public void ShouldBindBetweenIndexedObjects()
{
var binder = new Binder <ObservableDictionary <UniversalStub> >();
var dict = new ObservableDictionary <UniversalStub>();
binder.BindIf(x => x.ContainsKey("first") && x.ContainsKey("second"), x => x["first"].String).To(x => x["second"].String);
using (binder.Attach(dict))
{
var first = new UniversalStub();
var second = new UniversalStub {
String = "a"
};
dict.Add("second", second);
second.String.ShouldBe("a");
using (second.VerifyChangedOnce("String"))
{
dict.Add("first", first);
}
second.String.ShouldBe(null);
using (second.VerifyChangedOnce("String"))
{
first.String = "b";
}
second.String.ShouldBe("b");
}
}
public void ShouldUnsubscribeFromRemovedItems()
{
_binder.Bind(x => string.Join(";", x.Collection.Select(s => s.String).ToArray())).To(x => x.String);
_stub.Collection = new ObservableCollection <UniversalStub>();
var item1 = new UniversalStub {
String = "1"
};
var item2 = new UniversalStub {
String = "2"
};
_stub.Collection.Add(item1);
_stub.Collection.Add(item2);
using (_binder.Attach(_stub))
{
_stub.String.ShouldBe("1;2");
item1.SubscriptionsCount.ShouldBe(1);
item2.SubscriptionsCount.ShouldBe(1);
using (_stub.VerifyChangedOnce("String"))
{
_stub.Collection.Remove(item1);
}
_stub.String.ShouldBe("2");
item1.SubscriptionsCount.ShouldBe(0);
}
item2.SubscriptionsCount.ShouldBe(0);
}
public void ShouldBindBetweenIndexedObjects()
{
var binder = new Binder<ObservableDictionary<UniversalStub>>();
var dict= new ObservableDictionary<UniversalStub>();
binder.BindIf(x => x.ContainsKey("first") && x.ContainsKey("second"), x => x["first"].String).To(x => x["second"].String);
using (binder.Attach(dict))
{
var first = new UniversalStub();
var second = new UniversalStub { String = "a" };
dict.Add("second", second);
second.String.ShouldBe("a");
using (second.VerifyChangedOnce("String"))
{
dict.Add("first", first);
}
second.String.ShouldBe(null);
using (second.VerifyChangedOnce("String"))
{
first.String = "b";
}
second.String.ShouldBe("b");
}
}
public void ShouldOverrideMultipleRules()
{
_binder.Bind(x => x.Int.ToString()).To(x => x.String);
_binder.Bind(x => x.Flag.ToString()).To(x => x.String2);
_binder.Bind(x => x.Int.ToString() + "2").To(x => x.String);
_binder.Bind(x => x.Flag.ToString() + "2").To(x => x.String2);
_stub = new UniversalStub();
using (_binder.Attach(_stub))
{
_stub.String.ShouldBe("02");
_stub.String2.ShouldBe("False2");
using (_stub.VerifyChangedOnce("String"))
{
_stub.Int = 1;
}
_stub.String.ShouldBe("12");
using (_stub.VerifyChangedOnce("String2"))
{
_stub.Flag = true;
}
_stub.String2.ShouldBe("True2");
}
}
public void ShouldNotBindToTheSameCollectionItemTwice()
{
_binder.Bind(x => x.Collection.Sum(y => y.Int)).To(x => x.Int);
using (_binder.Attach(_stub))
{
var item = new UniversalStub();
_stub.Collection.Add(item);
_stub.Collection.Add(item);
_stub.Int.ShouldBe(0);
using (_stub.VerifyChangedOnce("Int"))
{
item.Int = 1;
}
_stub.Int.ShouldBe(2);
using (_stub.VerifyChangedOnce("Int"))
{
_stub.Collection.RemoveAt(1);
}
_stub.Int.ShouldBe(1);
using (_stub.VerifyChangedOnce("Int"))
{
item.Int = 3;
}
_stub.Int.ShouldBe(3);
}
}
public void ShouldNotSubscribeToCollectionItemsIfTheirPropertiesAreNotReferenced()
{
_binder.Bind(x => string.Join(";", x.Collection.Select(s => s.ToString()).ToArray())).To(x => x.String);
_stub.Collection = new ObservableCollection <UniversalStub>();
var item1 = new UniversalStub {
String = "1"
};
_stub.Collection.Add(item1);
using (_binder.Attach(_stub))
{
item1.SubscriptionsCount.ShouldBe(0);
}
}
public void ShouldWorkOnNonObservableCollection()
{
_binder.Bind(x => string.Join(";", x.EnumerableCollection.Select(s => s.String))).To(x => x.String);
var stub1 = new UniversalStub {
String = "1"
};
var stub2 = new UniversalStub {
String = "2"
};
_stub.EnumerableCollection = new[] { stub1, stub2 };
using (_binder.Attach(_stub))
{
_stub.String.ShouldBe("1;2");
stub1.String = "a";
_stub.String.ShouldBe("a;2");
}
}
public void ModifiedClonedBindersShouldNotAffectOriginalOnes()
{
_binder.Bind(x => x.Int.ToString()).To(x => x.String);
var binder2 = _binder.Clone <UniversalStub>();
binder2.Bind(x => x.Flag.ToString()).To(x => x.String2);
using (_binder.Attach(_stub))
{
_stub.String.ShouldBe("0");
using (_stub.VerifyChangedOnce("String"))
{
_stub.Int = 1;
}
_stub.String.ShouldBe("1");
_stub.String2.ShouldBe(null);
using (_stub.VerifyNotChanged("String2"))
{
_stub.Flag = true;
}
_stub.String2.ShouldBe(null);
}
_stub = new UniversalStub();
using (binder2.Attach(_stub))
{
_stub.String.ShouldBe("0");
using (_stub.VerifyChangedOnce("String"))
{
_stub.Int = 1;
}
_stub.String.ShouldBe("1");
_stub.String2.ShouldBe("False");
using (_stub.VerifyChangedOnce("String2"))
{
_stub.Flag = true;
}
_stub.String2.ShouldBe("True");
}
}
public void ModifiedClonedBindersShouldNotAffectOriginalOnes()
{
_binder.Bind(x => x.Int.ToString()).To(x => x.String);
var binder2 = _binder.Clone<UniversalStub>();
binder2.Bind(x => x.Flag.ToString()).To(x => x.String2);
using (_binder.Attach(_stub))
{
_stub.String.ShouldBe("0");
using (_stub.VerifyChangedOnce("String"))
{
_stub.Int = 1;
}
_stub.String.ShouldBe("1");
_stub.String2.ShouldBe(null);
using (_stub.VerifyNotChanged("String2"))
{
_stub.Flag = true;
}
_stub.String2.ShouldBe(null);
}
_stub = new UniversalStub();
using (binder2.Attach(_stub))
{
_stub.String.ShouldBe("0");
using (_stub.VerifyChangedOnce("String"))
{
_stub.Int = 1;
}
_stub.String.ShouldBe("1");
_stub.String2.ShouldBe("False");
using (_stub.VerifyChangedOnce("String2"))
{
_stub.Flag = true;
}
_stub.String2.ShouldBe("True");
}
}
public void ShouldBindIndexedField()
{
var binder = new Binder<UniversalStub>();
var stub = new UniversalStub();
stub.Dictionary = new ObservableDictionary<string>();
binder.Bind(x => x.Dictionary["test"]).To(x => x.String);
using (binder.Attach(stub))
{
stub.String.ShouldBe(null);
using (stub.VerifyChangedOnce("String"))
{
stub.Dictionary.Add("test", "a");
}
stub.String.ShouldBe("a");
}
}
public void ShouldBindIndexedField()
{
var binder = new Binder <UniversalStub>();
var stub = new UniversalStub();
stub.Dictionary = new ObservableDictionary <string>();
binder.Bind(x => x.Dictionary["test"]).To(x => x.String);
using (binder.Attach(stub))
{
stub.String.ShouldBe(null);
using (stub.VerifyChangedOnce("String"))
{
stub.Dictionary.Add("test", "a");
}
stub.String.ShouldBe("a");
}
}
public void ShouldNotOverrideBindingRulesIfKeysAreDifferent()
{
_binder.Bind(x => x.Int.ToString()).OverrideKey("test1").To(x => x.String);
_binder.Bind(x => x.String2).DoNotOverride().OverrideKey("test2").To(x => x.String);
_stub = new UniversalStub();
using (_binder.Attach(_stub))
{
_stub.String.ShouldBe(null);
using (_stub.VerifyChangedOnce("String"))
{
_stub.Int = 1;
}
_stub.String.ShouldBe("1");
using (_stub.VerifyChangedOnce("String"))
{
_stub.String2 = "a";
}
_stub.String.ShouldBe("a");
}
}
public void ShouldOverrideBindingRules()
{
_binder.Bind(x => x.Int.ToString()).To(x => x.String);
_binder.Bind(x => x.String2).To(x => x.String);
_stub = new UniversalStub();
using (_binder.Attach(_stub))
{
_stub.String.ShouldBe(null);
using (_stub.VerifyNotChanged("String"))
{
_stub.Int = 1;
}
_stub.String2.ShouldBe(null);
using (_stub.VerifyChangedOnce("String"))
{
_stub.String2 = "a";
}
_stub.String2.ShouldBe("a");
}
}
public void ShouldOverrideConditionalBindingRulesByCustomKey()
{
_binder.BindIf(x => true, x => x.Int.ToString()).OverrideKey("mykey").To((x, v) => x.String = v);
_binder.BindIf(x => true, x => x.String2).OverrideKey("mykey").To((x, v) => x.String = v);
_stub = new UniversalStub();
using (_binder.Attach(_stub))
{
_stub.String.ShouldBe(null);
using (_stub.VerifyNotChanged("String"))
{
_stub.Int = 1;
}
_stub.String2.ShouldBe(null);
using (_stub.VerifyChangedOnce("String"))
{
_stub.String2 = "a";
}
_stub.String2.ShouldBe("a");
}
}
public void ShouldNotOverrideBindingRulesIfKeysAreDifferent()
{
_binder.Bind(x => x.Int.ToString()).OverrideKey("test1").To(x => x.String);
_binder.Bind(x => x.String2).DoNotOverride().OverrideKey("test2").To(x => x.String);
_stub = new UniversalStub();
using (_binder.Attach(_stub))
{
_stub.String.ShouldBe(null);
using (_stub.VerifyChangedOnce("String"))
{
_stub.Int = 1;
}
_stub.String.ShouldBe("1");
using (_stub.VerifyChangedOnce("String"))
{
_stub.String2 = "a";
}
_stub.String.ShouldBe("a");
}
}
public void ShouldOverrideBindingRules()
{
_binder.Bind(x => x.Int.ToString()).To(x => x.String);
_binder.Bind(x => x.String2).To(x => x.String);
_stub = new UniversalStub();
using (_binder.Attach(_stub))
{
_stub.String.ShouldBe(null);
using (_stub.VerifyNotChanged("String"))
{
_stub.Int = 1;
}
_stub.String2.ShouldBe(null);
using (_stub.VerifyChangedOnce("String"))
{
_stub.String2 = "a";
}
_stub.String2.ShouldBe("a");
}
}
public void ShouldDowncastClasses()
{
var binder = new Binder <UniversalStub>();
binder.Bind(x => ((UniversalStubEx)x.Nested).String3).To(x => x.String);
var stub = new UniversalStub();
var stubEx = new UniversalStubEx();
stub.Nested = stubEx;
using (binder.Attach(stub))
{
stub.String.ShouldBe(null);
stubEx.String3 = "a";
stub.String.ShouldBe("a");
stub.Nested = new UniversalStubEx {
String3 = "b"
};
stub.String.ShouldBe("b");
}
}
public void ShouldWorkOnObservableCollectionDeclaredAsEnumerable()
{
_binder.Bind(x => string.Join(";", x.EnumerableCollection.Select(s => s.String))).To(x => x.String);
var stub1 = new UniversalStub {
String = "1"
};
var stub2 = new UniversalStub {
String = "2"
};
var collection = new ObservableCollection <UniversalStub>(new[] { stub1, stub2 });
_stub.EnumerableCollection = collection;
using (_binder.Attach(_stub))
{
_stub.String.ShouldBe("1;2");
collection.Add(new UniversalStub {
String = "3"
});
_stub.String.ShouldBe("1;2;3");
stub1.String = "a";
_stub.String.ShouldBe("a;2;3");
}
}
public void ShouldOverrideMultipleRules()
{
_binder.Bind(x => x.Int.ToString()).To(x => x.String);
_binder.Bind(x => x.Flag.ToString()).To(x => x.String2);
_binder.Bind(x => x.Int.ToString() + "2").To(x => x.String);
_binder.Bind(x => x.Flag.ToString() + "2").To(x => x.String2);
_stub = new UniversalStub();
using (_binder.Attach(_stub))
{
_stub.String.ShouldBe("02");
_stub.String2.ShouldBe("False2");
using (_stub.VerifyChangedOnce("String"))
{
_stub.Int = 1;
}
_stub.String.ShouldBe("12");
using (_stub.VerifyChangedOnce("String2"))
{
_stub.Flag = true;
}
_stub.String2.ShouldBe("True2");
}
}
public void ShouldOverrideConditionalBindingRulesByCustomKey()
{
_binder.BindIf(x => true, x => x.Int.ToString()).OverrideKey("mykey").To((x, v) => x.String = v);
_binder.BindIf(x => true, x => x.String2).OverrideKey("mykey").To((x, v) => x.String = v);
_stub = new UniversalStub();
using (_binder.Attach(_stub))
{
_stub.String.ShouldBe(null);
using (_stub.VerifyNotChanged("String"))
{
_stub.Int = 1;
}
_stub.String2.ShouldBe(null);
using (_stub.VerifyChangedOnce("String"))
{
_stub.String2 = "a";
}
_stub.String2.ShouldBe("a");
}
}
private static void ActionBinding(UniversalStub stub, int source)
{
stub.Int = source;
}
public void ShouldNotBindToTheSameCollectionItemTwice()
{
_binder.Bind(x => x.Collection.Sum(y => y.Int)).To(x => x.Int);
using (_binder.Attach(_stub))
{
var item = new UniversalStub();
_stub.Collection.Add(item);
_stub.Collection.Add(item);
_stub.Int.ShouldBe(0);
using (_stub.VerifyChangedOnce("Int"))
{
item.Int = 1;
}
_stub.Int.ShouldBe(2);
using (_stub.VerifyChangedOnce("Int"))
{
_stub.Collection.RemoveAt(1);
}
_stub.Int.ShouldBe(1);
using (_stub.VerifyChangedOnce("Int"))
{
item.Int = 3;
}
_stub.Int.ShouldBe(3);
}
}
public void ShouldNotSubscribeToCollectionItemsIfTheirPropertiesAreNotReferenced()
{
_binder.Bind(x => string.Join(";", x.Collection.Select(s => s.ToString()).ToArray())).To(x => x.String);
_stub.Collection = new ObservableCollection<UniversalStub>();
var item1 = new UniversalStub { String = "1" };
_stub.Collection.Add(item1);
using (_binder.Attach(_stub))
{
item1.SubscriptionsCount.ShouldBe(0);
}
}
private static bool ExternalCondition(UniversalStub stub)
{
return(stub.Flag);
}
public void ShouldUnsubscribeFromRemovedItems()
{
_binder.Bind(x => string.Join(";", x.Collection.Select(s => s.String).ToArray())).To(x => x.String);
_stub.Collection = new ObservableCollection<UniversalStub>();
var item1 = new UniversalStub { String = "1" };
var item2 = new UniversalStub { String = "2" };
_stub.Collection.Add(item1);
_stub.Collection.Add(item2);
using (_binder.Attach(_stub))
{
_stub.String.ShouldBe("1;2");
item1.SubscriptionsCount.ShouldBe(1);
item2.SubscriptionsCount.ShouldBe(1);
using (_stub.VerifyChangedOnce("String"))
{
_stub.Collection.Remove(item1);
}
_stub.String.ShouldBe("2");
item1.SubscriptionsCount.ShouldBe(0);
}
item2.SubscriptionsCount.ShouldBe(0);
}
public void SetUp()
{
_binder = new Binder <UniversalStub>();
_stub = new UniversalStub();
}
private static bool ExternalCondition(UniversalStub stub)
{
return stub.Flag;
}
