public void AdditionalLabels_AppliesUserAgent()
{
HttpExporterTestDataProvider.SetupHttpContext(_context, TestStatusCode, TestMethod, TestAction, TestController, TestUserAgent);
var middleware = new HttpRequestCountMiddleware(_next, new HttpRequestCountOptions
{
Registry = _registry,
AdditionalLabels = new Dictionary <string, Func <HttpContext, string> >
{
{ UserAgentLabel, HttpExporterTestDataProvider.GetUserAgent }
}
});
var child = (ChildBase)middleware.CreateChild(_context);
var expectedLabels = HttpRequestLabelNames.All.Concat(new[] { UserAgentLabel }).ToArray();
CollectionAssert.AreEquivalent(expectedLabels, child.Labels.Names);
CollectionAssert.AreEquivalent(new[]
{
TestStatusCode.ToString(),
TestMethod,
TestAction,
TestController,
TestUserAgent
}, child.Labels.Values);
}
public void CustomMetric_WithExtendedLabels_AppliesExtendedLabels()
{
// Route parameters tracked:
// foo = 123
// bar = (missing)
// method = excellent // remapped to route_method
HttpExporterTestDataProvider.SetupHttpContext(_context, TestStatusCode, TestMethod, TestAction, TestController,
routeParameters: new[]
public void CustomMetric_WithNoLabels_AppliesNoLabels()
{
HttpExporterTestDataProvider.SetupHttpContext(_context, TestStatusCode, TestMethod, TestAction, TestController);
var middleware = new HttpRequestCountMiddleware(_next, new HttpRequestCountOptions
{
Counter = _metrics.CreateCounter("xxx", "")
});
var child = (ChildBase)middleware.CreateChild(_context);
Assert.AreEqual(0, child.Labels.Count);
}
public void CustomMetric_WithStandardLabels_AppliesStandardLabels()
{
HttpExporterTestDataProvider.SetupHttpContext(_context, TestStatusCode, TestMethod, TestAction, TestController);
var middleware = new HttpRequestCountMiddleware(_next, new HttpRequestCountOptions
{
Counter = _metrics.CreateCounter("xxx", "", HttpRequestLabelNames.All)
});
var child = (ChildBase)middleware.CreateChild(_context);
CollectionAssert.AreEquivalent(HttpRequestLabelNames.All, child.Labels.Names);
CollectionAssert.AreEquivalent(new[]
{
TestStatusCode.ToString(),
TestMethod,
TestAction,
TestController
}, child.Labels.Values);
}