public void Cache_Initializes_WhenEnsureInitializedCalled()
{
// Arrange
var called = false;
var dataSource = new DynamicEndpointDataSource();
var cache = new DataSourceDependentCache <string>(dataSource, (endpoints) =>
{
called = true;
return("hello, world!");
});
// Act
cache.EnsureInitialized();
// Assert
Assert.True(called);
Assert.Equal("hello, world!", cache.Value);
}
public void Cache_Reinitializes_WhenDataSourceChanges()
{
// Arrange
var count = 0;
var dataSource = new DynamicEndpointDataSource();
var cache = new DataSourceDependentCache <string>(dataSource, (endpoints) =>
{
count++;
return($"hello, {count}!");
});
cache.EnsureInitialized();
Assert.Equal("hello, 1!", cache.Value);
// Act
dataSource.AddEndpoint(null);
// Assert
Assert.Equal(2, count);
Assert.Equal("hello, 2!", cache.Value);
}
public void Cache_CanDispose_WhenInitialized()
{
// Arrange
var count = 0;
var dataSource = new DynamicEndpointDataSource();
var cache = new DataSourceDependentCache <string>(dataSource, (endpoints) =>
{
count++;
return($"hello, {count}!");
});
cache.EnsureInitialized();
Assert.Equal("hello, 1!", cache.Value);
// Act
cache.Dispose();
// Assert
dataSource.AddEndpoint(null);
Assert.Equal("hello, 1!", cache.Value); // Ignores update
}
internal TemplateBinder GetTemplateBinder(RouteEndpoint endpoint) => _cache.EnsureInitialized().GetOrAdd(endpoint, _createTemplateBinder);
// Internal for testing internal GlobalRouteValuesLinkGeneratorTemplateBinder GetTemplateBinder(RouteEndpoint endpoint) => _cache.EnsureInitialized().GetOrAdd(endpoint, _createTemplateBinder);