Exemplo n.º 1
0
        public static async Task AssertAsync(
            this IExpectExceptionScenarioBuilder builder,
            ScenarioRunner runner,
            CancellationToken ct = default)
        {
            var scenario = builder.Build();
            var result   = await runner.RunAsync(scenario, ct);

            switch (result)
            {
            case ScenarioExpectedExceptionButThrewNoException _:
                throw new XunitException("Expected exception but threw no exception");

            case ScenarioExpectedExceptionButThrewOtherException threw:
                throw new XunitException($"Expected exception but threw {threw.Actual}");

            case ScenarioExpectedExceptionButRecordedEvents recorded:
                var messageBuilder = new StringBuilder();
                messageBuilder.AppendLine("Expected exception but recorded these events:");
                foreach (var actual in recorded.Actual)
                {
                    messageBuilder.AppendLine($"\t{actual.Stream} - {actual.Event.GetType().Name} {JsonConvert.SerializeObject(actual.Event, Formatting.Indented)}");
                }
                throw new XunitException(messageBuilder.ToString());
            }
        }
Exemplo n.º 2
0
        public static async Task AssertAsync(
            this IExpectEventsScenarioBuilder builder,
            ScenarioRunner runner,
            CancellationToken ct = default)
        {
            var scenario = builder.Build();
            var result   = await runner.RunAsync(scenario, ct);

            switch (result)
            {
            case ScenarioExpectedEventsButThrewException threw:
                throw new XunitException($"Expected events but threw {threw.Actual}");

            case ScenarioExpectedEventsButRecordedOtherEvents recorded:
                var messageBuilder = new StringBuilder();
                if (recorded.Scenario.Thens.Length != recorded.Actual.Length)
                {
                    messageBuilder.AppendFormat("Expected {0} events ({1}) but recorded {2} events ({3}).",
                                                recorded.Scenario.Thens.Length,
                                                string.Join(",",
                                                            recorded.Scenario.Thens.Select(given => $"[Stream={given.Stream}]Event={given.Event.GetType().Name}")),
                                                recorded.Actual.Length,
                                                string.Join(",",
                                                            recorded.Actual.Select(actual => $"[Stream={actual.Stream}]Event={actual.Event.GetType().Name}")));
                }
                else
                {
                    messageBuilder.AppendLine("Expected events to match but found differences:");
                    var config = new ComparisonConfig
                    {
                        MaxDifferences = int.MaxValue,
                        MaxStructDepth = 5
                    };
                    var comparer   = new CompareLogic(config);
                    var comparison = comparer.Compare(recorded.Scenario.Thens, recorded.Actual);
                    foreach (var difference in comparison.Differences)
                    {
                        messageBuilder.AppendLine("\t" + difference);
                    }
                    messageBuilder.AppendLine("Expected:");
                    foreach (var then in recorded.Scenario.Thens)
                    {
                        messageBuilder.AppendLine($"[Stream={then.Stream}]Event={then.Event.GetType().Name}");
                        messageBuilder.AppendLine(JsonConvert.SerializeObject(then.Event, Formatting.Indented));
                    }
                    messageBuilder.AppendLine("Actual:");
                    foreach (var actual in recorded.Actual)
                    {
                        messageBuilder.AppendLine($"[Stream={actual.Stream}]Event={actual.Event.GetType().Name}");
                        messageBuilder.AppendLine(JsonConvert.SerializeObject(actual.Event, Formatting.Indented));
                    }
                }
                throw new XunitException(messageBuilder.ToString());
            }
        }