/// <summary>
/// Used to start the fixture within a <see cref="ComposedFixture"/>.
/// </summary>
/// <typeparam name="TStartup">The startup class for the service.</typeparam>
/// <param name="hostConfigurator">Optional action providing for customization of the hosting environment.</param>
/// <param name="port">The port where the server will listen or zero to allow the operating system to select a free port.</param>
/// <param name="logWriter">Optionally specifies a test output writer.</param>
/// <param name="logLevel">Optionally specifies the log level. This defaults to <see cref="LogLevel.None"/>.</param>
/// <remarks>
/// <para>
/// You can capture ASP.NET and service logs into your unit test logs by passing <paramref name="logWriter"/> as
/// non-null and <paramref name="logLevel"/> as something other than <see cref="LogLevel.None"/>. You'll need
/// to obtain a <see cref="ITestOutputHelper"/> instance from Xunit via dependency injection by adding a parameter
/// to your test constructor and then creating a <see cref="TestOutputWriter"/> from it, like:
/// </para>
/// <code language="c#">
/// public class MyTest : IClassFixture<AspNetFixture>
/// {
/// private AspNetFixture fixture;
/// private TestAspNetFixtureClient client;
/// private TestOutputWriter testWriter;
///
/// public Test_EndToEnd(AspNetFixture fixture, ITestOutputHelper outputHelper)
/// {
/// this.fixture = fixture;
/// this.testWriter = new TestOutputWriter(outputHelper);
///
/// fixture.Start<Startup>(logWriter: testWriter, logLevel: Neon.Diagnostics.LogLevel.Debug);
///
/// client = new TestAspNetFixtureClient()
/// {
/// BaseAddress = fixture.BaseAddress
/// };
/// }
/// }
/// </code>
/// </remarks>
public void StartAsComposed <TStartup>(Action <IWebHostBuilder> hostConfigurator = null, int port = 0, TestOutputWriter logWriter = null, LogLevel logLevel = LogLevel.None)
where TStartup : class
{
this.hostConfigurator = hostConfigurator;
this.logWriter = logWriter;
this.logLevel = logLevel;
base.CheckWithinAction();
if (IsRunning)
{
return;
}
StartServer <TStartup>(port);
// Get the address where the server is listening and create the client.
JsonClient = new JsonClient()
{
BaseAddress = new Uri(WebHost.ServerFeatures.Get <IServerAddressesFeature>().Addresses.OfType <string>().FirstOrDefault())
};
IsRunning = true;
}
/// <summary>
/// <para>
/// Starts the ASP.NET service using the default controller factory.
/// </para>
/// <note>
/// You'll need to call <see cref="StartAsComposed{TStartup}(Action{IWebHostBuilder}, int, TestOutputWriter, LogLevel)"/>
/// instead when this fixture is being added to a <see cref="ComposedFixture"/>.
/// </note>
/// </summary>
/// <typeparam name="TStartup">The startup class for the service.</typeparam>
/// <param name="hostConfigurator">Optional action providing for customization of the hosting environment.</param>
/// <param name="port">The port where the server will listen or zero to allow the operating system to select a free port.</param>
/// <param name="logWriter">Optionally specifies a test output writer.</param>
/// <param name="logLevel">Optionally specifies the log level. This defaults to <see cref="LogLevel.None"/>.</param>
/// <remarks>
/// <para>
/// You can capture ASP.NET and service logs into your unit test logs by passing <paramref name="logWriter"/> as
/// non-null and <paramref name="logLevel"/> as something other than <see cref="LogLevel.None"/>. You'll need
/// to obtain a <see cref="ITestOutputHelper"/> instance from Xunit via dependency injection by adding a parameter
/// to your test constructor and then creating a <see cref="TestOutputWriter"/> from it, like:
/// </para>
/// <code language="c#">
/// public class MyTest : IClassFixture<AspNetFixture>
/// {
/// private AspNetFixture fixture;
/// private TestAspNetFixtureClient client;
/// private TestOutputWriter testWriter;
///
/// public Test_EndToEnd(AspNetFixture fixture, ITestOutputHelper outputHelper)
/// {
/// this.fixture = fixture;
/// this.testWriter = new TestOutputWriter(outputHelper);
///
/// fixture.Start<Startup>(logWriter: testWriter, logLevel: Neon.Diagnostics.LogLevel.Debug);
///
/// client = new TestAspNetFixtureClient()
/// {
/// BaseAddress = fixture.BaseAddress
/// };
/// }
/// }
/// </code>
/// </remarks>
public void Start <TStartup>(Action <IWebHostBuilder> hostConfigurator = null, int port = 0, TestOutputWriter logWriter = null, LogLevel logLevel = LogLevel.None)
where TStartup : class
{
base.CheckDisposed();
base.Start(
() =>
{
StartAsComposed <TStartup>(hostConfigurator, port, logWriter, logLevel);
});
}