public void GuardWillThrowWhenStateIsOpen()
{
// Fixture setup
var fixture = new WcfFixture();
fixture.Inject<TimeSpan>(1.Minutes());
var sut = fixture.CreateAnonymous<CircuitBreaker>();
sut.PutInOpenState();
// Exercise system and verify outcome
Assert.Throws<InvalidOperationException>(() =>
sut.Guard());
// Teardown
}
public void GuardWillThrowWhenStateIsOpen()
{
// Fixture setup
var fixture = new WcfFixture();
fixture.Inject <TimeSpan>(1.Minutes());
var sut = fixture.CreateAnonymous <CircuitBreaker>();
sut.PutInOpenState();
// Exercise system and verify outcome
Assert.Throws <InvalidOperationException>(() =>
sut.Guard());
// Teardown
}
public void GuardWillNotThrowWhenStateIsHalfOpen()
{
// Fixture setup
var fixture = new WcfFixture();
fixture.Inject(1.Minutes());
var sut = fixture.CreateAnonymous <CircuitBreaker>();
sut.PutInHalfOpenState();
// Exercise system
sut.Guard();
// Verify outcome (no exception indicates success)
// Teardown
}
public void SucceedWilTransitionToClosedWhenStateIsHalfOpen()
{
// Fixture setup
var fixture = new WcfFixture();
fixture.Inject(1.Minutes());
var sut = fixture.CreateAnonymous <CircuitBreaker>();
sut.PutInHalfOpenState();
// Exercise system
sut.Succeed();
// Verify outcome
Assert.IsAssignableFrom <ClosedCircuitState>(sut.State);
// Teardown
}
public void TripWillTransitionToOpenWhenStateIsHalfOpen()
{
// Fixture setup
var fixture = new WcfFixture();
fixture.Inject(1.Minutes());
var sut = fixture.CreateAnonymous <CircuitBreaker>();
sut.PutInHalfOpenState();
// Exercise system
fixture.Do((Exception e) => sut.Trip(e));
// Verify outcome
Assert.IsAssignableFrom <OpenCircuitState>(sut.State);
// Teardown
}
public void GuardWillTransitionToHalfOpenWhenStateIsOpenAndTimeoutIsReached()
{
// Fixture setup
var fixture = new WcfFixture();
DateTime.Now.Freeze();
fixture.Inject(1.Minutes());
var sut = fixture.CreateAnonymous <CircuitBreaker>();
sut.PutInOpenState();
2.Minutes().Pass();
// Exercise system
sut.Guard();
// Verify outcome
Assert.IsAssignableFrom <HalfOpenCircuitState>(sut.State);
// Teardown
}
public void GuardWillTransitionToHalfOpenWhenStateIsOpenAndTimeoutIsReached()
{
// Fixture setup
var fixture = new WcfFixture();
DateTime.Now.Freeze();
fixture.Inject(1.Minutes());
var sut = fixture.CreateAnonymous<CircuitBreaker>();
sut.PutInOpenState();
2.Minutes().Pass();
// Exercise system
sut.Guard();
// Verify outcome
Assert.IsAssignableFrom<HalfOpenCircuitState>(sut.State);
// Teardown
}
public void SucceedWilTransitionToClosedWhenStateIsHalfOpen()
{
// Fixture setup
var fixture = new WcfFixture();
fixture.Inject(1.Minutes());
var sut = fixture.CreateAnonymous<CircuitBreaker>();
sut.PutInHalfOpenState();
// Exercise system
sut.Succeed();
// Verify outcome
Assert.IsAssignableFrom<ClosedCircuitState>(sut.State);
// Teardown
}
public void GuardWillNotThrowWhenStateIsHalfOpen()
{
// Fixture setup
var fixture = new WcfFixture();
fixture.Inject(1.Minutes());
var sut = fixture.CreateAnonymous<CircuitBreaker>();
sut.PutInHalfOpenState();
// Exercise system
sut.Guard();
// Verify outcome (no exception indicates success)
// Teardown
}
public void TripWillTransitionToOpenWhenStateIsHalfOpen()
{
// Fixture setup
var fixture = new WcfFixture();
fixture.Inject(1.Minutes());
var sut = fixture.CreateAnonymous<CircuitBreaker>();
sut.PutInHalfOpenState();
// Exercise system
fixture.Do((Exception e) => sut.Trip(e));
// Verify outcome
Assert.IsAssignableFrom<OpenCircuitState>(sut.State);
// Teardown
}