public static IQueryable <TEntity> EagerLoadMatching <TEntity>(this IQueryable <TEntity> query, DbContext dbContext,
Predicate <EagerLoadContext> includeStrategyPredicate, IncludeExecution includeExecution, params string[] navigationPropertiesToIgnore)
where TEntity : class
{
var includeStrategy = new PredicateIncludeStrategy(includeStrategyPredicate);
return(query.EagerLoadWithStrategy(dbContext, includeStrategy, includeExecution, navigationPropertiesToIgnore));
}
public void ShouldUseSuppliedPathPredicate_ToTestIfTheNavigationShouldBeIncluded()
{
var pathChecked = string.Empty;
var strategy = new PredicateIncludeStrategy(path =>
{
pathChecked = path;
return(true);
});
var context = new EagerLoadContext(Mock.Of <DbContext>(), strategy);
var navigationMock = new Mock <INavigation>();
navigationMock.Setup(nav => nav.Name).Returns(nameof(Book));
context.SetCurrentNavigation(navigationMock.Object);
Assert.True(strategy.ShouldIncludeCurrentNavigation(context));
Assert.Equal(nameof(Book), pathChecked);
}
public void ShouldUseSuppliedContextPredicate_ToTestIfTheNavigationShouldBeIncluded()
{
var testCount = 0;
var strategy = new PredicateIncludeStrategy((EagerLoadContext contextInput) =>
{
var result = (testCount == 1);
testCount++;
return(result);
});
var context = new EagerLoadContext(Mock.Of <DbContext>(), strategy);
var navigationMock = new Mock <INavigation>();
navigationMock.Setup(nav => nav.Name).Returns(nameof(Book));
context.SetCurrentNavigation(navigationMock.Object);
Assert.False(strategy.ShouldIncludeCurrentNavigation(context));
Assert.True(strategy.ShouldIncludeCurrentNavigation(context));
Assert.Equal(2, testCount);
}
