public void TestLoadStreamWithInvalidDate()
{
//arrange
MusicContractDataMapper mapper = new MusicContractDataMapper();
//act
using (Stream stream = TestHelper.GenerateStreamFromString("Artist|Title|Usages|1st Mar 2017|99 Irrelevembuary 2017"))
{
List <string> loadErrors = new List <string>();
mapper.LoadData(stream, false, out loadErrors);
stream.Close();
}
//assert
}
public void TestCanLoadStream()
{
//arrange
MusicContractDataMapper mapper = new MusicContractDataMapper();
//act
using (Stream stream = TestHelper.GenerateStreamFromString("Artist|Title|Usages|01 March 2017|28 February 2017"))
{
List <string> loadErrors = new List <string>();
mapper.LoadData(stream, false, out loadErrors);
stream.Close();
}
//assert
Assert.IsTrue(mapper.GetData().Count == 1);
Assert.IsInstanceOfType(mapper.GetData(), typeof(List <MusicContract>));
Assert.AreEqual(mapper.GetData()[0].Artist, "Artist");
}
//Attempt to load the data into the mapper with an invalid number of fields/columns
//in this test, there is no endDate field
public void TestLoadStreamWithInvalidNumberOfFields()
{
//arrange
MusicContractDataMapper mapper = new MusicContractDataMapper();
//act
using (Stream stream = TestHelper.GenerateStreamFromString("Artist|Title|Usages|01 March 2017"))
{
try
{
List <string> loadErrors = new List <string>();
mapper.LoadData(stream, false, out loadErrors);
stream.Close();
}
finally
{
stream.Close();
}
}
}
public void TestCanLoadStreamMultipleRows()
{
//arrange
var testString = "Monkey Claw|Iron Horse|digital download, streaming|1st June 2012|" + Environment.NewLine +
"Monkey Claw|Motor Mouth|digital download, streaming|1st Mar 2011|" + Environment.NewLine +
"Monkey Claw|Christmas Special|streaming|25st Dec 2012|31st Dec 2012";
//despite having an incorrect date (25st Dec 2012). The parser should correctly determine this to be 25th December
MusicContractDataMapper mapper = new MusicContractDataMapper();
//act
using (Stream stream = TestHelper.GenerateStreamFromString(testString))
{
List <string> loadErrors = new List <string>();
mapper.LoadData(stream, false, out loadErrors);
stream.Close();
}
//assert
Assert.IsTrue(mapper.GetData().Count == 3);
}
//in this test, there is no endDate field
public void TestLoadStreamWithEmptyEndDate()
{
//arrange
MusicContractDataMapper mapper = new MusicContractDataMapper();
//act
using (Stream stream = TestHelper.GenerateStreamFromString("Artist|Title|Usages|01 March 2017|"))
{
try
{
List <string> loadErrors = new List <string>();
mapper.LoadData(stream, false, out loadErrors);
stream.Close();
}
finally
{
stream.Close();
}
}
//assert
Assert.IsNull(mapper.GetData()[0].EndDate);
}
public GRMRepository(DistributionPartnerDataMapper distributionPartnerDataMapper, MusicContractDataMapper musicContractDataMapper)
{
_musicContracts = musicContractDataMapper.GetData() ?? null;
_distributionPartners = distributionPartnerDataMapper.GetData() ?? null;
}
static void Main(string[] args)
{
Console.WriteLine("GRM Developer Test." + Environment.NewLine + "Author: Shashank Kumar");
//load data files into data mappers
DistributionPartnerDataMapper distributionPartnerDataMapper = new DistributionPartnerDataMapper();
MusicContractDataMapper musicContractDataMapper = new MusicContractDataMapper();
List <string> streamErrors = new List <string>();
Console.WriteLine("Loading data... ");
try
{
//Load input data file into memory.
using (FileStream fs = File.OpenRead(musicContractDataFilePath))
{
//skip the headers in the first line
musicContractDataMapper.LoadData(fs, skipHeader, out streamErrors);
if (streamErrors.Any())
{
Console.WriteLine("Data problems reading file '{0}':", musicContractDataFilePath);
streamErrors.ForEach(Console.WriteLine);
}
}
streamErrors.Clear();
using (FileStream fs = File.OpenRead(distributionPartnerDataFilePath))
{
distributionPartnerDataMapper.LoadData(fs, skipHeader, out streamErrors);
if (streamErrors.Any())
{
Console.WriteLine("Data problems reading file '{0}':", distributionPartnerDataFilePath);
streamErrors.ForEach(Console.WriteLine);
}
}
Console.WriteLine("Done.");
var repo = new GRMRepository(distributionPartnerDataMapper, musicContractDataMapper);
//listen for query.
Console.WriteLine("Please enter your query, Enter Q to quit:");
var query = Console.ReadLine();
while (query != "Q")
{
//parse query, first space indicates separator
int pos = query.IndexOf(' ');
if (pos > 0)
{
string distributor = query.Substring(0, pos).Trim();
string dateStr = query.Substring(pos).Trim();
//Console.WriteLine("Query: Partner = {0}, Date = {1}", distributor, ParseDate(dateStr).ToString());
var results = repo.Query(distributor, ParseDate(dateStr));
results.ForEach(Console.WriteLine);
Console.WriteLine("Query completed. Enter another query, or type Q to exit.");
query = Console.ReadLine();
}
else
{
Console.WriteLine("Invalid Query. Please try again.");
query = Console.ReadLine();
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.ReadLine();
Environment.Exit(-1);
}
Environment.Exit(0);
}
