public async Task Should_throw_if_no_path_found()
{
var migrator_0_1 = BuildMigration(0, 1);
var migrator_2_3 = BuildMigration(2, 3);
var migrator = new Migrator(status, new[] { migrator_0_1, migrator_2_3 }, log);
await Assert.ThrowsAsync <InvalidOperationException>(migrator.MigrateAsync);
A.CallTo(() => migrator_0_1.UpdateAsync()).MustNotHaveHappened();
A.CallTo(() => migrator_2_3.UpdateAsync()).MustNotHaveHappened();
A.CallTo(() => status.UnlockAsync(0)).MustHaveHappened();
}
public async Task Should_prevent_multiple_updates()
{
var migrator_0_1 = BuildMigration(0, 1);
var migrator_1_2 = BuildMigration(1, 2);
var migrator = new Migrator(new InMemoryStatus(), new[] { migrator_0_1, migrator_1_2 }, log)
{
LockWaitMs = 2
};
await Task.WhenAll(Enumerable.Repeat(0, 10).Select(x => Task.Run(migrator.MigrateAsync)));
A.CallTo(() => migrator_0_1.UpdateAsync()).MustHaveHappened(Repeated.Exactly.Once);
A.CallTo(() => migrator_1_2.UpdateAsync()).MustHaveHappened(Repeated.Exactly.Once);
}
public async Task Should_migrate_step_by_step()
{
var migrator_0_1 = BuildMigration(0, 1);
var migrator_1_2 = BuildMigration(1, 2);
var migrator_2_3 = BuildMigration(2, 3);
var migrator = new Migrator(status, new[] { migrator_0_1, migrator_1_2, migrator_2_3 }, log);
await migrator.MigrateAsync();
A.CallTo(() => migrator_0_1.UpdateAsync()).MustHaveHappened();
A.CallTo(() => migrator_1_2.UpdateAsync()).MustHaveHappened();
A.CallTo(() => migrator_2_3.UpdateAsync()).MustHaveHappened();
A.CallTo(() => status.UnlockAsync(3)).MustHaveHappened();
}
public async Task Should_migrate_step_by_step()
{
var migrator_0_1 = BuildMigration(0, 1);
var migrator_1_2 = BuildMigration(1, 2);
var migrator_2_3 = BuildMigration(2, 3);
var migrator = new Migrator(status, new[] { migrator_0_1, migrator_1_2, migrator_2_3 }, log);
await migrator.MigrateAsync();
A.CallTo(() => migrator_0_1.UpdateAsync(A <IEnumerable <IMigration> > .That.IsEmpty())).MustHaveHappened();
A.CallTo(() => migrator_1_2.UpdateAsync(A <IEnumerable <IMigration> > .That.IsSameSequenceAs(migrator_0_1))).MustHaveHappened();
A.CallTo(() => migrator_2_3.UpdateAsync(A <IEnumerable <IMigration> > .That.IsSameSequenceAs(migrator_0_1, migrator_1_2))).MustHaveHappened();
A.CallTo(() => status.UnlockAsync(3)).MustHaveHappened();
}
public async Task Should_unlock_when_failed()
{
var migrator_0_1 = BuildMigration(0, 1);
var migrator_1_2 = BuildMigration(1, 2);
var migrator_2_3 = BuildMigration(2, 3);
var migrator = new Migrator(status, new[] { migrator_0_1, migrator_1_2, migrator_2_3 }, log);
A.CallTo(() => migrator_1_2.UpdateAsync()).Throws(new ArgumentException());
await Assert.ThrowsAsync <ArgumentException>(migrator.MigrateAsync);
A.CallTo(() => migrator_0_1.UpdateAsync()).MustHaveHappened();
A.CallTo(() => migrator_1_2.UpdateAsync()).MustHaveHappened();
A.CallTo(() => migrator_2_3.UpdateAsync()).MustNotHaveHappened();
A.CallTo(() => status.UnlockAsync(1)).MustHaveHappened();
}