public static Func <StrategyAssignedEvent> WhenExtractingEvent(
this AssignIsGreaterThanStrategyToFeatureCommand command,
ISystemClock clock,
IStrategySettingsSerializer serializer)
{
return(() => command.ExtractStrategyAssignedEvent(
clock,
serializer));
}
public static async Task ThenWePublish(
this Func <Task> funk,
Mock <IFeaturesAggregate> featuresAggregate,
AssignIsGreaterThanStrategyToFeatureCommand command)
{
await funk();
featuresAggregate.Verify(_ => _.Publish(
It.Is <StrategyAssignedEvent>(e => e.Name.Equals(
command.Name,
StringComparison.InvariantCultureIgnoreCase))),
Times.Once);
}
public async Task GivenAValidCommand_WhenPublishingAFeature_ThenWePublishPathAndFeature()
{
var featuresAggregate = this.GivenIFeaturesAggregate();
var command = new AssignIsGreaterThanStrategyToFeatureCommand
{
AssignedBy = "meeee",
Name = "bob",
Path = "let/me/show/you",
Value = 09
};
await this.GivenCommandHandler(featuresAggregate.Object)
.WhenPublishingAFeature(command)
.ThenWePublish(featuresAggregate, command);
}
public async Task GivenACommand_WhenPublishingAFeatureThatDoesNotExist_ThenWeDoNotThrow()
{
var featuresAggregate = this.GivenIFeaturesAggregate()
.WithPublishing();
var command = new AssignIsGreaterThanStrategyToFeatureCommand
{
AssignedBy = "meeee",
Name = "bob",
Path = "let/me/show/you",
};
await this.GivenCommandHandler(featuresAggregate.Object)
.WhenPublishingAFeature(command)
.ThenWePublish(featuresAggregate, command);
}
public async Task GivenACommand_WhenPublishingThrows_ThenWeThrow()
{
var featuresAggregate = this.GivenIFeaturesAggregate()
.WithPublishingThrows <NotImplementedException>();
var command = new AssignIsGreaterThanStrategyToFeatureCommand
{
AssignedBy = "😎",
Name = "🌲/🦝",
Value = 91L
};
await this.GivenCommandHandler(featuresAggregate.Object)
.WhenPublishingAFeature(command)
.ThenExceptionIsThrown <NotImplementedException>();
}
public async Task GivenAnInvalidCommand_WhenPublishingAFeature_ThenWeThrow()
{
var featuresAggregate = this
.GivenIFeaturesAggregate()
.WithPublishing();
var command = new AssignIsGreaterThanStrategyToFeatureCommand
{
AssignedBy = "😎",
Path = "🌲/🦝"
};
await this.GivenCommandHandler(featuresAggregate.Object)
.WhenPublishingAFeature(command)
.ThenExceptionIsThrown <ArgumentValidationException>();
}
public static void ThenWeGetAFeaturePublishedEvent(this Func <StrategyAssignedEvent> featFunc, AssignIsGreaterThanStrategyToFeatureCommand command, ISystemClock clock)
{
var feat = featFunc();
feat.AssignedBy.Should().Be(command.AssignedBy);
feat.AssignedOn.Should().Be(clock.UtcNow);
feat.Name.Should().Be(command.Name);
feat.Path.Should().Be(command.Path);
feat.StrategyName.Should().Be(StrategyNames.IsGreaterThan);
feat.Settings.Should().Be(JsonSerializer.Serialize(new NumericalStrategySettings()
{
Value = command.Value
}));
}
public static Action WhenValidating(this AssignIsGreaterThanStrategyToFeatureCommand command)
{
return(() => command.Validate());
}
public static Func <Task> WhenPublishingAFeature(
this IHandleCommand <AssignIsGreaterThanStrategyToFeatureCommand> handler,
AssignIsGreaterThanStrategyToFeatureCommand command)
{
return(() => handler.Handle(command));
}