public void TestInputRecordDefinesAllFields()
{
// Tests that the input record has a field definition for every property on the
// output record that has been marked with the FixedWidthFieldAttribute for the input
// record defintion's record name.
var inputRecordDefinition = new Mock <IFixedWidthInputRecordDefinition>();
inputRecordDefinition.Setup(x => x.RecordName).Returns("TestRecord");
inputRecordDefinition.Setup(x => x.FieldDefinitions).Returns(
new[] {
FixedWidthInputFieldDefinition.Create("NameField", 20, x => x.Trim()),
// No family size field
FixedWidthInputFieldDefinition.Create("BirthdayField", 10, FixedWidthParser.ParseIso8601Date)
});
Assert.That(() => {
// ReSharper disable once ObjectCreationAsStatement
new FixedWidthParser <TestOutputRecord>(inputRecordDefinition.Object);
}, Throws.ArgumentException.With.Message.Contains(
"The field(s) 'FamilySizeField' on the output record TestOutputRecord were not mapped from the input record TestRecord"));
}
public void TestDuplicateFieldDefinitionsOnInputRecord()
{
// Tests that duplicate field definitions are not allowed on the input record type,
// regardless of whether that field is mapped onto the output record or not.
// Case #1 - Duplicated field (Field1) is not mapped onto the output record
var faultyInputRecordDefinition1 = new Mock <IFixedWidthInputRecordDefinition>();
faultyInputRecordDefinition1.Setup(x => x.RecordName).Returns("TestRecord");
faultyInputRecordDefinition1.Setup(x => x.FieldDefinitions).Returns(
new[] {
FixedWidthInputFieldDefinition.Create("Field1", 10, FixedWidthParser.ParseString),
FixedWidthInputFieldDefinition.Create("Field1", 20, FixedWidthParser.ParseIso8601Date),
FixedWidthInputFieldDefinition.Create("NameField", 20, FixedWidthParser.ParseString),
FixedWidthInputFieldDefinition.Create("FamilySizeField", 2, FixedWidthParser.ParseInt),
FixedWidthInputFieldDefinition.Create("BirthdayField", 10, FixedWidthParser.ParseIso8601Date)
});
Assert.That(() => {
// ReSharper disable once ObjectCreationAsStatement
new FixedWidthParser <TestOutputRecord>(faultyInputRecordDefinition1.Object);
}, Throws.ArgumentException.With.Message.Contains("Duplicate field definition at index 1 (Field1)"));
// Case #2 - Duplicated field (NameField) *is* mapped onto the output record (more serious)
var faultyInputRecordDefinition2 = new Mock <IFixedWidthInputRecordDefinition>();
faultyInputRecordDefinition2.Setup(x => x.RecordName).Returns("TestRecord");
faultyInputRecordDefinition2.Setup(x => x.FieldDefinitions).Returns(
new[] {
FixedWidthInputFieldDefinition.Create("NameField", 20, FixedWidthParser.ParseString),
FixedWidthInputFieldDefinition.Create("FamilySizeField", 2, FixedWidthParser.ParseInt),
FixedWidthInputFieldDefinition.Create("BirthdayField", 10, FixedWidthParser.ParseIso8601Date),
FixedWidthInputFieldDefinition.Create("NameField", 20, FixedWidthParser.ParseIso8601Date)
});
Assert.That(() => {
// ReSharper disable once ObjectCreationAsStatement
new FixedWidthParser <TestOutputRecord>(faultyInputRecordDefinition2.Object);
}, Throws.ArgumentException.With.Message.Contains("Duplicate field definition at index 3 (NameField)"));
}
