public async Task TestAccessCosmosEmulatorUniqueToMethod()
{
//SETUP
var options = this.CreateUniqueMethodCosmosDbEmulator
<CosmosDbContext>();
using var context = new CosmosDbContext(options);
await context.Database.EnsureDeletedAsync();
await context.Database.EnsureCreatedAsync();
//ATTEMPT
var book = new CosmosBook
{
BookId = 123,
Title = "Test",
Tags = new List <CosmosTag> {
new CosmosTag("Tag1"), new CosmosTag("Tag2")
}
};
context.Add(book);
await context.SaveChangesAsync();
//VERIFY
context.ChangeTracker.Clear();
var readBook = await context.Books.SingleAsync();
readBook.BookId.ShouldEqual(123);
readBook.Tags.Select(x => x.TagId).ShouldEqual(new[] { "Tag1", "Tag2" });
}
public async Task TestAddCosmosBookHowToUpdateOk()
{
//SETUP
var options = this.GetCosmosDbToEmulatorOptions <CosmosDbContext>();
using (var context = new CosmosDbContext(options))
{
await context.Database.EnsureDeletedAsync();
await context.Database.EnsureCreatedAsync();
var cBook = new CosmosBook {
CosmosBookId = 1, Title = "Book1"
};
context.Add(cBook);
await context.SaveChangesAsync();
}
using (var context = new CosmosDbContext(options))
{
//ATTEMPT
var cBook = await context.Books.FindAsync(1); //You must read to get the "id"
cBook.Title = "Book2";
await context.SaveChangesAsync();
}
using (var context = new CosmosDbContext(options))
{
//VERIFY
context.Books.Find(1).Title.ShouldEqual("Book2");
}
}
public async Task TestAddCosmosBookWithReviewsOk()
{
//SETUP
var options = this.GetCosmosDbToEmulatorOptions <CosmosDbContext>();
using var context = new CosmosDbContext(options);
await context.Database.EnsureDeletedAsync();
await context.Database.EnsureCreatedAsync();
//ATTEMPT
var cBook = new CosmosBook
{
CosmosBookId = 1, //NOTE: You have to provide a key value!
Title = "Book Title",
PublishedDate = new DateTime(2019, 1, 1),
Reviews = new List <CosmosReview>
{
new CosmosReview {
Comment = "Great!", NumStars = 5, VoterName = "Reviewer1"
},
new CosmosReview {
Comment = "Hated it", NumStars = 1, VoterName = "Reviewer2"
}
}
};
context.Add(cBook);
await context.SaveChangesAsync();
//VERIFY
(await context.Books.FindAsync(1)).Reviews.Count.ShouldEqual(2);
}
public async Task TestAddCosmosBookAddSameKeyOk()
{
//SETUP
var options = this.GetCosmosDbToEmulatorOptions <CosmosDbContext>();
using (var context = new CosmosDbContext(options))
{
await context.Database.EnsureDeletedAsync();
await context.Database.EnsureCreatedAsync();
var cBook = new CosmosBook {
CosmosBookId = 1, Title = "Book1"
};
context.Add(cBook);
await context.SaveChangesAsync();
}
using (var context = new CosmosDbContext(options))
{
//ATTEMPT
var cBook = new CosmosBook {
CosmosBookId = 1, Title = "Book2"
};
context.Add(cBook);
context.Entry(cBook).State.ShouldEqual(EntityState.Added);
var ex = await Assert.ThrowsAsync <CosmosException>(async() => await context.SaveChangesAsync());
//VERIFY
ex.Message.ShouldContain("Resource with specified id or name already exists.");
}
using (var context = new CosmosDbContext(options))
{
context.Books.Find(1).Title.ShouldEqual("Book1");
}
}
private async Task AddDummyCosmosBook(int bookId)
{
var dummyCosmosBook = new CosmosBook {
BookId = bookId, Title = "dummy"
};
_cosmosContext.Add(dummyCosmosBook);
await _cosmosContext.SaveChangesAsync();
_cosmosContext.ChangeTracker.Clear();
}
public virtual async Task <T> AddAsync <T>(T item, CancellationToken token = default) where T : class
{
using (var context = new CosmosDbContext(_settings))
{
context.Add(item);
if (await context.SaveChangesAsync(token) == 1)
{
return(item);
}
;
throw new DbAddFailedException();
}
}
public async Task TestAddCosmosBookHaveToSetKeyOk()
{
//SETUP
var options = this.GetCosmosDbToEmulatorOptions <CosmosDbContext>();
using (var context = new CosmosDbContext(options))
{
await context.Database.EnsureCreatedAsync();
//ATTEMPT
var cBook = new CosmosBook {
CosmosBookId = 0, Title = "Book"
};
var ex = Assert.Throws <NotSupportedException>(() => context.Add(cBook));
//VERIFY
ex.Message.ShouldStartWith("The 'CosmosBookId' on entity type 'CosmosBook' does not have a value set and no value generator is available for properties of type 'int'.");
}
}
public async Task AddCosmosBookAsync(int bookId)
{
if (CosmosNotConfigured)
{
return;
}
var cosmosBook = await MapBookToCosmosBookAsync(bookId);
if (cosmosBook != null)
{
_cosmosContext.Add(cosmosBook);
await CosmosSaveChangesWithChecksAsync
(WhatDoing.Adding, bookId);
}
else
{
await DeleteCosmosBookAsync(bookId);
}
}