testing

问题 Sorry if the question is very elementary, I am still very new to Haskell. Lets say I have a function that can only work with two numbers that are in the golden ration (1.618), how do I define the types of myfun x y to take only golden ratio numbers. What happens if I invoke myfun without golden ratio numbers from within my program (a compile error?)? What happens if the call without golden ratio numbers is made at runtime via user input? 回答1: You might want an ADT that can only be constructed

问题 I can't understand how Cobertura cooperates with JUnit. As I understood cobertura modifies compiled byte code and inserts in this byte code its own commands. Ok. After that we run Junit framework and give it our tests to run. Could anyone explain at what points cobertura gets the information which of its commands were executed? 回答1: Cobertura uses ASM which is a general purpose bytecode manipulation and analysis framework. On every line of java code there are 3 lines added to the existing

问题 Where to test routes in ruby on rails? unit tests? functional tests? integration tests? Addition: To be exact, where to apply assertions described on guides and on api? 回答1: Routes should be done as part of integration tests. Integration tests are where you test the important work flows of your application - more specifically whether a URL is defined or not seems to be an important workflow. Your integration test would look like any normal integration test: # /tests/integration/routes_test.rb

问题 Xcode 9.1 Simulator 10.0 OSX 10.12.6 I would like to upload a new build of my sticker pack to iTunes Connect. But Product > Archive is grayed out. So I ran the Simulator and got ""Failed to set plugin placeholders for (name)." Only one answer anywhere in the whole world -- delete Derived Data Folder. I did and got same error message. BTW Under General in Xcode the Version is 1. The build is 1.4. Does the build number have to be changed somewhere else as well? 回答1: What worked for me, Go to

问题 My colleague have disabled dns caching in Android application. But we have to check whether we really disabled caching. Do you have any ideas how to check it? We used the next commands to disable it: System.setProperty("networkaddress.cache.ttl", "0"); Security.setProperty("networkaddress.cache.ttl", "0"); ps: this disabling is needed for automation tests. 回答1: Its working. I've tested it connecting to a servers url with a dynamic IP. Before it took 2 hours until it could resolve the changed

问题 This error happens when I try and run my Android Instrumentation tests on a new 4.4 device, when they have always worked in the past [echo] Running tests... [echo] Running tests ... [exec] INSTRUMENTATION_RESULT: shortMsg=java.lang.NoClassDefFoundError [exec] INSTRUMENTATION_RESULT: longMsg=java.lang.NoClassDefFoundError: org.mockito.internal.runners.RunnerImpl [exec] INSTRUMENTATION_CODE: 0 回答1: I posted that question to help others avoid wasting time stupidly like I have done! The problem

问题 So I have some unit tests that pass in Xcode 3.1 / Leopard. These use SenTestingKit in an iPhone app project and are built/run in a separate "Test" target. I just upgraded to Xcode 3.2 on Snow Leopard and the tests seem to run (I get logs in Console.app and see them passing), but Xcode beachballs and must be force quit'd after they are run. Console.app displays the following error from Xcode, which appears even if no test cases are included in the Test target: Xcode[1734] -

问题 Is there any comprehensive guides on testing rails apps. Im searching for guide that will tell me what should I test and how should I test it especially with Rspec. Lots of examples will be appreciated. 回答1: Check out Everyday Rails Testing with RSpec. Sumner does a great job of walking you through writing tests for an entire app. The Hartl book is also a great resource. 回答2: The RSpec Book Testing the rails app is part of development so I'd sugest to read Ruby on Rails Tutorial, Learn Rails

问题 We use UI Automation and Nunit to create tests UI tests for WPF application. We've created tests that work fine when you run them from a local machine. Those tests never run successfully on our build server (using TeamCity). Build always hang after opening application window. But if I am logged in (remote desktop), on our build server all UI Automation tests also run successfully. So I am guessing that it probably has something to do with running active windows session. Any ideas how to

问题 Trying to test that an event handler gets called on a clicked element with Jasmine. Have a "Pad" object that contains a DOM element "PadElement", which gets clicked. The event handler is a method on the Pad object: GRAPH.Pad = function(graphDiv, graph) { this.graph = graph; this.clickHandler = function(e) { console.log('padElement clickHandler called'); //this.graph.createVertex(e.clientX, e.clientY); }; this.padElement = GRAPH.padElement(graphDiv, this.clickHandler); } GRAPH.padElement =