public void ShouldHandleNestedNamespaces()
{
List<Type> typesInZoo = GetTypesIn(AssemblyDll);
var liskovSubstitutionPrinciple = new LiskovSubstitutionPrinciple() { EnglishGrammar = new EnglishGrammar()};
var birdClass = typesInZoo.Find(t => t.Name.Equals("Bird"));
string validationPhrase = liskovSubstitutionPrinciple.Validate(birdClass);
Assert.AreEqual("It looks like a Bird and behaves like an Aves.", validationPhrase);
}
public static void PrincipleDemo()
{
var lsp = new LiskovSubstitutionPrinciple();
lsp.OverloadDemo();
var ocp = new OpenClosedPrinciple();
ocp.MockSell();
ocp.MockOffSell();
}
public void ShouldReturnMeaninglessLiskovMessageIfNoBaseTypeOrTypeIsObject()
{
List<Type> typesInZoo = GetTypesIn(AssemblyDll);
var liskovSubstitutionPrinciple = new LiskovSubstitutionPrinciple() {EnglishGrammar = new EnglishGrammar()};
var duckType = typesInZoo.Find(t => t.Name.Equals("Object"));
string validationPhrase = liskovSubstitutionPrinciple.Validate(duckType);
var animal = typesInZoo.Find(t => t.Name.Equals("Animal"));
validationPhrase = liskovSubstitutionPrinciple.Validate(animal);
Assert.IsTrue(validationPhrase.Contains("It's pointless to check for Liskov here."));
}
public void ShouldHandleNestedNamespaces()
{
List <Type> typesInZoo = GetTypesIn(AssemblyDll);
var liskovSubstitutionPrinciple = new LiskovSubstitutionPrinciple()
{
EnglishGrammar = new EnglishGrammar()
};
var birdClass = typesInZoo.Find(t => t.Name.Equals("Bird"));
string validationPhrase = liskovSubstitutionPrinciple.Validate(birdClass);
Assert.AreEqual("It looks like a Bird and behaves like an Aves.", validationPhrase);
}
// Lsikov substituition Principle Example
public static void LSP()
{
LiskovSubstitutionPrinciple.Rectangle rc = new LiskovSubstitutionPrinciple.Rectangle(2, 3);
WriteLine($"{rc} has area {LiskovSubstitutionPrinciple.Area(rc)}");
LiskovSubstitutionPrinciple.Square sq = new LiskovSubstitutionPrinciple.Square();
sq.Width = 4;
WriteLine($"{sq} has area {LiskovSubstitutionPrinciple.Area(sq)}");
//Cause error if setters aren't override
LiskovSubstitutionPrinciple.Rectangle sq2 = new LiskovSubstitutionPrinciple.Square();
sq.Width = 4;
WriteLine($"{sq2} has area {LiskovSubstitutionPrinciple.Area(sq2)}");
}
public void ShouldReturnMeaninglessLiskovMessageIfNoBaseTypeOrTypeIsObject()
{
List <Type> typesInZoo = GetTypesIn(AssemblyDll);
var liskovSubstitutionPrinciple = new LiskovSubstitutionPrinciple()
{
EnglishGrammar = new EnglishGrammar()
};
var duckType = typesInZoo.Find(t => t.Name.Equals("Object"));
string validationPhrase = liskovSubstitutionPrinciple.Validate(duckType);
var animal = typesInZoo.Find(t => t.Name.Equals("Animal"));
validationPhrase = liskovSubstitutionPrinciple.Validate(animal);
Assert.IsTrue(validationPhrase.Contains("It's pointless to check for Liskov here."));
}
public void ShouldGetLiskovValidationPhraseFromType()
{
List<Type> typesInZoo = GetTypesIn(AssemblyDll);
var liskovSubstitutionPrinciple = new LiskovSubstitutionPrinciple() {EnglishGrammar = new EnglishGrammar()};
var duckType = typesInZoo.Find(t => t.Name.Equals("Duck"));
string validationPhrase = liskovSubstitutionPrinciple.Validate(duckType);
Assert.AreEqual("It looks like a Duck and behaves like an Animal.", validationPhrase);
var merganserType = typesInZoo.Find(t => t.Name.Equals("MerganserDuck"));
validationPhrase = liskovSubstitutionPrinciple.Validate(merganserType);
Assert.AreEqual("It looks like a MerganserDuck and behaves like a TransistorRadio.", validationPhrase);
var automobile = typesInZoo.Find(t => t.Name.Equals("Automobile"));
validationPhrase = liskovSubstitutionPrinciple.Validate(automobile);
Assert.AreEqual("It looks like an Automobile and behaves like an Animal.", validationPhrase);
}
public void ShouldGetLiskovValidationPhraseFromType()
{
List <Type> typesInZoo = GetTypesIn(AssemblyDll);
var liskovSubstitutionPrinciple = new LiskovSubstitutionPrinciple()
{
EnglishGrammar = new EnglishGrammar()
};
var duckType = typesInZoo.Find(t => t.Name.Equals("Duck"));
string validationPhrase = liskovSubstitutionPrinciple.Validate(duckType);
Assert.AreEqual("It looks like a Duck and behaves like an Animal.", validationPhrase);
var merganserType = typesInZoo.Find(t => t.Name.Equals("MerganserDuck"));
validationPhrase = liskovSubstitutionPrinciple.Validate(merganserType);
Assert.AreEqual("It looks like a MerganserDuck and behaves like a TransistorRadio.", validationPhrase);
var automobile = typesInZoo.Find(t => t.Name.Equals("Automobile"));
validationPhrase = liskovSubstitutionPrinciple.Validate(automobile);
Assert.AreEqual("It looks like an Automobile and behaves like an Animal.", validationPhrase);
}
