public void Throws_if_no_provider_services_have_been_registered_using_implicit_service_provider()
{
var selector = new DatabaseProviderSelector(
Mock.Of <IServiceProvider>(),
Mock.Of <IDbContextOptions>(),
null);
Assert.Equal(CoreStrings.NoProviderConfigured,
Assert.Throws <InvalidOperationException>(
() => selector.SelectServices(ServiceProviderSource.Implicit)).Message);
}
public void Selects_single_configured_provider()
{
var provider = CreateSource("Database1", configured: true, available: false);
var serviceProvider = Mock.Of <IServiceProvider>();
var selector = new DatabaseProviderSelector(
serviceProvider,
Mock.Of <IDbContextOptions>(),
new[] { provider });
Assert.Same(provider.GetProviderServices(serviceProvider), selector.SelectServices(ServiceProviderSource.Explicit));
}
public void Throws_if_one_provider_service_is_registered_but_not_configured_and_cannot_be_used_without_configuration()
{
var provider = CreateSource("Database1", configured: false, available: false);
var selector = new DatabaseProviderSelector(
Mock.Of <IServiceProvider>(),
Mock.Of <IDbContextOptions>(),
new[] { provider });
Assert.Equal(CoreStrings.NoProviderConfigured,
Assert.Throws <InvalidOperationException>(
() => selector.SelectServices(ServiceProviderSource.Explicit)).Message);
}
public void Throws_if_multiple_provider_services_are_registered_but_none_are_configured()
{
var provider1 = CreateSource("Database1", configured: false, available: true);
var provider2 = CreateSource("Database2", configured: false, available: false);
var provider3 = CreateSource("Database3", configured: false, available: false);
var selector = new DatabaseProviderSelector(
Mock.Of <IServiceProvider>(),
Mock.Of <IDbContextOptions>(),
new[] { provider1, provider2, provider3 });
Assert.Equal(CoreStrings.MultipleProvidersAvailable("'Database1' 'Database2' 'Database3' "),
Assert.Throws <InvalidOperationException>(
() => selector.SelectServices(ServiceProviderSource.Explicit)).Message);
}