public async Task Invoke_Should_Be_Fail()
{
Metrics.SuppressDefaultMetrics();
PrometheusMiddleware prometheusMiddleware = new PrometheusMiddleware(
_requestDelegateMock.Object,
_iLoggerMock.Object,
_iQueueServiceMock.Object,
_iTopicServiceMock.Object,
_iSubscriptionServiceMock.Object,
_iOptionsMock.Object);
var context = new DefaultHttpContext();
context.Request.Path = "/metrics";
await prometheusMiddleware.Invoke(context);
var lines = await GetMetrics();
Assert.Contains(lines, s => s == "azureservicebusexporter_up 0");
}
public async Task Invoke_Should_Be_Successful()
{
Metrics.SuppressDefaultMetrics();
PrometheusMiddleware prometheusMiddleware = new PrometheusMiddleware(
_requestDelegateMock.Object,
_iLoggerMock.Object,
_iQueueServiceMock.Object,
_iTopicServiceMock.Object,
_iSubscriptionServiceMock.Object,
_iOptionsMock.Object,
_iServicebusNamespace.Object);
var context = new DefaultHttpContext();
context.Request.Path = "/metrics";
_iQueueServiceMock.Setup(x => x.CreateMetricsAsync(It.IsAny <IServiceBusNamespace>())).ReturnsAsync(new List <GaugeModel>()
{
new GaugeModel()
{
Name = "Queue",
Help = "Queue Help",
Labels = new [] { "env" },
LabelValues = new [] { "dev" },
Value = 200
}
});
_iSubscriptionServiceMock.Setup(x => x.CreateMetricsAsync(It.IsAny <IServiceBusNamespace>())).ReturnsAsync(new List <GaugeModel>()
{
new GaugeModel()
{
Name = "Subscription",
Help = "Subscription Help",
Labels = new [] { "env" },
LabelValues = new [] { "dev" },
Value = 300
}
});
_iTopicServiceMock.Setup(x => x.CreateMetricsAsync(It.IsAny <IServiceBusNamespace>())).ReturnsAsync(new List <GaugeModel>()
{
new GaugeModel()
{
Name = "Topic",
Help = "Topic Help",
Labels = new [] { "env" },
LabelValues = new [] { "dev" },
Value = 400
}
});
await prometheusMiddleware.Invoke(context);
var lines = await GetMetrics();
Assert.Contains(lines, s => s == "Queue{env=\"dev\"} 200");
Assert.Contains(lines, s => s == "Subscription{env=\"dev\"} 300");
Assert.Contains(lines, s => s == "Topic{env=\"dev\"} 400");
Assert.Contains(lines, s => s == "azureservicebusexporter_up 1");
Assert.Contains(lines, s => s.StartsWith("scrape_duration_milliseconds "));
_iQueueServiceMock.Verify(x => x.CreateMetricsAsync(It.IsAny <IServiceBusNamespace>()), Times.Once);
_iSubscriptionServiceMock.Verify(x => x.CreateMetricsAsync(It.IsAny <IServiceBusNamespace>()), Times.Once);
_iTopicServiceMock.Verify(x => x.CreateMetricsAsync(It.IsAny <IServiceBusNamespace>()), Times.Once);
}