680 lines
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680 lines
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<header>
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<h1 class="title">Module <code>connpy.tests.test_hooks</code></h1>
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</header>
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<section id="section-intro">
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<p>Tests for connpy.hooks module — MethodHook and ClassHook.</p>
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</section>
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<section>
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</section>
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<section>
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</section>
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<section>
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</section>
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<section>
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<h2 class="section-title" id="header-classes">Classes</h2>
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<dl>
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<dt id="connpy.tests.test_hooks.TestClassHook"><code class="flex name class">
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<span>class <span class="ident">TestClassHook</span></span>
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</code></dt>
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<dd>
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<details class="source">
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<summary>
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<span>Expand source code</span>
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</summary>
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<pre><code class="python">class TestClassHook:
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def test_creates_instance(self):
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"""ClassHook still creates instances normally."""
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@ClassHook
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class MyClass:
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def __init__(self, value):
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self.value = value
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obj = MyClass(42)
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assert obj.value == 42
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def test_modify_future_instances(self):
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"""modify() affects all future instances."""
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@ClassHook
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class MyClass:
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def __init__(self):
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self.x = 1
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def set_x_to_99(instance):
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instance.x = 99
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MyClass.modify(set_x_to_99)
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obj = MyClass()
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assert obj.x == 99
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def test_modify_does_not_affect_past(self):
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"""modify() does not affect already-created instances."""
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@ClassHook
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class MyClass:
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def __init__(self):
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self.x = 1
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old_obj = MyClass()
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def set_x_to_99(instance):
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instance.x = 99
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MyClass.modify(set_x_to_99)
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assert old_obj.x == 1 # Not affected
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assert MyClass().x == 99 # New instance IS affected
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def test_instance_modify(self):
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"""instance.modify() only affects that specific instance."""
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@ClassHook
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class MyClass:
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def __init__(self):
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self.x = 1
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obj1 = MyClass()
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obj2 = MyClass()
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obj1.modify(lambda inst: setattr(inst, 'x', 999))
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assert obj1.x == 999
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assert obj2.x == 1
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def test_multiple_deferred_hooks(self):
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"""Multiple modify() calls apply in order."""
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@ClassHook
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class MyClass:
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def __init__(self):
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self.log = []
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MyClass.modify(lambda inst: inst.log.append("first"))
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MyClass.modify(lambda inst: inst.log.append("second"))
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obj = MyClass()
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assert obj.log == ["first", "second"]
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def test_getattr_delegation(self):
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"""ClassHook delegates attribute access to the wrapped class."""
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@ClassHook
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class MyClass:
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class_var = "hello"
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def __init__(self):
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pass
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assert MyClass.class_var == "hello"</code></pre>
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</details>
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<div class="desc"></div>
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<h3>Methods</h3>
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<dl>
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<dt id="connpy.tests.test_hooks.TestClassHook.test_creates_instance"><code class="name flex">
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<span>def <span class="ident">test_creates_instance</span></span>(<span>self)</span>
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</code></dt>
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<dd>
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<details class="source">
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<summary>
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<span>Expand source code</span>
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</summary>
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<pre><code class="python">def test_creates_instance(self):
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"""ClassHook still creates instances normally."""
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@ClassHook
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class MyClass:
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def __init__(self, value):
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self.value = value
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obj = MyClass(42)
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assert obj.value == 42</code></pre>
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</details>
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<div class="desc"><p>ClassHook still creates instances normally.</p></div>
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</dd>
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<dt id="connpy.tests.test_hooks.TestClassHook.test_getattr_delegation"><code class="name flex">
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<span>def <span class="ident">test_getattr_delegation</span></span>(<span>self)</span>
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</code></dt>
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<dd>
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<details class="source">
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<summary>
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<span>Expand source code</span>
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</summary>
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<pre><code class="python">def test_getattr_delegation(self):
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"""ClassHook delegates attribute access to the wrapped class."""
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@ClassHook
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class MyClass:
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class_var = "hello"
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def __init__(self):
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pass
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assert MyClass.class_var == "hello"</code></pre>
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</details>
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<div class="desc"><p>ClassHook delegates attribute access to the wrapped class.</p></div>
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</dd>
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<dt id="connpy.tests.test_hooks.TestClassHook.test_instance_modify"><code class="name flex">
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<span>def <span class="ident">test_instance_modify</span></span>(<span>self)</span>
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</code></dt>
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<dd>
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<details class="source">
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<summary>
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<span>Expand source code</span>
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</summary>
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<pre><code class="python">def test_instance_modify(self):
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"""instance.modify() only affects that specific instance."""
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@ClassHook
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class MyClass:
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def __init__(self):
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self.x = 1
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obj1 = MyClass()
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obj2 = MyClass()
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obj1.modify(lambda inst: setattr(inst, 'x', 999))
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assert obj1.x == 999
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assert obj2.x == 1</code></pre>
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</details>
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<div class="desc"><p>instance.modify() only affects that specific instance.</p></div>
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</dd>
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<dt id="connpy.tests.test_hooks.TestClassHook.test_modify_does_not_affect_past"><code class="name flex">
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<span>def <span class="ident">test_modify_does_not_affect_past</span></span>(<span>self)</span>
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</code></dt>
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<dd>
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<details class="source">
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<summary>
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<span>Expand source code</span>
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</summary>
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<pre><code class="python">def test_modify_does_not_affect_past(self):
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"""modify() does not affect already-created instances."""
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@ClassHook
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class MyClass:
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def __init__(self):
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self.x = 1
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old_obj = MyClass()
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def set_x_to_99(instance):
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instance.x = 99
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MyClass.modify(set_x_to_99)
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assert old_obj.x == 1 # Not affected
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assert MyClass().x == 99 # New instance IS affected</code></pre>
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</details>
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<div class="desc"><p>modify() does not affect already-created instances.</p></div>
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</dd>
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<dt id="connpy.tests.test_hooks.TestClassHook.test_modify_future_instances"><code class="name flex">
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<span>def <span class="ident">test_modify_future_instances</span></span>(<span>self)</span>
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</code></dt>
|
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<dd>
|
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<details class="source">
|
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<summary>
|
|
<span>Expand source code</span>
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</summary>
|
|
<pre><code class="python">def test_modify_future_instances(self):
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"""modify() affects all future instances."""
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@ClassHook
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class MyClass:
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def __init__(self):
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self.x = 1
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def set_x_to_99(instance):
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instance.x = 99
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MyClass.modify(set_x_to_99)
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obj = MyClass()
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assert obj.x == 99</code></pre>
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</details>
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<div class="desc"><p>modify() affects all future instances.</p></div>
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</dd>
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<dt id="connpy.tests.test_hooks.TestClassHook.test_multiple_deferred_hooks"><code class="name flex">
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<span>def <span class="ident">test_multiple_deferred_hooks</span></span>(<span>self)</span>
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</code></dt>
|
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<dd>
|
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<details class="source">
|
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<summary>
|
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<span>Expand source code</span>
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</summary>
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|
<pre><code class="python">def test_multiple_deferred_hooks(self):
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"""Multiple modify() calls apply in order."""
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@ClassHook
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class MyClass:
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def __init__(self):
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self.log = []
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MyClass.modify(lambda inst: inst.log.append("first"))
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MyClass.modify(lambda inst: inst.log.append("second"))
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obj = MyClass()
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assert obj.log == ["first", "second"]</code></pre>
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</details>
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<div class="desc"><p>Multiple modify() calls apply in order.</p></div>
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</dd>
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</dl>
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</dd>
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<dt id="connpy.tests.test_hooks.TestMethodHook"><code class="flex name class">
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<span>class <span class="ident">TestMethodHook</span></span>
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</code></dt>
|
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<dd>
|
|
<details class="source">
|
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<summary>
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<span>Expand source code</span>
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</summary>
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<pre><code class="python">class TestMethodHook:
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def test_basic_call(self):
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"""Decorated function executes normally."""
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@MethodHook
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def add(a, b):
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return a + b
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assert add(2, 3) == 5
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def test_pre_hook_modifies_args(self):
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"""Pre-hook can modify arguments before execution."""
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@MethodHook
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def greet(name):
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return f"Hello {name}"
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def uppercase_hook(name):
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return (name.upper(),), {}
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greet.register_pre_hook(uppercase_hook)
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assert greet("world") == "Hello WORLD"
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def test_post_hook_modifies_result(self):
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"""Post-hook can modify the return value."""
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@MethodHook
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def compute(x):
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return x * 2
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def double_result(*args, **kwargs):
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return kwargs["result"] * 2
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compute.register_post_hook(double_result)
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assert compute(5) == 20 # 5*2=10, then 10*2=20
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def test_multiple_pre_hooks_order(self):
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"""Pre-hooks execute in registration order."""
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calls = []
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@MethodHook
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def func(x):
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return x
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def hook1(x):
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calls.append("hook1")
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return (x,), {}
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def hook2(x):
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calls.append("hook2")
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return (x,), {}
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func.register_pre_hook(hook1)
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func.register_pre_hook(hook2)
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func(1)
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assert calls == ["hook1", "hook2"]
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def test_multiple_post_hooks_order(self):
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"""Post-hooks execute in registration order."""
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calls = []
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@MethodHook
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def func(x):
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return x
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def hook1(*args, **kwargs):
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calls.append("hook1")
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return kwargs["result"]
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def hook2(*args, **kwargs):
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calls.append("hook2")
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return kwargs["result"]
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func.register_post_hook(hook1)
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func.register_post_hook(hook2)
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func(1)
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assert calls == ["hook1", "hook2"]
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def test_pre_hook_exception_continues(self, capsys):
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"""If a pre-hook raises, the function still executes."""
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@MethodHook
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def func(x):
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return x + 1
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def bad_hook(x):
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raise RuntimeError("broken hook")
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func.register_pre_hook(bad_hook)
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# Should not raise — the hook error is printed but execution continues
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result = func(5)
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assert result == 6
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def test_post_hook_exception_continues(self, capsys):
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"""If a post-hook raises, the result is still returned."""
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@MethodHook
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def func(x):
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return x + 1
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def bad_hook(*args, **kwargs):
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raise RuntimeError("broken post hook")
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func.register_post_hook(bad_hook)
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result = func(5)
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assert result == 6
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def test_method_hook_as_instance_method(self):
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"""MethodHook works as a descriptor on a class."""
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class MyClass:
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@MethodHook
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def double(self, x):
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return x * 2
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obj = MyClass()
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assert obj.double(5) == 10
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|
def test_method_hook_instance_hook_registration(self):
|
|
"""Can register hooks via instance method access."""
|
|
class MyClass:
|
|
@MethodHook
|
|
def process(self, x):
|
|
return x
|
|
|
|
def add_ten(*args, **kwargs):
|
|
return kwargs["result"] + 10
|
|
|
|
obj = MyClass()
|
|
obj.process.register_post_hook(add_ten)
|
|
assert obj.process(5) == 15</code></pre>
|
|
</details>
|
|
<div class="desc"></div>
|
|
<h3>Methods</h3>
|
|
<dl>
|
|
<dt id="connpy.tests.test_hooks.TestMethodHook.test_basic_call"><code class="name flex">
|
|
<span>def <span class="ident">test_basic_call</span></span>(<span>self)</span>
|
|
</code></dt>
|
|
<dd>
|
|
<details class="source">
|
|
<summary>
|
|
<span>Expand source code</span>
|
|
</summary>
|
|
<pre><code class="python">def test_basic_call(self):
|
|
"""Decorated function executes normally."""
|
|
@MethodHook
|
|
def add(a, b):
|
|
return a + b
|
|
assert add(2, 3) == 5</code></pre>
|
|
</details>
|
|
<div class="desc"><p>Decorated function executes normally.</p></div>
|
|
</dd>
|
|
<dt id="connpy.tests.test_hooks.TestMethodHook.test_method_hook_as_instance_method"><code class="name flex">
|
|
<span>def <span class="ident">test_method_hook_as_instance_method</span></span>(<span>self)</span>
|
|
</code></dt>
|
|
<dd>
|
|
<details class="source">
|
|
<summary>
|
|
<span>Expand source code</span>
|
|
</summary>
|
|
<pre><code class="python">def test_method_hook_as_instance_method(self):
|
|
"""MethodHook works as a descriptor on a class."""
|
|
class MyClass:
|
|
@MethodHook
|
|
def double(self, x):
|
|
return x * 2
|
|
|
|
obj = MyClass()
|
|
assert obj.double(5) == 10</code></pre>
|
|
</details>
|
|
<div class="desc"><p>MethodHook works as a descriptor on a class.</p></div>
|
|
</dd>
|
|
<dt id="connpy.tests.test_hooks.TestMethodHook.test_method_hook_instance_hook_registration"><code class="name flex">
|
|
<span>def <span class="ident">test_method_hook_instance_hook_registration</span></span>(<span>self)</span>
|
|
</code></dt>
|
|
<dd>
|
|
<details class="source">
|
|
<summary>
|
|
<span>Expand source code</span>
|
|
</summary>
|
|
<pre><code class="python">def test_method_hook_instance_hook_registration(self):
|
|
"""Can register hooks via instance method access."""
|
|
class MyClass:
|
|
@MethodHook
|
|
def process(self, x):
|
|
return x
|
|
|
|
def add_ten(*args, **kwargs):
|
|
return kwargs["result"] + 10
|
|
|
|
obj = MyClass()
|
|
obj.process.register_post_hook(add_ten)
|
|
assert obj.process(5) == 15</code></pre>
|
|
</details>
|
|
<div class="desc"><p>Can register hooks via instance method access.</p></div>
|
|
</dd>
|
|
<dt id="connpy.tests.test_hooks.TestMethodHook.test_multiple_post_hooks_order"><code class="name flex">
|
|
<span>def <span class="ident">test_multiple_post_hooks_order</span></span>(<span>self)</span>
|
|
</code></dt>
|
|
<dd>
|
|
<details class="source">
|
|
<summary>
|
|
<span>Expand source code</span>
|
|
</summary>
|
|
<pre><code class="python">def test_multiple_post_hooks_order(self):
|
|
"""Post-hooks execute in registration order."""
|
|
calls = []
|
|
|
|
@MethodHook
|
|
def func(x):
|
|
return x
|
|
|
|
def hook1(*args, **kwargs):
|
|
calls.append("hook1")
|
|
return kwargs["result"]
|
|
|
|
def hook2(*args, **kwargs):
|
|
calls.append("hook2")
|
|
return kwargs["result"]
|
|
|
|
func.register_post_hook(hook1)
|
|
func.register_post_hook(hook2)
|
|
func(1)
|
|
assert calls == ["hook1", "hook2"]</code></pre>
|
|
</details>
|
|
<div class="desc"><p>Post-hooks execute in registration order.</p></div>
|
|
</dd>
|
|
<dt id="connpy.tests.test_hooks.TestMethodHook.test_multiple_pre_hooks_order"><code class="name flex">
|
|
<span>def <span class="ident">test_multiple_pre_hooks_order</span></span>(<span>self)</span>
|
|
</code></dt>
|
|
<dd>
|
|
<details class="source">
|
|
<summary>
|
|
<span>Expand source code</span>
|
|
</summary>
|
|
<pre><code class="python">def test_multiple_pre_hooks_order(self):
|
|
"""Pre-hooks execute in registration order."""
|
|
calls = []
|
|
|
|
@MethodHook
|
|
def func(x):
|
|
return x
|
|
|
|
def hook1(x):
|
|
calls.append("hook1")
|
|
return (x,), {}
|
|
|
|
def hook2(x):
|
|
calls.append("hook2")
|
|
return (x,), {}
|
|
|
|
func.register_pre_hook(hook1)
|
|
func.register_pre_hook(hook2)
|
|
func(1)
|
|
assert calls == ["hook1", "hook2"]</code></pre>
|
|
</details>
|
|
<div class="desc"><p>Pre-hooks execute in registration order.</p></div>
|
|
</dd>
|
|
<dt id="connpy.tests.test_hooks.TestMethodHook.test_post_hook_exception_continues"><code class="name flex">
|
|
<span>def <span class="ident">test_post_hook_exception_continues</span></span>(<span>self, capsys)</span>
|
|
</code></dt>
|
|
<dd>
|
|
<details class="source">
|
|
<summary>
|
|
<span>Expand source code</span>
|
|
</summary>
|
|
<pre><code class="python">def test_post_hook_exception_continues(self, capsys):
|
|
"""If a post-hook raises, the result is still returned."""
|
|
@MethodHook
|
|
def func(x):
|
|
return x + 1
|
|
|
|
def bad_hook(*args, **kwargs):
|
|
raise RuntimeError("broken post hook")
|
|
|
|
func.register_post_hook(bad_hook)
|
|
result = func(5)
|
|
assert result == 6</code></pre>
|
|
</details>
|
|
<div class="desc"><p>If a post-hook raises, the result is still returned.</p></div>
|
|
</dd>
|
|
<dt id="connpy.tests.test_hooks.TestMethodHook.test_post_hook_modifies_result"><code class="name flex">
|
|
<span>def <span class="ident">test_post_hook_modifies_result</span></span>(<span>self)</span>
|
|
</code></dt>
|
|
<dd>
|
|
<details class="source">
|
|
<summary>
|
|
<span>Expand source code</span>
|
|
</summary>
|
|
<pre><code class="python">def test_post_hook_modifies_result(self):
|
|
"""Post-hook can modify the return value."""
|
|
@MethodHook
|
|
def compute(x):
|
|
return x * 2
|
|
|
|
def double_result(*args, **kwargs):
|
|
return kwargs["result"] * 2
|
|
|
|
compute.register_post_hook(double_result)
|
|
assert compute(5) == 20 # 5*2=10, then 10*2=20</code></pre>
|
|
</details>
|
|
<div class="desc"><p>Post-hook can modify the return value.</p></div>
|
|
</dd>
|
|
<dt id="connpy.tests.test_hooks.TestMethodHook.test_pre_hook_exception_continues"><code class="name flex">
|
|
<span>def <span class="ident">test_pre_hook_exception_continues</span></span>(<span>self, capsys)</span>
|
|
</code></dt>
|
|
<dd>
|
|
<details class="source">
|
|
<summary>
|
|
<span>Expand source code</span>
|
|
</summary>
|
|
<pre><code class="python">def test_pre_hook_exception_continues(self, capsys):
|
|
"""If a pre-hook raises, the function still executes."""
|
|
@MethodHook
|
|
def func(x):
|
|
return x + 1
|
|
|
|
def bad_hook(x):
|
|
raise RuntimeError("broken hook")
|
|
|
|
func.register_pre_hook(bad_hook)
|
|
# Should not raise — the hook error is printed but execution continues
|
|
result = func(5)
|
|
assert result == 6</code></pre>
|
|
</details>
|
|
<div class="desc"><p>If a pre-hook raises, the function still executes.</p></div>
|
|
</dd>
|
|
<dt id="connpy.tests.test_hooks.TestMethodHook.test_pre_hook_modifies_args"><code class="name flex">
|
|
<span>def <span class="ident">test_pre_hook_modifies_args</span></span>(<span>self)</span>
|
|
</code></dt>
|
|
<dd>
|
|
<details class="source">
|
|
<summary>
|
|
<span>Expand source code</span>
|
|
</summary>
|
|
<pre><code class="python">def test_pre_hook_modifies_args(self):
|
|
"""Pre-hook can modify arguments before execution."""
|
|
@MethodHook
|
|
def greet(name):
|
|
return f"Hello {name}"
|
|
|
|
def uppercase_hook(name):
|
|
return (name.upper(),), {}
|
|
|
|
greet.register_pre_hook(uppercase_hook)
|
|
assert greet("world") == "Hello WORLD"</code></pre>
|
|
</details>
|
|
<div class="desc"><p>Pre-hook can modify arguments before execution.</p></div>
|
|
</dd>
|
|
</dl>
|
|
</dd>
|
|
</dl>
|
|
</section>
|
|
</article>
|
|
<nav id="sidebar">
|
|
<div class="toc">
|
|
<ul></ul>
|
|
</div>
|
|
<ul id="index">
|
|
<li><h3>Super-module</h3>
|
|
<ul>
|
|
<li><code><a title="connpy.tests" href="index.html">connpy.tests</a></code></li>
|
|
</ul>
|
|
</li>
|
|
<li><h3><a href="#header-classes">Classes</a></h3>
|
|
<ul>
|
|
<li>
|
|
<h4><code><a title="connpy.tests.test_hooks.TestClassHook" href="#connpy.tests.test_hooks.TestClassHook">TestClassHook</a></code></h4>
|
|
<ul class="">
|
|
<li><code><a title="connpy.tests.test_hooks.TestClassHook.test_creates_instance" href="#connpy.tests.test_hooks.TestClassHook.test_creates_instance">test_creates_instance</a></code></li>
|
|
<li><code><a title="connpy.tests.test_hooks.TestClassHook.test_getattr_delegation" href="#connpy.tests.test_hooks.TestClassHook.test_getattr_delegation">test_getattr_delegation</a></code></li>
|
|
<li><code><a title="connpy.tests.test_hooks.TestClassHook.test_instance_modify" href="#connpy.tests.test_hooks.TestClassHook.test_instance_modify">test_instance_modify</a></code></li>
|
|
<li><code><a title="connpy.tests.test_hooks.TestClassHook.test_modify_does_not_affect_past" href="#connpy.tests.test_hooks.TestClassHook.test_modify_does_not_affect_past">test_modify_does_not_affect_past</a></code></li>
|
|
<li><code><a title="connpy.tests.test_hooks.TestClassHook.test_modify_future_instances" href="#connpy.tests.test_hooks.TestClassHook.test_modify_future_instances">test_modify_future_instances</a></code></li>
|
|
<li><code><a title="connpy.tests.test_hooks.TestClassHook.test_multiple_deferred_hooks" href="#connpy.tests.test_hooks.TestClassHook.test_multiple_deferred_hooks">test_multiple_deferred_hooks</a></code></li>
|
|
</ul>
|
|
</li>
|
|
<li>
|
|
<h4><code><a title="connpy.tests.test_hooks.TestMethodHook" href="#connpy.tests.test_hooks.TestMethodHook">TestMethodHook</a></code></h4>
|
|
<ul class="">
|
|
<li><code><a title="connpy.tests.test_hooks.TestMethodHook.test_basic_call" href="#connpy.tests.test_hooks.TestMethodHook.test_basic_call">test_basic_call</a></code></li>
|
|
<li><code><a title="connpy.tests.test_hooks.TestMethodHook.test_method_hook_as_instance_method" href="#connpy.tests.test_hooks.TestMethodHook.test_method_hook_as_instance_method">test_method_hook_as_instance_method</a></code></li>
|
|
<li><code><a title="connpy.tests.test_hooks.TestMethodHook.test_method_hook_instance_hook_registration" href="#connpy.tests.test_hooks.TestMethodHook.test_method_hook_instance_hook_registration">test_method_hook_instance_hook_registration</a></code></li>
|
|
<li><code><a title="connpy.tests.test_hooks.TestMethodHook.test_multiple_post_hooks_order" href="#connpy.tests.test_hooks.TestMethodHook.test_multiple_post_hooks_order">test_multiple_post_hooks_order</a></code></li>
|
|
<li><code><a title="connpy.tests.test_hooks.TestMethodHook.test_multiple_pre_hooks_order" href="#connpy.tests.test_hooks.TestMethodHook.test_multiple_pre_hooks_order">test_multiple_pre_hooks_order</a></code></li>
|
|
<li><code><a title="connpy.tests.test_hooks.TestMethodHook.test_post_hook_exception_continues" href="#connpy.tests.test_hooks.TestMethodHook.test_post_hook_exception_continues">test_post_hook_exception_continues</a></code></li>
|
|
<li><code><a title="connpy.tests.test_hooks.TestMethodHook.test_post_hook_modifies_result" href="#connpy.tests.test_hooks.TestMethodHook.test_post_hook_modifies_result">test_post_hook_modifies_result</a></code></li>
|
|
<li><code><a title="connpy.tests.test_hooks.TestMethodHook.test_pre_hook_exception_continues" href="#connpy.tests.test_hooks.TestMethodHook.test_pre_hook_exception_continues">test_pre_hook_exception_continues</a></code></li>
|
|
<li><code><a title="connpy.tests.test_hooks.TestMethodHook.test_pre_hook_modifies_args" href="#connpy.tests.test_hooks.TestMethodHook.test_pre_hook_modifies_args">test_pre_hook_modifies_args</a></code></li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
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</nav>
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</main>
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<footer id="footer">
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<p>Generated by <a href="https://pdoc3.github.io/pdoc" title="pdoc: Python API documentation generator"><cite>pdoc</cite> 0.11.6</a>.</p>
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