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using System;
using NUnit.Framework;
using NUnit.Mocks;
namespace NUnit.Tests.Mocks
{
/// <summary>
/// Summary description for DynamicMockTests.
/// </summary>
[TestFixture]
public class DynamicMockTests
{
private DynamicMock mock;
private IStuff instance;
[SetUp]
public void CreateMock()
{
mock = new DynamicMock( typeof( IStuff ) );
instance = (IStuff)mock.MockInstance;
}
[Test]
public void MockHasDefaultName()
{
Assert.AreEqual( "MockIStuff", mock.Name );
}
[Test]
public void MockHasNonDefaultName()
{
DynamicMock mock2 = new DynamicMock( "MyMock", typeof( IStuff ) );
Assert.AreEqual( "MyMock", mock2.Name );
}
[Test]
public void CallMethod()
{
instance.DoSomething();
mock.Verify();
}
[Test]
public void CallMethodWithArgs()
{
instance.DoSomething( "hello" );
mock.Verify();
}
[Test]
public void ExpectedMethod()
{
mock.Expect( "DoSomething" );
instance.DoSomething();
mock.Verify();
}
[Test, ExpectedException( typeof(AssertionException) )]
public void ExpectedMethodNotCalled()
{
mock.Expect( "DoSomething" );
mock.Verify();
}
[Test]
public void MethodWithReturnValue()
{
mock.SetReturnValue( "GetInt", 5 );
Assert.AreEqual( 5, instance.GetInt() );
mock.Verify();
}
[Test]
public void DefaultReturnValues()
{
Assert.AreEqual( 0, instance.GetInt(), "int" );
Assert.AreEqual( 0, instance.GetSingle(), "float" );
Assert.AreEqual( 0, instance.GetDouble(), "double" );
Assert.AreEqual( 0, instance.GetDecimal(), "decimal" );
Assert.AreEqual( '?', instance.GetChar(), "char" );
mock.Verify();
}
[Test, ExpectedException( typeof(InvalidCastException) )]
public void WrongReturnType()
{
mock.SetReturnValue( "GetInt", "hello" );
instance.GetInt();
mock.Verify();
}
[Test]
public void OverrideMethodOnDynamicMock()
{
DynamicMock derivedMock = new DerivedMock();
IStuff derivedInstance = (IStuff)derivedMock.MockInstance;
Assert.AreEqual( 17, derivedInstance.Add( 5, 12 ) );
derivedMock.Verify();
}
[Test, ExpectedException( typeof(ArgumentException) )]
public void CreateMockForNonMBRClassFails()
{
DynamicMock classMock = new DynamicMock( typeof( NonMBRClass ) );
NonMBRClass classInstance = (NonMBRClass)classMock.MockInstance;
}
[Test]
public void CreateMockForMBRClass()
{
DynamicMock classMock = new DynamicMock( typeof( MBRClass ) );
MBRClass classInstance = (MBRClass)classMock.MockInstance;
classMock.Expect( "SomeMethod" );
classMock.ExpectAndReturn( "AnotherMethod", "Hello World", 5, "hello" );
classInstance.SomeMethod();
Assert.AreEqual( "Hello World", classInstance.AnotherMethod( 5, "hello" ) );
classMock.Verify();
}
#region Test Interfaces and Classes
interface IStuff
{
void DoSomething();
void DoSomething( string greeting );
int GetInt();
float GetSingle();
double GetDouble();
decimal GetDecimal();
char GetChar();
int Add( int a, int b );
}
class DerivedMock : DynamicMock
{
public DerivedMock() : base( "Derived", typeof( IStuff ) ) { }
public override object Call( string methodName, params object[] args )
{
switch( methodName )
{
case "Add":
return (int)args[0] + (int)args[1];
default:
return base.Call( methodName, args );
}
}
}
class NonMBRClass
{
}
class MBRClass : MarshalByRefObject
{
public void SomeMethod(){ }
public string AnotherMethod( int a, string b ) { return b + a.ToString(); }
}
#endregion
}
}
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