/// <summary>Creates the column to property mapper</summary>
protected override void CreateMappings()
{
ColumnMapList.Clear();
var mapper = new ColumnToPropertyMapper <T>(Configuration, DefaultConverterFactory, ColumnIndexDefaultValue);
ColumnMapList.AddRange(mapper.CreateWriteMap());
}
public void IgnoreWhenReading_WhenSpecifiedWith_IgnoreWhenWriting_InTwoAttributes_OneMapIsCreatedAndIgnoreWhenReadingIsFalse()
{
// Why?
// You got both a READ and WRITE converter here! You basically told the mapper that you wanted the
// the CsvConverterNumber converter for reading and writing on this property type. The purpose behind letting a user
// specify two converter attributes is so that they could be DIFFERENT for reading and writing. If your intent
// is to tell the mapper to ignore it use [CsvConverterNumber(IgnoreWhenReading = true, IgnoreWhenWriting = true)] instead!
// Arrange
var classUnderTest = new ColumnToPropertyMapper <ColumnToPropertyMapperTestsData1>(
new CsvConverterConfiguration(), new DefaultTypeConverterFactory(), -1);
var listOfHeaders = new List <string>()
{
"Data1", "Data2", "PercentageMuscle"
};
// Act
List <ColumnToPropertyMap> maps = classUnderTest.CreateReadMap(listOfHeaders);
// Assert
ColumnToPropertyMap map = maps.Where(w => w.ColumnName == "PercentageMuscle").SingleOrDefault();
Assert.IsNotNull(map);
Assert.IsFalse(map.IgnoreWhenReading);
Assert.IsNotNull(map.ReadConverter);
}
public void IgnoreWhenWriting_WhenSpecifiedWith_IgnoreWhenReading_InOneAttribute_NoMapIsCreated()
{
// Arrange
var classUnderTest = new ColumnToPropertyMapper <ColumnToPropertyMapperTestsData1>(
new CsvConverterConfiguration(), new DefaultTypeConverterFactory(), -1);
// Act
List <ColumnToPropertyMap> maps = classUnderTest.CreateWriteMap();
// Assert
ColumnToPropertyMap map = maps.Where(w => w.ColumnName == "Length").FirstOrDefault();
Assert.IsNull(map);
}
public void IgnoreWhenWriting_WhenSpecifiedWithBothAsFalse_OneMapIsCreatedAndIgnoreWhenWritingIsFalse()
{
// It's a stupid thing to do, but it's legal.
// Arrange
var classUnderTest = new ColumnToPropertyMapper <ColumnToPropertyMapperTestsData1>(
new CsvConverterConfiguration(), new DefaultTypeConverterFactory(), -1);
// Act
List <ColumnToPropertyMap> maps = classUnderTest.CreateWriteMap();
// Assert
ColumnToPropertyMap map = maps.Where(w => w.ColumnName == "HasJumperCables").SingleOrDefault();
Assert.IsNotNull(map);
Assert.IsFalse(map.IgnoreWhenWriting);
Assert.IsNotNull(map.WriteConverter);
}
public void IgnoreWhenReading_WhenSpecifiedWith_IgnoreWhenWriting_InOneAttribute_OneMapIsCreatedAndIgnoreWhenReadingIsTrue()
{
// Arrange
var classUnderTest = new ColumnToPropertyMapper <ColumnToPropertyMapperTestsData1>(
new CsvConverterConfiguration(), new DefaultTypeConverterFactory(), -1);
var listOfHeaders = new List <string>()
{
"Data1", "Data2", "Length"
};
// Act
List <ColumnToPropertyMap> maps = classUnderTest.CreateReadMap(listOfHeaders);
// Assert
ColumnToPropertyMap map = maps.Where(w => w.ColumnName == "Length").SingleOrDefault();
Assert.IsNotNull(map);
Assert.IsTrue(map.IgnoreWhenReading);
Assert.IsNull(map.ReadConverter);
}
/// <summary>Creates the mappings necessary for each property.</summary>
/// <returns></returns>
protected override void CreateMappings()
{
ColumnMapList.Clear();
_columnDictionary.Clear();
// Retrieve the header row if the file has one!
List <string> headerColumns = Configuration.HasHeaderRow ? _rowReader.ReadRow() : new List <string>();
// Map the class properties to a mapper
var mapper = new ColumnToPropertyMapper <T>(Configuration, DefaultConverterFactory, ColumnIndexDefaultValue);
ColumnMapList.AddRange(mapper.CreateReadMap(headerColumns));
// Map all the columns into a dictionary
foreach (ColumnToPropertyMap map in ColumnMapList)
{
if (map.ColumnIndex > 0)
{
_columnDictionary.Add(map.ColumnIndex, map);
}
}
}
