public void FindMonthWithColdestMaxTemperature()
{
var expected = new MonthlyStationData(1948, 2, 7.9, 2.2, null, 26.0, null, null, false);
var actual = sampleMonthlyData.MonthWithColdestMaxTemperature;
Expect(actual, Is.EqualTo(expected));
}
public void FindHottestMaxTemperature()
{
var expected = new MonthlyStationData(2005, 7, 23.3, 14.1, 0, 45.8, 202.5, true, false);
var actual = sampleMonthlyData.HottestMonth;
Expect(actual, Is.EqualTo(expected));
}
public void FindColdestMinTemperatureAvoidNulls()
{
sampleMonthlyData.Add(new MonthlyStationData(1947, 2, 7.9, null, null, 26.0, null, null, false));
var expected = new MonthlyStationData(1948, 2, 7.9, 2.2, null, 26.0, null, null, false);
var actual = sampleMonthlyData.ColdestMonth;
Expect(actual, Is.EqualTo(expected));
}
public static bool ParseDataLine(string line, ref MonthlyStationData monthlyStationData)
{
if (String.IsNullOrWhiteSpace(line))
{
return false;
}
char[] delimiters = { ' ' };
var parts = line.Trim().Split(delimiters, StringSplitOptions.RemoveEmptyEntries);
var i = 0;
var yearPart = parts.Length > i ? parts[i++] : "";
var monthPart = parts.Length > i ? parts[i++] : "";
var maxTemperaturePart = parts.Length > i ? parts[i++] : "";
var minTemperaturePart = parts.Length > i ? parts[i++] : "";
var airFrostPart = parts.Length > i ? parts[i++] : "";
var rainPart = parts.Length > i ? parts[i++] : "";
var sunshinePart = parts.Length > i ? parts[i++] : "";
var provisionalPart = parts.Length > i ? parts[i++] : "";
int year, month;
if (int.TryParse(yearPart, out year) && int.TryParse(monthPart, out month))
{
double? maxTemperature = PartToNullableDouble(maxTemperaturePart);
double? minTemperature = PartToNullableDouble(minTemperaturePart);
int? airFrost = null;
if (!DatumIsMissing(airFrostPart))
{
int airFrostValue;
if (int.TryParse(airFrostPart, out airFrostValue))
{
airFrost = airFrostValue;
}
}
double? rain = PartToNullableDouble(rainPart);
double? sunshine = null;
bool? campbellStokes = null;
if (!DatumIsMissing(sunshinePart))
{
if (sunshinePart.EndsWith("#"))
{
campbellStokes = false;
sunshinePart = sunshinePart.Remove(sunshinePart.IndexOf('#'));
}
else
{
campbellStokes = true;
}
sunshine = PartToNullableDouble(sunshinePart);
}
var provisional = provisionalPart == "Provisional";
monthlyStationData = new MonthlyStationData(year, month, maxTemperature, minTemperature,
airFrost, rain, sunshine, campbellStokes, provisional);
return true;
}
return false;
}
public void ParseDataLineWithProvisional()
{
var expected = new MonthlyStationData(2013, 5, 16.4, 7.7, 0, 41.8, 163.3, false, true);
var line = " 2013 5 16.4 7.7 0 41.8 163.3# Provisional";
MonthlyStationData actual = null;
if (StationDataFile.ParseDataLine(line, ref actual))
{
Expect(actual, Is.EqualTo(expected));
}
}
public void ParseDataLineWithNulls()
{
var expected = new MonthlyStationData(1948, 2, 7.9, 2.2, null, 26.0, null, null, false);
var line = " 1948 2 7.9 2.2 --- 26.0 ---";
MonthlyStationData actual = null;
if (StationDataFile.ParseDataLine(line, ref actual))
{
Expect(actual, Is.EqualTo(expected));
}
}
public void ParseDataLineWithKippAndZonen()
{
var line = " 2012 12 9.0 2.6 10 95.8 58.0#";
var expected = new MonthlyStationData(2012, 12, 9.0, 2.6, 10, 95.8, 58.0, false, false);
MonthlyStationData actual = null;
if (StationDataFile.ParseDataLine(line, ref actual))
{
Expect(actual, Is.EqualTo(expected));
}
}
public void ParseDataLine()
{
var expected = new MonthlyStationData(2005, 7, 23.3, 14.1, 0, 45.8, 202.5, true, false);
var line = " 2005 7 23.3 14.1 0 45.8 202.5";
MonthlyStationData actual = null;
if (StationDataFile.ParseDataLine(line, ref actual))
{
Expect(actual, Is.EqualTo(expected));
}
}
public void FindMonthWithHottestMinTemperatureAvoidNulls()
{
sampleMonthlyData.Add(new MonthlyStationData(1947, 7, 23.3, null, 0, 45.8, 202.5, true, false));
var expected = new MonthlyStationData(2005, 7, 23.3, 14.1, 0, 45.8, 202.5, true, false);
var actual = sampleMonthlyData.MonthWithHottestMinTemperature;
Expect(actual, Is.EqualTo(expected));
}
