public async Task ReportMetricAsync_GetsValidInputWithMetricLabelWithSameKeyAsScrapeResult_SuccessfullyWritesMetricWithLabelValueFromScrapeResult()
{
// Arrange
var metricName = _bogus.Name.FirstName();
var metricDescription = _bogus.Lorem.Sentence();
var metricValue = _bogus.Random.Double();
var labelName = _bogus.Name.FirstName();
var scrapeResultLabelValue = _bogus.Name.FirstName();
var metricConfigLabelValue = _bogus.Name.FirstName();
var expectedLabelName = labelName.ToLower();
var configuredLabels = new Dictionary <string, string>
{
{ labelName.ToUpper(), metricConfigLabelValue }
};
var scrapeResult = ScrapeResultGenerator.Generate(metricValue);
scrapeResult.Labels.Add(labelName, scrapeResultLabelValue);
var metricsDeclarationProvider = CreateMetricsDeclarationProvider(metricName, configuredLabels);
var prometheusConfiguration = CreatePrometheusConfiguration();
var mocks = CreatePrometheusMetricFactoryMock();
var metricSink = new PrometheusScrapingEndpointMetricSink(mocks.Factory.Object, metricsDeclarationProvider, prometheusConfiguration, NullLogger <PrometheusScrapingEndpointMetricSink> .Instance);
// Act
await metricSink.ReportMetricAsync(metricName, metricDescription, scrapeResult);
// Assert
mocks.Factory.Verify(mock => mock.CreateGauge(metricName, metricDescription, It.IsAny <bool>(), It.Is <string[]>(specified => specified.Contains(expectedLabelName) && EnsureAllArrayEntriesAreSpecified(specified, scrapeResult.Labels.Keys.ToArray()))), Times.Once());
mocks.MetricFamily.Verify(mock => mock.WithLabels(It.Is <string[]>(specified => specified.Contains(scrapeResultLabelValue) && specified.Contains(metricConfigLabelValue) == false && EnsureAllArrayEntriesAreSpecified(specified, scrapeResult.Labels.Values.ToArray()))), Times.Once());
mocks.Gauge.Verify(mock => mock.Set(metricValue), Times.Once());
}
public async Task ReportMetricAsync_WriteToNoSinks_Succeeds()
{
// Arrange
var metricName = BogusGenerator.Name.FirstName();
var metricDescription = BogusGenerator.Lorem.Sentence();
var metricValue = BogusGenerator.Random.Double();
var scrapeResult = ScrapeResultGenerator.Generate(metricValue);
var metricSinkWriter = new MetricSinkWriter(new List <IMetricSink>(), NullLogger <MetricSinkWriter> .Instance);
// Act & Assert
await metricSinkWriter.ReportMetricAsync(metricName, metricDescription, scrapeResult);
}
public async Task ReportMetricAsync_InputDoesNotContainMetricName_ThrowsException(string metricName)
{
// Arrange
var metricDescription = BogusGenerator.Lorem.Sentence();
var metricValue = BogusGenerator.Random.Double();
var scrapeResult = ScrapeResultGenerator.Generate(metricValue);
var statsDPublisherMock = new Mock <IStatsDPublisher>();
var metricSink = new StatsdMetricSink(statsDPublisherMock.Object, NullLogger <StatsdMetricSink> .Instance);
// Act & Assert
// ReSharper disable once ExpressionIsAlwaysNull
await Assert.ThrowsAsync <ArgumentException>(() => metricSink.ReportMetricAsync(metricName, metricDescription, scrapeResult));
}
public async Task ReportMetricAsync_WriteToOneSinkWithoutMetricDescription_Succeeds(string metricDescription)
{
// Arrange
var metricName = BogusGenerator.Name.FirstName();
var metricValue = BogusGenerator.Random.Double();
var scrapeResult = ScrapeResultGenerator.Generate(metricValue);
var metricSink = new Mock <IMetricSink>();
var metricSinkWriter = new MetricSinkWriter(new List <IMetricSink> {
metricSink.Object
}, NullLogger <MetricSinkWriter> .Instance);
// Act & Assert
await metricSinkWriter.ReportMetricAsync(metricName, metricDescription, scrapeResult);
}
public async Task ReportMetricAsync_InputDoesNotContainMetricName_ThrowsException(string metricName)
{
// Arrange
var metricDescription = BogusGenerator.Lorem.Sentence();
var metricValue = BogusGenerator.Random.Double();
var scrapeResult = ScrapeResultGenerator.Generate(metricValue);
var systemMetricConfigOptions = BogusAtlassianStatuspageMetricSinkConfigurationGenerator.GetSinkConfiguration();
var atlassianStatuspageClientMock = new Mock <IAtlassianStatuspageClient>();
var metricSink = new AtlassianStatuspageMetricSink(atlassianStatuspageClientMock.Object, systemMetricConfigOptions, NullLogger <AtlassianStatuspageMetricSink> .Instance);
// Act & Assert
// ReSharper disable once ExpressionIsAlwaysNull
await Assert.ThrowsAsync <ArgumentException>(() => metricSink.ReportMetricAsync(metricName, metricDescription, scrapeResult));
}
public async Task ReportMetricAsync_WriteToOneSinkWithoutMetricName_ThrowsException(string metricName)
{
// Arrange
var metricDescription = BogusGenerator.Lorem.Sentence();
var metricValue = BogusGenerator.Random.Double();
var scrapeResult = ScrapeResultGenerator.Generate(metricValue);
var metricSink = new Mock <IMetricSink>();
var metricSinkWriter = new MetricSinkWriter(new List <IMetricSink> {
metricSink.Object
}, NullLogger <MetricSinkWriter> .Instance);
// Act & Assert
// ReSharper disable once ExpressionIsAlwaysNull
await Assert.ThrowsAsync <ArgumentException>(() => metricSinkWriter.ReportMetricAsync(metricName, metricDescription, scrapeResult));
}
public async Task ReportMetricAsync_InputDoesNotContainMetricDescription_Succeeds(string metricDescription)
{
// Arrange
var metricName = _bogus.Name.FirstName();
var metricValue = _bogus.Random.Double();
var scrapeResult = ScrapeResultGenerator.Generate(metricValue);
var metricsDeclarationProvider = CreateMetricsDeclarationProvider(metricName);
var prometheusConfiguration = CreatePrometheusConfiguration();
var metricFactoryMock = CreatePrometheusMetricFactoryMock();
var metricSink = new PrometheusScrapingEndpointMetricSink(metricFactoryMock.Factory.Object, metricsDeclarationProvider, prometheusConfiguration, NullLogger <PrometheusScrapingEndpointMetricSink> .Instance);
// Act & Assert
// ReSharper disable once ExpressionIsAlwaysNull
await metricSink.ReportMetricAsync(metricName, metricDescription, scrapeResult);
}
public async Task ReportMetricAsync_InputDoesNotContainMetricName_ThrowsException(string metricName)
{
// Arrange
var metricDescription = BogusGenerator.Lorem.Sentence();
var metricValue = BogusGenerator.Random.Double();
var scrapeResult = ScrapeResultGenerator.Generate(metricValue);
var metricsDeclarationProvider = CreateMetricsDeclarationProvider(metricName);
var prometheusConfiguration = CreatePrometheusConfiguration();
var metricFactoryMock = CreatePrometheusMetricFactoryMock();
var metricSink = new PrometheusScrapingEndpointMetricSink(metricFactoryMock.Factory.Object, metricsDeclarationProvider, prometheusConfiguration, NullLogger <PrometheusScrapingEndpointMetricSink> .Instance);
// Act & Assert
// ReSharper disable once ExpressionIsAlwaysNull
await Assert.ThrowsAsync <ArgumentException>(() => metricSink.ReportMetricAsync(metricName, metricDescription, scrapeResult));
}
public async Task ReportMetricAsync_WriteToOneSink_Succeeds()
{
// Arrange
var metricName = BogusGenerator.Name.FirstName();
var metricDescription = BogusGenerator.Lorem.Sentence();
var metricValue = BogusGenerator.Random.Double();
var scrapeResult = ScrapeResultGenerator.Generate(metricValue);
var metricSink = new Mock <IMetricSink>();
var metricSinkWriter = new MetricSinkWriter(new List <IMetricSink> {
metricSink.Object
}, NullLogger <MetricSinkWriter> .Instance);
// Act
await metricSinkWriter.ReportMetricAsync(metricName, metricDescription, scrapeResult);
// Assert
metricSink.Verify(mock => mock.ReportMetricAsync(metricName, metricDescription, scrapeResult), Times.Once());
}
public async Task ReportMetricAsync_WriteToStatsDSink_Succeeds()
{
// Arrange
var metricName = _bogus.Name.FirstName();
var metricDescription = _bogus.Lorem.Sentence();
var metricValue = _bogus.Random.Double();
var scrapeResult = ScrapeResultGenerator.Generate(metricValue);
var statsDPublisherMock = new Mock <IStatsDPublisher>();
var statsdMetricSink = new StatsdMetricSink(statsDPublisherMock.Object, NullLogger <StatsdMetricSink> .Instance);
var metricSinkWriter = new MetricSinkWriter(new List <IMetricSink> {
statsdMetricSink
}, NullLogger <MetricSinkWriter> .Instance);
// Act
await metricSinkWriter.ReportMetricAsync(metricName, metricDescription, scrapeResult);
// Assert
statsDPublisherMock.Verify(mock => mock.Gauge(metricValue, metricName), Times.Once());
}
public async Task ReportMetricAsync_GetsValidInputWithMetricValue_SuccessfullyWritesMetric()
{
// Arrange
var metricName = _bogus.Name.FirstName();
var metricDescription = _bogus.Lorem.Sentence();
var metricValue = _bogus.Random.Double();
var scrapeResult = ScrapeResultGenerator.Generate(metricValue);
var metricsDeclarationProvider = CreateMetricsDeclarationProvider(metricName);
var prometheusConfiguration = CreatePrometheusConfiguration();
var mocks = CreatePrometheusMetricFactoryMock();
var metricSink = new PrometheusScrapingEndpointMetricSink(mocks.Factory.Object, metricsDeclarationProvider, prometheusConfiguration, NullLogger <PrometheusScrapingEndpointMetricSink> .Instance);
// Act
await metricSink.ReportMetricAsync(metricName, metricDescription, scrapeResult);
// Assert
mocks.Factory.Verify(mock => mock.CreateGauge(metricName, metricDescription, It.IsAny <bool>(), It.Is <string[]>(specified => EnsureAllArrayEntriesAreSpecified(specified, scrapeResult.Labels.Keys.ToArray()))), Times.Once());
mocks.MetricFamily.Verify(mock => mock.WithLabels(It.Is <string[]>(specified => EnsureAllArrayEntriesAreSpecified(specified, scrapeResult.Labels.Values.ToArray()))), Times.Once());
mocks.Gauge.Verify(mock => mock.Set(metricValue), Times.Once());
}