public void ApplyTo_WhenPluginDependencyCycleExists_Throws()
{
var catalog = new PluginCatalog();
var plugin1 = new Plugin("plugin1Id")
{
Dependencies = { new Dependency("plugin3Id"), new Dependency("plugin2Id") }
};
var plugin2 = new Plugin("plugin2Id")
{
Dependencies = { new Dependency("plugin1Id") }
};
var plugin3 = new Plugin("plugin3Id")
{
Dependencies = { }
};
var baseDirectory = new DirectoryInfo(@"C:\");
var registry = MockRepository.GenerateMock <IRegistry>();
catalog.AddPlugin(plugin2, baseDirectory);
catalog.AddPlugin(plugin1, baseDirectory);
catalog.AddPlugin(plugin3, baseDirectory);
var ex = Assert.Throws <RuntimeException>(() => catalog.ApplyTo(registry));
Assert.AreEqual("Could not topologically sort the following plugins either due to dependency cycles or duplicate dependencies: 'plugin2Id', 'plugin1Id'.", ex.Message);
registry.VerifyAllExpectations();
}
public void AddPlugin_WhenBaseDirectoryIsNull_Throws()
{
var catalog = new PluginCatalog();
var plugin = new Plugin("pluginId");
Assert.Throws <ArgumentNullException>(() => catalog.AddPlugin(plugin, null));
}
public void ApplyTo_WhenPluginDependencyCannotBeResolved_DisablesAffectedPLugin()
{
var catalog = new PluginCatalog();
var plugin = new Plugin("pluginId")
{
Dependencies = { new Dependency("unresolvedPluginId") }
};
var baseDirectory = new DirectoryInfo(@"C:\");
var registry = MockRepository.GenerateMock <IRegistry>();
var pluginDescriptor = MockRepository.GenerateMock <IPluginDescriptor>();
var pluginRegistrations = new List <PluginRegistration>();
var plugins = MockRepository.GenerateMock <IPlugins>();
registry.Expect(x => x.RegisterPlugin(null)).Callback(Enlist(pluginRegistrations)).Return(pluginDescriptor);
pluginDescriptor.Expect(x => x.Disable("Could not find plugin 'unresolvedPluginId' upon which this plugin depends."));
registry.Stub(x => x.Plugins).Return(plugins);
plugins.Expect(x => x["unresolvedPluginId"]).Return(null);
catalog.AddPlugin(plugin, baseDirectory);
catalog.ApplyTo(registry);
registry.VerifyAllExpectations();
pluginDescriptor.VerifyAllExpectations();
plugins.VerifyAllExpectations();
}
public void AddPlugin_WhenPluginIsNull_Throws()
{
var catalog = new PluginCatalog();
var baseDirectory = new DirectoryInfo(@"C:\");
Assert.Throws <ArgumentNullException>(() => catalog.AddPlugin(null, baseDirectory));
}
public void ApplyTo_WhenAssemblyCodeBaseIsRelativeToProbingPathAndExists_DoesNotDisablePlugin()
{
var catalog = new PluginCatalog();
var plugin = new Plugin("pluginId")
{
Assemblies = { new Assembly("Gallio")
{
CodeBase = "Gallio.dll"
} },
ProbingPaths = { Path.GetDirectoryName(AssemblyUtils.GetFriendlyAssemblyCodeBase(typeof(IRuntime).Assembly)) }
};
var baseDirectory = new DirectoryInfo(@"C:\");
var registry = MockRepository.GenerateMock <IRegistry>();
var pluginDescriptor = MockRepository.GenerateMock <IPluginDescriptor>();
var pluginRegistrations = new List <PluginRegistration>();
registry.Expect(x => x.RegisterPlugin(null)).Callback(Enlist(pluginRegistrations)).Return(pluginDescriptor);
catalog.AddPlugin(plugin, baseDirectory);
catalog.ApplyTo(registry);
registry.VerifyAllExpectations();
pluginDescriptor.VerifyAllExpectations();
}
public void ApplyTo_WhenComponentRefersToUnregisteredService_Throws()
{
var catalog = new PluginCatalog();
var plugin = new Plugin("pluginId")
{
Components = { new Component("componentId", "serviceId", "Component, Assembly") }
};
var baseDirectory = new DirectoryInfo(@"C:\");
var registry = MockRepository.GenerateMock <IRegistry>();
var services = MockRepository.GenerateMock <IServices>();
registry.Stub(x => x.Services).Return(services);
registry.Expect(x => x.RegisterPlugin(null)).IgnoreArguments().Return(MockRepository.GenerateStub <IPluginDescriptor>());
services.Expect(x => x["serviceId"]).Return(null);
catalog.AddPlugin(plugin, baseDirectory);
var ex = Assert.Throws <RuntimeException>(() => catalog.ApplyTo(registry));
Assert.AreEqual("Could not register component 'componentId' of plugin 'pluginId' because it implements service 'serviceId' which was not found in the registry.", ex.Message);
registry.VerifyAllExpectations();
services.VerifyAllExpectations();
}
public void ApplyTo_WhenAssemblyHasACodeBaseButIsNotFoundByProbing_DisablesPlugin()
{
var catalog = new PluginCatalog();
var plugin = new Plugin("pluginId")
{
Assemblies = { new Assembly("ThisAssemblyCannotBeFoundByProbing")
{
CodeBase = "ThisAssemblyCannotBeFoundByProbing.dll"
} },
ProbingPaths = { "probing" }
};
var baseDirectory = new DirectoryInfo(@"C:\");
var registry = MockRepository.GenerateMock <IRegistry>();
var pluginDescriptor = MockRepository.GenerateMock <IPluginDescriptor>();
var pluginRegistrations = new List <PluginRegistration>();
registry.Expect(x => x.RegisterPlugin(null)).Callback(Enlist(pluginRegistrations)).Return(pluginDescriptor);
pluginDescriptor.Expect(x => x.Disable("Could not find assembly 'ThisAssemblyCannotBeFoundByProbing' after probing for its code base in 'C:\\ThisAssemblyCannotBeFoundByProbing.dll', 'C:\\bin\\ThisAssemblyCannotBeFoundByProbing.dll', 'C:\\probing\\ThisAssemblyCannotBeFoundByProbing.dll', 'C:\\bin\\probing\\ThisAssemblyCannotBeFoundByProbing.dll'."));
catalog.AddPlugin(plugin, baseDirectory);
catalog.ApplyTo(registry);
registry.VerifyAllExpectations();
pluginDescriptor.VerifyAllExpectations();
}
public void ApplyTo_WhenServiceRegistrationWellFormed_RegistersTheService()
{
var catalog = new PluginCatalog();
var plugin = new Plugin("pluginId")
{
Services = { new Service("serviceId", "Service, Assembly")
{
DefaultComponentType = "DefaultComponent, Assembly"
} }
};
var baseDirectory = new DirectoryInfo(@"C:\");
var registry = MockRepository.GenerateMock <IRegistry>();
var pluginDescriptor = MockRepository.GenerateStub <IPluginDescriptor>();
var serviceRegistrations = new List <ServiceRegistration>();
registry.Expect(x => x.RegisterPlugin(null)).IgnoreArguments().Return(pluginDescriptor);
registry.Expect(x => x.RegisterService(null)).Callback(Enlist(serviceRegistrations)).Return(MockRepository.GenerateStub <IServiceDescriptor>());
catalog.AddPlugin(plugin, baseDirectory);
catalog.ApplyTo(registry);
registry.VerifyAllExpectations();
Assert.Multiple(() =>
{
Assert.AreSame(pluginDescriptor, serviceRegistrations[0].Plugin);
Assert.AreEqual("serviceId", serviceRegistrations[0].ServiceId);
Assert.AreEqual(new TypeName("Service, Assembly"), serviceRegistrations[0].ServiceTypeName);
Assert.AreEqual(new TypeName("DefaultComponent, Assembly"), serviceRegistrations[0].DefaultComponentTypeName);
});
}
public void ApplyTo_WhenPluginTypeIsNotNull_RegistersThePluginWithSpecifiedPluginType()
{
var catalog = new PluginCatalog();
var codeBase = AssemblyUtils.GetFriendlyAssemblyCodeBase(typeof(IRuntime).Assembly);
var plugin = new Plugin("pluginId")
{
PluginType = "Plugin, Assembly",
};
var baseDirectory = new DirectoryInfo(@"C:\");
var registry = MockRepository.GenerateMock <IRegistry>();
var pluginDescriptor = MockRepository.GenerateStub <IPluginDescriptor>();
var pluginRegistrations = new List <PluginRegistration>();
registry.Expect(x => x.RegisterPlugin(null)).Callback(Enlist(pluginRegistrations)).Return(pluginDescriptor);
catalog.AddPlugin(plugin, baseDirectory);
catalog.ApplyTo(registry);
registry.VerifyAllExpectations();
Assert.Multiple(() =>
{
Assert.AreEqual(new TypeName("Plugin, Assembly"), pluginRegistrations[0].PluginTypeName);
});
}
public void ApplyTo_WhenComponentRegistrationWellFormed_RegistersTheComponent()
{
var catalog = new PluginCatalog();
var plugin = new Plugin("pluginId")
{
Components =
{
new Component("componentId", "serviceId", "Component, Assembly")
{
Parameters = new KeyValueTable()
{
PropertySet = { { "Parameter","Value" } }
},
Traits = new KeyValueTable()
{
PropertySet = { { "Trait","Value" } }
}
}
}
};
var baseDirectory = new DirectoryInfo(@"C:\");
var registry = MockRepository.GenerateMock <IRegistry>();
var services = MockRepository.GenerateMock <IServices>();
var pluginDescriptor = MockRepository.GenerateStub <IPluginDescriptor>();
var serviceDescriptor = MockRepository.GenerateStub <IServiceDescriptor>();
var componentRegistrations = new List <ComponentRegistration>();
registry.Stub(x => x.Services).Return(services);
registry.Expect(x => x.RegisterPlugin(null)).IgnoreArguments().Return(pluginDescriptor);
registry.Expect(x => x.RegisterComponent(null)).Callback(Enlist(componentRegistrations)).Return(MockRepository.GenerateStub <IComponentDescriptor>());
services.Expect(x => x["serviceId"]).Return(serviceDescriptor);
catalog.AddPlugin(plugin, baseDirectory);
catalog.ApplyTo(registry);
registry.VerifyAllExpectations();
services.VerifyAllExpectations();
Assert.Multiple(() =>
{
Assert.AreSame(pluginDescriptor, componentRegistrations[0].Plugin);
Assert.AreSame(serviceDescriptor, componentRegistrations[0].Service);
Assert.AreEqual("componentId", componentRegistrations[0].ComponentId);
Assert.AreEqual(new TypeName("Component, Assembly"), componentRegistrations[0].ComponentTypeName);
Assert.AreEqual(new PropertySet()
{
{ "Parameter", "Value" }
}, componentRegistrations[0].ComponentProperties);
Assert.AreEqual(new PropertySet()
{
{ "Trait", "Value" }
}, componentRegistrations[0].TraitsProperties);
});
}
public void ApplyTo_WhenPluginTypeIsNull_RegistersThePluginWithDefaultPluginType()
{
var catalog = new PluginCatalog();
var codeBase = AssemblyUtils.GetFriendlyAssemblyCodeBase(typeof(IRuntime).Assembly);
var plugin = new Plugin("pluginId")
{
Parameters = new KeyValueTable()
{
PropertySet = { { "Parameter", "Value" } }
},
Traits = new KeyValueTable()
{
PropertySet = { { "Trait", "Value" } }
},
Assemblies = { new Assembly("Gallio")
{
CodeBase = codeBase
} },
EnableCondition = "${minFramework:NET35}",
RecommendedInstallationPath = "Path",
Files = { new File("file1.txt"), new File("file2.dll") }
};
var baseDirectory = new DirectoryInfo(@"C:\");
var registry = MockRepository.GenerateMock <IRegistry>();
var pluginDescriptor = MockRepository.GenerateStub <IPluginDescriptor>();
var pluginRegistrations = new List <PluginRegistration>();
registry.Expect(x => x.RegisterPlugin(null)).Callback(Enlist(pluginRegistrations)).Return(pluginDescriptor);
catalog.AddPlugin(plugin, baseDirectory);
catalog.ApplyTo(registry);
registry.VerifyAllExpectations();
Assert.Multiple(() =>
{
Assert.AreEqual("pluginId", pluginRegistrations[0].PluginId);
Assert.AreEqual(baseDirectory, pluginRegistrations[0].BaseDirectory);
Assert.AreEqual(new TypeName(typeof(DefaultPlugin)), pluginRegistrations[0].PluginTypeName);
Assert.AreEqual(new PropertySet()
{
{ "Parameter", "Value" }
}, pluginRegistrations[0].PluginProperties);
Assert.AreEqual(new PropertySet()
{
{ "Trait", "Value" }
}, pluginRegistrations[0].TraitsProperties);
Assert.AreEqual("Gallio", pluginRegistrations[0].AssemblyBindings[0].AssemblyName.Name);
Assert.AreEqual(new Uri(codeBase), pluginRegistrations[0].AssemblyBindings[0].CodeBase);
Assert.AreEqual("${minFramework:NET35}", pluginRegistrations[0].EnableCondition.ToString());
Assert.AreEqual("Path", pluginRegistrations[0].RecommendedInstallationPath);
Assert.AreElementsEqual(new[] { "file1.txt", "file2.dll" }, pluginRegistrations[0].FilePaths);
});
}
public void ApplyTo_WhenPluginDependenciesPresent_RegistersPluginsInTopologicallySortedOrder()
{
var catalog = new PluginCatalog();
var plugin1 = new Plugin("plugin1Id")
{
Dependencies = { new Dependency("plugin3Id"), new Dependency("plugin2Id") }
};
var plugin2 = new Plugin("plugin2Id")
{
Dependencies = { new Dependency("plugin4Id") }
};
var plugin3 = new Plugin("plugin3Id")
{
Dependencies = { new Dependency("plugin4Id") }
};
var plugin4 = new Plugin("plugin4Id")
{
Dependencies = { }
};
var baseDirectory = new DirectoryInfo(@"C:\");
var registry = MockRepository.GenerateMock <IRegistry>();
var pluginRegistrations = new List <PluginRegistration>();
var plugins = MockRepository.GenerateMock <IPlugins>();
registry.Expect(x => x.RegisterPlugin(null)).Callback(Enlist(pluginRegistrations)).Return(MockRepository.GenerateStub <IPluginDescriptor>()).Repeat.Times(4);
registry.Stub(x => x.Plugins).Return(plugins);
plugins.Expect(x => x[null]).IgnoreArguments().Return(MockRepository.GenerateStub <IPluginDescriptor>());
catalog.AddPlugin(plugin2, baseDirectory);
catalog.AddPlugin(plugin4, baseDirectory);
catalog.AddPlugin(plugin1, baseDirectory);
catalog.AddPlugin(plugin3, baseDirectory);
catalog.ApplyTo(registry);
registry.VerifyAllExpectations();
plugins.VerifyAllExpectations();
Assert.AreElementsEqual(new[] { "plugin4Id", "plugin2Id", "plugin3Id", "plugin1Id" },
pluginRegistrations.ConvertAll(p => p.PluginId), "Plugins should appear in sorted dependency order.");
}
public void ApplyTo_WhenPluginRegistrationFails_Throws()
{
var catalog = new PluginCatalog();
var plugin = new Plugin("pluginId");
var baseDirectory = new DirectoryInfo(@"C:\");
var registry = MockRepository.GenerateMock <IRegistry>();
registry.Expect(x => x.RegisterPlugin(null)).IgnoreArguments().Throw(new InvalidOperationException("Boom"));
catalog.AddPlugin(plugin, baseDirectory);
var ex = Assert.Throws <RuntimeException>(() => catalog.ApplyTo(registry));
Assert.AreEqual("Could not register plugin 'pluginId'.", ex.Message);
registry.VerifyAllExpectations();
}
public void ApplyTo_WhenServiceRegistrationFails_Throws()
{
var catalog = new PluginCatalog();
var plugin = new Plugin("pluginId")
{
Services = { new Service("serviceId", "Service, Assembly") }
};
var baseDirectory = new DirectoryInfo(@"C:\");
var registry = MockRepository.GenerateMock <IRegistry>();
registry.Expect(x => x.RegisterPlugin(null)).IgnoreArguments().Return(MockRepository.GenerateStub <IPluginDescriptor>());
registry.Expect(x => x.RegisterService(null)).IgnoreArguments().Throw(new InvalidOperationException("Boom"));
catalog.AddPlugin(plugin, baseDirectory);
var ex = Assert.Throws <RuntimeException>(() => catalog.ApplyTo(registry));
Assert.AreEqual("Could not register service 'serviceId' of plugin 'pluginId'.", ex.Message);
registry.VerifyAllExpectations();
}
public void ApplyTo_WhenAssemblyHasNoCodeBaseAndIsFoundInTheGAC_DoesNotDisablePlugin()
{
var catalog = new PluginCatalog();
var plugin = new Plugin("pluginId")
{
Assemblies = { new Assembly("System") }
};
var baseDirectory = new DirectoryInfo(@"C:\");
var registry = MockRepository.GenerateMock <IRegistry>();
var pluginDescriptor = MockRepository.GenerateMock <IPluginDescriptor>();
var pluginRegistrations = new List <PluginRegistration>();
registry.Expect(x => x.RegisterPlugin(null)).Callback(Enlist(pluginRegistrations)).Return(pluginDescriptor);
catalog.AddPlugin(plugin, baseDirectory);
catalog.ApplyTo(registry);
registry.VerifyAllExpectations();
pluginDescriptor.VerifyAllExpectations();
}
public void ApplyTo_WhenAssemblyHasNoCodeBaseAndIsNotInTheGAC_DisablesPlugin()
{
var catalog = new PluginCatalog();
var plugin = new Plugin("pluginId")
{
Assemblies = { new Assembly("ThisAssemblyDoesNotExistInTheGAC") }
};
var baseDirectory = new DirectoryInfo(@"C:\");
var registry = MockRepository.GenerateMock <IRegistry>();
var pluginDescriptor = MockRepository.GenerateMock <IPluginDescriptor>();
var pluginRegistrations = new List <PluginRegistration>();
registry.Expect(x => x.RegisterPlugin(null)).Callback(Enlist(pluginRegistrations)).Return(pluginDescriptor);
pluginDescriptor.Expect(x => x.Disable("Could not find assembly 'ThisAssemblyDoesNotExistInTheGAC' in the global assembly cache."));
catalog.AddPlugin(plugin, baseDirectory);
catalog.ApplyTo(registry);
registry.VerifyAllExpectations();
pluginDescriptor.VerifyAllExpectations();
}
public void ApplyTo_WhenWellFormed_RegistersAllPluginsThenAllServicesThenAllComponents()
{
var catalog = new PluginCatalog();
catalog.AddPlugin(new Plugin("plugin1Id")
{
Services =
{
new Service("service1Id", "Service1, Assembly"),
new Service("service2Id", "Service2, Assembly")
},
Components =
{
new Component("component1Id", "service2Id", "Component1, Assembly"),
new Component("component2Id", "service3Id", "Component2, Assembly"),
}
}, new DirectoryInfo(@"C:\Plugin1"));
catalog.AddPlugin(new Plugin("plugin2Id")
{
Services =
{
new Service("service3Id", "Service3, Assembly")
},
Components =
{
new Component("component3Id", "service1Id", "Component3, Assembly"),
new Component("component4Id", "service3Id", "Component4, Assembly"),
}
}, new DirectoryInfo(@"C:\Plugin2"));
var registry = MockRepository.GenerateMock <IRegistry>();
var pluginRegistrations = new List <PluginRegistration>();
var serviceRegistrations = new List <ServiceRegistration>();
var componentRegistrations = new List <ComponentRegistration>();
var services = MockRepository.GenerateMock <IServices>();
registry.Expect(x => x.RegisterPlugin(null)).Callback(Enlist(pluginRegistrations))
.Return(MockRepository.GenerateStub <IPluginDescriptor>())
.Repeat.Twice();
registry.Expect(x => x.RegisterService(null)).Callback(Enlist(serviceRegistrations))
.Return(MockRepository.GenerateStub <IServiceDescriptor>())
.Repeat.Times(3);
registry.Expect(x => x.RegisterComponent(null)).Callback(Enlist(componentRegistrations))
.Return(MockRepository.GenerateStub <IComponentDescriptor>())
.Repeat.Times(4);
registry.Stub(x => x.Services).Return(services);
services.Expect(x => x["service2Id"]).Repeat.Once().Return(MockRepository.GenerateStub <IServiceDescriptor>());
services.Expect(x => x["service3Id"]).Repeat.Twice().Return(MockRepository.GenerateStub <IServiceDescriptor>());
services.Expect(x => x["service1Id"]).Repeat.Once().Return(MockRepository.GenerateStub <IServiceDescriptor>());
catalog.ApplyTo(registry);
registry.VerifyAllExpectations();
services.VerifyAllExpectations();
Assert.Multiple(() =>
{
Assert.AreEqual("plugin1Id", pluginRegistrations[0].PluginId);
Assert.AreEqual("plugin2Id", pluginRegistrations[1].PluginId);
Assert.AreEqual("service1Id", serviceRegistrations[0].ServiceId);
Assert.AreEqual("service2Id", serviceRegistrations[1].ServiceId);
Assert.AreEqual("service3Id", serviceRegistrations[2].ServiceId);
Assert.AreEqual("component1Id", componentRegistrations[0].ComponentId);
Assert.AreEqual("component2Id", componentRegistrations[1].ComponentId);
Assert.AreEqual("component3Id", componentRegistrations[2].ComponentId);
Assert.AreEqual("component4Id", componentRegistrations[3].ComponentId);
});
}