Run Tests in Parallel
On BrowserStack, you can run multiple PNUnit tests at the same time across various browser, device and OS combinations. This is “Parallel Testing”. Parallel Testing gives you the same benefits as running a multi-threaded application helps you reduce the run time of your test suite, resulting in faster build times and faster releases.
To run tests on multiple browsers in parallel with PNUnit on BrowserStack, modify the parallel.conf.js config file as shown below:
// App.config
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<configSections>
<sectionGroup name="capabilities">
<section name="parallel" type="System.Configuration.AppSettingsSection, System.Configuration, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
</sectionGroup>
<sectionGroup name="environments">
<section name="chrome" type="System.Configuration.AppSettingsSection, System.Configuration, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
<section name="firefox" type="System.Configuration.AppSettingsSection, System.Configuration, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
<section name="safari" type="System.Configuration.AppSettingsSection, System.Configuration, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
<section name="ie" type="System.Configuration.AppSettingsSection, System.Configuration, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
</sectionGroup>
</configSections>
<appSettings>
<add key="user" value="YOUR_USERNAME" />
<add key="key" value="YOUR_ACCESS_KEY" />
<add key="server" value="hub-cloud.browserstack.com" />
</appSettings>
<capabilities>
<parallel>
<add key="browserstack.debug" value="true" />
</parallel>
</capabilities>
<environments>
<chrome>
<add key="browser" value="chrome" />
</chrome>
<firefox>
<add key="browser" value="firefox" />
</firefox>
<safari>
<add key="browser" value="safari" />
</safari>
<ie>
<add key="browser" value="ie" />
</ie>
</environments>
</configuration>
// config.xml
<TestGroup>
<ParallelTests>
<ParallelTest>
<Name>PNUnit-BrowserStack</Name>
<Tests>
<TestConf>
<Name>parallel_test</Name>
<Assembly>PNUnit-BrowserStack\bin\Release\PNUnit-BrowserStack.dll</Assembly>
<TestToRun>BrowserStack.SingleTest.SearchGoogle</TestToRun>
<Machine>localhost:8080</Machine>
<TestParams>
<string>parallel</string>
<string>chrome</string>
</TestParams>
</TestConf>
</Tests>
</ParallelTest>
</ParallelTests>
</TestGroup>
Capabilities for each environment can be customised as explained earlier.
You can now run your tests in parallel on BrowserStack using the following command:
Run PNUnit agent start pnunit-agent.exe agent.conf
Build the solution in Visual Studio
Run test pnunit-launcher.exe config\parallel.config.xml
Note: Achieve your test coverage and build execution time goals by using our calculator to understand how many parallel sessions you need.
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