I am fairly new to unit testing in C# and learning to use Moq. Below is the class that I am trying to test.
class MyClass
{
SomeClass someClass;
public MyClass(SomeClass someClass)
{
this.someClass = someClass;
}
public void MyMethod(string method)
{
method = "test"
someClass.DoSomething(method);
}
}
class Someclass
{
public DoSomething(string method)
{
// do something...
}
}
Below is my TestClass:
class MyClassTest
{
[TestMethod()]
public void MyMethodTest()
{
string action="test";
Mock<SomeClass> mockSomeClass = new Mock<SomeClass>();
mockSomeClass.SetUp(a => a.DoSomething(action));
MyClass myClass = new MyClass(mockSomeClass.Object);
myClass.MyMethod(action);
mockSomeClass.Verify(v => v.DoSomething(It.IsAny<string>()));
}
}
I get the following exception:
Expected invocation on the mock at least once, but was never performed
No setups configured.
No invocations performed..
I just want to verify if the method "MyMethod" is being called or not. Am I missing something?
Best Answer
You're checking the wrong method. Moq requires that you Setup (and then optionally Verify) the method in the dependency class.
You should be doing something more like this:
In other words, you are verifying that calling
MyClass#MyMethod
, your class will definitely callSomeClass#DoSomething
once in that process. Note that you don't need theTimes
argument; I was just demonstrating its value.