public void An_unsuccessful_invocation_calls_OnBefore__OnFail_and_OnAfter_respectively()
{
var testing = new TInterceptor();
invocation.FailsWith(new Exception());
Assert.Throws <Exception>(() => invocation.Intercept(testing));
Assert.IsTrue((bool)invocation.Context["before"]);
Assert.IsNull(invocation.Context["invocation"]);
Assert.IsNull(invocation.Context["success"]);
Assert.IsTrue((bool)invocation.Context["fail"]);
Assert.IsTrue((bool)invocation.Context["after"]);
}
public void Decorates_an_invocation_with_a_variable_of_given_type_that_is_created_OnBefore()
{
var testing = builder.Build(
before: () => "test string",
success: actual => Assert.AreEqual("test string", actual),
fail: actual => Assert.AreEqual("test string", actual),
after: actual => Assert.AreEqual("test string", actual)
);
invocation.Intercept(testing);
invocation.FailsWith(new Exception());
Assert.Throws <Exception>(() => invocation.Intercept(testing));
}
public void Before_success_fail_actions_can_be_defined_by_delegates()
{
invocation.Context.Value = "begin";
var testing = builder.Build(
before: () => invocation.Context.Value += " - before",
success: () => invocation.Context.Value += " - success",
fail: () => invocation.Context.Value += " - fail",
after: () => invocation.Context.Value += " - after"
);
invocation.Intercept(testing);
Assert.AreEqual("begin - before - success - after", invocation.Context.Value);
invocation.Context.Value = "begin";
invocation.FailsWith(new Exception());
Assert.Throws <Exception>(() => invocation.Intercept(testing));
Assert.AreEqual("begin - before - fail - after", invocation.Context.Value);
}
public void When_invocation_fails_all_interceptors_work_in_the_reverse_order__since_first_wraps_second()
{
var interceptor = new ChainInterceptor <Context>();
interceptor.Add(BuildRoutine.Interceptor <Context>().Do()
.Before(ctx => ctx.Value += " - before1")
.Fail(ctx => ctx.Value += " - fail1")
.After(ctx => ctx.Value += " - after1"));
interceptor.Add(BuildRoutine.Interceptor <Context>().Do()
.Before(ctx => ctx.Value += " - before2")
.Fail(ctx => ctx.Value += " - fail2")
.After(ctx => ctx.Value += " - after2"));
var testing = interceptor;
invocation.Context.Value = "begin";
invocation.FailsWith(new Exception());
Assert.Throws <Exception>(() => invocation.Intercept(testing));
Assert.AreEqual("begin - before1 - before2 - fail2 - after2 - fail1 - after1", invocation.Context.Value);
Assert.AreEqual(1, invocation.Count);
}
