public static IEnumerable<string> AllValuesForColumn(int columnIndex, Model model)
{
yield return model.Header.Skip(columnIndex).First();
foreach (var row in model.Rows)
{
yield return row.Skip(columnIndex).First();
}
}
static void RenderRows(Model model, int[] widths, StringBuilder result)
{
foreach (var row in model.Rows)
{
for (var i = 0; i < model.Header.Count(); i++)
{
result.Append(row.Skip(i).First().PadRight(widths.Skip(i).First())).Append("|");
}
result.AppendLine();
}
}
public void AllValues_Should_YieldAllValues()
{
var model = new Model();
model.SetHeader(new[] { "Foo", "Bar" });
model.AddRow(new[] { "1", "2" });
model.AddRow(new[] { "1111", "2222" });
var column1 = Model.AllValuesForColumn(0, model);
var column2 = Model.AllValuesForColumn(1, model);
CollectionAssert.AreEqual(column1, new [] { "Foo","1", "1111" });
CollectionAssert.AreEqual(column2, new [] { "Bar","2", "2222" });
}
public string Format(Model model)
{
var widths = model.Header
.Select((c, index) => Model.AllValuesForColumn(index, model))
.Select(colValues => colValues.Max(x => x.Length))
.ToArray();
var result = new StringBuilder();
RenderHeader(model, widths, result);
RenderRows(model, widths, result);
return result.ToString();
}
static void RenderHeader(Model model, int[] widths, StringBuilder result)
{
for (var i = 0; i < model.Header.Count(); i++)
{
result.Append(model.Header.Skip(i).First().PadRight(widths.Skip(i).First())).Append("|");
}
result.AppendLine();
for (var i = 0; i < model.Header.Count(); i++)
{
result.Append(new string('-', widths.Skip(i).First())).Append("+");
}
result.AppendLine();
}
public void CanRenderSimpleTable()
{
var model = new Model();
model.SetHeader(new[] { "Foo", "Bar" });
model.AddRow(new[] { "1", "2" });
model.AddRow(new[] { "1111", "2222" });
var output = new TableFormatter().Format(model);
Assert.AreEqual(@"Foo |Bar |
----+----+
1 |2 |
1111|2222|
", output);
}
public void ShouldYieldNumberOfPages()
{
var model = new Model();
model.SetHeader(new[] { "Foo", "Bar" });
model.AddRow(new[] { "1", "2" });
model.AddRow(new[] { "1111", "2222" });
model.AddRow(new[] { "1111", "2222" });
model.AddRow(new[] { "1111", "2222" });
model.AddRow(new[] { "1111", "2222" });
model.AddRow(new[] { "1111", "2222" });
model.AddRow(new[] { "1111", "2222" });
var paged = new PagedModel(model, 0, 2);
Assert.AreEqual(3, paged.MaxPageIndex);
}
public void CanRenderPagedTable_Page1()
{
var model = new Model();
model.SetHeader(new[] { "Foo", "Bar" });
model.AddRow(new[] { "1", "2" });
model.AddRow(new[] { "1111", "2222" });
var page1 = new PagedModel(model, 1, 1);
var output = new TableFormatter().Format(page1);
Assert.AreEqual(@"Foo |Bar |
----+----+
1111|2222|
", output);
}
public void RowsOfNumbredModel_Should_ContainNumbers()
{
var model = new Model()
.SetHeader(new[] { "header" })
.AddRow(new[] { "one" })
.AddRow(new[] { "two" });
var numbered = new NumberedModel(model);
Assert.AreEqual(2, numbered.Header.Count());
Assert.AreEqual(2, numbered.Rows.First().Count());
Assert.AreEqual("No.", numbered.Header.First());
Assert.AreEqual("1.", numbered.Rows.First().First());
Assert.AreEqual("2.", numbered.Rows.Skip(1).First().First());
}
public Model Read(Stream input)
{
var result = new Model();
using (var reader = new StreamReader(input))
{
Action<IEnumerable<string>> addRow = items => result.AddRow(items);
Action<IEnumerable<string>> add = items => result.SetHeader(items);
string line;
while ((line = reader.ReadLine()) != null)
{
var items = line.Split(';');
add(items);
add = addRow;
}
}
return result;
}
public NumberedModel(Model model)
{
_model = model;
}
