public void Ctor_NullPipeline_ThrowsArgumentNullException()
{
var cellValuesReader = new MultipleColumnNamesValueReader("Column");
CreateDictionaryFactory <string> createDictionaryFactory = elements => new Dictionary <string, string>();
Assert.Throws <ArgumentNullException>("valuePipeline", () => new ManyToOneDictionaryMap <string>(cellValuesReader, null, createDictionaryFactory));
}
public void Ctor_NullCellValuesReader_ThrowsArgumentNullException()
{
var valuePipeline = new ValuePipeline <string>();
CreateDictionaryFactory <string> createDictionaryFactory = elements => new Dictionary <string, string>();
Assert.Throws <ArgumentNullException>("cellValuesReader", () => new ManyToOneDictionaryMap <string>(null, valuePipeline, createDictionaryFactory));
}
public void CellValuesReader_SetNull_ThrowsArgumentNullException()
{
var cellValuesReader = new MultipleColumnNamesValueReader("Column");
var valuePipeline = new ValuePipeline <string>();
CreateDictionaryFactory <string> createDictionaryFactory = elements => new Dictionary <string, string>();
var propertyMap = new ManyToOneDictionaryMap <string>(cellValuesReader, valuePipeline, createDictionaryFactory);
Assert.Throws <ArgumentNullException>("value", () => propertyMap.CellValuesReader = null);
}
public void Ctor_MemberInfo_IMultipleCellValuesReader_IValuePipeline_CreateDictionaryFactory()
{
var cellValuesReader = new MultipleColumnNamesValueReader("Column");
var valuePipeline = new ValuePipeline <string>();
CreateDictionaryFactory <string> createDictionaryFactory = elements => new Dictionary <string, string>();
var propertyMap = new ManyToOneDictionaryMap <string>(cellValuesReader, valuePipeline, createDictionaryFactory);
Assert.NotNull(propertyMap.ValuePipeline);
}
public void WithColumnNames_EmptyColumnNames_ThrowsArgumentException()
{
var cellValuesReader = new MultipleColumnNamesValueReader("Column");
var valuePipeline = new ValuePipeline <string>();
CreateDictionaryFactory <string> createDictionaryFactory = elements => new Dictionary <string, string>();
var propertyMap = new ManyToOneDictionaryMap <string>(cellValuesReader, valuePipeline, createDictionaryFactory).WithColumnNames("ColumnNames");
Assert.Throws <ArgumentException>("columnNames", () => propertyMap.WithColumnNames(new string[0]));
Assert.Throws <ArgumentException>("columnNames", () => propertyMap.WithColumnNames(new List <string>()));
}
public void WithColumnNames_ParamsString_Success()
{
var columnNames = new string[] { "ColumnName1", "ColumnName2" };
var cellValuesReader = new MultipleColumnNamesValueReader("Column");
var valuePipeline = new ValuePipeline <string>();
CreateDictionaryFactory <string> createDictionaryFactory = elements => new Dictionary <string, string>();
var propertyMap = new ManyToOneDictionaryMap <string>(cellValuesReader, valuePipeline, createDictionaryFactory).WithColumnNames("ColumnNames");
Assert.Same(propertyMap, propertyMap.WithColumnNames(columnNames));
MultipleColumnNamesValueReader valueReader = Assert.IsType <MultipleColumnNamesValueReader>(propertyMap.CellValuesReader);
Assert.Same(columnNames, valueReader.ColumnNames);
}
public void WithValueMap_ValidMap_Success()
{
var cellValuesReader = new MultipleColumnNamesValueReader("Column");
var valuePipeline = new ValuePipeline <string>();
CreateDictionaryFactory <string> createDictionaryFactory = elements => new Dictionary <string, string>();
var propertyMap = new ManyToOneDictionaryMap <string>(cellValuesReader, valuePipeline, createDictionaryFactory);
var newValuePipeline = new ValuePipeline <string>();
Assert.Same(propertyMap, propertyMap.WithValueMap(e =>
{
Assert.Same(e, propertyMap.ValuePipeline);
return(newValuePipeline);
}));
Assert.Same(newValuePipeline, propertyMap.ValuePipeline);
}
public void CellValuesReader_SetValid_GetReturnsExpected(IMultipleCellValuesReader value)
{
var cellValuesReader = new MultipleColumnNamesValueReader("Column");
var valuePipeline = new ValuePipeline <string>();
CreateDictionaryFactory <string> createDictionaryFactory = elements => new Dictionary <string, string>();
var propertyMap = new ManyToOneDictionaryMap <string>(cellValuesReader, valuePipeline, createDictionaryFactory)
{
CellValuesReader = value
};
Assert.Same(value, propertyMap.CellValuesReader);
// Set same.
propertyMap.CellValuesReader = value;
Assert.Same(value, propertyMap.CellValuesReader);
}
private static bool TryGetCreateDictionaryFactory <TKey, TValue>(Type memberType, out CreateDictionaryFactory <TValue> result)
{
if (memberType.IsImmutableDictionaryType())
{
MethodInfo createRangeMethod = memberType.GetImmutableDictionaryCreateRangeMethod(typeof(TValue));
result = elements =>
{
return((IDictionary <string, TValue>)createRangeMethod.Invoke(null, new object[] { elements }));
};
return(true);
}
if (memberType.GetTypeInfo().IsInterface)
{
if (memberType.GetTypeInfo().IsAssignableFrom(typeof(Dictionary <TKey, TValue>).GetTypeInfo()))
{
result = elements =>
{
var dictionary = new Dictionary <string, TValue>();
foreach (KeyValuePair <string, TValue> keyValuePair in elements)
{
dictionary.Add(keyValuePair.Key, keyValuePair.Value);
}
return(dictionary);
};
return(true);
}
}
else if (memberType.ImplementsInterface(typeof(IDictionary <TKey, TValue>)))
{
result = elements =>
{
IDictionary <string, TValue> dictionary = (IDictionary <string, TValue>)Activator.CreateInstance(memberType);
foreach (KeyValuePair <string, TValue> keyValuePair in elements)
{
dictionary.Add(keyValuePair);
}
return(dictionary);
};
return(true);
}
result = default;
return(false);
}
/// <summary>
/// Constructs a map reads one or more values from one or more cells and maps these values as element
/// contained by the property or field.
/// </summary>
/// <param name="valuePipeline">The map that maps the value of a single cell to an object of the element type of the property or field.</param>
public ManyToOneDictionaryMap(IMultipleCellValuesReader cellValuesReader, IValuePipeline <T> valuePipeline, CreateDictionaryFactory <T> createDictionaryFactory)
{
CellValuesReader = cellValuesReader ?? throw new ArgumentNullException(nameof(cellValuesReader));
ValuePipeline = valuePipeline ?? throw new ArgumentNullException(nameof(valuePipeline));
CreateDictionaryFactory = createDictionaryFactory ?? throw new ArgumentNullException(nameof(createDictionaryFactory));
}
