public void TestFromValidDegrees()
{
const int runs = 10;
for (int i = 0; i < runs; ++i)
{
var degreeLongitude = GenerateValidValue(GeographicalLocation.MAX_DEGREE_LONGITUDE);
var degreeLatitude = GenerateValidValue(GeographicalLocation.MAX_DEGREE_LATITUDE);
var radianLongitude = Calculator.DegreesToRadians(degreeLongitude);
var radianLatitude = Calculator.DegreesToRadians(degreeLatitude);
var location = GeographicalLocation.FromDegrees(degreeLongitude, degreeLatitude);
Assert.IsTrue(location.DegreeLongitude == degreeLongitude,
String.Format("Location degree longitude is not equal to the expected degree longitude! Expected: {0}, got: {1}.",
degreeLongitude, location.DegreeLongitude));
Assert.IsTrue(location.DegreeLatitude == degreeLatitude,
String.Format("Location degree latitude is not equal to the expected degree latitude! Expected: {0}, got: {1}.",
degreeLatitude, location.DegreeLatitude));
Assert.IsTrue(location.RadianLongitude == radianLongitude,
String.Format("Location radian longitude is not equal to the expected radian longitude! Expected: {0}, got: {1}.",
radianLongitude, location.RadianLongitude));
Assert.IsTrue(location.RadianLatitude == radianLatitude,
String.Format("Location radian latitude is not equal to the expected radian latitude! Expected: {0}, got: {1}.",
radianLatitude, location.RadianLatitude));
}
}
public void TestFromInvalidDegreeLatitude()
{
var degreeLongitude = GenerateValidValue(GeographicalLocation.MAX_DEGREE_LONGITUDE);
var degreeLatitude = GenerateInvalidValue(GeographicalLocation.MAX_DEGREE_LATITUDE);
var location = GeographicalLocation.FromDegrees(degreeLongitude, degreeLatitude);
}
/// <summary>
/// Method used to parse a single JSON object and return customer data.
/// </summary>
/// <param name="match">Regex match.</param>
/// <returns>Customer data.</returns>
/// <exception cref="IntercomTestException">Thrown if the JSON object is not properly formatted.</exception>
private Customer ParseJsonObject(Match match)
{
if (ReferenceEquals(match, null))
{
throw new IntercomTestException("JSON text is in invalid format!");
}
var degreeLongitude = ReadDegreeLongitude(match);
if (!GeographicalLocation.IsDegreeLongitudeValid(degreeLongitude))
{
throw new IntercomTestException(String.Format("Invalid geographical longitude read: {0}!", degreeLongitude));
}
var degreeLatitude = ReadDegreeLatitude(match);
if (!GeographicalLocation.IsDegreeLatitudeValid(degreeLatitude))
{
throw new IntercomTestException(String.Format("Invalid geographical latitude read: {0}!", degreeLatitude));
}
var userId = ReadUserId(match);
var customerName = ReadCustomerName(match);
var location = GeographicalLocation.FromDegrees(degreeLongitude, degreeLatitude);
return(new Customer(userId, customerName, location));
}
public void TestCustomerNameEmpty()
{
var userId = 0;
var location = GeographicalLocation.FromDegrees(0.0d, 0.0d);
string name = string.Empty;
var customer = new Customer(userId, name, location);
}
public void TestCustomerNameWhitespace()
{
const char whitespaceCharacter = ' ';
var userId = 0;
var location = GeographicalLocation.FromDegrees(0.0d, 0.0d);
var random = new Random(Environment.TickCount);
var numberOfWhitespaces = random.Next(1, 20);
var name = new string(whitespaceCharacter, numberOfWhitespaces);
var customer = new Customer(userId, name, location);
}
public void TestCustomerValidInstantiation()
{
var userId = 0;
var name = "John Doe";
var location = GeographicalLocation.FromDegrees(0.0d, 0.0d);
var customer = new Customer(userId, name, location);
Assert.AreNotEqual(customer, null, "IntercomTest.Customer class has not been instantiated, even though all parameters are valid!");
Assert.AreEqual(customer.UserId, userId,
string.Format("IntercomTest.Customer class instance contains invalid data! Expected user ID: {0}, got {1}", userId, customer.UserId));
Assert.AreEqual(customer.Name, name.Trim(),
string.Format("IntercomTest.Customer class instance contains invalid data! Expected name: {0}, got {1}", name, customer.Name));
Assert.AreEqual(customer.Location, location, "IntercomTest.Customer class instance contains invalid data. Location references do not match.");
}
public void TestStaticCalculateDistance()
{
var fromDegreeLongitude = -6.257664d;
var fromDegreeLatitude = 53.339428d;
double[] toDegreeLongitudes = { -6.043701d, -10.27699d, -10.4240951d };
double[] toDegreeLatitudes = { 52.986375d, 51.92893d, 51.8856167d };
double[] expectedDistances = { 41.77d, 313.24d, 324.36d };
var fromLocation = GeographicalLocation.FromDegrees(fromDegreeLongitude, fromDegreeLatitude);
for (int i = 0; i < toDegreeLongitudes.Length; ++i)
{
var toLocation = GeographicalLocation.FromDegrees(toDegreeLongitudes[i], toDegreeLatitudes[i]);
var distance = GeographicalLocation.CalculateDistance(fromLocation, toLocation);
Assert.IsTrue(distance - expectedDistances[i] < DISTANCE_EPSILON,
string.Format("Wrong distance calculated! Expected: {0}, got: {1}.", expectedDistances[i], distance));
}
}
static void Main(string[] args)
{
if (args.Length == 1)
{
if (string.IsNullOrWhiteSpace(args[0]))
{
PrintHelp();
}
Console.WriteLine();
Console.WriteLine("Closing the program. Press any key to continue...");
Console.ReadKey();
return;
}
if (args.Length > 1)
{
PrintHelp();
Console.WriteLine();
Console.WriteLine("Closing the program. Press any key to continue...");
Console.ReadKey();
return;
}
try
{
var dublinOfficeLocation = GeographicalLocation.FromDegrees(
ConfigurationReader.DublinOfficeDegreeLongitude, ConfigurationReader.DublinOfficeDegreeLatitude);
var reader = CreateReader();
var customers1 = reader.ReadCustomers();
var customers2 = customers1?.Where(customer => dublinOfficeLocation.DistanceFrom(customer.Location) < ConfigurationReader.InvitationDistanceKilometers);
var customers = customers2?.OrderBy(customer => customer.UserId);
if (ReferenceEquals(customers, null))
{
Console.WriteLine("An error has occurred! Customer info was note read.");
return;
}
Console.WriteLine("Customers to invite:");
foreach (var customer in customers)
{
Console.WriteLine("Name: {0}, user ID: {1}, distance: {2:0.00} km", customer.Name, customer.UserId,
customer.Location.DistanceFrom(dublinOfficeLocation));
}
}
catch (IntercomTestException ite)
{
Console.WriteLine(string.Format("An error has ocurred while trying to read user information! Detailed information: {0}",
ite.IntercomTestErrorMessage));
if (ite.HasInnerException)
{
Console.WriteLine("Inner exception: " + ite.InnerException.Message);
}
Console.WriteLine();
PrintHelp();
}
catch (ArgumentNullException ane)
{
Console.WriteLine("An internal erro has occurred!");
Console.WriteLine(ane.Message);
Console.WriteLine();
PrintHelp();
}
catch (ArgumentException ae)
{
Console.WriteLine("An internal erro has occurred!");
Console.WriteLine(ae.Message);
Console.WriteLine();
PrintHelp();
}
catch (DirectoryNotFoundException dnfe)
{
Console.WriteLine("Customer file directory not found!");
Console.WriteLine(dnfe.Message);
Console.WriteLine();
PrintHelp();
}
catch (FileNotFoundException fnfe)
{
Console.WriteLine("Customer file not found!");
Console.WriteLine(fnfe.Message);
Console.WriteLine();
PrintHelp();
}
catch (PathTooLongException ptle)
{
Console.WriteLine("Customer file path is too long!");
Console.WriteLine(ptle.Message);
Console.WriteLine();
PrintHelp();
}
catch (UnauthorizedAccessException uae)
{
Console.WriteLine("The current user does not have the perrmission to access the customer file" +
"or the operation is not supported beacuse the file is read-only!");
Console.WriteLine(uae.Message);
Console.WriteLine();
PrintHelp();
}
catch (NotSupportedException nse)
{
Console.WriteLine("Reading the customer file is not supported!. This may happen path is in invalid format.");
Console.WriteLine(nse.Message);
Console.WriteLine();
PrintHelp();
}
catch (SecurityException se)
{
Console.WriteLine("The current user does not have the perrmission to access the customer file!");
Console.WriteLine(se.Message);
Console.WriteLine();
PrintHelp();
}
finally
{
Console.WriteLine();
Console.WriteLine("Closing the program. Press any key to continue...");
Console.ReadKey();
}
}
