public void TripWillTransitionToOpen()
{
// Fixture setup
var fixture = new WcfFixture();
var sut = fixture.CreateAnonymous<CircuitBreaker>();
// Exercise system
fixture.Do((Exception e) => sut.Trip(e));
// Verify outcome
Assert.IsAssignableFrom<OpenCircuitState>(sut.State);
// Teardown
}
public void TripWillTransitionToOpen()
{
// Fixture setup
var fixture = new WcfFixture();
var sut = fixture.CreateAnonymous <CircuitBreaker>();
// Exercise system
fixture.Do((Exception e) => sut.Trip(e));
// Verify outcome
Assert.IsAssignableFrom <OpenCircuitState>(sut.State);
// Teardown
}
public void DeleteProductWillTripBreakerWhenAgentThrows()
{
// Fixture setup
var fixture = new WcfFixture();
var e = fixture.CreateAnonymous<TimeoutException>();
var breakerMock = fixture.Freeze<Mock<ICircuitBreaker>>();
fixture.Freeze<Mock<IProductManagementAgent>>().Setup(a => a.DeleteProduct(It.IsAny<int>())).Throws(e);
var sut = fixture.CreateAnonymous<CircuitBreakerProductManagementAgent>();
// Exercise system
try { fixture.Do((int id) => sut.DeleteProduct(id)); }
// Verify outcome
catch (TimeoutException) { }
finally { breakerMock.Verify(b => b.Trip(e)); }
// Teardown
}
public void DeleteProductWillOrchestrateBreakerCorrectly()
{
// Fixture setup
var fixture = new WcfFixture();
var spy = new List<int>();
var breakerStub = fixture.Freeze<Mock<ICircuitBreaker>>();
breakerStub.Setup(cb => cb.Guard()).Callback(() => spy.Add(1));
fixture.Freeze<Mock<IProductManagementAgent>>().Setup(a => a.DeleteProduct(It.IsAny<int>())).Callback(() => spy.Add(2));
breakerStub.Setup(b => b.Succeed()).Callback(() => spy.Add(3));
var sut = fixture.CreateAnonymous<CircuitBreakerProductManagementAgent>();
// Exercise system
fixture.Do((int id) => sut.DeleteProduct(id));
// Verify outcome
Assert.True(Enumerable.Range(1, 3).SequenceEqual(spy));
// Teardown
}
public void DeleteProductWillRethrow()
{
// Fixture setup
var fixture = new WcfFixture();
var expectedException = fixture.CreateAnonymous <InvalidOperationException>();
fixture.Freeze <Mock <IProductManagementAgent> >().Setup(a => a.DeleteProduct(It.IsAny <int>())).Throws(expectedException);
var verified = false;
var sut = fixture.CreateAnonymous <CircuitBreakerProductManagementAgent>();
// Exercise system
try { fixture.Do((int id) => sut.DeleteProduct(id)); }
// Verify outcome
catch (InvalidOperationException e) { verified = e == expectedException; }
finally { Assert.True(verified); }
// Teardown
}
public void DeleteProductWillTripBreakerWhenAgentThrows()
{
// Fixture setup
var fixture = new WcfFixture();
var e = fixture.CreateAnonymous <TimeoutException>();
var breakerMock = fixture.Freeze <Mock <ICircuitBreaker> >();
fixture.Freeze <Mock <IProductManagementAgent> >().Setup(a => a.DeleteProduct(It.IsAny <int>())).Throws(e);
var sut = fixture.CreateAnonymous <CircuitBreakerProductManagementAgent>();
// Exercise system
try { fixture.Do((int id) => sut.DeleteProduct(id)); }
// Verify outcome
catch (TimeoutException) { }
finally { breakerMock.Verify(b => b.Trip(e)); }
// Teardown
}
public void DeleteProductWillOrchestrateBreakerCorrectly()
{
// Fixture setup
var fixture = new WcfFixture();
var spy = new List <int>();
var breakerStub = fixture.Freeze <Mock <ICircuitBreaker> >();
breakerStub.Setup(cb => cb.Guard()).Callback(() => spy.Add(1));
fixture.Freeze <Mock <IProductManagementAgent> >().Setup(a => a.DeleteProduct(It.IsAny <int>())).Callback(() => spy.Add(2));
breakerStub.Setup(b => b.Succeed()).Callback(() => spy.Add(3));
var sut = fixture.CreateAnonymous <CircuitBreakerProductManagementAgent>();
// Exercise system
fixture.Do((int id) => sut.DeleteProduct(id));
// Verify outcome
Assert.True(Enumerable.Range(1, 3).SequenceEqual(spy));
// Teardown
}
public void DeleteProductWillRethrow()
{
// Fixture setup
var fixture = new WcfFixture();
var expectedException = fixture.CreateAnonymous<InvalidOperationException>();
fixture.Freeze<Mock<IProductManagementAgent>>().Setup(a => a.DeleteProduct(It.IsAny<int>())).Throws(expectedException);
var verified = false;
var sut = fixture.CreateAnonymous<CircuitBreakerProductManagementAgent>();
// Exercise system
try { fixture.Do((int id) => sut.DeleteProduct(id)); }
// Verify outcome
catch (InvalidOperationException e) { verified = e == expectedException; }
finally { Assert.True(verified); }
// Teardown
}