public void testThrowsOnIncorrectHeader()
{
PreFileFormatReader preFileFormatReader = new PreFileFormatReader();
string[] testingHeaderStringArrayTooShort = new string[4] {
"Tyndall Centre grim file created on 22.01.2004 at 17:57 by Dr. Tim Mitchell",
".pre = precipitation (mm)",
"[Long=-180.00, 180.00] [Lati= -90.00, 90.00] [Grid X,Y= 720, 360]",
"[Boxes= 67420] [Years=1991-2000] [Multi= 0.1000] [Missing=-999]"
};
int[] expectedYearRange = new int[2] {
1991, 2000
};
int expectednumberOfLinesPerBlock = 10;
Assert.ThrowsException <Exception>(() => preFileFormatReader.parseHeader(testingHeaderStringArrayTooShort),
"Should throw exception if header string is incorrect length");
}
public void testParseShorterYearRangePreDataBlock()
{
string[] testingHeaderStringArray = new string[5]
{
"Tyndall Centre grim file created on 22.01.2004 at 17:57 by Dr. Tim Mitchell",
".pre = precipitation(mm)",
"CRU TS 2.1",
"[Long = -180.00, 180.00][Lati = -90.00, 90.00][Grid X, Y = 720, 360]",
"[Boxes = 67420] [Years=2000-2003] [Multi = 0.1000] [Missing = -999]"
};
string[] blockDataShort = new string[]
{
"3020 2820 3040 2880 1740 1360 980 990 1410 1770 2580 2630",
"3020 2820 3040 2880 1740 1360 980 990 1410 1770 2580 2630",
"3020 2820 3040 2880 1740 1360 980 990 1410 1770 2580 2630",
"3020 2820 3040 2880 1740 1360 980 990 1410 1770 2580 2630"
};
int[] gridRefs = new int[2] {
1, 148
};
PreFileFormatReader preFileFormatReader = new PreFileFormatReader();
preFileFormatReader.parseHeader(testingHeaderStringArray);
int expectedNumberOfLinesPerBlock = 4;
Assert.AreEqual(expectedNumberOfLinesPerBlock, preFileFormatReader.numberOfLinesPerBlock, $"Expected ");
RainfallModel[,] rainfallModels = preFileFormatReader.parsePreDataBlock(gridRefs, blockDataShort);
int expectedRainfallModelsLength = 4 * 12; // Just to show how I get the value. 4 rows, 12 months.
Assert.AreEqual(expectedRainfallModelsLength, rainfallModels.Length, $"There should be {expectedRainfallModelsLength} rainfall models but {rainfallModels.Length} were created.");
}
public void testReadHeaderInfoCorrectly()
{
PreFileFormatReader preFileFormatReader = new PreFileFormatReader();
string[] testingHeaderStringArray = new string[5]
{
"Tyndall Centre grim file created on 22.01.2004 at 17:57 by Dr. Tim Mitchell",
".pre = precipitation (mm)",
"CRU TS 2.1",
"[Long=-180.00, 180.00] [Lati= -90.00, 90.00] [Grid X,Y= 720, 360]",
"[Boxes= 67420] [Years=1991-2000] [Multi= 0.1000] [Missing=-999]"
};
int[] expectedYearRange = new int[2] {
1991, 2000
};
int expectednumberOfLinesPerBlock = 10;
preFileFormatReader.parseHeader(testingHeaderStringArray);
CollectionAssert.AreEqual(expectedYearRange, preFileFormatReader.yearRange, "Year range read incorrectly from header");
Assert.AreEqual(expectednumberOfLinesPerBlock, preFileFormatReader.numberOfLinesPerBlock, "Number of lines per block read incorrectly from header");
}
public void testparsePreDataBlock()
{
PreFileFormatReader preFileFormatReader = new PreFileFormatReader();
//Load header info before reading.
string[] testingHeaderStringArray = new string[5]
{
"Tyndall Centre grim file created on 22.01.2004 at 17:57 by Dr. Tim Mitchell",
".pre = precipitation (mm)",
"CRU TS 2.1",
"[Long=-180.00, 180.00] [Lati= -90.00, 90.00] [Grid X,Y= 720, 360]",
"[Boxes= 67420] [Years=1991-2000] [Multi= 0.1000] [Missing=-999]"
};
preFileFormatReader.parseHeader(testingHeaderStringArray);
int[] gridRefs = new int[2] {
1, 148
};
string[] blockData = new string[] {
" 3020 2820 3040 2880 1740 1360 980 990 1410 1770 2580 2630",
" 3020 2820 3040 2880 1740 1360 980 990 1410 1770 2580 2630",
" 3020 2820 3040 2880 1740 1360 980 990 1410 1770 2580 2630",
" 3020 2820 3040 2880 1740 1360 980 990 1410 1770 2580 2630",
" 3020 2820 3040 2880 1740 1360 980 990 1410 1770 2580 2630",
" 3020 2820 3040 2880 1740 1360 980 990 1410 1770 2580 2630",
" 3020 2820 3040 2880 1740 1360 980 990 1410 1770 2580 2630",
" 3020 2820 3040 2880 1740 1360 980 990 1410 1770 2580 2630",
" 3020 2820 3040 2880 1740 1360 980 990 1410 1770 2580 2630",
" 3020 2820 3040 2880 1740 1360 980 990 1410 1770 2580 2630",
};
RainfallModel[,] rainfallModels = preFileFormatReader.parsePreDataBlock(gridRefs, blockData);
Assert.AreEqual(rainfallModels.Length, blockData.Length * 12, $"There should be {blockData.Length * 12} rainfall models but {rainfallModels.Length} were created.");
//Test an example model
RainfallModel expectedFirstRainfallModel = new RainfallModel()
{
guid = Guid.NewGuid(), Value = 3020, Xref = 1, Yref = 148, Date = new DateTime(1991, 1, 1)
};
RainfallModel actualFirstRainfallModel = rainfallModels[0, 0];
Assert.AreEqual(expectedFirstRainfallModel.Xref, actualFirstRainfallModel.Xref);
Assert.AreEqual(expectedFirstRainfallModel.Yref, actualFirstRainfallModel.Yref);
Assert.AreEqual(expectedFirstRainfallModel.Date, actualFirstRainfallModel.Date);
Assert.AreEqual(expectedFirstRainfallModel.Value, actualFirstRainfallModel.Value);
RainfallModel expectedLastRowFirstColumnRainfallModel = new RainfallModel()
{
guid = Guid.NewGuid(), Value = 3020, Xref = 1, Yref = 148, Date = new DateTime(2000, 1, 1)
};
RainfallModel actualLastRowFirstColumnRainfallModel = rainfallModels[0, 9];
Assert.AreEqual(expectedLastRowFirstColumnRainfallModel.Xref, actualLastRowFirstColumnRainfallModel.Xref);
Assert.AreEqual(expectedLastRowFirstColumnRainfallModel.Yref, actualLastRowFirstColumnRainfallModel.Yref);
Assert.AreEqual(expectedLastRowFirstColumnRainfallModel.Value, actualLastRowFirstColumnRainfallModel.Value);
Assert.AreEqual(expectedLastRowFirstColumnRainfallModel.Date, actualLastRowFirstColumnRainfallModel.Date);
}
