public void GetMetricsForExportedViews_ReturnsExpected()
{
var opts = new CloudFoundryForwarderOptions()
{
MicrometerMetricWriter = true
};
var stats = new OpenCensusStats();
var tagsComponent = new TagsComponent();
var tagger = tagsComponent.Tagger;
var ep = new CloudFoundryForwarderExporter(opts, stats);
IMeasureDouble testMeasure = MeasureDouble.Create("test.total", "test", MeasureUnit.Bytes);
SetupTestView(stats, Sum.Create(), testMeasure, "test.test1");
ITagContext context1 = tagger
.EmptyBuilder
.Put(TagKey.Create("a"), TagValue.Create("v1"))
.Put(TagKey.Create("b"), TagValue.Create("v1"))
.Put(TagKey.Create("c"), TagValue.Create("v1"))
.Build();
long allKeyssum = 0;
for (int i = 0; i < 10; i++)
{
allKeyssum = allKeyssum + i;
stats.StatsRecorder.NewMeasureMap().Put(testMeasure, i).Record(context1);
}
var result = ep.GetMetricsForExportedViews(stats.ViewManager.AllExportedViews, 1L);
Assert.NotNull(result);
Assert.Single(result);
var metric = result[0];
Assert.Equal("test.test1", metric.Name);
Assert.Equal(1L, metric.Timestamp);
Assert.Equal("gauge", metric.Type);
Assert.Equal("bytes", metric.Unit);
Assert.Equal(allKeyssum, metric.Value);
var tags = metric.Tags;
Assert.Equal("total", tags["statistic"]);
Assert.Equal("v1", tags["a"]);
Assert.Equal("v1", tags["b"]);
Assert.Equal("v1", tags["c"]);
}