public async Task CountAsync_NoValues()
{
EntityMapping.RegisterType(typeof(QueryableAsyncModel));
var connection = TestConfiguration.GetConnection();
var context = new MongoDbContext(connection);
var provider = new MongoFrameworkQueryProvider <QueryableAsyncModel>(connection);
var queryable = new MongoFrameworkQueryable <QueryableAsyncModel>(provider);
context.SaveChanges();
var result = await queryable.CountAsync();
Assert.AreEqual(0, result);
}
public async Task CountAsync_WithPredicate()
{
EntityMapping.RegisterType(typeof(QueryableAsyncModel));
var connection = TestConfiguration.GetConnection();
var context = new MongoDbContext(connection);
var provider = new MongoFrameworkQueryProvider <QueryableAsyncModel>(connection);
var queryable = new MongoFrameworkQueryable <QueryableAsyncModel>(provider);
context.ChangeTracker.SetEntityState(new QueryableAsyncModel {
Title = "CountAsync_WithPredicate.1"
}, EntityEntryState.Added);
context.ChangeTracker.SetEntityState(new QueryableAsyncModel {
Title = "CountAsync_WithPredicate.2"
}, EntityEntryState.Added);
context.SaveChanges();
var result = await queryable.CountAsync(e => e.Title == "CountAsync_WithPredicate.2");
Assert.AreEqual(1, result);
}