public async Task Can_use_one_context_nested_inside_another_of_the_same_type()
{
using (SqlCeNorthwindContext.GetSharedStore())
{
var serviceProvider = new ServiceCollection()
.AddEntityFrameworkSqlCe()
.BuildServiceProvider();
using (var context1 = new NorthwindContext(serviceProvider))
{
var customers1 = await context1.Customers.ToListAsync();
Assert.Equal(91, customers1.Count);
Assert.Equal(91, context1.ChangeTracker.Entries().Count());
using (var context2 = new NorthwindContext(serviceProvider))
{
Assert.Equal(0, context2.ChangeTracker.Entries().Count());
var customers2 = await context2.Customers.ToListAsync();
Assert.Equal(91, customers2.Count);
Assert.Equal(91, context2.ChangeTracker.Entries().Count());
Assert.Equal(customers1[0].CustomerID, customers2[0].CustomerID);
Assert.NotSame(customers1[0], customers2[0]);
}
}
}
}
private static IServiceProvider BuildServiceProvider <TContext>(int poolSize = 32)
where TContext : DbContext
=> new ServiceCollection()
.AddEntityFrameworkSqlCe()
.AddDbContextPool <TContext>(
ob => ob.UseSqlCe(SqlCeNorthwindContext.GetSharedStore().ConnectionString),
poolSize)
.BuildServiceProvider();
public async Task Can_pass_connection_string_to_constructor_and_use_in_OnConfiguring()
{
using (SqlCeNorthwindContext.GetSharedStore())
{
using (var context = new NorthwindContext(SqlCeNorthwindContext.ConnectionString))
{
Assert.Equal(91, await context.Customers.CountAsync());
}
}
}
public async Task Can_query_with_implicit_services_and_OnConfiguring()
{
using (SqlCeNorthwindContext.GetSharedStore())
{
using (var context = new NorthwindContext())
{
Assert.Equal(91, await context.Customers.CountAsync());
}
}
}
public async Task Can_pass_context_options_to_constructor_and_use_in_builder()
{
using (SqlCeNorthwindContext.GetSharedStore())
{
using (var context = new NorthwindContext(new DbContextOptionsBuilder()
.UseSqlCe(SqlCeNorthwindContext.ConnectionString, b => b.ApplyConfiguration()).Options))
{
Assert.Equal(91, await context.Customers.CountAsync());
}
}
}
public async Task Can_query_with_implicit_services_and_explicit_config()
{
using (SqlCeNorthwindContext.GetSharedStore())
{
using (var context = new NorthwindContext(
new DbContextOptionsBuilder()
.UseSqlCe(SqlCeNorthwindContext.ConnectionString, b => b.ApplyConfiguration()).Options))
{
Assert.Equal(91, await context.Customers.CountAsync());
}
}
}
public async Task Can_register_context_and_configuration_with_DI_container_and_have_both_injected()
{
var serviceProvider = new ServiceCollection()
.AddTransient <MyController>()
.AddTransient <NorthwindContext>()
.AddSingleton(new DbContextOptionsBuilder()
.UseSqlCe(SqlCeNorthwindContext.ConnectionString, b => b.ApplyConfiguration()).Options).BuildServiceProvider();
using (SqlCeNorthwindContext.GetSharedStore())
{
await serviceProvider.GetRequiredService <MyController>().TestAsync();
}
}
public async Task Can_query_with_explicit_services_and_OnConfiguring()
{
using (SqlCeNorthwindContext.GetSharedStore())
{
using (var context = new NorthwindContext(
new DbContextOptionsBuilder().UseInternalServiceProvider(
new ServiceCollection()
.AddEntityFrameworkSqlCe()
.BuildServiceProvider()).Options))
{
Assert.Equal(91, await context.Customers.CountAsync());
}
}
}
public async Task Can_register_context_with_DI_container_and_have_it_injected()
{
var serviceProvider = new ServiceCollection()
.AddEntityFrameworkSqlCe()
.AddTransient <NorthwindContext>()
.AddTransient <MyController>()
.AddSingleton(p => new DbContextOptionsBuilder().UseInternalServiceProvider(p).Options)
.BuildServiceProvider();
using (SqlCeNorthwindContext.GetSharedStore())
{
await serviceProvider.GetRequiredService <MyController>().TestAsync();
}
}
public void Throws_on_attempt_to_use_context_with_no_store()
{
using (SqlCeNorthwindContext.GetSharedStore())
{
Assert.Equal(
CoreStrings.NoProviderConfigured,
Assert.Throws <InvalidOperationException>(() =>
{
using (var context = new NorthwindContext())
{
Assert.Equal(91, context.Customers.Count());
}
}).Message);
}
}
public MappingQuerySqlCeFixture()
{
var serviceProvider = new ServiceCollection()
.AddEntityFrameworkSqlCe()
.AddSingleton <ILoggerFactory>(TestSqlLoggerFactory)
.BuildServiceProvider();
_testDatabase = SqlCeNorthwindContext.GetSharedStore();
var optionsBuilder = new DbContextOptionsBuilder().UseModel(CreateModel());
optionsBuilder
.UseSqlCe(_testDatabase.Connection.ConnectionString)
.UseInternalServiceProvider(serviceProvider);
_options = optionsBuilder.Options;
}
public void Throws_on_attempt_to_use_SQL_Server_without_providing_connection_string()
{
using (SqlCeNorthwindContext.GetSharedStore())
{
Assert.Equal(
CoreStrings.NoProviderConfigured,
Assert.Throws <InvalidOperationException>(() =>
{
using (var context = new NorthwindContext(
new DbContextOptionsBuilder().UseInternalServiceProvider(new ServiceCollection()
.AddEntityFrameworkSqlCe()
.BuildServiceProvider()).Options))
{
Assert.Equal(91, context.Customers.Count());
}
}).Message);
}
}
public void Throws_on_attempt_to_use_store_with_no_store_services()
{
var serviceCollection = new ServiceCollection();
new EntityFrameworkServicesBuilder(serviceCollection).TryAddCoreServices();
var serviceProvider = serviceCollection.BuildServiceProvider();
using (SqlCeNorthwindContext.GetSharedStore())
{
Assert.Equal(
CoreStrings.NoProviderConfigured,
Assert.Throws <InvalidOperationException>(() =>
{
using (var context = new NorthwindContext(
new DbContextOptionsBuilder()
.UseInternalServiceProvider(serviceProvider).Options))
{
Assert.Equal(91, context.Customers.Count());
}
}).Message);
}
}