public void WriteCsvQuoted_ToFile_Test()
{
var filepath = "write_quoted_test.csv";
var array = np.arange(100).reshape(20, 5);
var columnNames = new string[] { "first", "second", "third",
"fourth", "fifth" };
var pd = new Pandas();
IDataFrame df1 = pd.DataFrame(array, null, columnNames, typeof(object));
df1.to_csv(filepath, quoting: 1);
using (var fr = File.OpenText(filepath))
{
Assert.Equal(string.Join(',', columnNames), fr.ReadLine());
for (var i = 0; i < array.shape[0]; i++)
{
Assert.Equal('"' + string.Join("\",\"", array[i].Data <int>()) + '"', fr.ReadLine());
}
}
}
public void WriteCsvFormated_ToFile_Test()
{
var filepath = "write_quoted_test.csv";
var array = np.arange(0, 50, 0.5).reshape(20, 5);
var columnNames = new string[] { "first", "second", "third",
"fourth", "fifth" };
var floatFormat = "E03";
var pd = new Pandas();
IDataFrame df1 = pd.DataFrame(array, null, columnNames, typeof(object));
df1.to_csv(filepath, float_format: floatFormat);
using (var fr = File.OpenText(filepath))
{
Assert.Equal(string.Join(',', columnNames), fr.ReadLine());
for (var i = 0; i < array.shape[0]; i++)
{
var formattedData = array[i].Data <double>().Select(
x => x.ToString(floatFormat));
Assert.Equal(string.Join(",", formattedData), fr.ReadLine());
}
}
}
