IEnumerable<Tuple<Action<DataServiceContext, SaveChangesOptions>, List<Version>, string>> GetSetLinkTests()
{
// set link to attached objects, for non-derived property
yield return new Tuple<Action<DataServiceContext, SaveChangesOptions>, List<Version>, string>(
(ctx, saveChangeOption) =>
{
Employee pratik = new Employee { ID = 3 };
Employee marcelo = new Employee { ID = 6 };
ctx.AttachTo("People", pratik);
ctx.AttachTo("People", marcelo);
ctx.SetLink(pratik, "BestFriend", marcelo);
ctx.SaveChanges(saveChangeOption);
var query = ctx.CreateQuery<Person>("People").Expand(p => p.BestFriend).Where(p => p.ID == 3);
ctx.MergeOption = MergeOption.OverwriteChanges;
Person person = query.Single();
Assert.AreEqual(3, person.ID);
Assert.AreEqual(person, pratik);
Assert.AreEqual(6, marcelo.ID);
Assert.AreEqual(marcelo, pratik.BestFriend);
Assert.AreEqual(pratik, (Person)ctx.Links.Single().Source);
Assert.AreEqual(marcelo, (Person)ctx.Links.Single().Target);
},
new List<Version>() { V4, V4 },
null);
// set link to retrieved objects, for non-derived property
yield return new Tuple<Action<DataServiceContext, SaveChangesOptions>, List<Version>, string>(
(ctx, saveChangeOption) =>
{
var query = ctx.CreateQuery<Person>("People").Where(p => p.ID == 3);
Employee pratik = (Employee)query.Single();
Employee marcelo = new Employee { ID = 6 };
ctx.AttachTo("People", marcelo);
ctx.SetLink(pratik, "BestFriend", marcelo);
ctx.SaveChanges(saveChangeOption);
query = ctx.CreateQuery<Person>("People").Expand(p => p.BestFriend).Where(p => p.ID == 3);
ctx.MergeOption = MergeOption.OverwriteChanges;
Person person = query.Single();
Assert.AreEqual(3, person.ID);
Assert.AreEqual(pratik, person);
Assert.AreEqual(6, marcelo.ID);
Assert.AreEqual(marcelo, pratik.BestFriend);
Assert.AreEqual(pratik, (Person)ctx.Links.Single().Source);
Assert.AreEqual(marcelo, (Person)ctx.Links.Single().Target);
},
new List<Version>() { V4, V4, V4 },
null);
// set link to newly added objects, for non-derived property
yield return new Tuple<Action<DataServiceContext, SaveChangesOptions>, List<Version>, string>(
(ctx, saveChangesOption) =>
{
Person p100 = new Person { ID = 100 };
Person p101 = new Person { ID = 101 };
ctx.AddObject("People", p100);
ctx.AddObject("People", p101);
ctx.SetLink(p100, "BestFriend", p101);
ctx.SaveChanges(saveChangesOption);
var query = ctx.CreateQuery<Person>("People").Expand(p => p.BestFriend).Where(p => p.ID == 100);
ctx.MergeOption = MergeOption.OverwriteChanges;
Person person = query.Single();
Assert.AreEqual(100, person.ID);
Assert.AreEqual(p100, person);
Assert.AreEqual(101, p101.ID);
Assert.AreEqual(p101, p100.BestFriend);
Assert.AreEqual(p100, (Person)ctx.Links.Single().Source);
Assert.AreEqual(p101, (Person)ctx.Links.Single().Target);
},
new List<Version>() { V4, V4, V4, V4 },
null);
// set link to existing objects, for derived property
yield return new Tuple<Action<DataServiceContext, SaveChangesOptions>, List<Version>, string>(
(ctx, saveChangesOption) =>
{
Employee pratik = null;
var query = ctx.CreateQuery<Person>("People").Where(p => p.ID == 3);
foreach (Person p in query)
{
pratik = (Employee)p;
Assert.IsTrue(ctx.GetEntityDescriptor(p).EditLink.OriginalString.EndsWith(typeof(Employee).FullName), "href for edit link did not end with type name");
}
PeopleManager shyam = new PeopleManager { ID = 5 };
ctx.AttachTo("People", shyam);
ctx.SetLink(pratik, "Manager", shyam);
ctx.SaveChanges(saveChangesOption);
query = ctx.CreateQuery<Person>("People").Expand(p => (p as Employee).Manager).Where(p => p.ID == 3);
ctx.MergeOption = MergeOption.OverwriteChanges;
Person person = query.Single();
Assert.AreEqual(3, person.ID);
Assert.AreEqual(pratik, person);
Assert.AreEqual(5, shyam.ID);
Assert.AreEqual(shyam, pratik.Manager);
Assert.AreEqual(pratik, ctx.Links.Single().Source);
Assert.AreEqual(shyam, ctx.Links.Single().Target);
},
new List<Version>() { V4, V4, V4 },
null);
// set link to existing objects, for derived property, should fail for attach
yield return new Tuple<Action<DataServiceContext, SaveChangesOptions>, List<Version>, string>(
(ctx, saveChangesOption) =>
{
Employee pratik = new Employee { ID = 3 };
PeopleManager shyam = new PeopleManager { ID = 5 };
ctx.AttachTo("People", pratik);
ctx.AttachTo("People", shyam);
ctx.SetLink(pratik, "Manager", shyam);
try
{
ctx.SaveChanges(saveChangesOption);
Assert.Fail("Exception expected but received none.");
}
catch (DataServiceRequestException e)
{
t.TestUtil.AssertContains(e.InnerException.Message, "Resource not found for the segment 'Manager'.");
}
},
new List<Version>() { V4 },
null);
// set link to null, for derived property
yield return new Tuple<Action<DataServiceContext, SaveChangesOptions>, List<Version>, string>(
(ctx, saveChangesOption) =>
{
Employee pratik = null;
var query = ctx.CreateQuery<Person>("People").Where(p => p.ID == 3);
foreach (Person p in query)
{
pratik = (Employee)p;
Assert.IsTrue(ctx.GetEntityDescriptor(p).EditLink.OriginalString.EndsWith(typeof(Employee).FullName), "href for edit link did not end with type name");
}
ctx.SetLink(pratik, "Manager", null);
ctx.SaveChanges(saveChangesOption);
query = ctx.CreateQuery<Person>("People").Expand(p => (p as Employee).Manager).Where(p => p.ID == 3);
ctx.MergeOption = MergeOption.OverwriteChanges;
Person person = query.Single();
Assert.AreEqual(3, person.ID);
Assert.AreEqual(pratik, person);
Assert.IsNull(pratik.Manager);
Assert.AreEqual(pratik, ctx.Links.Single().Source);
Assert.IsNull(ctx.Links.Single().Target);
},
new List<Version>() { V4, V4, V4 },
null);
// set link to newly added objects, for derived property
yield return new Tuple<Action<DataServiceContext, SaveChangesOptions>, List<Version>, string>(
(ctx, saveChangesOption) =>
{
Employee p100 = new Employee { ID = 100 };
p100.Skills = new List<string>();
p100.Vacations = new List<Vacation>();
PeopleManager p101 = new PeopleManager { ID = 101 };
p101.Skills = new List<string>();
p101.Vacations = new List<Vacation>();
ctx.AddObject("People", p100);
ctx.AddObject("People", p101);
ctx.SetLink(p100, "Manager", p101);
ctx.SaveChanges(saveChangesOption);
var query = ctx.CreateQuery<Person>("People").Expand(p => (p as Employee).Manager).Where(p => p.ID == 100);
ctx.MergeOption = MergeOption.OverwriteChanges;
Person person = query.Single();
Assert.AreEqual(100, person.ID);
Assert.AreEqual(p100, person);
Assert.AreEqual(101, p101.ID);
Assert.AreEqual(p101, p100.Manager);
Assert.AreEqual(p100, ctx.Links.Single().Source);
Assert.AreEqual(p101, ctx.Links.Single().Target);
},
new List<Version>() { V4 /*b/c of collection properties*/, V4 /*b/c of collection properties*/, V4, V4 },
null);
// set link to newly added objects, for derived property with link folding
yield return new Tuple<Action<DataServiceContext, SaveChangesOptions>, List<Version>, string>(
(ctx, saveChangesOption) =>
{
Employee p100 = new Employee { ID = 100 };
p100.Skills = new List<string>();
p100.Vacations = new List<Vacation>();
PeopleManager p101 = new PeopleManager { ID = 101 };
p101.Skills = new List<string>();
p101.Vacations = new List<Vacation>();
ctx.AddObject("People", p101);
ctx.AddObject("People", p100);
ctx.SetLink(p100, "Manager", p101);
ctx.SaveChanges(saveChangesOption);
var query = ctx.CreateQuery<Person>("People").Expand(p => (p as Employee).Manager).Where(p => p.ID == 100);
ctx.MergeOption = MergeOption.OverwriteChanges;
Person person = query.Single();
Assert.AreEqual(100, person.ID);
Assert.AreEqual(p100, person);
Assert.AreEqual(101, p101.ID);
Assert.AreEqual(p101, p100.Manager);
Assert.AreEqual(p100, ctx.Links.Single().Source);
Assert.AreEqual(p101, ctx.Links.Single().Target);
},
new List<Version>() { V4 /*b/c of collection properties*/, V4 /*b/c of collection properties*/, V4 },
null);
}
IEnumerable<Tuple<Action<DataServiceContext, SaveChangesOptions>, List<Version>, string>> GetDeleteLinkTests()
{
// delete link to attached objects, for non-derived property
yield return new Tuple<Action<DataServiceContext, SaveChangesOptions>, List<Version>, string>(
(ctx, saveChangeOption) =>
{
Employee pratik = new Employee { ID = 3 };
Person p1 = new Person { ID = 1 };
ctx.AttachTo("People", pratik);
ctx.AttachTo("People", p1);
ctx.DeleteLink(pratik, "Friends", p1);
ctx.SaveChanges(saveChangeOption);
var query = ctx.CreateQuery<Person>("People").Expand(p => p.Friends).Where(p => p.ID == 3);
ctx.MergeOption = MergeOption.OverwriteChanges;
Person person = query.Single();
Assert.AreEqual(3, person.ID);
Assert.AreEqual(pratik, person);
Assert.IsFalse(pratik.Friends.Any());
Assert.AreEqual(0, ctx.Links.Count());
},
new List<Version>() { V4, V4 },
null);
// delete link to retrieved objects, for non-derived property
yield return new Tuple<Action<DataServiceContext, SaveChangesOptions>, List<Version>, string>(
(ctx, saveChangeOption) =>
{
var query = ctx.CreateQuery<Person>("People").Where(p => p.ID == 3);
Employee pratik = (Employee)query.Single();
Person p1 = new Person { ID = 1 };
ctx.AttachTo("People", p1);
ctx.DeleteLink(pratik, "Friends", p1);
ctx.SaveChanges(saveChangeOption);
query = ctx.CreateQuery<Person>("People").Expand(p => p.Friends).Where(p => p.ID == 3);
ctx.MergeOption = MergeOption.OverwriteChanges;
Person person = query.Single();
Assert.AreEqual(3, person.ID);
Assert.AreEqual(pratik, person);
Assert.IsFalse(pratik.Friends.Any());
Assert.AreEqual(0, ctx.Links.Count());
},
new List<Version>() { V4, V4, V4 },
null);
// delete link to retrieved object, for derived property
yield return new Tuple<Action<DataServiceContext, SaveChangesOptions>, List<Version>, string>(
(ctx, saveChangesOption) =>
{
Employee marcelo = null;
var query = ctx.CreateQuery<Person>("People").Where(p => p.ID == 6);
foreach (Person p in query)
{
marcelo = (Employee)p;
Assert.IsTrue(ctx.GetEntityDescriptor(p).EditLink.OriginalString.EndsWith(typeof(Employee).FullName), "href for edit link did not end with type name");
}
PeopleManager andy = new PeopleManager { ID = 2 };
ctx.AttachTo("People", andy);
ctx.DeleteLink(marcelo, "Colleagues", andy);
ctx.SaveChanges(saveChangesOption);
query = ctx.CreateQuery<Person>("People").Expand(p => (p as Employee).Colleagues).Where(p => p.ID == 6);
ctx.MergeOption = MergeOption.OverwriteChanges;
Person person = query.Single();
Assert.AreEqual(6, person.ID);
Assert.AreEqual(marcelo, person);
Assert.IsFalse(marcelo.Colleagues.Any());
Assert.AreEqual(0, ctx.Links.Count());
},
new List<Version>() { V4, V4, V4 },
null);
// Delete newly added links, for derived property with link folding
yield return new Tuple<Action<DataServiceContext, SaveChangesOptions>, List<Version>, string>(
(ctx, saveChangesOption) =>
{
ctx.Format.UseJson(this.LoadModelFromString());
PeopleManager shyam = new PeopleManager { ID = 5 };
Employee marcelo = new Employee { ID = 6 };
ctx.AttachTo("People", shyam);
ctx.AttachTo("People", marcelo);
ctx.DeleteLink(shyam, "DirectReports", marcelo);
ctx.SaveChanges(saveChangesOption);
var query = ctx.CreateQuery<Person>("People").Expand(p => (p as PeopleManager).DirectReports).Where(p => p.ID == 5);
ctx.MergeOption = MergeOption.OverwriteChanges;
Person person = query.Single();
Assert.AreEqual(5, person.ID);
Assert.AreEqual(shyam, person);
Assert.AreEqual(6, marcelo.ID);
Assert.AreEqual(1, ctx.Links.Count());
},
new List<Version>() { V4 , V4 },
null);
}
IEnumerable<Tuple<Action<DataServiceContext, SaveChangesOptions>, List<Version>, string>> GetAddLinkTests()
{
// add link to attached objects, for non-derived property
yield return new Tuple<Action<DataServiceContext, SaveChangesOptions>, List<Version>, string>(
(ctx, saveChangeOption) =>
{
Employee pratik = new Employee { ID = 3 };
Employee marcelo = new Employee { ID = 6 };
ctx.AttachTo("People", pratik);
ctx.AttachTo("People", marcelo);
ctx.AddLink(pratik, "Friends", marcelo);
ctx.SaveChanges(saveChangeOption);
var query = ctx.CreateQuery<Person>("People").Expand(p => p.Friends).Where(p => p.ID == 3);
ctx.MergeOption = MergeOption.OverwriteChanges;
Person person = query.Single();
Assert.AreEqual(3, person.ID);
Assert.AreEqual(pratik, person);
Assert.AreEqual(6, marcelo.ID);
Assert.IsNotNull(pratik.Friends.Single(f => f == marcelo));
Assert.AreEqual(2, ctx.Links.Where(l => l.Source == pratik).Count());
Assert.IsNotNull(ctx.Links.Single(l => l.Target == marcelo));
},
new List<Version>() { V4, V4 },
null);
// add link to retrieved objects, for non-derived property
yield return new Tuple<Action<DataServiceContext, SaveChangesOptions>, List<Version>, string>(
(ctx, saveChangeOption) =>
{
var query = ctx.CreateQuery<Person>("People").Where(p => p.ID == 3);
Employee pratik = (Employee)query.Single();
Employee marcelo = new Employee { ID = 6 };
ctx.AttachTo("People", marcelo);
ctx.AddLink(pratik, "Friends", marcelo);
ctx.SaveChanges(saveChangeOption);
query = ctx.CreateQuery<Person>("People").Expand(p => p.Friends).Where(p => p.ID == 3);
ctx.MergeOption = MergeOption.OverwriteChanges;
Person person = query.Single();
Assert.AreEqual(3, person.ID);
Assert.AreEqual(pratik, person);
Assert.AreEqual(6, marcelo.ID);
Assert.IsNotNull(pratik.Friends.Single(f => f == marcelo));
Assert.AreEqual(2, ctx.Links.Where(l => l.Source == pratik).Count());
Assert.IsNotNull(ctx.Links.Single(l => l.Target == marcelo));
},
new List<Version>() { V4, V4, V4 },
null);
// add link to newly added objects, for non-derived property
yield return new Tuple<Action<DataServiceContext, SaveChangesOptions>, List<Version>, string>(
(ctx, saveChangesOption) =>
{
Person p100 = new Person { ID = 100 };
Person p101 = new Person { ID = 101 };
ctx.AddObject("People", p100);
ctx.AddObject("People", p101);
ctx.AddLink(p100, "Friends", p101);
ctx.SaveChanges(saveChangesOption);
var query = ctx.CreateQuery<Person>("People").Expand(p => p.Friends).Where(p => p.ID == 100);
ctx.MergeOption = MergeOption.OverwriteChanges;
Person person = query.Single();
Assert.AreEqual(100, person.ID);
Assert.AreEqual(p100, person);
Assert.AreEqual(101, p101.ID);
Assert.AreEqual(p101, p100.Friends.Single());
Assert.AreEqual(p100, (Person)ctx.Links.Single().Source);
Assert.AreEqual(p101, (Person)ctx.Links.Single().Target);
},
new List<Version>() { V4, V4, V4, V4 },
null);
// add link to existing objects, for derived property
yield return new Tuple<Action<DataServiceContext, SaveChangesOptions>, List<Version>, string>(
(ctx, saveChangesOption) =>
{
PeopleManager shyam = null;
var query = ctx.CreateQuery<Person>("People").Where(p => p.ID == 5);
foreach (Person p in query)
{
shyam = (PeopleManager)p;
Assert.IsTrue(ctx.GetEntityDescriptor(p).EditLink.OriginalString.EndsWith(typeof(PeopleManager).FullName), "href for edit link did not end with type name");
}
Employee marcelo = new Employee { ID = 6 };
ctx.AttachTo("People", marcelo);
ctx.AddLink(shyam, "Colleagues", marcelo);
ctx.SaveChanges(saveChangesOption);
query = ctx.CreateQuery<Person>("People").Expand(p => (p as Employee).Colleagues).Where(p => p.ID == 5);
ctx.MergeOption = MergeOption.OverwriteChanges;
Person person = query.Single();
Assert.AreEqual(5, person.ID);
Assert.AreEqual(shyam, person);
Assert.AreEqual(6, marcelo.ID);
Assert.AreEqual(marcelo, shyam.Colleagues.Single(e => e.ID == 6));
Assert.IsNotNull(ctx.Links.SingleOrDefault(l => l.SourceProperty == "Colleagues" && l.Source == shyam && l.Target == marcelo));
},
new List<Version>() { V4, V4, V4 },
null);
// add link to newly added objects, for derived property with link folding
yield return new Tuple<Action<DataServiceContext, SaveChangesOptions>, List<Version>, string>(
(ctx, saveChangesOption) =>
{
ctx.Format.UseJson(this.LoadModelFromString());
PeopleManager shyam = new PeopleManager { ID = 5 };
Employee pratik = new Employee { ID = 3 };
ctx.AttachTo("People", shyam);
ctx.AttachTo("People", pratik);
ctx.AddLink(shyam, "DirectReports", pratik);
ctx.SaveChanges(saveChangesOption);
var query = ctx.CreateQuery<Person>("People").Expand(p => (p as PeopleManager).DirectReports).Where(p => p.ID == 5);
ctx.MergeOption = MergeOption.OverwriteChanges;
Person person = query.Single();
Assert.AreEqual(shyam.ID, person.ID);
Assert.AreEqual(shyam, person);
Assert.AreEqual(3, pratik.ID);
Assert.AreEqual(pratik, shyam.DirectReports.FirstOrDefault(l => l.ID == 3));
Assert.IsNotNull(ctx.Links.SingleOrDefault(l => l.SourceProperty == "DirectReports" && l.Source == shyam && l.Target == pratik));
},
new List<Version>() { V4, V4},
null);
// add link to newly added objects, for derived property
yield return new Tuple<Action<DataServiceContext, SaveChangesOptions>, List<Version>, string>(
(ctx, saveChangesOption) =>
{
PeopleManager p100 = new PeopleManager { ID = 100 };
p100.Skills = new List<string>();
p100.Vacations = new List<Vacation>();
Employee p101 = new Employee { ID = 101 };
p101.Skills = new List<string>();
p101.Vacations = new List<Vacation>();
ctx.AddObject("People", p100);
ctx.AddObject("People", p101);
ctx.AddLink(p100, "Colleagues", p101);
ctx.SaveChanges(saveChangesOption);
var query = ctx.CreateQuery<Person>("People").Expand(p => (p as Employee).Colleagues).Where(p => p.ID == 100);
ctx.MergeOption = MergeOption.OverwriteChanges;
Person person = query.Single();
Assert.AreEqual(100, person.ID);
Assert.AreEqual(p100, person);
Assert.AreEqual(101, p101.ID);
Assert.AreEqual(p101, p100.Colleagues.Single());
Assert.IsNotNull(ctx.Links.SingleOrDefault(l => l.SourceProperty == "Colleagues" && l.Source == p100 && l.Target == p101));
},
new List<Version>() { V4 /*b/c of collection properties*/, V4 /*b/c of collection properties*/, V4, V4 },
null);
// add link to newly added objects, for derived property with link folding
yield return new Tuple<Action<DataServiceContext, SaveChangesOptions>, List<Version>, string>(
(ctx, saveChangesOption) =>
{
PeopleManager p100 = new PeopleManager { ID = 100 };
p100.Skills = new List<string>();
p100.Vacations = new List<Vacation>();
Employee p101 = new Employee { ID = 101 };
p101.Skills = new List<string>();
p101.Vacations = new List<Vacation>();
ctx.AddObject("People", p101);
ctx.AddObject("People", p100);
ctx.AddLink(p100, "Colleagues", p101);
ctx.SaveChanges(saveChangesOption);
var query = ctx.CreateQuery<Person>("People").Expand(p => (p as Employee).Colleagues).Where(p => p.ID == 100);
ctx.MergeOption = MergeOption.OverwriteChanges;
Person person = query.Single();
Assert.AreEqual(100, person.ID);
Assert.AreEqual(p100, person);
Assert.AreEqual(101, p101.ID);
Assert.AreEqual(p101, p100.Colleagues.Single());
Assert.IsNotNull(ctx.Links.SingleOrDefault(l => l.SourceProperty == "Colleagues" && l.Source == p100 && l.Target == p101));
},
new List<Version>() { V4 /*b/c of collection properties*/, V4 /*b/c of collection properties*/, V4 },
null);
}