public void DataSourcePropertyChanged_ThreeDeep()
{
Control c = new Control();
c.BindingContext = new BindingContext();
c.CreateControl();
MockItem item = new MockItem("A", 0);
One parent = new One();
parent.Two = new Two();
parent.Two.Three = new Three();
parent.Two.Three.MockItem = item;
Binding binding = new Binding("Text", parent, "Two.Three.MockItem.Text");
c.DataBindings.Add(binding);
Console.WriteLine("c.Text: " + c.Text);
Assert.AreEqual("A", c.Text, "#A1");
item.Text = "B";
Assert.AreEqual("B", c.Text, "#B1");
Assert.AreEqual(1, c.DataBindings.Count, "c.DataBindings.Count");
BindingMemberInfo bmi = c.DataBindings[0].BindingMemberInfo;
Assert.AreEqual("Two.Three.MockItem", bmi.BindingPath, "bmi.BindingPath");
Assert.AreEqual("Two.Three.MockItem.Text", bmi.BindingMember, "bmi.BindingMember");
Assert.AreEqual("Text", bmi.BindingField, "bmi.BindingField");
}
public void Should_return_PropertyType_for_properties_or_fields()
{
// Given
var properties = BindingMemberInfo.Collect <TestModel>();
// When
// Then
properties.ShouldHaveCount(4);
foreach (var propInfo in properties)
{
if (propInfo.Name.StartsWith("Int"))
{
propInfo.PropertyType.ShouldEqual(typeof(int));
}
else if (propInfo.Name.StartsWith("String"))
{
propInfo.PropertyType.ShouldEqual(typeof(string));
}
else
{
throw new AssertException("Internal error in unit test: Test model property/field name does not follow the expected convention: " + propInfo.Name);
}
}
}
private static IEnumerable <BindingMemberInfo> GetBindingMembers(Type modelType, Type genericType, IEnumerable <string> blackList)
{
var blackListHash = new HashSet <string>(blackList, StringComparer.InvariantCulture);
return(BindingMemberInfo.Collect(genericType ?? modelType)
.Where(member => !blackListHash.Contains(member.Name)));
}
public void Should_deserialize_nullable_enum(TestEnum?propertyValue)
{
var context = new BindingContext()
{
DestinationType = typeof(TestModel),
ValidModelBindingMembers = BindingMemberInfo.Collect <TestModel>().ToList(),
};
var model = new TestModel {
NullableEnumProperty = propertyValue
};
var s = new JavaScriptSerializer();
var serialized = s.Serialize(model);
var bodyStream = new MemoryStream(Encoding.UTF8.GetBytes(serialized));
// When
var result = (TestModel)this.deserialize.Deserialize(
"application/json",
bodyStream,
context);
// Then
result.NullableEnumProperty.ShouldEqual(propertyValue);
}
private static bool ValidDataMember(object dataSource, string dataMember)
{
if (!string.IsNullOrEmpty(dataMember))
{
BindingManagerBase base2;
if (bc == null)
{
bc = new BindingContext();
}
BindingMemberInfo info = new BindingMemberInfo(dataMember);
PropertyDescriptorCollection itemProperties = null;
try
{
base2 = bc[dataSource, info.BindingPath];
}
catch (ArgumentException)
{
return(false);
}
if (base2 == null)
{
return(false);
}
itemProperties = base2.GetItemProperties();
if (itemProperties == null)
{
return(false);
}
if (itemProperties[info.BindingField] == null)
{
return(false);
}
}
return(true);
}
/// <summary>
/// Gets the bound property.
/// </summary>
/// <returns></returns>
protected PropertyDescriptor GetBoundProperty()
{
if (propertyDescriptor != null)
{
return(propertyDescriptor);
}
if (DataGridView.DataSource == null)
{
return(null);
}
BindingMemberInfo binding = new BindingMemberInfo(DataPropertyName);
CurrencyManager dataManager = DataGridView.BindingContext[DataGridView.DataSource, binding.BindingPath] as CurrencyManager;
if (dataManager == null)
{
return(null);
}
PropertyDescriptor property = dataManager.GetItemProperties().Find(binding.BindingField, true);
if (property == null)
{
throw new ArgumentException(DataPropertyName);
}
return(property);
}
private bool BindingMemberInfoInDataManager(BindingMemberInfo bindingMemberInfo)
{
if (_dataManager != null)
{
PropertyDescriptorCollection itemProperties = _dataManager.GetItemProperties();
int count = itemProperties.Count;
for (int i = 0; i < count; i++)
{
if (!typeof(IList).IsAssignableFrom(itemProperties[i].PropertyType) && itemProperties[i].Name.Equals(bindingMemberInfo.BindingField))
{
return(true);
}
}
for (int j = 0; j < count; j++)
{
if (!typeof(IList).IsAssignableFrom(itemProperties[j].PropertyType) && (string.Compare(itemProperties[j].Name, bindingMemberInfo.BindingField, true, CultureInfo.CurrentCulture) == 0))
{
return(true);
}
}
}
return(false);
}
public void Ctor_Default()
{
var info = new BindingMemberInfo();
Assert.Empty(info.BindingPath);
Assert.Empty(info.BindingField);
Assert.Empty(info.BindingMember);
}
public void CtorNullTest()
{
BindingMemberInfo bmi = new BindingMemberInfo(null);
Assert.AreEqual(bmi.BindingMember, String.Empty, "CTORNULL1");
Assert.AreEqual(bmi.BindingField, String.Empty, "CTORNULL2");
Assert.AreEqual(bmi.BindingPath, String.Empty, "CTORNULL3");
}
public void CtorMemberOnly()
{
BindingMemberInfo bmi = new BindingMemberInfo("Member");
Assert.AreEqual(bmi.BindingMember, "Member", "CTORMEMBER1");
Assert.AreEqual(bmi.BindingField, "Member", "CTORMEMBER2");
Assert.AreEqual(bmi.BindingPath, String.Empty, "CTORMEMBER3");
}
public void CtorMemberAndPathOnly()
{
BindingMemberInfo bmi = new BindingMemberInfo("Member.Path");
Assert.AreEqual(bmi.BindingMember, "Member.Path", "CTMAF1");
Assert.AreEqual(bmi.BindingPath, "Member", "CTMAF2");
Assert.AreEqual(bmi.BindingField, "Path", "CTMAF3");
}
public void Ctor_String(string dataMember, string expectedPath, string expectedField, string expectedMember)
{
var info = new BindingMemberInfo(dataMember);
Assert.Equal(expectedPath, info.BindingPath);
Assert.Equal(expectedField, info.BindingField);
Assert.Equal(expectedMember, info.BindingMember);
}
public void CtorAll()
{
BindingMemberInfo bmi = new BindingMemberInfo("Member.Path.Field");
Assert.AreEqual(bmi.BindingMember, "Member.Path.Field", "CTALL1");
Assert.AreEqual(bmi.BindingPath, "Member.Path", "CTALL2");
Assert.AreEqual(bmi.BindingField, "Field", "CTALL3");
}
public void CtorEmpty()
{
BindingMemberInfo bmi = new BindingMemberInfo("...");
Assert.AreEqual(bmi.BindingMember, "...", "CTEMPTY1");
Assert.AreEqual(bmi.BindingPath, "..", "CTEMPTY2");
Assert.AreEqual(bmi.BindingField, String.Empty, "CTEMPTY3");
}
public void CtorSpecialChars()
{
BindingMemberInfo bmi = new BindingMemberInfo(",/';.[]-=!.$%&*~");
Assert.AreEqual(bmi.BindingMember, ",/';.[]-=!.$%&*~", "CTORSPECIAL1");
Assert.AreEqual(bmi.BindingPath, ",/';.[]-=!", "CTORSPECIAL2");
Assert.AreEqual(bmi.BindingField, "$%&*~", "CTORSPECIAL3");
}
public void Should_deserialize_list_of_complex_objects()
{
// Given
var context = new BindingContext()
{
DestinationType = typeof(TestModel),
ValidModelBindingMembers = BindingMemberInfo.Collect <TestModel>().ToList(),
};
var model =
new TestModel
{
ListOfComplexObjectsProperty = new List <ModelWithStringValues>
{
new ModelWithStringValues()
{
Value1 = "one", Value2 = "two"
},
new ModelWithStringValues()
{
Value1 = "three", Value2 = "four"
}
},
ListOfComplexObjectsField = new List <ModelWithStringValues>
{
new ModelWithStringValues()
{
Value1 = "five", Value2 = "six"
},
new ModelWithStringValues()
{
Value1 = "seven", Value2 = "eight"
}
}
};
var s = new JavaScriptSerializer();
var serialized = s.Serialize(model);
var bodyStream = new MemoryStream(Encoding.UTF8.GetBytes(serialized));
// When
var result = (TestModel)this.deserialize.Deserialize(
"application/json",
bodyStream,
context);
// Then
result.ListOfComplexObjectsProperty.ShouldHaveCount(2);
result.ListOfComplexObjectsProperty[0].Value1.ShouldEqual("one");
result.ListOfComplexObjectsProperty[0].Value2.ShouldEqual("two");
result.ListOfComplexObjectsProperty[1].Value1.ShouldEqual("three");
result.ListOfComplexObjectsProperty[1].Value2.ShouldEqual("four");
result.ListOfComplexObjectsField.ShouldHaveCount(2);
result.ListOfComplexObjectsField[0].Value1.ShouldEqual("five");
result.ListOfComplexObjectsField[0].Value2.ShouldEqual("six");
result.ListOfComplexObjectsField[1].Value1.ShouldEqual("seven");
result.ListOfComplexObjectsField[1].Value2.ShouldEqual("eight");
}
public void Equals_Invoke_ReturnsExpected(BindingMemberInfo info, object other, bool expected)
{
if (other is BindingMemberInfo otherInfo)
{
Assert.Equal(expected, info == otherInfo);
Assert.Equal(!expected, info != otherInfo);
}
Assert.Equal(expected, info.Equals(other));
}
public void EqualsTest()
{
BindingMemberInfo a = new BindingMemberInfo("A.B.C");
BindingMemberInfo b = new BindingMemberInfo("A.B.C");
Assert.AreEqual(a, b, "EQUALS1");
b = new BindingMemberInfo("A.B");
Assert.IsFalse(a.Equals(b), "EQUALS2");
}
//Attempt to create 28/3/2005
//issue base class doesn't have public indexer, and have to pass NameValueCollection
// so see NameValueCollectionAsString
// public static string NameObjectCollectionAsString(NameValueCollection coll, string sComment /* = "" */)
// {
// string sRet = "";
// if (!String.IsNullOrEmpty(sComment))
// {
// sRet += sComment+Environment.NewLine ;
// }
// if (coll == null)
// {
// sRet +=("Collection is null: ")+Environment.NewLine ;
// }
// else
// {
// string sEntry="";
// sRet +=("NameObjectCollection Count: " + StringType.FromInteger(coll.Count));
// //ms-help://MS.VSCC.2003/MS.MSDNQTR.2003FEB.1033/cpref/html/frlrfsystemcollectionsspecializednameobjectcollectionbaseclasstopic.htm
// foreach ( String sKey in coll.Keys )
// {
// sEntry =String.Format( "{0}, {1}", sKey, coll[sKey] );
// sRet +=(sEntry);
// }
// }
// return sRet;
// }
#if WINFORMS_TRACES_REQUIRED //not used at the moment
public static string TraceString(BindingMemberInfo bInfo, [Optional] string sComment /* = "" */)
{
string text2 = "";
if (!DataHelper.IsNullOrEmpty(sComment))
{
text2 = text2 + sComment;
}
text2 = text2 + " BindingPath: " + bInfo.BindingPath + "\r\n";
text2 = text2 + " BindingField: " + bInfo.BindingField + "\r\n";
text2 = text2 + " BindingMember: " + bInfo.BindingMember + "\r\n";
//Debug.WriteLine(text2);
return(text2);
}
// <Snippet1>
private void PrintBindingMemberInfo()
{
foreach (Control c in this.Controls)
{
foreach (Binding b in c.DataBindings)
{
Console.WriteLine("\n" + c.ToString());
BindingMemberInfo bInfo = b.BindingMemberInfo;
Console.WriteLine("Binding Path \t" + bInfo.BindingPath);
Console.WriteLine("Binding Field \t" + bInfo.BindingField);
Console.WriteLine("Binding Member \t" + bInfo.BindingMember);
}
}
}
public void Should_be_able_to_use_except_on_two_lists_of_bindingMemberInfos()
{
// Given
var properties = BindingMemberInfo.Collect <TestModel>();
var except = BindingMemberInfo.Collect <TestModel>().Where(i => i.Name.Contains("Property"));
// When
var res = properties.Except(except).ToList();
// Then
res.Count.ShouldEqual(2);
res[0].Name.ShouldEqual("IntField");
res[1].Name.ShouldEqual("StringField");
}
public void Should_return_Name_for_properties_or_fields()
{
// Given
var type = typeof(TestModel);
var underlyingFieldInfo = type.GetFields().First();
var underlyingPropertyInfo = type.GetProperties().First();
// When
var fieldInfo = new BindingMemberInfo(underlyingFieldInfo);
var propertyInfo = new BindingMemberInfo(underlyingPropertyInfo);
// Then
fieldInfo.Name.ShouldEqual(underlyingFieldInfo.Name);
propertyInfo.Name.ShouldEqual(underlyingPropertyInfo.Name);
}
public void Should_return_Name_for_properties_or_fields()
{
// Given
var type = typeof(TestModel);
var underlyingFieldInfo = type.GetFields().First();
var underlyingPropertyInfo = type.GetProperties().First();
// When
var fieldInfo = new BindingMemberInfo(underlyingFieldInfo);
var propertyInfo = new BindingMemberInfo(underlyingPropertyInfo);
// Then
fieldInfo.Name.ShouldEqual(underlyingFieldInfo.Name);
propertyInfo.Name.ShouldEqual(underlyingPropertyInfo.Name);
}
public void Should_collect_all_bindable_members_and_skip_all_others()
{
// Given
// When
var properties = BindingMemberInfo.Collect <BiggerTestModel>();
// Then
properties.ShouldHaveCount(16);
foreach (var property in properties)
{
property.Name.ShouldStartWith("Bindable");
}
}
// <Snippet1>
private void PrintBindingMemberInfo()
{
foreach (Control thisControl in this.Controls)
{
foreach (Binding thisBinding in thisControl.DataBindings)
{
// Print the control's name and Binding information.
Console.WriteLine("\n" + thisControl.ToString());
BindingMemberInfo bInfo = thisBinding.BindingMemberInfo;
Console.WriteLine("Binding Path \t" + bInfo.BindingPath);
Console.WriteLine("Binding Field \t" + bInfo.BindingField);
Console.WriteLine("Binding Member \t" + bInfo.BindingMember);
}
}
}
// <Snippet1>
private void PrintBindingMemberInfo()
{
Console.WriteLine("\n BindingMemberInfo");
foreach (Control thisControl in this.Controls)
{
foreach (Binding thisBinding in thisControl.DataBindings)
{
BindingMemberInfo bInfo = thisBinding.BindingMemberInfo;
Console.WriteLine("\t BindingPath: " + bInfo.BindingPath);
Console.WriteLine("\t BindingField: " + bInfo.BindingField);
Console.WriteLine("\t BindingMember: " +
bInfo.BindingMember);
Console.WriteLine();
}
}
}
public void Should_set_properties()
{
// Given
var propInfo = BindingMemberInfo.Collect <TestModel>().Where(prop => prop.Name.EndsWith("Property"));
var model = new TestModel();
// When
propInfo.Single(prop => prop.PropertyType == typeof(int))
.SetValue(model, 2600);
propInfo.Single(prop => prop.PropertyType == typeof(string))
.SetValue(model, "R2D2");
// Then
model.IntProperty.ShouldEqual(2600);
model.StringProperty.ShouldEqual("R2D2");
}
public void Should_set_fields()
{
// Given
var propInfo = BindingMemberInfo.Collect <TestModel>().Where(prop => prop.Name.EndsWith("Field"));
var model = new TestModel();
// When
propInfo.Single(prop => prop.PropertyType == typeof(int))
.SetValue(model, 42);
propInfo.Single(prop => prop.PropertyType == typeof(string))
.SetValue(model, "nineteen");
// Then
model.IntField.ShouldEqual(42);
model.StringField.ShouldEqual("nineteen");
}
public void Should_get_properties()
{
// Given
var propInfo = BindingMemberInfo.Collect <TestModel>().Where(prop => prop.Name.EndsWith("Property"));
var model = new TestModel();
// When
model.IntProperty = 1701;
model.StringProperty = "NancyFX Unit Testing";
// Then
propInfo.Single(prop => prop.PropertyType == typeof(int))
.GetValue(model)
.ShouldEqual(1701);
propInfo.Single(prop => prop.PropertyType == typeof(string))
.GetValue(model)
.ShouldEqual("NancyFX Unit Testing");
}
public void Should_get_fields()
{
// Given
var propInfo = BindingMemberInfo.Collect <TestModel>().Where(prop => prop.Name.EndsWith("Field"));
var model = new TestModel();
// When
model.IntField = 669;
model.StringField = "testing";
// Then
propInfo.Single(prop => prop.PropertyType == typeof(int))
.GetValue(model)
.ShouldEqual(669);
propInfo.Single(prop => prop.PropertyType == typeof(string))
.GetValue(model)
.ShouldEqual("testing");
}
public void Should_deserialize_enum()
{
// Given
var json = this.serializer.Serialize(TestEnum.One);
var bodyStream = new MemoryStream(Encoding.UTF8.GetBytes(json));
var context = new BindingContext()
{
DestinationType = typeof(TestEnum),
ValidModelBindingMembers = BindingMemberInfo.Collect <TestEnum>().ToList(),
};
// When
var result = (TestEnum)this.deserialize.Deserialize(
"application/json",
bodyStream,
context);
// Then
result.ShouldEqual(TestEnum.One);
}
private static void BindValue(BindingMemberInfo modelProperty, string stringValue, BindingContext context)
{
BindValue(modelProperty, stringValue, context, context.Model);
}
private bool BindingValueIsValid(string bindingValue, object existingValue, BindingMemberInfo modelProperty, BindingContext bindingContext)
{
return (!String.IsNullOrEmpty(bindingValue) &&
(IsDefaultValue(existingValue, modelProperty.PropertyType) ||
bindingContext.Configuration.Overwrite));
}
private static void CopyValue(BindingMemberInfo modelProperty, object source, object destination)
{
var newValue = modelProperty.GetValue(source);
modelProperty.SetValue(destination, newValue);
}
private bool BindingValueIsValid(string bindingValue, object existingValue, BindingMemberInfo modelProperty, BindingContext bindingContext)
{
var passedValueContainsSomething = !String.IsNullOrEmpty(bindingValue);
var passedValueNotNull = bindingValue != null;
var doNotConvertEmptyStringsToNull = !bindingContext.Configuration.ConvertEmptyStringToNull && passedValueNotNull;
var passedValueIsTheDefaultValue = IsDefaultValue(existingValue, modelProperty.PropertyType);
var overwriteValuesThatDoNotHaveADefaultValue = bindingContext.Configuration.Overwrite;
return ((passedValueContainsSomething || doNotConvertEmptyStringsToNull) && (passedValueIsTheDefaultValue || overwriteValuesThatDoNotHaveADefaultValue));
}
protected virtual void BindValue(BindingMemberInfo modelProperty, object obj, BindingContext context)
{
if(obj == null)
{
return;
}
Type dictionaryType = typeof(Dictionary<string, object>);
//If the type is a dictionary and the PropertyType isn't then we'll bind.
if (obj.GetType() == dictionaryType && modelProperty.PropertyType != dictionaryType)
{
//We have a sub dictionary, attempt to bind it to the class
var model = Bind(obj, modelProperty.PropertyType);
modelProperty.SetValue(context.Model, model);
}
//If both types are collections then we'll bind
else if (obj.GetType().IsCollectionOrArray() && modelProperty.PropertyType.IsCollectionOrArray())
{
//We have a sub dictionary, attempt to bind it to the class
var model = Bind(obj, modelProperty.PropertyType);
modelProperty.SetValue(context.Model, model);
}
else
{
//Simply set the property
modelProperty.SetValue(context.Model, obj);
}
}
private static void BindValue(BindingMemberInfo modelProperty, string stringValue, BindingContext context, object targetInstance)
{
var destinationType = modelProperty.PropertyType;
var typeConverter =
context.TypeConverters.FirstOrDefault(c => c.CanConvertTo(destinationType, context));
if (typeConverter != null)
{
try
{
SetBindingMemberValue(modelProperty, targetInstance, typeConverter.Convert(stringValue, destinationType, context));
}
catch (Exception e)
{
throw new PropertyBindingException(modelProperty.Name, stringValue, e);
}
}
else if (destinationType == typeof(string))
{
SetBindingMemberValue(modelProperty, targetInstance, stringValue);
}
}
/// <summary>
/// Cleans the blacklisted properties from the <see cref="deserializedObject"/>.
/// If it is a an <see cref="IEnumerable"/>, the blacklisted properties from each element are cleaned.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="deserializedObject">The deserialized object.</param>
/// <param name="cachedBindingMemberInfo">The cached property information.</param>
/// <returns></returns>
private static object CleanBlacklistedMembers(BindingContext context, object deserializedObject, BindingMemberInfo[] cachedBindingMemberInfo)
{
if (context.DestinationType.IsCollection())
{
foreach (var enumerableElement in (IEnumerable)deserializedObject)
{
CleanPropertyValues(context, enumerableElement, cachedBindingMemberInfo);
}
}
else
{
CleanPropertyValues(context, deserializedObject, cachedBindingMemberInfo);
}
return deserializedObject;
}
private void CopyPropertyValue(BindingMemberInfo property, object sourceObject, object destinationObject)
{
property.SetValue(destinationObject, property.GetValue(sourceObject));
}
private static void SetBindingMemberValue(BindingMemberInfo modelProperty, object model, object value)
{
// TODO - catch reflection exceptions?
modelProperty.SetValue(model, value);
}
public static bool op_Inequality(BindingMemberInfo a, BindingMemberInfo b) {}
