85 lines
3.1 KiB
C#
85 lines
3.1 KiB
C#
using Elsa.Extensions;
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using Elsa.Features.Services;
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using Elsa.Workflows.Core.Services;
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using Microsoft.Extensions.Configuration;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.Logging;
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using Xunit.Abstractions;
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namespace Elsa.Testing.Shared;
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/// <summary>
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/// A builder that can be used to configure an <see cref="IServiceProvider"/> for testing purposes.
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/// </summary>
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public class TestApplicationBuilder
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{
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private readonly ITestOutputHelper _testOutputHelper;
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private readonly ServiceCollection _services;
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private Action<IModule> _configureElsa;
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/// <summary>
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/// Initializes a new instance of the <see cref="TestApplicationBuilder"/> class.
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/// </summary>
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/// <param name="testOutputHelper">The test output helper.</param>
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public TestApplicationBuilder(ITestOutputHelper testOutputHelper)
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{
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_testOutputHelper = testOutputHelper;
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_services = new ServiceCollection();
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_services
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.AddSingleton(testOutputHelper)
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.AddSingleton<IConfiguration, ConfigurationManager>()
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.AddLogging(logging => logging.AddProvider(new XunitLoggerProvider(testOutputHelper)).SetMinimumLevel(LogLevel.Debug));
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_configureElsa += elsa => elsa
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.UseWorkflows(workflows => workflows
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.WithStandardOutStreamProvider(_ => new StandardOutStreamProvider(new XunitConsoleTextWriter(_testOutputHelper)))
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);
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}
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/// <summary>
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/// Builds the <see cref="IServiceProvider"/>.
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/// </summary>
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/// <returns>The <see cref="IServiceProvider"/>.</returns>
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public IServiceProvider Build()
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{
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_services.AddElsa(_configureElsa);
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return _services.BuildServiceProvider();
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}
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/// <summary>
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/// Configures Elsa.
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/// </summary>
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/// <param name="configure">The configuration delegate.</param>
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/// <returns>The <see cref="TestApplicationBuilder"/>.</returns>
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public TestApplicationBuilder ConfigureElsa(Action<IModule> configure)
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{
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_configureElsa += configure;
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return this;
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}
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/// <summary>
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/// Configures the service provider.
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/// </summary>
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/// <param name="configure">The configuration delegate.</param>
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/// <returns>The <see cref="TestApplicationBuilder"/>.</returns>
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public TestApplicationBuilder ConfigureServices(Action<IServiceCollection> configure)
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{
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configure(_services);
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return this;
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}
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/// <summary>
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/// Configures the service provider to use a <see cref="CapturingTextWriter"/> to capture standard output.
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/// </summary>
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/// <param name="capturingTextWriter">The capturing text writer.</param>
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/// <returns>The <see cref="TestApplicationBuilder"/>.</returns>
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public TestApplicationBuilder WithCapturingTextWriter(CapturingTextWriter capturingTextWriter)
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{
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var combinedTextWriter = new CombinedTextWriter(capturingTextWriter, new XunitConsoleTextWriter(_testOutputHelper));
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var provider = new StandardOutStreamProvider(combinedTextWriter);
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ConfigureElsa(elsa => elsa.UseWorkflows(workflows => workflows.WithStandardOutStreamProvider(_ => provider)));
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return this;
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}
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} |