topic Why are there no interfaces for the components? in ArcGIS API for Flex Questions https://community.esri.com/t5/arcgis-api-for-flex-questions/why-are-there-no-interfaces-for-the-components/m-p/387239#M9035 <HTML><HEAD></HEAD><BODY><SPAN>Hopefully this isn't too dumb of a question, but I am wondering why ESRI didn't use interfaces when defining the components?&nbsp; Something like IMap or ILayer ITiledLayer, etc.&nbsp; I want something like that b/c it makes those things easier to mock in my unit tests, while allow me to code to an interface.&nbsp; </SPAN><BR /><BR /><SPAN>Now, I realize I can still mock these classes, but I have to explicitly mock them.&nbsp; If we had interfaces, I could use ASMock's FlexUnit 4 test runner to implicitly mock.&nbsp; These saves me tons of time and makes my tests less brittle.</SPAN><BR /><BR /><SPAN>Again, I could be missing the boat here (wouldn't be the first time) but thought I'd ask the question.</SPAN><BR /><BR /><SPAN>Thanks,</SPAN><BR /><SPAN>Glenn</SPAN></BODY></HTML> Thu, 13 May 2010 17:14:44 GMT GlennGoodrich 2010-05-13T17:14:44Z Why are there no interfaces for the components? https://community.esri.com/t5/arcgis-api-for-flex-questions/why-are-there-no-interfaces-for-the-components/m-p/387239#M9035 <HTML><HEAD></HEAD><BODY><SPAN>Hopefully this isn't too dumb of a question, but I am wondering why ESRI didn't use interfaces when defining the components?&nbsp; Something like IMap or ILayer ITiledLayer, etc.&nbsp; I want something like that b/c it makes those things easier to mock in my unit tests, while allow me to code to an interface.&nbsp; </SPAN><BR /><BR /><SPAN>Now, I realize I can still mock these classes, but I have to explicitly mock them.&nbsp; If we had interfaces, I could use ASMock's FlexUnit 4 test runner to implicitly mock.&nbsp; These saves me tons of time and makes my tests less brittle.</SPAN><BR /><BR /><SPAN>Again, I could be missing the boat here (wouldn't be the first time) but thought I'd ask the question.</SPAN><BR /><BR /><SPAN>Thanks,</SPAN><BR /><SPAN>Glenn</SPAN></BODY></HTML> Thu, 13 May 2010 17:14:44 GMT https://community.esri.com/t5/arcgis-api-for-flex-questions/why-are-there-no-interfaces-for-the-components/m-p/387239#M9035 GlennGoodrich 2010-05-13T17:14:44Z