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Allow access to child providers in ChainedConfigurationProvider
Fixes dotnet#44486
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83 changes: 83 additions & 0 deletions
83
src/libraries/Microsoft.Extensions.Configuration/tests/ChainedConfigurationProviderTests.cs
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// Licensed to the .NET Foundation under one or more agreements. | ||
// The .NET Foundation licenses this file to you under the MIT license. | ||
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using System; | ||
using System.Collections.Generic; | ||
using System.Linq; | ||
using System.Threading; | ||
using System.Threading.Tasks; | ||
using Microsoft.Extensions.Configuration.Memory; | ||
using Microsoft.Extensions.Primitives; | ||
using Moq; | ||
using Xunit; | ||
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namespace Microsoft.Extensions.Configuration.Test | ||
{ | ||
public class ChainedConfigurationProvierTests | ||
{ | ||
[Fact] | ||
public void Configuration_Basic() | ||
{ | ||
var inputData = new Dictionary<string, string>() { { "a:b", "c" } }; | ||
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ChainedConfigurationProvider chainedConfig; | ||
chainedConfig = new ChainedConfigurationProvider(new ChainedConfigurationSource | ||
{ | ||
Configuration = new ConfigurationBuilder() | ||
.Add(new MemoryConfigurationSource { InitialData = inputData }) | ||
.Build(), | ||
ShouldDisposeConfiguration = false, | ||
}); | ||
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Assert.True(chainedConfig.TryGet("a:b", out string? value)); | ||
Assert.Equal("c", value); | ||
Assert.Equal("c", chainedConfig.Configuration["a:b"]); | ||
} | ||
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[Fact] | ||
public void ConfigurationRoot() | ||
{ | ||
var inputData = new Dictionary<string, string>() { { "a:b", "c" } }; | ||
IConfigurationRoot configRoot = new ConfigurationBuilder() | ||
.Add(new MemoryConfigurationSource { InitialData = inputData }) | ||
.Build(); | ||
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var chainedConfigurationProvider = new ChainedConfigurationProvider(new ChainedConfigurationSource | ||
{ | ||
Configuration = configRoot, | ||
ShouldDisposeConfiguration = false, | ||
}); | ||
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Assert.NotNull(chainedConfigurationProvider.Configuration as IConfigurationRoot); | ||
Assert.NotNull((chainedConfigurationProvider.Configuration as IConfigurationRoot).Providers); | ||
} | ||
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[Fact] | ||
public void ChainedConfigurationCouldExposeProvider() | ||
{ | ||
var providers = new IConfigurationProvider[] { | ||
new TestConfigurationProvider("foo", "foo-value") | ||
}; | ||
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var configRoot = new ConfigurationRoot(providers); | ||
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var chainedConfigurationSource = new ChainedConfigurationSource | ||
{ | ||
Configuration = configRoot, | ||
ShouldDisposeConfiguration = false, | ||
}; | ||
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var chainedConfigurationProvider = chainedConfigurationSource | ||
.Build(new ConfigurationBuilder()) as ChainedConfigurationProvider; | ||
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Assert.NotNull(chainedConfigurationProvider.Configuration as IConfigurationRoot); | ||
Assert.Equal(providers, (chainedConfigurationProvider.Configuration as IConfigurationRoot).Providers); | ||
} | ||
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private class TestConfigurationProvider : ConfigurationProvider | ||
{ | ||
public TestConfigurationProvider(string key, string value) | ||
=> Data.Add(key, value); | ||
} | ||
} | ||
} |
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