63 lines
2.2 KiB
C#
63 lines
2.2 KiB
C#
// <copyright file="PrometheusMetricBuilderTests.cs" company="OpenTelemetry Authors">
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// Copyright The OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// </copyright>
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using System.Globalization;
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using System.IO;
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using System.Text;
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using System.Threading;
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using OpenTelemetry.Exporter.Prometheus.Implementation;
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using Xunit;
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namespace OpenTelemetry.Exporter.Prometheus.Tests.Implementation
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{
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public class PrometheusMetricBuilderTests
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{
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[Theory]
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[InlineData(null)]
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[InlineData("pt-BR")]
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public void Test(string cultureInfo)
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{
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if (!string.IsNullOrEmpty(cultureInfo))
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{
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Thread.CurrentThread.CurrentCulture = new CultureInfo(cultureInfo);
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}
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using var stream = new MemoryStream();
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using var writer = new StreamWriter(stream);
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var builder = new PrometheusMetricBuilder();
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builder.WithName("test-builder");
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builder.WithDescription("test-description");
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builder.WithType("test-type");
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var metricValueBuilder = builder.AddValue();
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metricValueBuilder = metricValueBuilder.WithName("test-builder-value").WithValue(10.0123);
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metricValueBuilder.WithLabel("test-double", "double");
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builder.Write(writer);
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writer.Flush();
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// assert
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string actual = Encoding.UTF8.GetString(stream.ToArray());
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string[] lines = actual.Split('\n');
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Assert.Equal("# HELP test_buildertest-description", lines[0]);
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Assert.Equal("# TYPE test_builder test-type", lines[1]);
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Assert.StartsWith("test_builder_value{test_double=\"double\"} 10.01", lines[2]);
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}
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}
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}
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