public void GetValueReturnsNullWhenFirstUsed()
{
// Fixture setup
var dummyLease = new Mock<ILease>().Object;
var sut = new CacheLifetimeManager(dummyLease);
// Exercise system
var result = sut.GetValue();
// Verify outcome
Assert.Null(result);
// Teardown
}
public void GetValueReturnsNullWhenFirstUsed()
{
// Fixture setup
var dummyLease = new Mock <ILease>().Object;
var sut = new CacheLifetimeManager(dummyLease);
// Exercise system
var result = sut.GetValue();
// Verify outcome
Assert.Null(result);
// Teardown
}
public void DisposeRemovesValue()
{
// Fixture setup
var dummyLease = new Mock <ILease>().Object;
var sut = new CacheLifetimeManager(dummyLease);
sut.SetValue(new object());
// Exercise system
sut.Dispose();
// Verify outcome
var result = sut.GetValue();
Assert.Null(result);
// Teardown
}
public void GetValueReturnsCorrectResultWhenHoldingValue(bool isExpired)
{
// Fixture setup
var value = new object();
var expectedResult = isExpired ? null : value;
var leaseStub = new Mock<ILease>();
leaseStub.SetupGet(l => l.IsExpired).Returns(isExpired);
var sut = new CacheLifetimeManager(leaseStub.Object);
// Exercise system
sut.SetValue(value);
var result = sut.GetValue();
// Verify outcome
Assert.Equal(expectedResult, result);
// Teardown
}
public void RemoveValueRemovesValueWhenLeaseIsExpired()
{
// Fixture setup
var leaseStub = new Mock <ILease>();
leaseStub.SetupGet(l => l.IsExpired).Returns(true);
var sut = new CacheLifetimeManager(leaseStub.Object);
sut.SetValue(new object());
// Exercise system
sut.RemoveValue();
// Verify outcome
var result = sut.GetValue();
Assert.Null(result);
// Teardown
}
public void GetValueReturnsCorrectResultWhenHoldingValue(bool isExpired)
{
// Fixture setup
var value = new object();
var expectedResult = isExpired ? null : value;
var leaseStub = new Mock <ILease>();
leaseStub.SetupGet(l => l.IsExpired).Returns(isExpired);
var sut = new CacheLifetimeManager(leaseStub.Object);
// Exercise system
sut.SetValue(value);
var result = sut.GetValue();
// Verify outcome
Assert.Equal(expectedResult, result);
// Teardown
}
public void RemoveValueDoesNotRemoveValueWhenLeaseIsNotExpired()
{
// Fixture setup
var leaseStub = new Mock <ILease>();
leaseStub.SetupGet(l => l.IsExpired).Returns(false);
var expected = new object();
var sut = new CacheLifetimeManager(leaseStub.Object);
sut.SetValue(expected);
// Exercise system
sut.RemoveValue();
// Verify outcome
var result = sut.GetValue();
Assert.Equal(expected, result);
// Teardown
}
public void RemoveValueRemovesValueWhenLeaseIsExpired()
{
// Fixture setup
var leaseStub = new Mock<ILease>();
leaseStub.SetupGet(l => l.IsExpired).Returns(true);
var sut = new CacheLifetimeManager(leaseStub.Object);
sut.SetValue(new object());
// Exercise system
sut.RemoveValue();
// Verify outcome
var result = sut.GetValue();
Assert.Null(result);
// Teardown
}
public void DisposeRemovesValue()
{
// Fixture setup
var dummyLease = new Mock<ILease>().Object;
var sut = new CacheLifetimeManager(dummyLease);
sut.SetValue(new object());
// Exercise system
sut.Dispose();
// Verify outcome
var result = sut.GetValue();
Assert.Null(result);
// Teardown
}
public void RemoveValueDoesNotRemoveValueWhenLeaseIsNotExpired()
{
// Fixture setup
var leaseStub = new Mock<ILease>();
leaseStub.SetupGet(l => l.IsExpired).Returns(false);
var expected = new object();
var sut = new CacheLifetimeManager(leaseStub.Object);
sut.SetValue(expected);
// Exercise system
sut.RemoveValue();
// Verify outcome
var result = sut.GetValue();
Assert.Equal(expected, result);
// Teardown
}
