public void ParseTags_ReturnsExpected()
{
var opts = new MetricsOptions();
var stats = new OpenCensusStats();
var ep = new MetricsEndpoint(opts, stats);
var middle = new MetricsEndpointOwinMiddleware(null, ep);
var context1 = CreateRequest("GET", "/metrics/Foo.Bar.Class", "foo=key:value");
var result = middle.ParseTags(context1.Request.Query);
Assert.NotNull(result);
Assert.Empty(result);
var context2 = CreateRequest("GET", "/metrics/Foo.Bar.Class", "tag=key:value");
result = middle.ParseTags(context2.Request.Query);
Assert.NotNull(result);
Assert.Contains(new KeyValuePair <string, string>("key", "value"), result);
var context3 = CreateRequest("GET", "/metrics/Foo.Bar.Class", "tag=key:value&foo=key:value&tag=key1:value1");
result = middle.ParseTags(context3.Request.Query);
Assert.NotNull(result);
Assert.Contains(new KeyValuePair <string, string>("key", "value"), result);
Assert.Contains(new KeyValuePair <string, string>("key1", "value1"), result);
Assert.Equal(2, result.Count);
var context4 = CreateRequest("GET", "/metrics/Foo.Bar.Class", "tag=key:value&foo=key:value&tag=key:value");
result = middle.ParseTags(context4.Request.Query);
Assert.NotNull(result);
Assert.Contains(new KeyValuePair <string, string>("key", "value"), result);
Assert.Single(result);
}
public async void HandleMetricsRequestAsync_GetSpecificExistingMetric_ReturnsExpected()
{
var opts = new MetricsEndpointOptions();
var mopts = TestHelpers.GetManagementOptions(opts);
var stats = new OpenCensusStats();
var tagsComponent = new TagsComponent();
var tagger = tagsComponent.Tagger;
var ep = new MetricsEndpoint(opts, stats);
SetupTestView(stats);
var middle = new MetricsEndpointOwinMiddleware(null, ep, mopts);
var context = CreateRequest("GET", "/cloudfoundryapplication/metrics/test.test", "?tag=a:v1");
await middle.HandleMetricsRequestAsync(context);
Assert.Equal(200, context.Response.StatusCode);
context.Response.Body.Seek(0, SeekOrigin.Begin);
StreamReader rdr = new StreamReader(context.Response.Body);
string json = await rdr.ReadToEndAsync();
Assert.Equal("{\"name\":\"test.test\",\"measurements\":[{\"statistic\":\"TOTAL\",\"value\":45.0}],\"availableTags\":[{\"tag\":\"a\",\"values\":[\"v1\"]},{\"tag\":\"b\",\"values\":[\"v1\"]},{\"tag\":\"c\",\"values\":[\"v1\"]}]}", json);
}
public void ParseTag_ReturnsExpected()
{
var opts = new MetricsOptions();
var stats = new OpenCensusStats();
var ep = new MetricsEndpoint(opts, stats);
var middle = new MetricsEndpointOwinMiddleware(null, ep);
Assert.Null(middle.ParseTag("foobar"));
Assert.Equal(new KeyValuePair <string, string>("foo", "bar"), middle.ParseTag("foo:bar"));
Assert.Equal(new KeyValuePair <string, string>("foo", "bar:bar"), middle.ParseTag("foo:bar:bar"));
Assert.Null(middle.ParseTag("foo,bar"));
}
public async void HandleMetricsRequestAsync_GetSpecificNonExistingMetric_ReturnsExpected()
{
var opts = new MetricsOptions();
var stats = new OpenCensusStats();
var ep = new MetricsEndpoint(opts, stats);
var middle = new MetricsEndpointOwinMiddleware(null, ep);
var context = CreateRequest("GET", "/metrics/foo.bar");
await middle.HandleMetricsRequestAsync(context);
Assert.Equal(404, context.Response.StatusCode);
}
public void MetricsEndpointMiddleware_PathAndVerbMatching_ReturnsExpected()
{
var opts = new MetricsOptions();
var stats = new OpenCensusStats();
var ep = new MetricsEndpoint(opts, stats);
var middle = new MetricsEndpointOwinMiddleware(null, ep);
Assert.True(middle.RequestVerbAndPathMatch("GET", "/metrics"));
Assert.False(middle.RequestVerbAndPathMatch("PUT", "/metrics"));
Assert.False(middle.RequestVerbAndPathMatch("GET", "/badpath"));
Assert.False(middle.RequestVerbAndPathMatch("POST", "/metrics"));
Assert.False(middle.RequestVerbAndPathMatch("DELETE", "/metrics"));
Assert.True(middle.RequestVerbAndPathMatch("GET", "/metrics/Foo.Bar.Class"));
Assert.True(middle.RequestVerbAndPathMatch("GET", "/metrics/Foo.Bar.Class?tag=key:value&tag=key1:value1"));
Assert.True(middle.RequestVerbAndPathMatch("GET", "/metrics?tag=key:value&tag=key1:value1"));
}
public async void HandleMetricsRequestAsync_GetMetricsNames_ReturnsExpected()
{
var opts = new MetricsOptions();
var stats = new OpenCensusStats();
var ep = new MetricsEndpoint(opts, stats);
var middle = new MetricsEndpointOwinMiddleware(null, ep);
var context = CreateRequest("GET", "/metrics");
await middle.HandleMetricsRequestAsync(context);
context.Response.Body.Seek(0, SeekOrigin.Begin);
StreamReader rdr = new StreamReader(context.Response.Body);
string json = await rdr.ReadToEndAsync();
Assert.Equal("{\"names\":[]}", json);
}
public void GetMetricName_ReturnsExpected()
{
var opts = new MetricsOptions();
var stats = new OpenCensusStats();
var ep = new MetricsEndpoint(opts, stats);
var middle = new MetricsEndpointOwinMiddleware(null, ep);
var context1 = CreateRequest("GET", "/metrics");
Assert.Null(middle.GetMetricName(context1.Request));
var context2 = CreateRequest("GET", "/metrics/Foo.Bar.Class");
Assert.Equal("Foo.Bar.Class", middle.GetMetricName(context2.Request));
var context3 = CreateRequest("GET", "/metrics", "tag=key:value&tag=key1:value1");
Assert.Null(middle.GetMetricName(context3.Request));
}