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Visual Studio Load and Web Performance Testing

6 posts · Mar 2012 – May 2016

What this trail covers

This thread tracks the evolution of web performance and load testing capabilities within Visual Studio. It covers improvements in recording and analyzing web tests, particularly for complex applications like SharePoint. Recent updates focus on enhancing the accuracy of recordings by filtering out extraneous requests and improving parameterization for dynamic site names. The goal is to provide developers with robust tools for testing web application performance and reliability. This post details the requirement for the Test Agent to be installed on the Test Controller box for remote load test runs using Visual Studio 11 Beta.

All Microsoft trails
  1. Multiple URL performance testing support for Azure Web ApplicationsThis post introduces support for testing multiple URLs within a single performance test run for Azure web applications using Visual Studio web test format. Previously, users had to create multiple test runs for each page. The update allows users to create web test files with multiple URLs targeting their Azure web application, select 'Visual Studio web test' in the Azure portal's performance test blade, upload the file, and then set user load and duration. The results view highlights failed URL requests. Existing tests are not impacted and default to the 'Manual' option.
  2. Performance and Diagnostic Tools in Visual Studio 2015This post introduces new diagnostic tools (Network Usage, Application Timeline) and integrates IntelliTrace into the Diagnostic Tools window for Visual Studio 2015. It expands platform support to Windows 7, Desktop apps, UWP, and Azure Web Apps. It also enables the CPU Usage tool to be run on production Azure Web Apps (Basic/Standard tiers). The menu structure for accessing profiler tools has been consolidated under the Debug menu.
  3. Using Selenium with Cloud-based Load TestingThis post introduces the integration of Selenium tests with Cloud-based Load Testing (CLT) in Visual Studio Online (VSO). It details how to author Selenium unit tests in Visual Studio using NuGet packages for Selenium WebDriver and PhantomJS, configure test settings to include PhantomJS as a deployment item, and run these tests locally. It then explains how to add a load test to the project and configure it to run on VSO by changing the test settings to 'Run Tests using Visual Studio Online'. The post also highlights the ability to view detailed reports of test execution, including transaction timings.
  4. Driving Unit Tests from Cloud Load TestThis post details how to drive unit tests from Visual Studio Cloud Load Test, enabling performance and capacity insights for services beyond web pages. It explains how to create a Load Test project, add unit tests to the load test for specific scenarios, and run these tests from Visual Studio Online. A key enhancement is the integration with Application Insights (new with Visual Studio Update 3) to collect performance counters and production data, addressing the challenge of accessing machines running the application under test in cloud-based load testing solutions.
  5. Content Index for Visual Studio Web Tests and Load TestsThis post serves as a curated index of resources for Visual Studio web performance and load testing. It consolidates links to various blog posts, MSDN documentation, CodePlex plugins, webinars, and training materials, organized by Visual Studio version (VS 2010, VS 2012, VS 2012 Update 1) and specific testing scenarios (e.g., SharePoint applications, WCF services). It also highlights new features and debugging techniques for web tests and load tests.
  7. March CTP (“CTP4”) of Visual Studio Update 2 now availableThis post announces the March CTP (CTP4) of Visual Studio Update 2, highlighting new features such as HTML client and SharePoint support for LightSwitch, inline editing of test steps and results in browser-based test management, SharePoint 2013 and User Profile diagnostics support with IntelliTrace, customizable columns in the Team Foundation Kanban Board, and servicing in High Availability SQL Environments. It also notes that Team Foundation Server 2012 with Update 2 CTP 4 is 'go-live' and lists previously included ALM features from earlier CTPs.
  8. Testing SharePoint 2010 with Visual Studio 2012 Update 1This post details how Visual Studio 2012 Update 1 CTP 3 enhances web testing for SharePoint 2010. It addresses the long-standing request for improved handling of specific SharePoint page requests (blank.htm, ScriptResx.ashx, commandui.ashx) by introducing a SharePoint-specific recording pattern that filters these out. It also improves parameterization by recognizing Site Names and allows for data-driven testing via CSV files. The post guides users on installation prerequisites and the process of creating and recording web tests.
  9. Getting Started with Load Testing in Visual Studio 2012This post details the process of setting up and running load tests in Visual Studio 2012. It explains how to create a 'Web Performance and Load Test Project', add load tests, and addresses the confusion around running these tests via the Test Explorer. A key part of the post is the solution to the 'Could not connect to load test results database' error, which involves executing the 'loadtestresultsrepository.sql' script and configuring the SQL Server connection. It also notes that performance counters for the System Under Test will be empty when testing against external sites like Microsoft.com.
  10. Visual Studio 11 Beta–Test Agent needs to be installed on Test Controller box for Load TestThis post addresses a specific configuration requirement for remote load testing in Visual Studio 11 Beta. It clarifies that for remote load test runs utilizing a Test Controller and Test Agent setup, the Test Agent must be installed on the same machine as the Test Controller to avoid the load test run being aborted with an error.
  11. Visual Studio 11 Beta: Test Controller Goes 64 Bit!!The Test Controller in Visual Studio 11 Beta now supports 64-bit operation, resolving the 2GB memory limitation of its 32-bit predecessor. This upgrade addresses 'Out of Memory' exceptions that previously caused load test run abortions, enabling larger-scale load tests and improved scalability.
  12. Visual Studio 11 Beta - Changes in Web Performance Test / Load Test WorkflowIntroduces changes in the workflow for creating Web Performance Tests and Load Tests in Visual Studio 11 Beta, including the introduction of separate project types for these tests.