public async ValueTask <bool> MoveNextAsync()
{
_cancellationToken.ThrowIfCancellationRequested();
if (_jsonReader == null)
{
if (_query == null)
{
_query = _cosmosClient.CreateQuery(_containerId, _cosmosSqlQuery);
}
if (!_query.HasMoreResults)
{
Current = default;
return(false);
}
_responseMessage = await _query.ReadNextAsync(_cancellationToken);
if (!_responseMessage.IsSuccessStatusCode)
{
throw new InvalidOperationException(CosmosStrings.QueryFailed(_responseMessage.StatusCode, _responseMessage.ErrorMessage));
}
_responseStream = _responseMessage.Content;
_reader = new StreamReader(_responseStream);
_jsonReader = new JsonTextReader(_reader);
while (_jsonReader.Read())
{
if (_jsonReader.TokenType == JsonToken.StartObject)
{
while (_jsonReader.Read())
{
if (_jsonReader.TokenType == JsonToken.StartArray)
{
goto ObjectFound;
}
}
}
}
ObjectFound :;
}
while (_jsonReader.Read())
{
if (_jsonReader.TokenType == JsonToken.StartObject)
{
Current = new JsonSerializer().Deserialize <JObject>(_jsonReader);
return(true);
}
}
await DisposeAsync();
return(await MoveNextAsync());
}
public async Task Add_update_delete_query_throws_if_no_container()
{
await using var testDatabase = CosmosTestStore.CreateInitialized(DatabaseName + "Empty");
var options = Fixture.CreateOptions(testDatabase);
var customer = new Customer {
Id = 42, Name = "Theon"
};
using (var context = new CustomerContext(options))
{
context.Add(customer);
Assert.StartsWith(CosmosStrings.CreateItemFailed("NotFound", "Message: {\"Errors\":[\"Resource Not Found\"]}")[..^ 1],
(await Assert.ThrowsAsync <InvalidOperationException>(() => context.SaveChangesAsync())).Message);
}
using (var context = new CustomerContext(options))
{
context.Add(customer).State = EntityState.Modified;
Assert.StartsWith(CosmosStrings.ReplaceItemFailed("NotFound", "Message: {\"Errors\":[\"Resource Not Found\"]}")[..^ 1],
(await Assert.ThrowsAsync <InvalidOperationException>(() => context.SaveChangesAsync())).Message);
}
using (var context = new CustomerContext(options))
{
context.Add(customer).State = EntityState.Deleted;
Assert.StartsWith(CosmosStrings.DeleteItemFailed("NotFound", "Message: {\"Errors\":[\"Resource Not Found\"]}")[..^ 1],
(await Assert.ThrowsAsync <InvalidOperationException>(() => context.SaveChangesAsync())).Message);
}
using (var context = new CustomerContext(options))
{
Assert.StartsWith(CosmosStrings.QueryFailed("NotFound", "Message: {\"Errors\":[\"Resource Not Found\"]}")[..^ 1],
(await Assert.ThrowsAsync <InvalidOperationException>(() => context.Set <Customer>().SingleAsync())).Message);
}
}
