133 lines
5.0 KiB
C#
133 lines
5.0 KiB
C#
// <copyright file="CorrelationContextBuilderTest.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.Collections.Generic;
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using Xunit;
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namespace OpenTelemetry.Context.Tests
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{
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public class CorrelationContextBuilderTest
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{
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private const string Key1 = "key 1";
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private const string Key2 = "key 2";
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private const string Value1 = "value 1";
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private const string Value2 = "value 2";
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private static readonly List<CorrelationContextEntry> List1 = new List<CorrelationContextEntry>(1)
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{ new CorrelationContextEntry(Key1, Value1) };
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private static readonly List<CorrelationContextEntry> List2 = new List<CorrelationContextEntry>(2)
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{
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new CorrelationContextEntry(Key1, Value1),
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new CorrelationContextEntry(Key2, Value2),
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};
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public CorrelationContextBuilderTest()
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{
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DistributedContext.Carrier = AsyncLocalDistributedContextCarrier.Instance;
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}
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[Fact]
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public void ContextCreation()
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{
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CorrelationContext dc = CorrelationContextBuilder.CreateContext(null);
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Assert.Equal(CorrelationContext.Empty, dc);
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dc = CorrelationContextBuilder.CreateContext(CorrelationContext.Empty.Entries);
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Assert.Equal(CorrelationContext.Empty, dc);
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dc = CorrelationContextBuilder.CreateContext(Key1, Value1);
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Assert.Equal(CorrelationContextBuilder.CreateContext(List1), dc);
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Assert.Equal(dc, new CorrelationContextBuilder(dc).Build());
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}
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[Fact]
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public void AddEntries()
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{
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Assert.Equal(CorrelationContext.Empty, new CorrelationContextBuilder(inheritCurrentContext: false).Build());
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Assert.Equal(
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CorrelationContextBuilder.CreateContext(List1), new CorrelationContextBuilder(inheritCurrentContext: false)
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.Add(Key1, Value1)
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.Build());
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Assert.Equal(
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CorrelationContextBuilder.CreateContext(List1), new CorrelationContextBuilder(inheritCurrentContext: false)
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.Add(new CorrelationContextEntry(Key1, Value1))
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.Build());
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Assert.Equal(
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CorrelationContextBuilder.CreateContext(List2), new CorrelationContextBuilder(inheritCurrentContext: false)
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.Add(Key1, Value1)
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.Add(Key2, Value2)
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.Build());
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Assert.Equal(
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CorrelationContextBuilder.CreateContext(List2), new CorrelationContextBuilder(inheritCurrentContext: false)
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.Add(new CorrelationContextEntry(Key1, Value1))
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.Add(new CorrelationContextEntry(Key2, Value2))
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.Build());
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Assert.Equal(
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CorrelationContextBuilder.CreateContext(List1), new CorrelationContextBuilder(inheritCurrentContext: false)
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.Add(List1)
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.Build());
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Assert.Equal(
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CorrelationContextBuilder.CreateContext(List2), new CorrelationContextBuilder(inheritCurrentContext: false)
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.Add(List2)
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.Build());
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}
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[Fact]
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public void RemoveEntries()
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{
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Assert.Equal(
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CorrelationContextBuilder.CreateContext(List1), new CorrelationContextBuilder(inheritCurrentContext: false)
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.Add(List2)
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.Remove(Key2)
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.Build());
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Assert.Equal(
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CorrelationContext.Empty, new CorrelationContextBuilder(inheritCurrentContext: false)
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.Add(List2)
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.Remove(Key2)
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.Remove(Key1)
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.Build());
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}
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[Fact]
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public void EnsureEmptyListAfterBuild()
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{
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var dcb = new CorrelationContextBuilder(inheritCurrentContext: false);
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Assert.Equal(CorrelationContext.Empty, dcb.Build());
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dcb.Add(List2);
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Assert.Equal(CorrelationContextBuilder.CreateContext(List2), dcb.Build());
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Assert.Equal(CorrelationContext.Empty, dcb.Build());
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var dc = dcb.Add(List1).Build();
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Assert.Equal(dc, dcb.Add(List1).Build());
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dcb = new CorrelationContextBuilder(dc);
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Assert.Equal(dc, dcb.Build());
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Assert.Equal(CorrelationContext.Empty, dcb.Build());
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}
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}
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}
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