public void ConfigurationTests_DefaultConfigurationIsCorrect()

in src/LibraryTest/Library/ConfigurationTests.cs [14:60]
37 lines of code
1 McCabe index (conditional complexity)

        public void ConfigurationTests_DefaultConfigurationIsCorrect()
        {
            // ARRANGE
            string defaultConfig;
            var assembly = Assembly.GetExecutingAssembly();
            var resourceName = "Microsoft.IstioMixerPlugin.LibraryTest.IstioMixerPlugin.config";

            using (Stream stream = assembly.GetManifestResourceStream(resourceName))
            {
                using (StreamReader reader = new StreamReader(stream))
                {
                    defaultConfig = reader.ReadToEnd();
                }
            }

            Environment.SetEnvironmentVariable("ISTIO_MIXER_PLUGIN_AI_INSTRUMENTATIONKEY", null, EnvironmentVariableTarget.Process);
            Environment.SetEnvironmentVariable("ISTIO_MIXER_PLUGIN_AI_ADAPTIVE_SAMPLING_LIMIT", "25", EnvironmentVariableTarget.Process);
            Environment.SetEnvironmentVariable("ISTIO_MIXER_PLUGIN_WATCHLIST_NAMESPACES", null, EnvironmentVariableTarget.Process);
            Environment.SetEnvironmentVariable("ISTIO_MIXER_PLUGIN_WATCHLIST_NAMESPACES_IGNORED", null, EnvironmentVariableTarget.Process);
            Environment.SetEnvironmentVariable("ISTIO_MIXER_PLUGIN_TELEMETRY_CHANNEL_ENDPOINT", null, EnvironmentVariableTarget.Process);
            Environment.SetEnvironmentVariable("ISTIO_MIXER_PLUGIN_QUICKPULSE_SERVICE_ENDPOINT", null, EnvironmentVariableTarget.Process);

            // ACT
            var config = new Configuration(defaultConfig);

            // ASSERT
            Assert.AreEqual("0.0.0.0", config.Host);
            Assert.AreEqual(6789, config.Port);

            Assert.AreEqual("%ISTIO_MIXER_PLUGIN_AI_INSTRUMENTATIONKEY%", config.InstrumentationKey);
            Assert.AreEqual("%ISTIO_MIXER_PLUGIN_AI_LIVE_METRICS_STREAM_AUTH_KEY%", config.LiveMetricsStreamAuthenticationApiKey);
            Assert.AreEqual("%ISTIO_MIXER_PLUGIN_WATCHLIST_NAMESPACES%", config.Watchlist_Namespaces.Single());
            Assert.AreEqual("%ISTIO_MIXER_PLUGIN_WATCHLIST_NAMESPACES_IGNORED%", config.Watchlist_IgnoredNamespaces.Single());
            Assert.AreEqual("%ISTIO_MIXER_PLUGIN_TELEMETRY_CHANNEL_ENDPOINT%", config.Endpoints_TelemetryChannelEndpoint);
            Assert.AreEqual("%ISTIO_MIXER_PLUGIN_QUICKPULSE_SERVICE_ENDPOINT%", config.Endpoints_QuickPulseServiceEndpoint);

            Assert.AreEqual(true, config.AdaptiveSampling_Enabled);
            Assert.AreEqual(10, config.AdaptiveSampling_MaxEventsPerSecond);
            Assert.AreEqual(25, config.AdaptiveSampling_MaxOtherItemsPerSecond);

            Environment.SetEnvironmentVariable("ISTIO_MIXER_PLUGIN_AI_INSTRUMENTATIONKEY", null, EnvironmentVariableTarget.Process);
            Environment.SetEnvironmentVariable("ISTIO_MIXER_PLUGIN_AI_ADAPTIVE_SAMPLING_LIMIT", null, EnvironmentVariableTarget.Process);
            Environment.SetEnvironmentVariable("ISTIO_MIXER_PLUGIN_WATCHLIST_NAMESPACES", null, EnvironmentVariableTarget.Process);
            Environment.SetEnvironmentVariable("ISTIO_MIXER_PLUGIN_WATCHLIST_NAMESPACES_IGNORED", null, EnvironmentVariableTarget.Process);
            Environment.SetEnvironmentVariable("ISTIO_MIXER_PLUGIN_TELEMETRY_CHANNEL_ENDPOINT", null, EnvironmentVariableTarget.Process);
            Environment.SetEnvironmentVariable("ISTIO_MIXER_PLUGIN_QUICKPULSE_SERVICE_ENDPOINT", null, EnvironmentVariableTarget.Process);
        }