public void WhenGettingHandlerTypesWithoutParametersThenThrowsArgumentNullException()
{
// Assign
DefaultCommandHandlerTypeResolver resolver = this.CreateTestableService();
// Act & assert
ExceptionAssert.ThrowsArgumentNull(() => resolver.GetCommandHandlerTypes(null), "assembliesResolver");
}
public void WhenGettingHandlerTypesFromNullAssemblyThenReturnsEmptyCollection()
{
// Assign
DefaultCommandHandlerTypeResolver resolver = this.CreateTestableService();
this.assembliesResolver.Setup(r => r.GetAssemblies()).Returns(new Assembly[] { null });
// Act
var result = resolver.GetCommandHandlerTypes(this.assembliesResolver.Object);
// Assert
Assert.NotNull(result);
Assert.Equal(0, result.Count);
}
public void WhenGettingHandlerTypesThrowReflectionTypeLoadExceptionThenReturnsCollection()
{
// Assign
DefaultCommandHandlerTypeResolver resolver = this.CreateTestableService();
this.assembliesResolver.Setup(r => r.GetAssemblies()).Returns(new Assembly[] { new ThrowingReflectionTypeLoadExceptionAssembly() });
// Act
var result = resolver.GetCommandHandlerTypes(this.assembliesResolver.Object);
// Assert
Assert.NotNull(result);
Assert.Equal(1, result.Count);
Assert.Equal(typeof(SimpleCommandHandler), result.First());
}
