public static void NoGenericCalls(
IHaveOneGenericParameter fake,
Exception exception)
{
"Given a fake"
.x(() => fake = A.Fake <IHaveOneGenericParameter>());
"And no calls made on this fake"
.x(() => { });
"When I assert that a call has happened on this fake"
.x(() => exception = Record.Exception(() => A.CallTo(() => fake.Bar <Generic <string> >(A <Generic <string> > .Ignored)).MustHaveHappened()));
"Then the assertion should fail"
.x(() => exception.Should().BeAnExceptionOfType <ExpectationException>());
"And the exception message should tell us that the call was not matched"
.x(() => exception.Message.Should().Be(@"
Assertion failed for the following call:
FakeItEasy.Specs.CallMatchingSpecs+IHaveOneGenericParameter.Bar`1[FakeItEasy.Specs.CallMatchingSpecs+Generic`1[System.String]](baz: <Ignored>)
Expected to find it at least once but no calls were made to the fake object.
"));
}
public static void GenericCalls(
IHaveOneGenericParameter fake,
Exception exception)
{
"establish"
.x(() => fake = A.Fake <IHaveOneGenericParameter>());
"when failing to match ordered generic calls"
.x(() =>
{
using (var scope = Fake.CreateScope())
{
fake.Bar(1);
fake.Bar(new Generic <bool>());
using (scope.OrderedAssertions())
{
A.CallTo(() => fake.Bar(A <Generic <bool> > .Ignored)).MustHaveHappened();
exception = Record.Exception(() => A.CallTo(() => fake.Bar(A <int> .Ignored)).MustHaveHappened());
}
}
});
"it should tell us that the call was not matched"
.x(() => exception.Message.Should().Be(
@"
Assertion failed for the following calls:
'FakeItEasy.Specs.OrderedCallMatchingSpecs+IHaveOneGenericParameter.Bar<FakeItEasy.Specs.OrderedCallMatchingSpecs+Generic<System.Boolean>>(<Ignored>)' repeated at least once
'FakeItEasy.Specs.OrderedCallMatchingSpecs+IHaveOneGenericParameter.Bar<System.Int32>(<Ignored>)' repeated at least once
The calls where found but not in the correct order among the calls:
1: FakeItEasy.Specs.OrderedCallMatchingSpecs+IHaveOneGenericParameter.Bar<System.Int32>(baz: 1)
2: FakeItEasy.Specs.OrderedCallMatchingSpecs+IHaveOneGenericParameter.Bar<FakeItEasy.Specs.OrderedCallMatchingSpecs+Generic<System.Boolean>>(baz: FakeItEasy.Specs.OrderedCallMatchingSpecs+Generic`1[System.Boolean])
"));
}
public static void GenericCallsSuccess(
IHaveOneGenericParameter fake,
ISequentialCallContext sequentialCallContext,
Exception exception)
{
"Given a Fake"
.x(() => fake = A.Fake <IHaveOneGenericParameter>());
"And a call on the Fake, passing argument of type int"
.x(() => fake.Bar(1));
"And a call on the Fake, passing argument of type Generic<bool>"
.x(() => fake.Bar(new Generic <bool>()));
"And a call-ordering context"
.x(c => sequentialCallContext = A.SequentialCallContext());
"When I expect the call with any argument of type int to have been made"
.x(() => A.CallTo(() => fake.Bar(A <int> .Ignored)).MustHaveHappened().InOrder(sequentialCallContext));
"And I expect the call with any argument of type Generic<bool> to have been made next"
.x(() => exception = Record.Exception(() => A.CallTo(() => fake.Bar(A <Generic <bool> > .Ignored)).MustHaveHappened().InOrder(sequentialCallContext)));
"Then the assertion should succeed"
.x(() => exception.Should().BeNull("because the assertion should have succeeded"));
}
public static void PassingNestedThatIsNotNullConstraintToAMethod(
IHaveOneGenericParameter fake, Exception exception)
{
"Given a fake"
.x(() => fake = A.Fake <IHaveOneGenericParameter>());
"When I try to configure a method of the fake with a That.IsNotNull constraint nested in an argument"
.x(() => exception = Record.Exception(() => A.CallTo(() => fake.Bar(new Dummy {
X = A <string> .That.IsNotNull()
})).DoesNothing()));
"Then it throws an invalid operation exception"
.x(() => exception.Should().BeAnExceptionOfType <InvalidOperationException>());
}
public static void PassingAStrictFakeToAMethod <T>(
Func <T> createFake, string fakeDescription, T fake, IHaveOneGenericParameter anotherFake, Exception exception)
{
$"Given a strict fake {fakeDescription}"
.x(() => fake = createFake());
"And another fake"
.x(() => anotherFake = A.Fake <IHaveOneGenericParameter>());
"When I assert that a call to the second fake must have happened with the first fake as an argument"
.x(() => exception = Record.Exception(() => A.CallTo(() => anotherFake.Bar(fake)).MustHaveHappened()));
"Then the call should be described in terms of the first fake"
.x(() => exception.Message.Should().Contain(
$"FakeItEasy.Specs.CallMatchingSpecs+IHaveOneGenericParameter.Bar`1[").And.Subject.Should().Contain($"](baz: {fakeDescription})"));
}
public static void PassingAnObjectWithABadToStringToAMethod(
ToStringThrows obj, IHaveOneGenericParameter fake, Exception exception)
{
$"Given an object with a ToString method which throws"
.x(() => obj = new ToStringThrows());
"And a fake"
.x(() => fake = A.Fake <IHaveOneGenericParameter>());
"When I assert that a call to the fake must have happened with the object as an argument"
.x(() => exception = Record.Exception(() => A.CallTo(() => fake.Bar(obj)).MustHaveHappened()));
"Then the call should be described in terms of the object"
.x(() => exception.Message.Should().Contain(
$"FakeItEasy.Specs.CallMatchingSpecs+IHaveOneGenericParameter.Bar`1[").And.Subject.Should().Contain($"](baz: {obj.GetType().ToString()})"));
}
public static void PassingAFakeWithABadToStringToAMethod <T>(
T fake, string fakeDescription, IHaveOneGenericParameter anotherFake, Exception exception)
{
$"Given a fake {fakeDescription} with a ToString method which throws"
.x(() => A.CallTo(() => fake.ToString()).Throws <Exception>());
"And another fake"
.x(() => anotherFake = A.Fake <IHaveOneGenericParameter>());
"When I assert that a call to the second fake must have happened with the first fake as an argument"
.x(() => exception = Record.Exception(() => A.CallTo(() => anotherFake.Bar(fake)).MustHaveHappened()));
"Then the call should be described in terms of the first fake"
.x(() => exception.Message.Should().Contain(
$"FakeItEasy.Specs.CallMatchingSpecs+IHaveOneGenericParameter.Bar<").And.Subject.Should().Contain($">({fakeDescription})"));
}
public static void NoGenericCalls(
IHaveOneGenericParameter fake,
Exception exception)
{
"establish"
.x(() => fake = A.Fake <IHaveOneGenericParameter>());
"when no generic calls"
.x(() => exception = Record.Exception(() => A.CallTo(() => fake.Bar <Generic <string> >(A <Generic <string> > .Ignored)).MustHaveHappened()));
"it should tell us that the call was not matched"
.x(() => exception.Message.Should().Be(
@"
Assertion failed for the following call:
FakeItEasy.Specs.CallMatchingSpecs+IHaveOneGenericParameter.Bar<FakeItEasy.Specs.CallMatchingSpecs+Generic<System.String>>(<Ignored>)
Expected to find it at least once but no calls were made to the fake object.
"));
}
public static void GenericCallsFailure(
IHaveOneGenericParameter fake,
ISequentialCallContext sequentialCallContext,
Exception exception)
{
"Given a Fake"
.x(() => fake = A.Fake <IHaveOneGenericParameter>());
"And a call on the Fake, passing argument of type int"
.x(() => fake.Bar(1));
"And a call on the Fake, passing argument of type Generic<bool>"
.x(() => fake.Bar(new Generic <bool>()));
"And a call-ordering context"
.x(c => sequentialCallContext = A.SequentialCallContext());
"When I expect the call with any argument of type Generic<bool> to have been made"
.x(() => A.CallTo(() => fake.Bar(A <Generic <bool> > .Ignored)).MustHaveHappened().InOrder(sequentialCallContext));
"And I expect the call with any argument of type int to have been made next"
.x(() => exception = Record.Exception(() => A.CallTo(() => fake.Bar(A <int> .Ignored)).MustHaveHappened().InOrder(sequentialCallContext)));
"Then the assertion should fail"
.x(() => exception.Should().BeAnExceptionOfType <ExpectationException>());
"And the error should tell us that the calls were not matched in order"
.x(() => exception.Message.Should().Be(
@"
Assertion failed for the following calls:
'FakeItEasy.Specs.OrderedCallMatchingSpecs+IHaveOneGenericParameter.Bar<FakeItEasy.Specs.OrderedCallMatchingSpecs+Generic<System.Boolean>>(<Ignored>)' repeated at least once
'FakeItEasy.Specs.OrderedCallMatchingSpecs+IHaveOneGenericParameter.Bar<System.Int32>(<Ignored>)' repeated at least once
The calls where found but not in the correct order among the calls:
1: FakeItEasy.Specs.OrderedCallMatchingSpecs+IHaveOneGenericParameter.Bar<System.Int32>(baz: 1)
2: FakeItEasy.Specs.OrderedCallMatchingSpecs+IHaveOneGenericParameter.Bar<FakeItEasy.Specs.OrderedCallMatchingSpecs+Generic<System.Boolean>>(baz: FakeItEasy.Specs.OrderedCallMatchingSpecs+Generic`1[System.Boolean])
"));
}
