unit-testing

问题 I am trying to use Google Test to test C code but I am encounter some problem related to write stub for system functions like: fopen,fclose,fread,fwrite, memcpy,memset,stat,...I don't known how to stub them correctly to cover all branchs in function that need to be tested. Example , I have a function, how to test it by stub fopen, fclose, fwrite, fread? Only Stub, not Mock. #include <stdio.h> #include <stdlib.h> int main(){ FILE *f; //initialize the arr1 with values int arr1[5]={1,2,3,4,5};

问题 I have a bunch of API calls that I would like to unit test. As far as I know, unit testing API calls doesn't involve actually making those API calls. As far as I know you would simulate responses of those API calls and then test on the DOM changes however I'm currently struggling to do this. I have the following code: App.js function App() { const [text, setText] = useState(""); function getApiData() { fetch('/api') .then(res => res.json()) .then((result) => { console.log(JSON.stringify

问题 I have a bunch of API calls that I would like to unit test. As far as I know, unit testing API calls doesn't involve actually making those API calls. As far as I know you would simulate responses of those API calls and then test on the DOM changes however I'm currently struggling to do this. I have the following code: App.js function App() { const [text, setText] = useState(""); function getApiData() { fetch('/api') .then(res => res.json()) .then((result) => { console.log(JSON.stringify

问题 I have a bunch of API calls that I would like to unit test. As far as I know, unit testing API calls doesn't involve actually making those API calls. As far as I know you would simulate responses of those API calls and then test on the DOM changes however I'm currently struggling to do this. I have the following code: App.js function App() { const [text, setText] = useState(""); function getApiData() { fetch('/api') .then(res => res.json()) .then((result) => { console.log(JSON.stringify

问题 I am trying to unit test a method that uses array map and I keep getting the following exception: java.lang.RuntimeException: Method put in android.util.ArrayMap not mocked. See http://g.co/androidstudio/not-mocked for details. code: ArrayMap<String, String> sampleMap =new ArrayMap<>(); for (SampleInfo info : details.getSampleList()) { sampleMap.put(info.getkey(),info.getName()); } I have tried: testOptions { unitTests.returnDefaultValues = true } This way the exception is avoided but the map

问题 I want to write unit test for my react app. The first unit test I wrote is as follow it('renders without crashing', () => { const div = document.getElementById('root'); ReactDOM.render(<Index />, div); }); However I got the error Invariant Violation: _registerComponent(...): Target container is not a DOM element. I have to say that the application I wrote actually has no such error, if I run it with npm start This error only exists when I test my program with unit test. I'm wondering how to

问题 I want to write unit test for my react app. The first unit test I wrote is as follow it('renders without crashing', () => { const div = document.getElementById('root'); ReactDOM.render(<Index />, div); }); However I got the error Invariant Violation: _registerComponent(...): Target container is not a DOM element. I have to say that the application I wrote actually has no such error, if I run it with npm start This error only exists when I test my program with unit test. I'm wondering how to

问题 TL;DR How can I patch or mock "any functions that are not being called/used directly" ? Sceneario I have a simple unit-test snippet as # utils/functions.py def get_user_agents(): # sends requests to a private network and pulls data return pulled_data # my_module/tasks.py def create_foo(): from utils.functions import get_user_agents value = get_user_agents() # do something with value return some_value # test.py class TestFooKlass(unittest.TestCase): def setUp(self): create_foo() def test_foo

问题 TL;DR How can I patch or mock "any functions that are not being called/used directly" ? Sceneario I have a simple unit-test snippet as # utils/functions.py def get_user_agents(): # sends requests to a private network and pulls data return pulled_data # my_module/tasks.py def create_foo(): from utils.functions import get_user_agents value = get_user_agents() # do something with value return some_value # test.py class TestFooKlass(unittest.TestCase): def setUp(self): create_foo() def test_foo

问题 I'm writing a unit test with QTest for a legacy code like: #include <QTimer> class MyObject: public QObject{ public: void foo(){ t1.start(500); } private: QTimer t1{this}; }; And want to mock a QTimer and then test if the QTimer::start(int) is properly called. I was trying several approaches. Dependency injection with template template<typename TIMER = QTimer> class MyObjecr: public QObject , but getting Template classes not supported by Q_OBJECT And LD_PRELOAD=libQTimerMock.so with a simple