public void Endpoints_ReturnsAllEndpoints_FromMultipleDataSources()
{
// Arrange
var endpoint1 = CreateEndpoint("/a");
var endpoint2 = CreateEndpoint("/b");
var endpoint3 = CreateEndpoint("/c");
var endpoint4 = CreateEndpoint("/d");
var endpoint5 = CreateEndpoint("/e");
var compositeDataSource = new CompositeEndpointDataSource(new[]
{
new DefaultEndpointDataSource(new Endpoint[] { endpoint1, endpoint2 }),
new DefaultEndpointDataSource(new Endpoint[] { endpoint3, endpoint4 }),
new DefaultEndpointDataSource(new Endpoint[] { endpoint5 }),
});
// Act
var endpoints = compositeDataSource.Endpoints;
// Assert
Assert.Collection(
endpoints,
(ep) => Assert.Same(endpoint1, ep),
(ep) => Assert.Same(endpoint2, ep),
(ep) => Assert.Same(endpoint3, ep),
(ep) => Assert.Same(endpoint4, ep),
(ep) => Assert.Same(endpoint5, ep));
}
public void CreatesShallowCopyOf_ListOfEndpoints()
{
// Arrange
var endpoint1 = CreateEndpoint("/a");
var endpoint2 = CreateEndpoint("/b");
var dataSource = new DefaultEndpointDataSource(new Endpoint[] { endpoint1, endpoint2 });
var compositeDataSource = new CompositeEndpointDataSource(new[] { dataSource });
// Act
var endpoints = compositeDataSource.Endpoints;
// Assert
Assert.NotSame(endpoints, dataSource.Endpoints);
Assert.Equal(endpoints, dataSource.Endpoints);
}
public void ConsumerChangeToken_IsRefreshed_WhenDataSourceCallbackFires()
{
// Arrange1
var endpoint1 = CreateEndpoint("/a");
var dataSource1 = new DynamicEndpointDataSource(endpoint1);
var compositeDataSource = new CompositeEndpointDataSource(new[] { dataSource1 });
// Act1
var endpoints = compositeDataSource.Endpoints;
// Assert1
var changeToken1 = compositeDataSource.GetChangeToken();
var token = Assert.IsType <CancellationChangeToken>(changeToken1);
Assert.False(token.HasChanged); // initial state
// Arrange2
var endpoint2 = CreateEndpoint("/b");
// Act2
dataSource1.AddEndpoint(endpoint2);
// Assert2
Assert.True(changeToken1.HasChanged); // old token is expected to be changed
var changeToken2 = compositeDataSource.GetChangeToken(); // new token is in a unchanged state
Assert.NotSame(changeToken2, changeToken1);
token = Assert.IsType <CancellationChangeToken>(changeToken2);
Assert.False(token.HasChanged);
// Arrange3
var endpoint3 = CreateEndpoint("/c");
// Act2
dataSource1.AddEndpoint(endpoint3);
// Assert2
Assert.True(changeToken2.HasChanged); // old token is expected to be changed
var changeToken3 = compositeDataSource.GetChangeToken(); // new token is in a unchanged state
Assert.NotSame(changeToken3, changeToken2);
Assert.NotSame(changeToken3, changeToken1);
token = Assert.IsType <CancellationChangeToken>(changeToken3);
Assert.False(token.HasChanged);
}
public void DataSourceChanges_AreReflected_InEndpoints()
{
// Arrange1
var endpoint1 = CreateEndpoint("/a");
var dataSource1 = new DynamicEndpointDataSource(endpoint1);
var compositeDataSource = new CompositeEndpointDataSource(new[] { dataSource1 });
// Act1
var endpoints = compositeDataSource.Endpoints;
// Assert1
var endpoint = Assert.Single(endpoints);
Assert.Same(endpoint1, endpoint);
// Arrange2
var endpoint2 = CreateEndpoint("/b");
// Act2
dataSource1.AddEndpoint(endpoint2);
// Assert2
Assert.Collection(
compositeDataSource.Endpoints,
(ep) => Assert.Same(endpoint1, ep),
(ep) => Assert.Same(endpoint2, ep));
// Arrange3
var endpoint3 = CreateEndpoint("/c");
// Act2
dataSource1.AddEndpoint(endpoint3);
// Assert2
Assert.Collection(
compositeDataSource.Endpoints,
(ep) => Assert.Same(endpoint1, ep),
(ep) => Assert.Same(endpoint2, ep),
(ep) => Assert.Same(endpoint3, ep));
}