public async Task RollbacksTransactionOnError()
{
// Arrange
var db = A.Fake <ApplicationDbContext>(opts => opts.WithArgumentsForConstructor(() =>
new ApplicationDbContext(new Microsoft.EntityFrameworkCore.DbContextOptions <ApplicationDbContext>())));
A.CallTo(() => db.BeginTransaction()).DoesNothing();
var filter = new DbContextTransactionFilter(db);
var filterContext = ActionExecutingContextProvider.GetActionExecutingContext("POST");
var actionExecutionDelegate = A.Fake <ActionExecutionDelegate>();
A.CallTo(() => actionExecutionDelegate.Invoke()).Throws <InvalidOperationException>();
// Act
try { await filter.OnActionExecutionAsync(filterContext, actionExecutionDelegate); } catch { }
// Assert
A.CallTo(() => db.BeginTransaction()).MustHaveHappened();
A.CallTo(() => db.CommitTransactionAsync()).MustNotHaveHappened();
A.CallTo(() => db.RollbackTransaction()).MustHaveHappened();
}
public async Task CommitsTransaction()
{
// Arrange
var db = A.Fake <ApplicationDbContext>(opts => opts.WithArgumentsForConstructor(() =>
new ApplicationDbContext(new Microsoft.EntityFrameworkCore.DbContextOptions <ApplicationDbContext>())));
A.CallTo(() => db.BeginTransaction()).DoesNothing();
A.CallTo(() => db.CommitTransactionAsync()).Returns(Task.FromResult(0));
var filter = new DbContextTransactionFilter(db);
var filterContext = ActionExecutingContextProvider.GetActionExecutingContext("POST");
var actionExecutionDelegate = A.Fake <ActionExecutionDelegate>();
A.CallTo(() => actionExecutionDelegate.Invoke()).Returns(Task.FromResult <ActionExecutedContext>(null));
// Act
await filter.OnActionExecutionAsync(filterContext, actionExecutionDelegate);
// Assert
A.CallTo(() => db.BeginTransaction()).MustHaveHappened();
A.CallTo(() => db.CommitTransactionAsync()).MustHaveHappened();
}