BootstrapAdmin/UnitTest/Bootstrap.DataAccess/AutoRollbackAttribute.cs

62 lines
2.3 KiB
C#

using System;
using System.Reflection;
using System.Transactions;
using Xunit.Sdk;
namespace Bootstrap.DataAccess
{
/// <summary>
/// Apply this attribute to your test method to automatically create a <see cref="TransactionScope"/>
/// that is rolled back when the test is finished.
/// </summary>
[AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, AllowMultiple = false, Inherited = true)]
public sealed class AutoRollbackAttribute : BeforeAfterTestAttribute
{
private TransactionScope scope;
/// <summary>
/// Gets or sets whether transaction flow across thread continuations is enabled for TransactionScope.
/// By default transaction flow across thread continuations is enabled.
/// </summary>
public TransactionScopeAsyncFlowOption AsyncFlowOption { get; set; } = TransactionScopeAsyncFlowOption.Enabled;
/// <summary>
/// Gets or sets the isolation level of the transaction.
/// Default value is <see cref="IsolationLevel"/>.Unspecified.
/// </summary>
public IsolationLevel IsolationLevel { get; set; } = IsolationLevel.Unspecified;
/// <summary>
/// Gets or sets the scope option for the transaction.
/// Default value is <see cref="TransactionScopeOption"/>.Required.
/// </summary>
public TransactionScopeOption ScopeOption { get; set; } = TransactionScopeOption.Required;
/// <summary>
/// Gets or sets the timeout of the transaction, in milliseconds.
/// By default, the transaction will not timeout.
/// </summary>
public long TimeoutInMS { get; set; } = -1;
/// <summary>
/// Rolls back the transaction.
/// </summary>
public override void After(MethodInfo methodUnderTest)
{
scope.Dispose();
}
/// <summary>
/// Creates the transaction.
/// </summary>
public override void Before(MethodInfo methodUnderTest)
{
var options = new TransactionOptions { IsolationLevel = IsolationLevel };
if (TimeoutInMS > 0)
options.Timeout = TimeSpan.FromMilliseconds(TimeoutInMS);
scope = new TransactionScope(ScopeOption, options, AsyncFlowOption);
}
}
}