internal DbConfiguration(ResolverChain appConfigChain, ResolverChain normalResolverChain, RootDependencyResolver rootResolver)
{
Contract.Requires(appConfigChain != null);
Contract.Requires(normalResolverChain != null);
_rootResolver = rootResolver;
_resolvers = new CompositeResolver<ResolverChain, ResolverChain>(appConfigChain, normalResolverChain);
_resolvers.Second.Add(_rootResolver);
}
public InternalConfiguration(ResolverChain appConfigChain, ResolverChain normalResolverChain, RootDependencyResolver rootResolver)
{
DebugCheck.NotNull(appConfigChain);
DebugCheck.NotNull(normalResolverChain);
_rootResolver = rootResolver;
_resolvers = new CompositeResolver <ResolverChain, ResolverChain>(appConfigChain, normalResolverChain);
_resolvers.Second.Add(_rootResolver);
}
public void RootResolver_is_added_to_the_non_app_config_resolver_chain()
{
var normalChain = new ResolverChain();
var mockRootResolver = new Mock <RootDependencyResolver>();
new InternalConfiguration(new Mock <ResolverChain>().Object, normalChain, mockRootResolver.Object);
normalChain.GetService <object>("Foo");
mockRootResolver.Verify(m => m.GetService(typeof(object), "Foo"));
}
public InternalConfiguration(
ResolverChain appConfigChain = null,
ResolverChain normalResolverChain = null,
RootDependencyResolver rootResolver = null,
AppConfigDependencyResolver appConfigResolver = null)
{
_rootResolver = rootResolver ?? new RootDependencyResolver();
_resolvers = new CompositeResolver <ResolverChain, ResolverChain>(appConfigChain ?? new ResolverChain(), normalResolverChain ?? new ResolverChain());
_resolvers.Second.Add(_rootResolver);
_resolvers.First.Add(appConfigResolver ?? new AppConfigDependencyResolver(AppConfig.DefaultInstance, this));
}
public void Adds_a_singleton_resolver_with_a_key()
{
var normalChain = new ResolverChain();
new InternalConfiguration(
new Mock <ResolverChain>().Object, normalChain,
new RootDependencyResolver(),
new Mock <AppConfigDependencyResolver>().Object).RegisterSingleton("Bilbo", "Baggins");
Assert.Equal("Bilbo", normalChain.GetService <string>("Baggins"));
Assert.Null(normalChain.GetService <string>("Biggins"));
}
public void Adds_a_singleton_resolver_with_a_key()
{
var normalChain = new ResolverChain();
new InternalConfiguration(
new Mock<ResolverChain>().Object, normalChain,
new RootDependencyResolver(),
new Mock<AppConfigDependencyResolver>().Object).RegisterSingleton("Bilbo", "Baggins");
Assert.Equal("Bilbo", normalChain.GetService<string>("Baggins"));
Assert.Null(normalChain.GetService<string>("Biggins"));
}
public void Adds_a_singleton_resolver_with_a_key_predicate()
{
var normalChain = new ResolverChain();
new InternalConfiguration(
new Mock <ResolverChain>().Object, normalChain,
new RootDependencyResolver(),
new Mock <AppConfigDependencyResolver>().Object).RegisterSingleton("Bilbo", k => ((string)k).StartsWith("B"));
Assert.Equal("Bilbo", normalChain.GetService <string>("Baggins"));
Assert.Equal("Bilbo", normalChain.GetService <string>("Biggins"));
Assert.Null(normalChain.GetService <string>("More than half a Brandybuck"));
}
public void Adds_a_singleton_resolver_with_a_key_predicate()
{
var normalChain = new ResolverChain();
new InternalConfiguration(
new Mock<ResolverChain>().Object, normalChain,
new RootDependencyResolver(),
new Mock<AppConfigDependencyResolver>().Object).RegisterSingleton("Bilbo", k => ((string)k).StartsWith("B"));
Assert.Equal("Bilbo", normalChain.GetService<string>("Baggins"));
Assert.Equal("Bilbo", normalChain.GetService<string>("Biggins"));
Assert.Null(normalChain.GetService<string>("More than half a Brandybuck"));
}
public void Resolvers_property_returns_resolvers_in_same_order_that_they_were_added()
{
var resolvers = new[]
{
new Mock <IDbDependencyResolver>().Object,
new Mock <IDbDependencyResolver>().Object,
new Mock <IDbDependencyResolver>().Object,
};
var chain = new ResolverChain();
resolvers.Each(chain.Add);
Assert.Equal(resolvers, chain.Resolvers);
}
public void GetService_returns_null_if_no_resolver_in_the_chain_resolves_the_dependency()
{
var mockResolver1 = CreateMockResolver("Steve", new Mock <IPilkington>().Object);
var mockResolver2 = CreateMockResolver("Ricky", new Mock <IPilkington>().Object);
var chain = new ResolverChain();
chain.Add(mockResolver1.Object);
chain.Add(mockResolver2.Object);
Assert.Null(chain.GetService <IPilkington>("Karl"));
mockResolver1.Verify(m => m.GetService(typeof(IPilkington), "Karl"), Times.Once());
mockResolver2.Verify(m => m.GetService(typeof(IPilkington), "Karl"), Times.Once());
}
/// <summary>
/// This method is not thread-safe and should only be used to switch in a different root resolver
/// before the configuration is locked and set. It is used for pushing a new configuration by
/// DbContextInfo while maintaining legacy settings (such as database initializers) that are
/// set on the root resolver.
/// </summary>
public virtual void SwitchInRootResolver(RootDependencyResolver value)
{
DebugCheck.NotNull(value);
Debug.Assert(!_isLocked);
// The following is not thread-safe but this code is only called when pushing a configuration
// and happens to a new DbConfiguration before it has been set and locked.
var newChain = new ResolverChain();
newChain.Add(value);
_resolvers.Second.Resolvers.Skip(1).Each(newChain.Add);
_rootResolver = value;
_resolvers = new CompositeResolver <ResolverChain, ResolverChain>(_resolvers.First, newChain);
}
public void GetService_and_Add_can_be_accessed_from_multiple_threads_concurrently()
{
for (var i = 0; i < 30; i++)
{
var bag = new ConcurrentBag <IPilkington>();
var resolver = new ResolverChain();
var karl = new Karl();
ExecuteInParallel(
() =>
{
resolver.Add(new SingletonDependencyResolver <IPilkington>(karl, "Karl"));
bag.Add(resolver.GetService <IPilkington>("Karl"));
});
Assert.Equal(20, bag.Count);
Assert.True(bag.All(c => karl == c));
}
}
public void GetService_returns_the_service_returned_by_the_most_recently_added_resolver_that_resolves_the_dependency()
{
var karl = new Mock <IPilkington>().Object;
var mockResolver1 = CreateMockResolver("Karl", new Mock <IPilkington>().Object);
var mockResolver2 = CreateMockResolver("Karl", karl);
var mockResolver3 = CreateMockResolver("Ricky", new Mock <IPilkington>().Object);
var chain = new ResolverChain();
chain.Add(mockResolver1.Object);
chain.Add(mockResolver2.Object);
chain.Add(mockResolver3.Object);
Assert.Same(karl, chain.GetService <IPilkington>("Karl"));
mockResolver1.Verify(m => m.GetService(typeof(IPilkington), "Karl"), Times.Never());
mockResolver2.Verify(m => m.GetService(typeof(IPilkington), "Karl"), Times.Once());
mockResolver3.Verify(m => m.GetService(typeof(IPilkington), "Karl"), Times.Once());
}
public void GetService_registers_SQL_Server_as_a_fallback_if_it_is_not_already_registered()
{
var providerTypeName = string.Format(
CultureInfo.InvariantCulture,
"System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer, Version={0}, Culture=neutral, PublicKeyToken=b77a5c561934e089",
new AssemblyName(typeof(DbContext).Assembly.FullName).Version);
var mockSqlProvider = new Mock <DbProviderServices>();
mockSqlProvider.Setup(m => m.GetService(typeof(string), null)).Returns("System.Data.SqlClient");
var mockSection = CreateMockSectionWithProviders();
var mockFactory = CreateMockFactory(mockSection.Object);
mockFactory.Setup(m => m.TryGetInstance(providerTypeName))
.Returns(mockSqlProvider.Object);
var appConfig = new AppConfig(new ConnectionStringSettingsCollection(), null, mockSection.Object, mockFactory.Object);
var mockConfiguration = new Mock <InternalConfiguration>(null, null, null, null);
var someRandomThing = new Random();
mockSqlProvider.Setup(m => m.GetService(typeof(Random), null)).Returns(someRandomThing);
var resolvers = new ResolverChain();
mockConfiguration.Setup(m => m.AddSecondaryResolver(It.IsAny <IDbDependencyResolver>()))
.Callback <IDbDependencyResolver>(resolvers.Add);
new AppConfigDependencyResolver(appConfig, mockConfiguration.Object, mockFactory.Object).GetService <IPilkington>();
mockConfiguration.Verify(m => m.AddSecondaryResolver(It.IsAny <DbProviderServices>()), Times.Exactly(4));
mockConfiguration.Verify(m => m.AddSecondaryResolver(It.IsAny <SingletonDependencyResolver <DbProviderServices> >()), Times.Once());
Assert.Equal("Robot.Rock", resolvers.GetService <string>());
Assert.Same(someRandomThing, resolvers.GetService <Random>());
Assert.Same(mockSqlProvider.Object, resolvers.GetService <DbProviderServices>("System.Data.SqlClient"));
}
public void ResolverSnapshot_returns_resolvers_in_correct_order()
{
var callOrder = "";
var configResolver = new Mock <IDbDependencyResolver>();
configResolver.Setup(m => m.GetService(typeof(object), "Foo")).Callback(() => callOrder += " Config");
var configChain = new ResolverChain();
configChain.Add(configResolver.Object);
var rootResolver = new Mock <RootDependencyResolver>();
rootResolver.Setup(m => m.GetService(typeof(object), "Foo")).Callback(() => callOrder += " Root");
var configuration = new DbConfiguration(
new InternalConfiguration(
configChain,
new ResolverChain(),
rootResolver.Object,
new Mock <AppConfigDependencyResolver>().Object)).InternalConfiguration;
var normalResolver = new Mock <IDbDependencyResolver>();
normalResolver.Setup(m => m.GetService(typeof(object), "Foo")).Callback(() => callOrder += " Normal");
configuration.AddDependencyResolver(normalResolver.Object);
var overrideResolver = new Mock <IDbDependencyResolver>();
overrideResolver.Setup(m => m.GetService(typeof(object), "Foo")).Callback(() => callOrder += " Override");
configuration.AddDependencyResolver(overrideResolver.Object, overrideConfigFile: true);
configuration.ResolverSnapshot.GetService <object>("Foo");
Assert.Equal(" Override Config Normal Root", callOrder);
}
/// <summary>
/// This method is not thread-safe and should only be used to switch in a different root resolver
/// before the configuration is locked and set. It is used for pushing a new configuration by
/// DbContextInfo while maintaining legacy settings (such as database initializers) that are
/// set on the root resolver.
/// </summary>
internal virtual void SwitchInRootResolver(RootDependencyResolver value)
{
Contract.Requires(value != null);
Contract.Assert(!_isLocked);
// The following is not thread-safe but this code is only called when pushing a configuration
// and happens to a new DbConfiguration before it has been set and locked.
var newChain = new ResolverChain();
newChain.Add(value);
_resolvers.Second.Resolvers.Skip(1).Each(newChain.Add);
_rootResolver = value;
_resolvers = new CompositeResolver<ResolverChain, ResolverChain>(_resolvers.First, newChain);
}
public void RootResolver_is_added_to_the_non_app_config_resolver_chain()
{
var normalChain = new ResolverChain();
var mockRootResolver = new Mock<RootDependencyResolver>();
new DbConfiguration(new Mock<ResolverChain>().Object, normalChain, mockRootResolver.Object);
normalChain.GetService<object>("Foo");
mockRootResolver.Verify(m => m.GetService(typeof(object), "Foo"));
}
public void ResolverSnapshot_returns_resolvers_in_correct_order()
{
var callOrder = "";
var configResolver = new Mock<IDbDependencyResolver>();
configResolver.Setup(m => m.GetService(typeof(object), "Foo")).Callback(() => callOrder += " Config");
var configChain = new ResolverChain();
configChain.Add(configResolver.Object);
var rootResolver = new Mock<RootDependencyResolver>();
rootResolver.Setup(m => m.GetService(typeof(object), "Foo")).Callback(() => callOrder += " Root");
var configuration = new DbConfiguration(
new InternalConfiguration(
configChain,
new ResolverChain(),
rootResolver.Object,
new Mock<AppConfigDependencyResolver>().Object)).InternalConfiguration;
var normalResolver = new Mock<IDbDependencyResolver>();
normalResolver.Setup(m => m.GetService(typeof(object), "Foo")).Callback(() => callOrder += " Normal");
configuration.AddDependencyResolver(normalResolver.Object);
var overrideResolver = new Mock<IDbDependencyResolver>();
overrideResolver.Setup(m => m.GetService(typeof(object), "Foo")).Callback(() => callOrder += " Override");
configuration.AddDependencyResolver(overrideResolver.Object, overrideConfigFile: true);
configuration.ResolverSnapshot.GetService<object>("Foo");
Assert.Equal(" Override Config Normal Root", callOrder);
}
