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Page-load tests involve loading a specific web page and measuring the load performance (i.e. [https://wiki.mozilla.org/TestEngineering/Performance/Glossary#First_Non-Blank_Paint_.28fnbpaint.29 time-to-first-non-blank-paint], [https://wiki.mozilla.org/TestEngineering/Performance/Glossary#First_Contentful_Paint_.28fcp.29 first-contentful-paint] , [https://wiki.mozilla.org/TestEngineering/Performance/Glossary#DOM_Content_Flushed_.28dcf.29 dom-content-flushed], [https://wiki.mozilla.org/TestEngineering/Performance/Glossary#Time_To_First_Interactive_.28ttfi.29 ttfi]). | Page-load tests involve loading a specific web page and measuring the load performance (i.e. [https://wiki.mozilla.org/TestEngineering/Performance/Glossary#First_Non-Blank_Paint_.28fnbpaint.29 time-to-first-non-blank-paint], [https://wiki.mozilla.org/TestEngineering/Performance/Glossary#First_Contentful_Paint_.28fcp.29 first-contentful-paint] , [https://wiki.mozilla.org/TestEngineering/Performance/Glossary#DOM_Content_Flushed_.28dcf.29 dom-content-flushed], [https://wiki.mozilla.org/TestEngineering/Performance/Glossary#Time_To_First_Interactive_.28ttfi.29 ttfi]). | ||
For page-load tests by default, instead of using live web pages for performance testing, Raptor uses a tool called [[https://wiki.mozilla.org/ | For page-load tests by default, instead of using live web pages for performance testing, Raptor uses a tool called [[https://wiki.mozilla.org/TestEngineering/Performance/Raptor/Mitmproxy Mitmproxy]]. Mitmproxy allows us to record and playback test pages via a local Firefox proxy. The Mitmproxy recordings are stored on [https://github.com/mozilla/build-tooltool tooltool] and are automatically downloaded by Raptor when they are required for a test. Raptor uses mitmproxy via the [https://searchfox.org/mozilla-central/source/testing/mozbase/mozproxy mozbase mozproxy] package. | ||
There are two different types of Raptor page-load tests; warm page-load and cold page-load. | There are two different types of Raptor page-load tests; warm page-load and cold page-load. | ||