="signature " id="stub_everything-instance_method">
<span class="overload">#<strong>stub_everything</strong>(name) ⇒ <tt><span class='object_link'><a href="Mock.html" title="Mocha::Mock (class)">Mock</a></span></tt> </span>
<span class="overload">#<strong>stub_everything</strong>(stubbed_methods_vs_return_values = {}) ⇒ <tt><span class='object_link'><a href="Mock.html" title="Mocha::Mock (class)">Mock</a></span></tt> </span>
<span class="overload">#<strong>stub_everything</strong>(name, stubbed_methods_vs_return_values = {}) ⇒ <tt><span class='object_link'><a href="Mock.html" title="Mocha::Mock (class)">Mock</a></span></tt> </span>
</h3><div class="docstring">
<div class="discussion">
<p>Builds a mock object that accepts calls to any method. By default it will return <code>nil</code> for any method call.</p>
</div>
</div>
<div class="tags">
<div class="examples">
<p class="tag_title">Examples:</p>
<p class="example_title"><div class='inline'>
<p>Ignore invocations of irrelevant methods.</p>
</div></p>
<pre class="example code"><code><span class='kw'>def</span> <span class='id identifier rubyid_test_motor_stops'>test_motor_stops</span>
<span class='id identifier rubyid_motor'>motor</span> <span class='op'>=</span> <span class='id identifier rubyid_stub_everything'>stub_everything</span><span class='lparen'>(</span><span class='tstring'><span class='tstring_beg'>'</span><span class='tstring_content'>motor</span><span class='tstring_end'>'</span></span><span class='comma'>,</span> <span class='symbol'>:stop</span> <span class='op'>=></span> <span class='kw'>true</span><span class='rparen'>)</span>
<span class='id identifier rubyid_assert_nil'>assert_nil</span> <span class='id identifier rubyid_motor'>motor</span><span class='period'>.</span><span class='id identifier rubyid_irrelevant_method_1'>irrelevant_method_1</span> <span class='comment'># => no error raised
</span> <span class='id identifier rubyid_assert_nil'>assert_nil</span> <span class='id identifier rubyid_motor'>motor</span><span class='period'>.</span><span class='id identifier rubyid_irrelevant_method_2'>irrelevant_method_2</span> <span class='comment'># => no error raised
</span> <span class='id identifier rubyid_assert'>assert</span> <span class='id identifier rubyid_motor'>motor</span><span class='period'>.</span><span class='id identifier rubyid_stop'>stop</span>
<span class='kw'>end</span></code></pre>
</div>
<p class="tag_title">Overloads:</p>
<ul class="overload">
<li class="overload_item">
<span class="signature">#<strong>stub_everything</strong>(name) ⇒ <tt><span class='object_link'><a href="Mock.html" title="Mocha::Mock (class)">Mock</a></span></tt> </span>
<div class="docstring">
<div class="discussion">
</div>
</div>
<div class="tags">
<p class="tag_title">Parameters:</p>
<ul class="param">
<li>
<span class='name'>name</span>