public async Task multi_stream_projections_should_work()
{
// --------------------------------
// Create Groups
// --------------------------------
// Regular Users
// Admin Users
// --------------------------------
var regularUsersGroupCreated = new UserGroupCreated(Guid.NewGuid(), "Regular Users");
theSession.Events.Append(regularUsersGroupCreated.GroupId, regularUsersGroupCreated);
var adminUsersGroupCreated = new UserGroupCreated(Guid.NewGuid(), "Admin Users");
theSession.Events.Append(adminUsersGroupCreated.GroupId, adminUsersGroupCreated);
await theSession.SaveChangesAsync();
// --------------------------------
// Create Users
// --------------------------------
// Anna
// John
// Maggie
// Alan
// --------------------------------
var annaRegistered = new UserRegistered(Guid.NewGuid(), "Anna");
theSession.Events.Append(annaRegistered.UserId, annaRegistered);
var johnRegistered = new UserRegistered(Guid.NewGuid(), "John");
theSession.Events.Append(johnRegistered.UserId, johnRegistered);
var maggieRegistered = new UserRegistered(Guid.NewGuid(), "Maggie");
theSession.Events.Append(maggieRegistered.UserId, maggieRegistered);
var alanRegistered = new UserRegistered(Guid.NewGuid(), "Alan");
theSession.Events.Append(alanRegistered.UserId, alanRegistered);
await theSession.SaveChangesAsync();
// --------------------------------
// Assign users to Groups
// --------------------------------
// Anna, Maggie => Admin
// John, Alan => Regular
// --------------------------------
var annaAssignedToAdminUsersGroup = new SingleUserAssignedToGroup(adminUsersGroupCreated.GroupId,
annaRegistered.UserId);
var maggieAssignedToAdminUsersGroup = new SingleUserAssignedToGroup(adminUsersGroupCreated.GroupId,
maggieRegistered.UserId);
theSession.Events.Append(
adminUsersGroupCreated.GroupId,
annaAssignedToAdminUsersGroup,
maggieAssignedToAdminUsersGroup
);
var johnAssignedToRegularUsersGroup = new SingleUserAssignedToGroup(regularUsersGroupCreated.GroupId,
johnRegistered.UserId);
var alanAssignedToRegularUsersGroup = new SingleUserAssignedToGroup(regularUsersGroupCreated.GroupId,
alanRegistered.UserId);
theSession.Events.Append(
regularUsersGroupCreated.GroupId,
johnAssignedToRegularUsersGroup,
alanAssignedToRegularUsersGroup
);
await theSession.SaveChangesAsync();
// --------------------------------
// Check users' groups assignment
// --------------------------------
// Anna, Maggie => Admin
// John, Alan => Regular
// --------------------------------
var annaGroupAssignment = await theSession.LoadAsync <UserGroupsAssignment>(annaRegistered.UserId);
annaGroupAssignment.ShouldNotBeNull();
annaGroupAssignment.Id.ShouldBe(annaRegistered.UserId);
annaGroupAssignment.Groups.ShouldHaveTheSameElementsAs(adminUsersGroupCreated.GroupId);
var maggieGroupAssignment = await theSession.LoadAsync <UserGroupsAssignment>(maggieRegistered.UserId);
maggieGroupAssignment.ShouldNotBeNull();
maggieGroupAssignment.Id.ShouldBe(maggieRegistered.UserId);
maggieGroupAssignment.Groups.ShouldHaveTheSameElementsAs(adminUsersGroupCreated.GroupId);
var johnGroupAssignment = await theSession.LoadAsync <UserGroupsAssignment>(johnRegistered.UserId);
johnGroupAssignment.ShouldNotBeNull();
johnGroupAssignment.Id.ShouldBe(johnRegistered.UserId);
johnGroupAssignment.Groups.ShouldHaveTheSameElementsAs(regularUsersGroupCreated.GroupId);
var alanGroupAssignment = await theSession.LoadAsync <UserGroupsAssignment>(alanRegistered.UserId);
alanGroupAssignment.ShouldNotBeNull();
alanGroupAssignment.Id.ShouldBe(alanRegistered.UserId);
alanGroupAssignment.Groups.ShouldHaveTheSameElementsAs(regularUsersGroupCreated.GroupId);
}
public void Apply(SingleUserAssignedToGroup @event, UserGroupsAssignment view) => view.Groups.Add(@event.GroupId);
