public void ReadCsv_CompositeObject_MissingMember_RecordsWithNullValues()
{
var serializer = new CsvSerializerContext()
{
ThrowOnFailedDeserialize = false
};
var converter = new CompositeObjectCsvConverter();
serializer.Converters.Add(converter);
serializer.Converters.Add(new SingleIntValueCsvConverter());
serializer.Converters.Add(new CompositeValueCsvConverter());
string[] csv = new string[] {
"Single,Double", // header
"15,52.1", // first record
",-15.2", // second record
"0,0", // third record
",", // fourth null record
"" // empty line after the last record
};
List <CompositeObject> result = new List <CompositeObject>();
using (var source = new StringReader(String.Join(Environment.NewLine, csv)))
using (var reader = new CsvReader(source, serializer.Configuration))
{
var naming = new CsvHeaderNamingContext();
if (reader.Read())
{
converter.ReadCsvHeader(reader, serializer);
}
while (reader.Read())
{
result.Add((CompositeObject)converter.ReadCsv(reader, typeof(CompositeObject), serializer, naming));
}
}
Assert.AreEqual(4, result.Count);
Assert.IsNotNull(result[0]);
Assert.IsNotNull(result[0].Single);
Assert.AreEqual(15, result[0].Single.Value);
Assert.IsNull(result[0].Composite);
Assert.AreEqual(52.1, result[0].Double);
Assert.IsNotNull(result[1]);
Assert.IsNull(result[1].Single);
Assert.IsNull(result[1].Composite);
Assert.AreEqual(-15.2, result[1].Double);
Assert.IsNotNull(result[2]);
Assert.IsNotNull(result[2].Single);
Assert.AreEqual(0, result[2].Single.Value);
Assert.IsNull(result[2].Composite);
Assert.AreEqual(0, result[2].Double);
Assert.IsNull(result[3]);
}
public void WriteHeader_CompositeObject_ColumnsIs4()
{
var serializer = new CsvSerializerContext();
var converter = new CompositeObjectCsvConverter();
serializer.Converters.Add(converter);
serializer.Converters.Add(new SingleIntValueCsvConverter());
serializer.Converters.Add(new CompositeValueCsvConverter());
var target = new StringWriter();
var writer = new CsvWriter(target, serializer.Configuration);
converter.WriteCsvHeader(writer, typeof(CompositeObject), serializer, new CsvHeaderNamingContext());
writer.NextRecord();
writer.Dispose();
target.Close();
Assert.AreEqual(4, converter.Columns);
}
public void ReadCsv_CompositeObject_ValidRecords()
{
var serializer = new CsvSerializerContext();
var converter = new CompositeObjectCsvConverter();
serializer.Converters.Add(converter);
serializer.Converters.Add(new SingleIntValueCsvConverter());
serializer.Converters.Add(new CompositeValueCsvConverter());
string[] csv = new string[] {
"Single,CompositeId,CompositeName,Double", // header
"15,1,Apple,52.1", // first record
"158792,2,Strawberry,-15.2", // second record
"0,3,Orange,0", // third record
"" // empty line after the last record
};
List <CompositeObject> result = new List <CompositeObject>();
using (var source = new StringReader(String.Join(Environment.NewLine, csv)))
using (var reader = new CsvReader(source, serializer.Configuration))
{
var naming = new CsvHeaderNamingContext();
if (reader.Read())
{
converter.ReadCsvHeader(reader, serializer);
}
while (reader.Read())
{
result.Add((CompositeObject)converter.ReadCsv(reader, typeof(CompositeObject), serializer, naming));
}
}
Assert.AreEqual(3, result.Count);
Assert.IsNotNull(result[0]);
Assert.IsNotNull(result[0].Single);
Assert.AreEqual(15, result[0].Single.Value);
Assert.IsNotNull(result[0].Composite);
Assert.AreEqual(1, result[0].Composite.Id);
Assert.AreEqual("Apple", result[0].Composite.Name);
Assert.AreEqual(52.1, result[0].Double);
Assert.IsNotNull(result[1]);
Assert.IsNotNull(result[1].Single);
Assert.AreEqual(158792, result[1].Single.Value);
Assert.IsNotNull(result[1].Composite);
Assert.AreEqual(2, result[1].Composite.Id);
Assert.AreEqual("Strawberry", result[1].Composite.Name);
Assert.AreEqual(-15.2, result[1].Double);
Assert.IsNotNull(result[2]);
Assert.IsNotNull(result[2].Single);
Assert.AreEqual(0, result[2].Single.Value);
Assert.IsNotNull(result[2].Composite);
Assert.AreEqual(3, result[2].Composite.Id);
Assert.AreEqual("Orange", result[2].Composite.Name);
Assert.AreEqual(0, result[2].Double);
}
public void WriteCsv_CompositeObject_RecordsWithNullValues()
{
var serializer = new CsvSerializerContext();
var converter = new CompositeObjectCsvConverter();
serializer.Converters.Add(converter);
serializer.Converters.Add(new SingleIntValueCsvConverter());
serializer.Converters.Add(new CompositeValueCsvConverter());
var target = new StringWriter();
var writer = new CsvWriter(target, serializer.Configuration);
converter.WriteCsvHeader(writer, typeof(CompositeObject), serializer, new CsvHeaderNamingContext());
writer.NextRecord();
converter.WriteCsv(new CompositeObject()
{
Composite = new MultipleValues()
{
Id = 1, Name = null
}, Single = new SingleIntValue()
{
Value = 15
}, Double = 52.1
}, writer, serializer);
writer.NextRecord();
converter.WriteCsv(new CompositeObject()
{
Composite = new MultipleValues()
{
Id = 2, Name = "Strawberry"
}, Single = null, Double = -15.2
}, writer, serializer);
writer.NextRecord();
converter.WriteCsv(new CompositeObject()
{
Composite = null, Single = new SingleIntValue()
{
Value = 0
}, Double = 0
}, writer, serializer);
writer.NextRecord();
converter.WriteCsv(null, writer, serializer);
writer.NextRecord();
writer.Dispose();
target.Close();
string[] expected = new string[] {
"Single,CompositeId,CompositeName,Double", // header
"15,1,,52.1", // first record
",2,Strawberry,-15.2", // second record
"0,,,0", // third record
",,,", // fourth null record
"" // empty line after the last record
};
Assert.AreEqual(String.Join(Environment.NewLine, expected), target.ToString());
}
