public FieldCrawler(object declaringValue, FieldInfo field, ICrawlToken parentToken, ObjectCrawler objectCrawler)
{
_declaringValue = declaringValue;
_field = field;
_parentToken = parentToken;
_objectCrawler = objectCrawler;
}
public ValueCrawler(object value, Type type, ICrawlToken parentToken, ObjectCrawler objectCrawler)
{
_value = value;
_type = type;
_parentToken = parentToken;
_objectCrawler = objectCrawler;
}
public PropertyCrawler(object declaringValue, PropertyInfo property, ICrawlToken parentToken, ObjectCrawler objectCrawler)
{
_declaringValue = declaringValue;
_property = property;
_parentToken = parentToken;
_objectCrawler = objectCrawler;
}
public void null_value_cannot_be_crawled()
{
ObjectCrawler objectCrawler = new ObjectCrawler();
Action action = () => objectCrawler.Crawl(null);
action.Should().Throw <ArgumentNullException>();
}
public void dictionary_should_be_detected()
{
Dictionary <int, int> someDictionary = new Dictionary <int, int>();
ObjectCrawler crawler = new ObjectCrawler();
ObjectGraphVisitorVisitorStub visitor = new ObjectGraphVisitorVisitorStub();
crawler.AddVisitor(visitor);
crawler.Crawl(someDictionary);
visitor.Enumerable?.Type.Should().NotBeNull().And.Be <Dictionary <int, int> >();
}
public void enumerable_should_be_detected()
{
List <int> someList = new List <int>();
ObjectCrawler crawler = new ObjectCrawler();
ObjectGraphVisitorVisitorStub visitor = new ObjectGraphVisitorVisitorStub();
crawler.AddVisitor(visitor);
crawler.Crawl(someList);
visitor.Enumerable?.Type.Should().NotBeNull().And.Be <List <int> >();
}
public void string_should_be_detected_as_value()
{
string value = "some string";
ObjectCrawler crawler = new ObjectCrawler();
ObjectGraphVisitorVisitorStub visitor = new ObjectGraphVisitorVisitorStub();
crawler.AddVisitor(visitor);
crawler.Crawl(value);
visitor.Value?.Type.Should().Be <string>();
}
public void structures_should_be_detected_as_value()
{
DateTime dateTime = DateTime.Now;
ObjectCrawler crawler = new ObjectCrawler();
ObjectGraphVisitorVisitorStub visitor = new ObjectGraphVisitorVisitorStub();
crawler.AddVisitor(visitor);
crawler.Crawl(dateTime);
visitor.Value?.Type.Should().Be <DateTime>();
}
public void a_simple_object_should_be_detected_as_reference()
{
object o = new object();
ObjectCrawler crawler = new ObjectCrawler();
ObjectGraphVisitorVisitorStub visitor = new ObjectGraphVisitorVisitorStub();
crawler.AddVisitor(visitor);
crawler.Crawl(o);
visitor.Reference?.Type.Should().NotBeNull().And.Be <object>();
}
public void field_should_be_detected_on_reference()
{
AClassWithSingleField classWithSingleField = new AClassWithSingleField();
ObjectCrawler crawler = new ObjectCrawler();
ObjectGraphVisitorVisitorStub visitor = new ObjectGraphVisitorVisitorStub();
crawler.AddVisitor(visitor);
crawler.Crawl(classWithSingleField);
visitor.Reference?.Type.Should().Be <AClassWithSingleField>();
visitor.Field.Should().NotBeNull();
visitor.Field.Field.Name.Should().Be("_singleField");
}
public void property_should_be_detected_on_reference()
{
AClassWithSingleProperty classWithSingleProperty = new AClassWithSingleProperty();
ObjectCrawler crawler = new ObjectCrawler();
ObjectGraphVisitorVisitorStub visitor = new ObjectGraphVisitorVisitorStub();
crawler.AddVisitor(visitor);
crawler.Crawl(classWithSingleProperty);
visitor.Reference?.Type.Should().Be <AClassWithSingleProperty>();
visitor.Property.Should().NotBeNull();
visitor.Property.Property.Name.Should().Be(nameof(AClassWithSingleProperty.SingleProperty));
}
public void self_reference_should_not_cause_stack_overflow()
{
AClassWithSelfReference classWithSelfReference = new AClassWithSelfReference();
classWithSelfReference.Self = classWithSelfReference;
ObjectCrawler crawler = new ObjectCrawler();
ObjectGraphVisitorVisitorStub visitor = new ObjectGraphVisitorVisitorStub();
crawler.AddVisitor(visitor);
crawler.Crawl(classWithSelfReference);
visitor.Reference?.Type.Should().Be <AClassWithSelfReference>();
visitor.Property.Should().NotBeNull();
visitor.Property.Property.Name.Should().Be(nameof(AClassWithSelfReference.Self));
}
