public void Set_StrategyIgnore_Equal()
{
var act = new Student
{
Name = "StudentName",
Age = 1,
Courses = new[]
{
new Course
{
Name = "CourseName"
}
}
};
var exp = new Student
{
Name = "StudentName1",
Age = 1,
Courses = new[]
{
new Course
{
Name = "CourseName1"
}
}
};
var actual = act.GetDistinctions(exp, propName => propName == "Name");
var expected = Distinctions.Create(new Distinction("Courses[0].Name", "CourseName", "CourseName1"));
CollectionAssert.AreEquivalent(expected, actual);
}
public void DisplayCustomErrorMsg()
{
var actual = new Student
{
Name = "Alex",
Age = 20,
Vehicle = new Vehicle
{
Model = "Audi"
},
Courses = new[]
{
new Course
{
Name = "Math",
Duration = TimeSpan.FromHours(4)
},
new Course
{
Name = "Liter",
Duration = TimeSpan.FromHours(4)
}
}
};
var expected = new Student
{
Name = "Bob",
Age = 20,
Vehicle = new Vehicle
{
Model = "Opel"
},
Courses = new[]
{
new Course
{
Name = "Math",
Duration = TimeSpan.FromHours(3)
},
new Course
{
Name = "Literature",
Duration = TimeSpan.FromHours(4)
}
}
};
var skip = new[] { "Vehicle", "Name", "Courses[1].Name" };
var result = expected.GetDistinctions(actual,
str => str.Set(x => x.Courses[0].Duration, (act, exp) => act > TimeSpan.FromHours(3),
new Display {
Expected = "Expected that Duration should be more that 3 hours"
}), skip);
var expectedDistinctionsCollection = Distinctions.Create(new Distinction("Courses[0].Duration",
"Expected that Duration should be more that 3 hours",
"04:00:00"));
CollectionAssert.AreEquivalent(result, expectedDistinctionsCollection);
}
public void CheckWithCustomRule()
{
var actual = new Student
{
Name = "Alex",
Age = 20,
Vehicle = new Vehicle
{
Model = "Audi"
},
Courses = new[]
{
new Course
{
Name = "Math",
Duration = TimeSpan.FromHours(4)
},
new Course
{
Name = "Math",
Duration = TimeSpan.FromHours(5)
}
}
};
var expected = new Student
{
Name = "Alex",
Age = 20,
Vehicle = new Vehicle
{
Model = "Audi"
},
Courses = new[]
{
new Course
{
Name = "Math",
Duration = TimeSpan.FromHours(3)
},
new Course
{
Name = "Fake",
Duration = TimeSpan.FromHours(4)
}
}
};
var newRule = new Comparator.Comparator();
newRule.RuleForReferenceTypes.Add(new CourseRule());
var result = ComparatorExtension.GetDistinctions(expected, actual, newRule);
var expectedDistinctionsCollection =
Distinctions.Create(new Distinction("Courses[1]", "Fake", "Math"));
CollectionAssert.AreEquivalent(result, expectedDistinctionsCollection);
}
public Distinctions Compare <T1>(T1 expected, T1 actual, string propertyName)
{
var a = (T)(object)expected;
var b = (T)(object)actual;
return(CompareFunc.Compile()(a, b)
? Distinctions.None()
: Distinctions.Create(new[]
{
_display.GetDistinction(a, b, propertyName,
BodyExpression.Get(CompareFunc).ToString())
}));
}
public Distinctions Compare <T>(T expected, T actual, string propertyName)
{
if (expected != null && actual == null || expected == null && actual != null)
{
return(Distinctions.Create(new Distinction(typeof(T).Name, expected, actual)));
}
var diff = new Distinctions();
if (ReferenceEquals(expected, actual))
{
return(diff);
}
var type = expected.GetType();
foreach (var mi in type.GetMembers(BindingFlags.Public | BindingFlags.Instance).Where(x =>
x.MemberType == MemberTypes.Property || x.MemberType == MemberTypes.Field))
{
var name = mi.Name;
var actualPropertyPath = MemberPathBuilder.BuildMemberPath(propertyName, mi);
if (Ignore(actualPropertyPath))
{
continue;
}
object firstValue = null;
object secondValue = null;
switch (mi.MemberType)
{
case MemberTypes.Field:
firstValue = type.GetField(name).GetValue(expected);
secondValue = type.GetField(name).GetValue(actual);
break;
case MemberTypes.Property:
firstValue = type.GetProperty(name).GetValue(expected);
secondValue = type.GetProperty(name).GetValue(actual);
break;
}
var diffRes = GetDistinctions(actualPropertyPath, firstValue, secondValue);
if (diffRes.IsNotEmpty())
{
diff.AddRange(diffRes);
}
}
return(diff);
}
public override Distinctions Compare <T>(T expected, T actual, string propertyName)
{
var listA = ((IEnumerable)expected).Cast <dynamic>().ToList();
var listB = ((IEnumerable)actual).Cast <dynamic>().ToList();
if (listA.Count != listB.Count)
{
return(Distinctions.Create(new Distinction(
$"Property \"{propertyName}\": Collection has different length",
$"{listA.Count}",
$"{listB.Count}")));
}
return(Enumerable.Range(0, listA.Count).Aggregate(Distinctions.Create(),
(dc, i) => dc.AddRange(
Comparator.GetDistinctions($"{propertyName}[{i}]", listA[i], listB[i]))));
}
public void DictionaryVerifications()
{
var exp = new Library
{
Books = new Dictionary <string, Book>
{
["hobbit"] = new Book {
Pages = 1000, Text = "hobbit Text"
},
["murder in orient express"] = new Book {
Pages = 500, Text = "murder in orient express Text"
},
["Shantaram"] = new Book {
Pages = 500, Text = "Shantaram Text"
}
}
};
var act = new Library
{
Books = new Dictionary <string, Book>
{
["hobbit"] = new Book {
Pages = 1, Text = "hobbit Text"
},
["murder in orient express"] = new Book {
Pages = 500, Text = "murder in orient express Text1"
},
["Shantaram"] = new Book {
Pages = 500, Text = "Shantaram Text"
}
}
};
var result = exp.GetDistinctions(act);
var expectedDistinctionsCollection = Distinctions.Create(new[]
{
new Distinction("Books[hobbit].Pages", 1000, 1),
new Distinction(
"Books[murder in orient express].Text", "murder in orient express Text",
"murder in orient express Text1")
});
CollectionAssert.AreEquivalent(result, expectedDistinctionsCollection);
}
public Distinctions GetDistinctions(string propertyName, dynamic expected, dynamic actual)
{
if (Strategies.IsNotEmpty() && Strategies.Any(x => x.Key == propertyName))
{
return(Strategies[propertyName].Compare(expected, actual, propertyName));
}
if (expected == null && actual != null)
{
return(Distinctions.Create(propertyName, "null", actual));
}
if (expected != null && actual == null)
{
return(Distinctions.Create(propertyName, expected, "null"));
}
return(expected == null
? Distinctions.None()
: (Distinctions)GetDifference(expected, actual, propertyName));
}
public Distinctions CompareDictionary <TKey, TValue>(IDictionary <TKey, TValue> expected,
IDictionary <TKey, TValue> actual, string propertyName)
{
var diff = new Distinctions();
if (expected.Count != actual.Count)
{
return(Distinctions.Create("Dictionary has different length", expected.Count, actual.Count));
}
foreach (var kvp in expected)
{
if (!actual.TryGetValue(kvp.Key, out var secondValue))
{
diff.Add(new Distinction(kvp.Key.ToString(), "Should be", "Does not exist"));
}
var diffRes = Comparator.Compare(kvp.Value, secondValue, $"{propertyName}[{kvp.Key}]");
diff.AddRange(diffRes);
}
return(diff);
}
public void Set_Strategy_For_Collection_Ref_Type_NegativeTest()
{
const string data = "actual";
var act = new ClassA
{
One = "f",
Two = 5,
ArrayThird = new[] { "sss", "ggg" },
InnerClass = new[] { new SomeClass {
Foo = data
}, new SomeClass {
Foo = data
} }
};
var exp = new ClassA
{
One = "f",
Two = 5,
ArrayThird = new[] { "error", "error1" },
InnerClass = new[] { new SomeClass {
Foo = "some"
}, new SomeClass {
Foo = "someFail"
} }
};
var res = act.GetDistinctions(exp, str => str.Set(x => x.InnerClass[0].Foo,
(s, s1) => s == data));
var expected = Distinctions.Create(new[]
{
new Distinction("ArrayThird[0]", "sss", "error"), new Distinction("ArrayThird[1]", "ggg", "error1"),
new Distinction("InnerClass[1].Foo", "actual", "someFail")
});
CollectionAssert.AreEquivalent(res, expected);
}