public void TemplateIsCorrect()
{
Action dummy = delegate { };
var sut = new TemplateMethodQuery(dummy.GetMethodInfo());
Assert.Equal(dummy.GetMethodInfo(), sut.Template);
}
public void SelectMethodsWithNullThrows()
{
Action dummy = delegate { };
var sut = new TemplateMethodQuery(dummy.GetMethodInfo());
Assert.Throws <ArgumentNullException>(() => sut.SelectMethods(null));
}
public void SutIsIMethodQuery()
{
Action dummy = delegate { };
var sut = new TemplateMethodQuery(dummy.GetMethodInfo());
Assert.IsAssignableFrom <IMethodQuery>(sut);
}
public void OwnerIsCorrect()
{
Action dummy = delegate { };
var owner = new object();
var sut = new TemplateMethodQuery(dummy.GetMethodInfo(), owner);
Assert.Equal(owner, sut.Owner);
}
public void SelectMethodsReturnsCorrectResultWhenInitializedWithNullOwner(Type templateType, string methodName, Type targetType, object[] arguments, object[] expected)
{
var templateMethod = templateType.GetMethod(methodName);
var sut = new TemplateMethodQuery(templateMethod);
var results = sut.SelectMethods(targetType)
.Select(m => m.Invoke(arguments))
.ToArray();
Assert.Equal(expected, results);
}
public void SelectMethodsReturnsCorrectResult(Type templateType, string methodName, Type targetType, object[] arguments, object[] expected)
{
var templateMethod = templateType.GetMethod(methodName);
var owner = Activator.CreateInstance(targetType);
var sut = new TemplateMethodQuery(templateMethod, owner);
var results = sut.SelectMethods(targetType)
.Select(m => m.Invoke(arguments))
.ToArray();
Assert.Equal(expected, results);
}
public void SelectMethodsDoesNotReturnIncorrectResult()
{
var templateMethod = typeof(TypeWithTemplateMethods).GetMethod("MethodWithFunc");
var sut = new TemplateMethodQuery(templateMethod);
var results = sut.SelectMethods(typeof(TypeWithMethods))
.Select(m => m.Invoke(new[] { new Func <string>(() => string.Empty) }));
var result = Assert.Single(results);
Assert.True((bool)result);
}
public void SelectMethodsReturnsInCorrectOrderWhenInitializedWithNullOwner(Type templateType, Type targetType, string methodName, object[] arguments)
{
var templateMethod = templateType.GetMethod(methodName);
var owner = Activator.CreateInstance(targetType);
var sut = new TemplateMethodQuery(templateMethod, owner);
var results = sut.SelectMethods(targetType)
.Select(m => m.Invoke(arguments))
.ToArray();
var expected = Enumerable.Range(0, results.Count()).Cast <object>().ToArray();
Assert.Equal(expected, results);
}
