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<a href="https://github.com/d3vyce/fastapi-toolsets/raw/master/docs/reference/pytest.md" title="View source of this page" class="md-content__button md-icon">
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<h1 id="pytest"><code>pytest</code><a class="headerlink" href="#pytest" title="Permanent link">&para;</a></h1>
<p>Here's the reference for all testing utilities and pytest fixtures.</p>
<p>You can import them directly from <code>fastapi_toolsets.pytest</code>:</p>
<div class="language-python highlight"><pre><span></span><code><span id="__span-0-1"><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a><span class="kn">from</span><span class="w"> </span><span class="nn">fastapi_toolsets.pytest</span><span class="w"> </span><span class="kn">import</span> <span class="p">(</span>
</span><span id="__span-0-2"><a id="__codelineno-0-2" name="__codelineno-0-2" href="#__codelineno-0-2"></a> <span class="n">register_fixtures</span><span class="p">,</span>
</span><span id="__span-0-3"><a id="__codelineno-0-3" name="__codelineno-0-3" href="#__codelineno-0-3"></a> <span class="n">create_async_client</span><span class="p">,</span>
</span><span id="__span-0-4"><a id="__codelineno-0-4" name="__codelineno-0-4" href="#__codelineno-0-4"></a> <span class="n">create_db_session</span><span class="p">,</span>
</span><span id="__span-0-5"><a id="__codelineno-0-5" name="__codelineno-0-5" href="#__codelineno-0-5"></a> <span class="n">worker_database_url</span><span class="p">,</span>
</span><span id="__span-0-6"><a id="__codelineno-0-6" name="__codelineno-0-6" href="#__codelineno-0-6"></a> <span class="n">create_worker_database</span><span class="p">,</span>
</span><span id="__span-0-7"><a id="__codelineno-0-7" name="__codelineno-0-7" href="#__codelineno-0-7"></a> <span class="n">cleanup_tables</span><span class="p">,</span>
</span><span id="__span-0-8"><a id="__codelineno-0-8" name="__codelineno-0-8" href="#__codelineno-0-8"></a><span class="p">)</span>
</span></code></pre></div>
<div class="doc doc-object doc-function">
<h2 id="fastapi_toolsets.pytest.plugin.register_fixtures" class="doc doc-heading">
<code class="highlight language-python"><span class="n">fastapi_toolsets</span><span class="o">.</span><span class="n">pytest</span><span class="o">.</span><span class="n">plugin</span><span class="o">.</span><span class="n">register_fixtures</span><span class="p">(</span><span class="n">registry</span><span class="p">,</span> <span class="n">namespace</span><span class="p">,</span> <span class="o">*</span><span class="p">,</span> <span class="n">prefix</span><span class="o">=</span><span class="s1">&#39;fixture_&#39;</span><span class="p">,</span> <span class="n">session_fixture</span><span class="o">=</span><span class="s1">&#39;db_session&#39;</span><span class="p">,</span> <span class="n">strategy</span><span class="o">=</span><span class="n">LoadStrategy</span><span class="o">.</span><span class="n">MERGE</span><span class="p">)</span></code>
<a href="#fastapi_toolsets.pytest.plugin.register_fixtures" class="headerlink" title="Permanent link">&para;</a></h2>
<div class="doc doc-contents first">
<p>Register pytest fixtures from a FixtureRegistry.</p>
<p>Automatically creates pytest fixtures for each fixture in the registry.
Dependencies are resolved via pytest fixture dependencies.</p>
<p><span class="doc-section-title">Parameters:</span></p>
<table>
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Description</th>
<th>Default</th>
</tr>
</thead>
<tbody>
<tr class="doc-section-item">
<td>
<code>registry</code>
</td>
<td>
<code><a class="autorefs autorefs-internal" title="&lt;code&gt;fastapi_toolsets.fixtures.registry.FixtureRegistry&lt;/code&gt;" href="../fixtures/#fastapi_toolsets.fixtures.registry.FixtureRegistry">FixtureRegistry</a></code>
</td>
<td>
<div class="doc-md-description">
<p>The FixtureRegistry containing fixtures</p>
</div>
</td>
<td>
<em>required</em>
</td>
</tr>
<tr class="doc-section-item">
<td>
<code>namespace</code>
</td>
<td>
<code><a class="autorefs autorefs-external" href="https://docs.python.org/3/library/stdtypes.html#dict">dict</a>[<a class="autorefs autorefs-external" href="https://docs.python.org/3/library/stdtypes.html#str">str</a>, <a class="autorefs autorefs-external" title="typing.Any" href="https://docs.python.org/3/library/typing.html#typing.Any">Any</a>]</code>
</td>
<td>
<div class="doc-md-description">
<p>The module's globals() dict to add fixtures to</p>
</div>
</td>
<td>
<em>required</em>
</td>
</tr>
<tr class="doc-section-item">
<td>
<code>prefix</code>
</td>
<td>
<code><a class="autorefs autorefs-external" href="https://docs.python.org/3/library/stdtypes.html#str">str</a></code>
</td>
<td>
<div class="doc-md-description">
<p>Prefix for generated fixture names (default: "fixture_")</p>
</div>
</td>
<td>
<code>&#39;fixture_&#39;</code>
</td>
</tr>
<tr class="doc-section-item">
<td>
<code>session_fixture</code>
</td>
<td>
<code><a class="autorefs autorefs-external" href="https://docs.python.org/3/library/stdtypes.html#str">str</a></code>
</td>
<td>
<div class="doc-md-description">
<p>Name of the db session fixture (default: "db_session")</p>
</div>
</td>
<td>
<code>&#39;db_session&#39;</code>
</td>
</tr>
<tr class="doc-section-item">
<td>
<code>strategy</code>
</td>
<td>
<code><a class="autorefs autorefs-internal" title="&lt;code&gt;fastapi_toolsets.fixtures.enum.LoadStrategy&lt;/code&gt;" href="../fixtures/#fastapi_toolsets.fixtures.enum.LoadStrategy">LoadStrategy</a></code>
</td>
<td>
<div class="doc-md-description">
<p>Loading strategy for fixtures (default: MERGE)</p>
</div>
</td>
<td>
<code><span title="fastapi_toolsets.fixtures.LoadStrategy.MERGE">MERGE</span></code>
</td>
</tr>
</tbody>
</table>
<p><span class="doc-section-title">Returns:</span></p>
<table>
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr class="doc-section-item">
<td>
<code><a class="autorefs autorefs-external" href="https://docs.python.org/3/library/stdtypes.html#list">list</a>[<a class="autorefs autorefs-external" href="https://docs.python.org/3/library/stdtypes.html#str">str</a>]</code>
</td>
<td>
<div class="doc-md-description">
<p>List of created fixture names</p>
</div>
</td>
</tr>
</tbody>
</table>
<details class="example" open>
<summary>Example</summary>
<div class="language-python highlight"><pre><span></span><code><span id="__span-0-1"><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a><span class="c1"># conftest.py</span>
</span><span id="__span-0-2"><a id="__codelineno-0-2" name="__codelineno-0-2" href="#__codelineno-0-2"></a><span class="kn">from</span><span class="w"> </span><span class="nn">app.fixtures</span><span class="w"> </span><span class="kn">import</span> <span class="n">fixtures</span>
</span><span id="__span-0-3"><a id="__codelineno-0-3" name="__codelineno-0-3" href="#__codelineno-0-3"></a><span class="kn">from</span><span class="w"> </span><span class="nn">fastapi_toolsets.pytest_plugin</span><span class="w"> </span><span class="kn">import</span> <span class="n">register_fixtures</span>
</span><span id="__span-0-4"><a id="__codelineno-0-4" name="__codelineno-0-4" href="#__codelineno-0-4"></a>
</span><span id="__span-0-5"><a id="__codelineno-0-5" name="__codelineno-0-5" href="#__codelineno-0-5"></a><span class="n">register_fixtures</span><span class="p">(</span><span class="n">fixtures</span><span class="p">,</span> <span class="nb">globals</span><span class="p">())</span>
</span><span id="__span-0-6"><a id="__codelineno-0-6" name="__codelineno-0-6" href="#__codelineno-0-6"></a>
</span><span id="__span-0-7"><a id="__codelineno-0-7" name="__codelineno-0-7" href="#__codelineno-0-7"></a><span class="c1"># Creates fixtures like:</span>
</span><span id="__span-0-8"><a id="__codelineno-0-8" name="__codelineno-0-8" href="#__codelineno-0-8"></a><span class="c1"># - fixture_roles</span>
</span><span id="__span-0-9"><a id="__codelineno-0-9" name="__codelineno-0-9" href="#__codelineno-0-9"></a><span class="c1"># - fixture_users (depends on fixture_roles if users depends on roles)</span>
</span><span id="__span-0-10"><a id="__codelineno-0-10" name="__codelineno-0-10" href="#__codelineno-0-10"></a><span class="c1"># - fixture_posts (depends on fixture_users if posts depends on users)</span>
</span></code></pre></div>
</details>
</div>
</div>
<div class="doc doc-object doc-function">
<h2 id="fastapi_toolsets.pytest.utils.create_async_client" class="doc doc-heading">
<code class="highlight language-python"><span class="n">fastapi_toolsets</span><span class="o">.</span><span class="n">pytest</span><span class="o">.</span><span class="n">utils</span><span class="o">.</span><span class="n">create_async_client</span><span class="p">(</span><span class="n">app</span><span class="p">,</span> <span class="n">base_url</span><span class="o">=</span><span class="s1">&#39;http://test&#39;</span><span class="p">,</span> <span class="n">dependency_overrides</span><span class="o">=</span><span class="kc">None</span><span class="p">)</span></code>
<span class="doc doc-labels">
<small class="doc doc-label doc-label-async"><code>async</code></small>
</span>
<a href="#fastapi_toolsets.pytest.utils.create_async_client" class="headerlink" title="Permanent link">&para;</a></h2>
<div class="doc doc-contents first">
<p>Create an async httpx client for testing FastAPI applications.</p>
<p><span class="doc-section-title">Parameters:</span></p>
<table>
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Description</th>
<th>Default</th>
</tr>
</thead>
<tbody>
<tr class="doc-section-item">
<td>
<code>app</code>
</td>
<td>
<code><a class="autorefs autorefs-external" title="typing.Any" href="https://docs.python.org/3/library/typing.html#typing.Any">Any</a></code>
</td>
<td>
<div class="doc-md-description">
<p>FastAPI application instance.</p>
</div>
</td>
<td>
<em>required</em>
</td>
</tr>
<tr class="doc-section-item">
<td>
<code>base_url</code>
</td>
<td>
<code><a class="autorefs autorefs-external" href="https://docs.python.org/3/library/stdtypes.html#str">str</a></code>
</td>
<td>
<div class="doc-md-description">
<p>Base URL for requests. Defaults to "<a href="http://test">http://test</a>".</p>
</div>
</td>
<td>
<code>&#39;http://test&#39;</code>
</td>
</tr>
<tr class="doc-section-item">
<td>
<code>dependency_overrides</code>
</td>
<td>
<code><a class="autorefs autorefs-external" href="https://docs.python.org/3/library/stdtypes.html#dict">dict</a>[<a class="autorefs autorefs-external" title="collections.abc.Callable" href="https://docs.python.org/3/library/collections.abc.html#collections.abc.Callable">Callable</a>[..., <a class="autorefs autorefs-external" title="typing.Any" href="https://docs.python.org/3/library/typing.html#typing.Any">Any</a>], <a class="autorefs autorefs-external" title="collections.abc.Callable" href="https://docs.python.org/3/library/collections.abc.html#collections.abc.Callable">Callable</a>[..., <a class="autorefs autorefs-external" title="typing.Any" href="https://docs.python.org/3/library/typing.html#typing.Any">Any</a>]] | None</code>
</td>
<td>
<div class="doc-md-description">
<p>Optional mapping of original dependencies to
their test replacements. Applied via <code>app.dependency_overrides</code>
before yielding and cleaned up after.</p>
</div>
</td>
<td>
<code>None</code>
</td>
</tr>
</tbody>
</table>
<p><span class="doc-section-title">Yields:</span></p>
<table>
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr class="doc-section-item">
<td>
<code><a class="autorefs autorefs-external" title="collections.abc.AsyncGenerator" href="https://docs.python.org/3/library/collections.abc.html#collections.abc.AsyncGenerator">AsyncGenerator</a>[<span title="httpx.AsyncClient">AsyncClient</span>, None]</code>
</td>
<td>
<div class="doc-md-description">
<p>An AsyncClient configured for the app.</p>
</div>
</td>
</tr>
</tbody>
</table>
<details class="example" open>
<summary>Example</summary>
<div class="language-python highlight"><pre><span></span><code><span id="__span-0-1"><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a><span class="kn">from</span><span class="w"> </span><span class="nn">fastapi</span><span class="w"> </span><span class="kn">import</span> <span class="n">FastAPI</span>
</span><span id="__span-0-2"><a id="__codelineno-0-2" name="__codelineno-0-2" href="#__codelineno-0-2"></a><span class="kn">from</span><span class="w"> </span><span class="nn">fastapi_toolsets.pytest</span><span class="w"> </span><span class="kn">import</span> <span class="n">create_async_client</span>
</span><span id="__span-0-3"><a id="__codelineno-0-3" name="__codelineno-0-3" href="#__codelineno-0-3"></a>
</span><span id="__span-0-4"><a id="__codelineno-0-4" name="__codelineno-0-4" href="#__codelineno-0-4"></a><span class="n">app</span> <span class="o">=</span> <span class="n">FastAPI</span><span class="p">()</span>
</span><span id="__span-0-5"><a id="__codelineno-0-5" name="__codelineno-0-5" href="#__codelineno-0-5"></a>
</span><span id="__span-0-6"><a id="__codelineno-0-6" name="__codelineno-0-6" href="#__codelineno-0-6"></a><span class="nd">@pytest</span><span class="o">.</span><span class="n">fixture</span>
</span><span id="__span-0-7"><a id="__codelineno-0-7" name="__codelineno-0-7" href="#__codelineno-0-7"></a><span class="k">async</span> <span class="k">def</span><span class="w"> </span><span class="nf">client</span><span class="p">():</span>
</span><span id="__span-0-8"><a id="__codelineno-0-8" name="__codelineno-0-8" href="#__codelineno-0-8"></a> <span class="k">async</span> <span class="k">with</span> <span class="n">create_async_client</span><span class="p">(</span><span class="n">app</span><span class="p">)</span> <span class="k">as</span> <span class="n">c</span><span class="p">:</span>
</span><span id="__span-0-9"><a id="__codelineno-0-9" name="__codelineno-0-9" href="#__codelineno-0-9"></a> <span class="k">yield</span> <span class="n">c</span>
</span><span id="__span-0-10"><a id="__codelineno-0-10" name="__codelineno-0-10" href="#__codelineno-0-10"></a>
</span><span id="__span-0-11"><a id="__codelineno-0-11" name="__codelineno-0-11" href="#__codelineno-0-11"></a><span class="k">async</span> <span class="k">def</span><span class="w"> </span><span class="nf">test_endpoint</span><span class="p">(</span><span class="n">client</span><span class="p">:</span> <span class="n">AsyncClient</span><span class="p">):</span>
</span><span id="__span-0-12"><a id="__codelineno-0-12" name="__codelineno-0-12" href="#__codelineno-0-12"></a> <span class="n">response</span> <span class="o">=</span> <span class="k">await</span> <span class="n">client</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">&quot;/health&quot;</span><span class="p">)</span>
</span><span id="__span-0-13"><a id="__codelineno-0-13" name="__codelineno-0-13" href="#__codelineno-0-13"></a> <span class="k">assert</span> <span class="n">response</span><span class="o">.</span><span class="n">status_code</span> <span class="o">==</span> <span class="mi">200</span>
</span></code></pre></div>
</details>
<details class="example-with-dependency-overrides" open>
<summary>Example with dependency overrides</summary>
<div class="language-python highlight"><pre><span></span><code><span id="__span-0-1"><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a><span class="kn">from</span><span class="w"> </span><span class="nn">fastapi_toolsets.pytest</span><span class="w"> </span><span class="kn">import</span> <span class="n">create_async_client</span><span class="p">,</span> <span class="n">create_db_session</span>
</span><span id="__span-0-2"><a id="__codelineno-0-2" name="__codelineno-0-2" href="#__codelineno-0-2"></a><span class="kn">from</span><span class="w"> </span><span class="nn">app.db</span><span class="w"> </span><span class="kn">import</span> <span class="n">get_db</span>
</span><span id="__span-0-3"><a id="__codelineno-0-3" name="__codelineno-0-3" href="#__codelineno-0-3"></a>
</span><span id="__span-0-4"><a id="__codelineno-0-4" name="__codelineno-0-4" href="#__codelineno-0-4"></a><span class="nd">@pytest</span><span class="o">.</span><span class="n">fixture</span>
</span><span id="__span-0-5"><a id="__codelineno-0-5" name="__codelineno-0-5" href="#__codelineno-0-5"></a><span class="k">async</span> <span class="k">def</span><span class="w"> </span><span class="nf">db_session</span><span class="p">():</span>
</span><span id="__span-0-6"><a id="__codelineno-0-6" name="__codelineno-0-6" href="#__codelineno-0-6"></a> <span class="k">async</span> <span class="k">with</span> <span class="n">create_db_session</span><span class="p">(</span><span class="n">DATABASE_URL</span><span class="p">,</span> <span class="n">Base</span><span class="p">,</span> <span class="n">cleanup</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span> <span class="k">as</span> <span class="n">session</span><span class="p">:</span>
</span><span id="__span-0-7"><a id="__codelineno-0-7" name="__codelineno-0-7" href="#__codelineno-0-7"></a> <span class="k">yield</span> <span class="n">session</span>
</span><span id="__span-0-8"><a id="__codelineno-0-8" name="__codelineno-0-8" href="#__codelineno-0-8"></a>
</span><span id="__span-0-9"><a id="__codelineno-0-9" name="__codelineno-0-9" href="#__codelineno-0-9"></a><span class="nd">@pytest</span><span class="o">.</span><span class="n">fixture</span>
</span><span id="__span-0-10"><a id="__codelineno-0-10" name="__codelineno-0-10" href="#__codelineno-0-10"></a><span class="k">async</span> <span class="k">def</span><span class="w"> </span><span class="nf">client</span><span class="p">(</span><span class="n">db_session</span><span class="p">):</span>
</span><span id="__span-0-11"><a id="__codelineno-0-11" name="__codelineno-0-11" href="#__codelineno-0-11"></a> <span class="k">async</span> <span class="k">def</span><span class="w"> </span><span class="nf">override</span><span class="p">():</span>
</span><span id="__span-0-12"><a id="__codelineno-0-12" name="__codelineno-0-12" href="#__codelineno-0-12"></a> <span class="k">yield</span> <span class="n">db_session</span>
</span><span id="__span-0-13"><a id="__codelineno-0-13" name="__codelineno-0-13" href="#__codelineno-0-13"></a>
</span><span id="__span-0-14"><a id="__codelineno-0-14" name="__codelineno-0-14" href="#__codelineno-0-14"></a> <span class="k">async</span> <span class="k">with</span> <span class="n">create_async_client</span><span class="p">(</span>
</span><span id="__span-0-15"><a id="__codelineno-0-15" name="__codelineno-0-15" href="#__codelineno-0-15"></a> <span class="n">app</span><span class="p">,</span> <span class="n">dependency_overrides</span><span class="o">=</span><span class="p">{</span><span class="n">get_db</span><span class="p">:</span> <span class="n">override</span><span class="p">}</span>
</span><span id="__span-0-16"><a id="__codelineno-0-16" name="__codelineno-0-16" href="#__codelineno-0-16"></a> <span class="p">)</span> <span class="k">as</span> <span class="n">c</span><span class="p">:</span>
</span><span id="__span-0-17"><a id="__codelineno-0-17" name="__codelineno-0-17" href="#__codelineno-0-17"></a> <span class="k">yield</span> <span class="n">c</span>
</span></code></pre></div>
</details>
</div>
</div>
<div class="doc doc-object doc-function">
<h2 id="fastapi_toolsets.pytest.utils.create_db_session" class="doc doc-heading">
<code class="highlight language-python"><span class="n">fastapi_toolsets</span><span class="o">.</span><span class="n">pytest</span><span class="o">.</span><span class="n">utils</span><span class="o">.</span><span class="n">create_db_session</span><span class="p">(</span><span class="n">database_url</span><span class="p">,</span> <span class="n">base</span><span class="p">,</span> <span class="o">*</span><span class="p">,</span> <span class="n">echo</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">expire_on_commit</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">drop_tables</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">cleanup</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span></code>
<span class="doc doc-labels">
<small class="doc doc-label doc-label-async"><code>async</code></small>
</span>
<a href="#fastapi_toolsets.pytest.utils.create_db_session" class="headerlink" title="Permanent link">&para;</a></h2>
<div class="doc doc-contents first">
<p>Create a database session for testing.</p>
<p>Creates tables before yielding the session and optionally drops them after.
Each call creates a fresh engine and session for test isolation.</p>
<p><span class="doc-section-title">Parameters:</span></p>
<table>
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Description</th>
<th>Default</th>
</tr>
</thead>
<tbody>
<tr class="doc-section-item">
<td>
<code>database_url</code>
</td>
<td>
<code><a class="autorefs autorefs-external" href="https://docs.python.org/3/library/stdtypes.html#str">str</a></code>
</td>
<td>
<div class="doc-md-description">
<p>Database connection URL (e.g., "postgresql+asyncpg://...").</p>
</div>
</td>
<td>
<em>required</em>
</td>
</tr>
<tr class="doc-section-item">
<td>
<code>base</code>
</td>
<td>
<code><a class="autorefs autorefs-external" href="https://docs.python.org/3/library/functions.html#type">type</a>[<span title="sqlalchemy.orm.DeclarativeBase">DeclarativeBase</span>]</code>
</td>
<td>
<div class="doc-md-description">
<p>SQLAlchemy DeclarativeBase class containing model metadata.</p>
</div>
</td>
<td>
<em>required</em>
</td>
</tr>
<tr class="doc-section-item">
<td>
<code>echo</code>
</td>
<td>
<code><a class="autorefs autorefs-external" href="https://docs.python.org/3/library/functions.html#bool">bool</a></code>
</td>
<td>
<div class="doc-md-description">
<p>Enable SQLAlchemy query logging. Defaults to False.</p>
</div>
</td>
<td>
<code>False</code>
</td>
</tr>
<tr class="doc-section-item">
<td>
<code>expire_on_commit</code>
</td>
<td>
<code><a class="autorefs autorefs-external" href="https://docs.python.org/3/library/functions.html#bool">bool</a></code>
</td>
<td>
<div class="doc-md-description">
<p>Expire objects after commit. Defaults to False.</p>
</div>
</td>
<td>
<code>False</code>
</td>
</tr>
<tr class="doc-section-item">
<td>
<code>drop_tables</code>
</td>
<td>
<code><a class="autorefs autorefs-external" href="https://docs.python.org/3/library/functions.html#bool">bool</a></code>
</td>
<td>
<div class="doc-md-description">
<p>Drop tables after test. Defaults to True.</p>
</div>
</td>
<td>
<code>True</code>
</td>
</tr>
<tr class="doc-section-item">
<td>
<code>cleanup</code>
</td>
<td>
<code><a class="autorefs autorefs-external" href="https://docs.python.org/3/library/functions.html#bool">bool</a></code>
</td>
<td>
<div class="doc-md-description">
<p>Truncate all tables after test using
:func:<code>cleanup_tables</code>. Defaults to False.</p>
</div>
</td>
<td>
<code>False</code>
</td>
</tr>
</tbody>
</table>
<p><span class="doc-section-title">Yields:</span></p>
<table>
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr class="doc-section-item">
<td>
<code><a class="autorefs autorefs-external" title="collections.abc.AsyncGenerator" href="https://docs.python.org/3/library/collections.abc.html#collections.abc.AsyncGenerator">AsyncGenerator</a>[<span title="sqlalchemy.ext.asyncio.AsyncSession">AsyncSession</span>, None]</code>
</td>
<td>
<div class="doc-md-description">
<p>An AsyncSession ready for database operations.</p>
</div>
</td>
</tr>
</tbody>
</table>
<details class="example" open>
<summary>Example</summary>
<div class="language-python highlight"><pre><span></span><code><span id="__span-0-1"><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a><span class="kn">from</span><span class="w"> </span><span class="nn">fastapi_toolsets.pytest</span><span class="w"> </span><span class="kn">import</span> <span class="n">create_db_session</span>
</span><span id="__span-0-2"><a id="__codelineno-0-2" name="__codelineno-0-2" href="#__codelineno-0-2"></a><span class="kn">from</span><span class="w"> </span><span class="nn">app.models</span><span class="w"> </span><span class="kn">import</span> <span class="n">Base</span>
</span><span id="__span-0-3"><a id="__codelineno-0-3" name="__codelineno-0-3" href="#__codelineno-0-3"></a>
</span><span id="__span-0-4"><a id="__codelineno-0-4" name="__codelineno-0-4" href="#__codelineno-0-4"></a><span class="n">DATABASE_URL</span> <span class="o">=</span> <span class="s2">&quot;postgresql+asyncpg://user:pass@localhost/test_db&quot;</span>
</span><span id="__span-0-5"><a id="__codelineno-0-5" name="__codelineno-0-5" href="#__codelineno-0-5"></a>
</span><span id="__span-0-6"><a id="__codelineno-0-6" name="__codelineno-0-6" href="#__codelineno-0-6"></a><span class="nd">@pytest</span><span class="o">.</span><span class="n">fixture</span>
</span><span id="__span-0-7"><a id="__codelineno-0-7" name="__codelineno-0-7" href="#__codelineno-0-7"></a><span class="k">async</span> <span class="k">def</span><span class="w"> </span><span class="nf">db_session</span><span class="p">():</span>
</span><span id="__span-0-8"><a id="__codelineno-0-8" name="__codelineno-0-8" href="#__codelineno-0-8"></a> <span class="k">async</span> <span class="k">with</span> <span class="n">create_db_session</span><span class="p">(</span>
</span><span id="__span-0-9"><a id="__codelineno-0-9" name="__codelineno-0-9" href="#__codelineno-0-9"></a> <span class="n">DATABASE_URL</span><span class="p">,</span> <span class="n">Base</span><span class="p">,</span> <span class="n">cleanup</span><span class="o">=</span><span class="kc">True</span>
</span><span id="__span-0-10"><a id="__codelineno-0-10" name="__codelineno-0-10" href="#__codelineno-0-10"></a> <span class="p">)</span> <span class="k">as</span> <span class="n">session</span><span class="p">:</span>
</span><span id="__span-0-11"><a id="__codelineno-0-11" name="__codelineno-0-11" href="#__codelineno-0-11"></a> <span class="k">yield</span> <span class="n">session</span>
</span><span id="__span-0-12"><a id="__codelineno-0-12" name="__codelineno-0-12" href="#__codelineno-0-12"></a>
</span><span id="__span-0-13"><a id="__codelineno-0-13" name="__codelineno-0-13" href="#__codelineno-0-13"></a><span class="k">async</span> <span class="k">def</span><span class="w"> </span><span class="nf">test_create_user</span><span class="p">(</span><span class="n">db_session</span><span class="p">:</span> <span class="n">AsyncSession</span><span class="p">):</span>
</span><span id="__span-0-14"><a id="__codelineno-0-14" name="__codelineno-0-14" href="#__codelineno-0-14"></a> <span class="n">user</span> <span class="o">=</span> <span class="n">User</span><span class="p">(</span><span class="n">name</span><span class="o">=</span><span class="s2">&quot;test&quot;</span><span class="p">)</span>
</span><span id="__span-0-15"><a id="__codelineno-0-15" name="__codelineno-0-15" href="#__codelineno-0-15"></a> <span class="n">db_session</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="n">user</span><span class="p">)</span>
</span><span id="__span-0-16"><a id="__codelineno-0-16" name="__codelineno-0-16" href="#__codelineno-0-16"></a> <span class="k">await</span> <span class="n">db_session</span><span class="o">.</span><span class="n">commit</span><span class="p">()</span>
</span></code></pre></div>
</details>
</div>
</div>
<div class="doc doc-object doc-function">
<h2 id="fastapi_toolsets.pytest.utils.worker_database_url" class="doc doc-heading">
<code class="highlight language-python"><span class="n">fastapi_toolsets</span><span class="o">.</span><span class="n">pytest</span><span class="o">.</span><span class="n">utils</span><span class="o">.</span><span class="n">worker_database_url</span><span class="p">(</span><span class="n">database_url</span><span class="p">,</span> <span class="n">default_test_db</span><span class="p">)</span></code>
<a href="#fastapi_toolsets.pytest.utils.worker_database_url" class="headerlink" title="Permanent link">&para;</a></h2>
<div class="doc doc-contents first">
<p>Derive a per-worker database URL for pytest-xdist parallel runs.</p>
<p>Appends <code>_{worker_name}</code> to the database name so each xdist worker
operates on its own database. When not running under xdist,
<code>_{default_test_db}</code> is appended instead.</p>
<p>The worker name is read from the <code>PYTEST_XDIST_WORKER</code> environment
variable (set automatically by xdist in each worker process).</p>
<p><span class="doc-section-title">Parameters:</span></p>
<table>
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Description</th>
<th>Default</th>
</tr>
</thead>
<tbody>
<tr class="doc-section-item">
<td>
<code>database_url</code>
</td>
<td>
<code><a class="autorefs autorefs-external" href="https://docs.python.org/3/library/stdtypes.html#str">str</a></code>
</td>
<td>
<div class="doc-md-description">
<p>Original database connection URL.</p>
</div>
</td>
<td>
<em>required</em>
</td>
</tr>
<tr class="doc-section-item">
<td>
<code>default_test_db</code>
</td>
<td>
<code><a class="autorefs autorefs-external" href="https://docs.python.org/3/library/stdtypes.html#str">str</a></code>
</td>
<td>
<div class="doc-md-description">
<p>Suffix appended to the database name when
<code>PYTEST_XDIST_WORKER</code> is not set.</p>
</div>
</td>
<td>
<em>required</em>
</td>
</tr>
</tbody>
</table>
<p><span class="doc-section-title">Returns:</span></p>
<table>
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr class="doc-section-item">
<td>
<code><a class="autorefs autorefs-external" href="https://docs.python.org/3/library/stdtypes.html#str">str</a></code>
</td>
<td>
<div class="doc-md-description">
<p>A database URL with a worker- or default-specific database name.</p>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="doc doc-object doc-function">
<h2 id="fastapi_toolsets.pytest.utils.create_worker_database" class="doc doc-heading">
<code class="highlight language-python"><span class="n">fastapi_toolsets</span><span class="o">.</span><span class="n">pytest</span><span class="o">.</span><span class="n">utils</span><span class="o">.</span><span class="n">create_worker_database</span><span class="p">(</span><span class="n">database_url</span><span class="p">,</span> <span class="n">default_test_db</span><span class="o">=</span><span class="s1">&#39;test_db&#39;</span><span class="p">)</span></code>
<span class="doc doc-labels">
<small class="doc doc-label doc-label-async"><code>async</code></small>
</span>
<a href="#fastapi_toolsets.pytest.utils.create_worker_database" class="headerlink" title="Permanent link">&para;</a></h2>
<div class="doc doc-contents first">
<p>Create and drop a per-worker database for pytest-xdist isolation.</p>
<p>Derives a worker-specific database URL using :func:<code>worker_database_url</code>,
then delegates to :func:<code>~fastapi_toolsets.db.create_database</code> to create
and drop it. Intended for use as a <strong>session-scoped</strong> fixture.</p>
<p>When running under xdist the database name is suffixed with the worker
name (e.g. <code>_gw0</code>). Otherwise it is suffixed with <em>default_test_db</em>.</p>
<p><span class="doc-section-title">Parameters:</span></p>
<table>
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Description</th>
<th>Default</th>
</tr>
</thead>
<tbody>
<tr class="doc-section-item">
<td>
<code>database_url</code>
</td>
<td>
<code><a class="autorefs autorefs-external" href="https://docs.python.org/3/library/stdtypes.html#str">str</a></code>
</td>
<td>
<div class="doc-md-description">
<p>Original database connection URL (used as the server
connection and as the base for the worker database name).</p>
</div>
</td>
<td>
<em>required</em>
</td>
</tr>
<tr class="doc-section-item">
<td>
<code>default_test_db</code>
</td>
<td>
<code><a class="autorefs autorefs-external" href="https://docs.python.org/3/library/stdtypes.html#str">str</a></code>
</td>
<td>
<div class="doc-md-description">
<p>Suffix appended to the database name when
<code>PYTEST_XDIST_WORKER</code> is not set. Defaults to <code>"test_db"</code>.</p>
</div>
</td>
<td>
<code>&#39;test_db&#39;</code>
</td>
</tr>
</tbody>
</table>
<p><span class="doc-section-title">Yields:</span></p>
<table>
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr class="doc-section-item">
<td>
<code><a class="autorefs autorefs-external" title="collections.abc.AsyncGenerator" href="https://docs.python.org/3/library/collections.abc.html#collections.abc.AsyncGenerator">AsyncGenerator</a>[<a class="autorefs autorefs-external" href="https://docs.python.org/3/library/stdtypes.html#str">str</a>, None]</code>
</td>
<td>
<div class="doc-md-description">
<p>The worker-specific database URL.</p>
</div>
</td>
</tr>
</tbody>
</table>
<details class="example" open>
<summary>Example</summary>
<div class="language-python highlight"><pre><span></span><code><span id="__span-0-1"><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a><span class="kn">from</span><span class="w"> </span><span class="nn">fastapi_toolsets.pytest</span><span class="w"> </span><span class="kn">import</span> <span class="n">create_worker_database</span><span class="p">,</span> <span class="n">create_db_session</span>
</span><span id="__span-0-2"><a id="__codelineno-0-2" name="__codelineno-0-2" href="#__codelineno-0-2"></a>
</span><span id="__span-0-3"><a id="__codelineno-0-3" name="__codelineno-0-3" href="#__codelineno-0-3"></a><span class="n">DATABASE_URL</span> <span class="o">=</span> <span class="s2">&quot;postgresql+asyncpg://postgres:postgres@localhost/test_db&quot;</span>
</span><span id="__span-0-4"><a id="__codelineno-0-4" name="__codelineno-0-4" href="#__codelineno-0-4"></a>
</span><span id="__span-0-5"><a id="__codelineno-0-5" name="__codelineno-0-5" href="#__codelineno-0-5"></a><span class="nd">@pytest</span><span class="o">.</span><span class="n">fixture</span><span class="p">(</span><span class="n">scope</span><span class="o">=</span><span class="s2">&quot;session&quot;</span><span class="p">)</span>
</span><span id="__span-0-6"><a id="__codelineno-0-6" name="__codelineno-0-6" href="#__codelineno-0-6"></a><span class="k">async</span> <span class="k">def</span><span class="w"> </span><span class="nf">worker_db_url</span><span class="p">():</span>
</span><span id="__span-0-7"><a id="__codelineno-0-7" name="__codelineno-0-7" href="#__codelineno-0-7"></a> <span class="k">async</span> <span class="k">with</span> <span class="n">create_worker_database</span><span class="p">(</span><span class="n">DATABASE_URL</span><span class="p">)</span> <span class="k">as</span> <span class="n">url</span><span class="p">:</span>
</span><span id="__span-0-8"><a id="__codelineno-0-8" name="__codelineno-0-8" href="#__codelineno-0-8"></a> <span class="k">yield</span> <span class="n">url</span>
</span><span id="__span-0-9"><a id="__codelineno-0-9" name="__codelineno-0-9" href="#__codelineno-0-9"></a>
</span><span id="__span-0-10"><a id="__codelineno-0-10" name="__codelineno-0-10" href="#__codelineno-0-10"></a><span class="nd">@pytest</span><span class="o">.</span><span class="n">fixture</span>
</span><span id="__span-0-11"><a id="__codelineno-0-11" name="__codelineno-0-11" href="#__codelineno-0-11"></a><span class="k">async</span> <span class="k">def</span><span class="w"> </span><span class="nf">db_session</span><span class="p">(</span><span class="n">worker_db_url</span><span class="p">):</span>
</span><span id="__span-0-12"><a id="__codelineno-0-12" name="__codelineno-0-12" href="#__codelineno-0-12"></a> <span class="k">async</span> <span class="k">with</span> <span class="n">create_db_session</span><span class="p">(</span>
</span><span id="__span-0-13"><a id="__codelineno-0-13" name="__codelineno-0-13" href="#__codelineno-0-13"></a> <span class="n">worker_db_url</span><span class="p">,</span> <span class="n">Base</span><span class="p">,</span> <span class="n">cleanup</span><span class="o">=</span><span class="kc">True</span>
</span><span id="__span-0-14"><a id="__codelineno-0-14" name="__codelineno-0-14" href="#__codelineno-0-14"></a> <span class="p">)</span> <span class="k">as</span> <span class="n">session</span><span class="p">:</span>
</span><span id="__span-0-15"><a id="__codelineno-0-15" name="__codelineno-0-15" href="#__codelineno-0-15"></a> <span class="k">yield</span> <span class="n">session</span>
</span></code></pre></div>
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