public async Task Given_A_Healthy_Endpoint_When_The_Healthcheck_Is_Performed_Then_The_Correct_Service_Instance_Is_Reported()
{
var reportHealth = Substitute.For <IReportHealth>();
var healthcheckQuery = new FindHealthcheckEndpointsQueryBuilder().Build(1);
var healthcheckJob = CreateHealthcheckJob(findHealthcheckQuery: healthcheckQuery, reportHealth: reportHealth);
await healthcheckJob.Execute(null);
reportHealth.Received().ReportHealthy(healthcheckQuery.HealthcheckEndpoints[0].InstanceIdentifier);
}
public async Task Given_Multiple_Unhealthy_Healthcheck_Endpoints_When_The_Healthchecks_Are_Performed_Then_All_Endpoints_Are_Reported_Unhealthy()
{
var reportHealth = Substitute.For <IReportHealth>();
var healthcheckClient = Substitute.For <IHealthcheckClient>();
var healthcheckQuery = new FindHealthcheckEndpointsQueryBuilder().Build(5);
var healthcheckJob = CreateHealthcheckJob(findHealthcheckQuery: healthcheckQuery, reportHealth: reportHealth, healthcheckClient: healthcheckClient);
healthcheckClient.GetHealthcheck(Arg.Any <Uri>())
.Returns(new HttpResponseMessage(HttpStatusCode.ServiceUnavailable));
await healthcheckJob.Execute(null);
reportHealth.Received(5).ReportError(Arg.Any <InstanceIdentifier>());
}
public async Task Given_Multiple_Healthcheck_Endpoints_When_The_Healthchecks_Are_Performed_And_One_Throws_An_Exception_Then_The_Other_Healthchecks_Are_Unaffected()
{
var reportHealth = Substitute.For <IReportHealth>();
var healthcheckClient = Substitute.For <IHealthcheckClient>();
var healthcheckQuery = new FindHealthcheckEndpointsQueryBuilder().Build(5);
var healthcheckJob = CreateHealthcheckJob(findHealthcheckQuery: healthcheckQuery, reportHealth: reportHealth, healthcheckClient: healthcheckClient);
healthcheckClient.GetHealthcheck(Arg.Any <Uri>())
.Returns(new HttpResponseMessage(HttpStatusCode.OK));
healthcheckClient.GetHealthcheck(healthcheckQuery.HealthcheckEndpoints[2].HealthcheckUri)
.Throws(new InvalidOperationException());
await healthcheckJob.Execute(null);
reportHealth.Received(4).ReportHealthy(Arg.Any <InstanceIdentifier>());
}
private HealthcheckScheduledJob CreateHealthcheckJob(IFindHealthcheckEndpointsQuery findHealthcheckQuery = null, IReportHealth reportHealth = null, IHealthcheckClient healthcheckClient = null)
{
if (findHealthcheckQuery == null)
{
var findHealtcheckQueryBuilder = new FindHealthcheckEndpointsQueryBuilder();
findHealthcheckQuery = findHealtcheckQueryBuilder.Build();
}
if (reportHealth == null)
{
reportHealth = Substitute.For <IReportHealth>();
}
if (healthcheckClient == null)
{
healthcheckClient = Substitute.For <IHealthcheckClient>();
healthcheckClient.GetHealthcheck(Arg.Any <Uri>())
.Returns(new HttpResponseMessage(HttpStatusCode.OK));
}
return(new HealthcheckScheduledJob(findHealthcheckQuery, reportHealth, healthcheckClient));
}
