public void IgnoresMissingMetadataColumns()
{
string document = "value,[Metadata]\n123";
Func<TextReader> documentReaderProvider = delegate { return new StringReader(document); };
CsvDataSet dataSet = new CsvDataSet(documentReaderProvider, false)
{
HasHeader = true
};
DataBinding binding = new DataBinding(0, null);
List<IDataItem> items = new List<IDataItem>(dataSet.GetItems(new DataBinding[] { binding }, true));
Assert.AreEqual("123", items[0].GetValue(binding));
PropertyBag map = DataItemUtils.GetMetadata(items[0]);
Assert.IsFalse(map.ContainsKey("Metadata"));
}
public void CanGetDescriptiveDataBindingsFromItem()
{
CsvDataSet dataSet = new CsvDataSet(delegate { return new StringReader("Fruit,[Metadata]\nApples, x, 2\n"); }, false);
dataSet.HasHeader = true;
List<IDataItem> items = new List<IDataItem>(dataSet.GetItems(EmptyArray<DataBinding>.Instance, false));
Assert.AreElementsEqual(new[]
{
new DataBinding(0, "Fruit"),
new DataBinding(1, "[Metadata]"),
new DataBinding(2, null)
}, items[0].GetBindingsForInformalDescription());
}
public void ProducesMetadata()
{
string document = "value,[Metadata]\n123,abc\n456,def";
Func<TextReader> documentReaderProvider = delegate { return new StringReader(document); };
CsvDataSet dataSet = new CsvDataSet(documentReaderProvider, false);
dataSet.HasHeader = true;
dataSet.DataLocationName = "<inline>";
Assert.AreEqual("<inline>", dataSet.DataLocationName);
DataBinding binding = new DataBinding(0, null);
List<IDataItem> items = new List<IDataItem>(dataSet.GetItems(new DataBinding[] { binding }, true));
Assert.AreEqual("123", items[0].GetValue(binding));
PropertyBag map = DataItemUtils.GetMetadata(items[0]);
Assert.AreEqual("<inline>(2)", map.GetValue(MetadataKeys.DataLocation));
Assert.AreEqual("abc", map.GetValue("Metadata"));
Assert.AreEqual("456", items[1].GetValue(binding));
map = new PropertyBag();
items[1].PopulateMetadata(map);
Assert.AreEqual("<inline>(3)", map.GetValue(MetadataKeys.DataLocation));
Assert.AreEqual("def", map.GetValue("Metadata"));
}
public void GetItemsReturnsNothingIfIsDynamicAndNotIncludingDynamicRows()
{
CsvDataSet dataSet = new CsvDataSet(delegate { return new StringReader(""); }, true);
List<IDataItem> items = new List<IDataItem>(dataSet.GetItems(EmptyArray<DataBinding>.Instance, false));
Assert.Count(0, items);
}
public void BindValues(string document, char fieldDelimiter, char commentPrefix, bool hasHeader,
int? bindingIndex, string bindingPath, string[] expectedValues)
{
Func<TextReader> documentReaderProvider = delegate { return new StringReader(document); };
CsvDataSet dataSet = new CsvDataSet(documentReaderProvider, false);
dataSet.FieldDelimiter = fieldDelimiter;
Assert.AreEqual(fieldDelimiter, dataSet.FieldDelimiter);
dataSet.CommentPrefix = commentPrefix;
Assert.AreEqual(commentPrefix, dataSet.CommentPrefix);
dataSet.HasHeader = hasHeader;
Assert.AreEqual(hasHeader, dataSet.HasHeader);
DataBinding binding = new DataBinding(bindingIndex, bindingPath);
List<IDataItem> items = new List<IDataItem>(dataSet.GetItems(new DataBinding[] { binding }, true));
string[] actualValues = GenericCollectionUtils.ConvertAllToArray<IDataItem, string>(items, delegate(IDataItem item)
{
return (string) item.GetValue(binding);
});
Assert.AreEqual(expectedValues, actualValues);
}