public string Format(CsvTableStructure tableStructure, IEnumerable<string> input)
{
var result = new StringBuilder();
var row = 0;
foreach (var line in input)
{
var idx = 0;
var col = 1;
foreach (var fieldLength in tableStructure.RowFieldLength[row])
{
result.Append(
line.Substring(idx, fieldLength)
.PadRight(tableStructure[col], ' ') + "|");
idx += fieldLength + 1;
col++;
}
result.Append(Environment.NewLine);
if (row == 0)
AppendHeaderSeparator(tableStructure, result);
row++;
}
return result.ToString();
}
public void WhenEmptyInput()
{
ICsvLinesPreProcessor preProcessor = A.Fake<ICsvLinesPreProcessor>();
ICsvLinesFormatter formatter = A.Fake<ICsvLinesFormatter>();
CsvTableStructure tableStructure = new CsvTableStructure();
var input = new List<string>
{
string.Empty
};
A.CallTo(() => preProcessor.GetPreProcessedCsvLines(input))
.Returns(tableStructure);
var result = "theResult";
A.CallTo(() => formatter.Format(tableStructure, input))
.Returns(result);
var sut = new OutputsCsvAsTable(preProcessor, formatter);
sut.GetOutput(input).ShouldBeEquivalentTo(result);
A.CallTo(() => preProcessor.GetPreProcessedCsvLines(input))
.MustHaveHappened(Repeated.Exactly.Once);
A.CallTo(() => formatter.Format(tableStructure, input))
.MustHaveHappened(Repeated.Exactly.Once);
}
private void AppendHeaderSeparator(CsvTableStructure tableStructure, StringBuilder result)
{
for (int i = 1; i <= tableStructure.ColumnCount; i++)
result.Append(string.Empty.PadRight(tableStructure[i], '-') + "+");
result.Append(Environment.NewLine);
}