<!DOCTYPE html> <!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]--> <!--[if gt IE 8]><!--> <html class="no-js" lang="en" > <!--<![endif]--> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Getting Started with Moto — Moto 0.4.10 documentation</title> <link rel="stylesheet" href="_static/css/theme.css" type="text/css" /> <link rel="index" title="Index" href="genindex.html"/> <link rel="search" title="Search" href="search.html"/> <link rel="top" title="Moto 0.4.10 documentation" href="index.html"/> <link rel="prev" title="Moto: A Mock library for boto" href="index.html"/> <script src="_static/js/modernizr.min.js"></script> </head> <body class="wy-body-for-nav" role="document"> <div class="wy-grid-for-nav"> <nav data-toggle="wy-nav-shift" class="wy-nav-side"> <div class="wy-side-scroll"> <div class="wy-side-nav-search"> <a href="index.html" class="icon icon-home"> Moto </a> <div class="version"> 0.4.10 </div> <div 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class="toctree-l3"><a class="reference internal" href="#stand-alone-server-mode">Stand-alone server mode</a></li> </ul> </li> </ul> </li> </ul> </div> </div> </nav> <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"> <nav class="wy-nav-top" role="navigation" aria-label="top navigation"> <i data-toggle="wy-nav-top" class="fa fa-bars"></i> <a href="index.html">Moto</a> </nav> <div class="wy-nav-content"> <div class="rst-content"> <div role="navigation" aria-label="breadcrumbs navigation"> <ul class="wy-breadcrumbs"> <li><a href="index.html">Docs</a> »</li> <li>Getting Started with Moto</li> <li class="wy-breadcrumbs-aside"> <a href="_sources/getting_started.rst.txt" rel="nofollow"> View page source</a> </li> </ul> <hr/> </div> <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article"> <div itemprop="articleBody"> <div class="section" id="getting-started-with-moto"> <h1>Getting Started with Moto<a class="headerlink" href="#getting-started-with-moto" title="Permalink to this headline">¶</a></h1> <div class="section" id="installing-moto"> <h2>Installing Moto<a class="headerlink" href="#installing-moto" title="Permalink to this headline">¶</a></h2> <p>You can use <code class="docutils literal"><span class="pre">pip</span></code> to install the latest released version of <code class="docutils literal"><span class="pre">moto</span></code>:</p> <div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">pip</span> <span class="n">install</span> <span class="n">moto</span> </pre></div> </div> <p>If you want to install <code class="docutils literal"><span class="pre">moto</span></code> from source:</p> <div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">git</span> <span class="n">clone</span> <span class="n">git</span><span class="p">:</span><span class="o">//</span><span class="n">github</span><span class="o">.</span><span class="n">com</span><span class="o">/</span><span class="n">spulec</span><span class="o">/</span><span class="n">moto</span><span class="o">.</span><span class="n">git</span> <span class="n">cd</span> <span class="n">moto</span> <span class="n">python</span> <span class="n">setup</span><span class="o">.</span><span class="n">py</span> <span class="n">install</span> </pre></div> </div> </div> <div class="section" id="moto-usage"> <h2>Moto usage<a class="headerlink" href="#moto-usage" title="Permalink to this headline">¶</a></h2> <p>For example we have the following code we want to test:</p> <div class="highlight-python"><div class="highlight"><pre><span></span><span class="kn">import</span> <span class="nn">boto</span> <span class="kn">from</span> <span class="nn">boto.s3.key</span> <span class="kn">import</span> <span class="n">Key</span> <span class="k">class</span> <span class="nc">MyModel</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">name</span> <span class="bp">self</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="n">value</span> <span class="k">def</span> <span class="nf">save</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> <span class="n">conn</span> <span class="o">=</span> <span class="n">boto</span><span class="o">.</span><span class="n">connect_s3</span><span class="p">()</span> <span class="n">bucket</span> <span class="o">=</span> <span class="n">conn</span><span class="o">.</span><span class="n">get_bucket</span><span class="p">(</span><span class="s1">'mybucket'</span><span class="p">)</span> <span class="n">k</span> <span class="o">=</span> <span class="n">Key</span><span class="p">(</span><span class="n">bucket</span><span class="p">)</span> <span class="n">k</span><span class="o">.</span><span class="n">key</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span> <span class="n">k</span><span class="o">.</span><span class="n">set_contents_from_string</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">value</span><span class="p">)</span> </pre></div> </div> <p>There are several method to do this, just keep in mind Moto creates a full blank environment.</p> <div class="section" id="decorator"> <h3>Decorator<a class="headerlink" href="#decorator" title="Permalink to this headline">¶</a></h3> <p>With a decorator wrapping all the calls to S3 are automatically mocked out.</p> <div class="highlight-python"><div class="highlight"><pre><span></span><span class="kn">import</span> <span class="nn">boto</span> <span class="kn">from</span> <span class="nn">moto</span> <span class="kn">import</span> <span class="n">mock_s3</span> <span class="kn">from</span> <span class="nn">mymodule</span> <span class="kn">import</span> <span class="n">MyModel</span> <span class="nd">@mock_s3</span> <span class="k">def</span> <span class="nf">test_my_model_save</span><span class="p">():</span> <span class="n">conn</span> <span class="o">=</span> <span class="n">boto</span><span class="o">.</span><span class="n">connect_s3</span><span class="p">()</span> <span class="c1"># We need to create the bucket since this is all in Moto's 'virtual' AWS account</span> <span class="n">conn</span><span class="o">.</span><span class="n">create_bucket</span><span class="p">(</span><span class="s1">'mybucket'</span><span class="p">)</span> <span class="n">model_instance</span> <span class="o">=</span> <span class="n">MyModel</span><span class="p">(</span><span class="s1">'steve'</span><span class="p">,</span> <span class="s1">'is awesome'</span><span class="p">)</span> <span class="n">model_instance</span><span class="o">.</span><span class="n">save</span><span class="p">()</span> <span class="k">assert</span> <span class="n">conn</span><span class="o">.</span><span class="n">get_bucket</span><span class="p">(</span><span class="s1">'mybucket'</span><span class="p">)</span><span class="o">.</span><span class="n">get_key</span><span class="p">(</span><span class="s1">'steve'</span><span class="p">)</span><span class="o">.</span><span class="n">get_contents_as_string</span><span class="p">()</span> <span class="o">==</span> <span class="s1">'is awesome'</span> </pre></div> </div> </div> <div class="section" id="context-manager"> <h3>Context manager<a class="headerlink" href="#context-manager" title="Permalink to this headline">¶</a></h3> <p>Same as decorator, every call inside <code class="docutils literal"><span class="pre">with</span></code> statement are mocked out.</p> <div class="highlight-python"><div class="highlight"><pre><span></span><span class="k">def</span> <span class="nf">test_my_model_save</span><span class="p">():</span> <span class="k">with</span> <span class="n">mock_s3</span><span class="p">():</span> <span class="n">conn</span> <span class="o">=</span> <span class="n">boto</span><span class="o">.</span><span class="n">connect_s3</span><span class="p">()</span> <span class="n">conn</span><span class="o">.</span><span class="n">create_bucket</span><span class="p">(</span><span class="s1">'mybucket'</span><span class="p">)</span> <span class="n">model_instance</span> <span class="o">=</span> <span class="n">MyModel</span><span class="p">(</span><span class="s1">'steve'</span><span class="p">,</span> <span class="s1">'is awesome'</span><span class="p">)</span> <span class="n">model_instance</span><span class="o">.</span><span class="n">save</span><span class="p">()</span> <span class="k">assert</span> <span class="n">conn</span><span class="o">.</span><span class="n">get_bucket</span><span class="p">(</span><span class="s1">'mybucket'</span><span class="p">)</span><span class="o">.</span><span class="n">get_key</span><span class="p">(</span><span class="s1">'steve'</span><span class="p">)</span><span class="o">.</span><span class="n">get_contents_as_string</span><span class="p">()</span> <span class="o">==</span> <span class="s1">'is awesome'</span> </pre></div> </div> </div> <div class="section" id="raw"> <h3>Raw<a class="headerlink" href="#raw" title="Permalink to this headline">¶</a></h3> <p>You can also start and stop manually the mocking.</p> <div class="highlight-python"><div class="highlight"><pre><span></span><span class="k">def</span> <span class="nf">test_my_model_save</span><span class="p">():</span> <span class="n">mock</span> <span class="o">=</span> <span class="n">mock_s3</span><span class="p">()</span> <span class="n">mock</span><span class="o">.</span><span class="n">start</span><span class="p">()</span> <span class="n">conn</span> <span class="o">=</span> <span class="n">boto</span><span class="o">.</span><span class="n">connect_s3</span><span class="p">()</span> <span class="n">conn</span><span class="o">.</span><span class="n">create_bucket</span><span class="p">(</span><span class="s1">'mybucket'</span><span class="p">)</span> <span class="n">model_instance</span> <span class="o">=</span> <span class="n">MyModel</span><span class="p">(</span><span class="s1">'steve'</span><span class="p">,</span> <span class="s1">'is awesome'</span><span class="p">)</span> <span class="n">model_instance</span><span class="o">.</span><span class="n">save</span><span class="p">()</span> <span class="k">assert</span> <span class="n">conn</span><span class="o">.</span><span class="n">get_bucket</span><span class="p">(</span><span class="s1">'mybucket'</span><span class="p">)</span><span class="o">.</span><span class="n">get_key</span><span class="p">(</span><span class="s1">'steve'</span><span class="p">)</span><span class="o">.</span><span class="n">get_contents_as_string</span><span class="p">()</span> <span class="o">==</span> <span class="s1">'is awesome'</span> <span class="n">mock</span><span class="o">.</span><span class="n">stop</span><span class="p">()</span> </pre></div> </div> </div> <div class="section" id="stand-alone-server-mode"> <h3>Stand-alone server mode<a class="headerlink" href="#stand-alone-server-mode" title="Permalink to this headline">¶</a></h3> <p>Moto comes with a stand-alone server allowing you to mock out an AWS HTTP endpoint. It is very useful to test even if you don’t use Python.</p> <div class="highlight-bash"><div class="highlight"><pre><span></span>$ moto_server ec2 -p3000 * Running on http://127.0.0.1:3000/ </pre></div> </div> <p>This method isn’t encouraged if you’re using <code class="docutils literal"><span class="pre">boto</span></code>, best is to use decorator method.</p> </div> </div> </div> </div> <div class="articleComments"> </div> </div> <footer> <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation"> <a href="index.html" class="btn btn-neutral" title="Moto: A Mock library for boto" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left"></span> Previous</a> </div> <hr/> <div role="contentinfo"> <p> © Copyright 2015, Steve Pulec. </p> </div> Built with <a href="http://sphinx-doc.org/">Sphinx</a> using a <a href="https://github.com/snide/sphinx_rtd_theme">theme</a> provided by <a href="https://readthedocs.org">Read the Docs</a>. </footer> </div> </div> </section> </div> <script type="text/javascript"> var DOCUMENTATION_OPTIONS = { URL_ROOT:'./', VERSION:'0.4.10', COLLAPSE_INDEX:false, FILE_SUFFIX:'.html', HAS_SOURCE: true, SOURCELINK_SUFFIX: '.txt' }; </script> <script type="text/javascript" src="_static/jquery.js"></script> <script type="text/javascript" src="_static/underscore.js"></script> <script type="text/javascript" src="_static/doctools.js"></script> <script type="text/javascript" src="_static/js/theme.js"></script> <script type="text/javascript"> jQuery(function () { SphinxRtdTheme.StickyNav.enable(); }); </script> </body> </html>