public void HierarchyPrinterCreationTest()
{
IDataPrinter hierarchyPrinter = new HierarchyPrinter();
Assert.NotNull(hierarchyPrinter);
Assert.IsType <HierarchyPrinter>(hierarchyPrinter);
}
public void HierarchyPrinterPrintStringNotEmptyTest()
{
IDataPrinter hierarchyPrinter = new HierarchyPrinter();
var result = hierarchyPrinter.PrintString(_rootManager);
Assert.NotEmpty(result);
}
public void HierarchyPrinterPrintStringTest()
{
IDataPrinter hierarchyPrinter = new HierarchyPrinter();
var result = hierarchyPrinter.PrintString(_rootManager);
// Expected Output:
//-----------------
// Jeff
// Employees of: Jeff
// Dave
// Employees of: Dave
// Andy
// Dan
// Jason
// Rick
// Suzanne
// Cory
var builder = new StringBuilder();
builder.Append("Jeff\n");
builder.Append("Employees of: Jeff\n");
builder.Append("\tDave\n");
builder.Append("\tEmployees of: Dave\n");
builder.Append("\t\tAndy\n");
builder.Append("\t\tDan\n");
builder.Append("\t\tJason\n");
builder.Append("\t\tRick\n");
builder.Append("\t\tSuzanne\n");
builder.Append("\tCory\n");
var expectedString = builder.ToString();
Assert.Equal(expectedString, result);
}
public void HierarchyPrinterPrintStringArgumentExceptionTest()
{
IDataPrinter hierarchyPrinter = new HierarchyPrinter();
Assert.Throws <ArgumentException>(() => hierarchyPrinter.PrintString(null));
}
// Main
static void Main(string[] args)
{
// Try to load AppSettings.json configuration file first
var builder = new ConfigurationBuilder()
.SetBasePath(Environment.CurrentDirectory)
.AddJsonFile(_AppSettingsFileName);
// Read the AppSettings file and create a ConfigurationRoot object
var configs = builder.Build();
// Get the Employee Hierarchy filename from the AppSettings file
var employeeHierarchyFileName = configs[_AppSetting_HierarchyFileName];
// Throw exception if there was a problem
if (String.IsNullOrEmpty(employeeHierarchyFileName))
{
throw new ApplicationException($"ERROR :: Problem reading App Setting '{_AppSetting_HierarchyFileName}'!");
}
// Create filepath to Employee Hierarchy json file
var employeeHierarchyFilePath = Path.Combine(Environment.CurrentDirectory, employeeHierarchyFileName);
// Convert AppSettings parameter 'SortHierarchyOutput' to Boolean
var castSortEmployeeHierarchySuccess = bool.TryParse(configs[_AppSetting_SortHierarchyOutput], out bool sortEmployeeHierarchy);
if (castSortEmployeeHierarchySuccess == false)
{
throw new ApplicationException($"ERROR :: Problem reading App Setting '{_AppSetting_SortHierarchyOutput}'!");
}
// Use the Composition Root & Dependency Injection patterns to compose the application's functionality
// IFormatReader formatReader = new MockFormatReader();
IFormatReader formatReader = new JsonFormatReader(employeeHierarchyFilePath);
IDataReader dataReader = new DataReader(formatReader);
IDataPrinter hierarchyPrinter = null;
// If AppSettings parameter 'SortHierarchyOutput' set to True: create 'SortedHierarchyPrinter'
// otherwise, create an unsorted 'HierarchyPrinter'
if (sortEmployeeHierarchy)
{
hierarchyPrinter = new SortedHierarchyPrinter();
}
else
{
hierarchyPrinter = new HierarchyPrinter();
}
// Create the Salaray Requirement Printer
IDataPrinter salaryRequirementPrinter = new SalaryRequirementPrinter();
// Read Employee data from the data source
var rootManager = dataReader.Read();
// Get String representations for the Employee Hierarchy & Salary Requirement
var hierarchyString = hierarchyPrinter.PrintString(rootManager);
var salaryRequirementString = salaryRequirementPrinter.PrintString(rootManager);
// Print the Employee Hierarchy & Salary Requirement
Console.WriteLine(hierarchyString);
Console.WriteLine(salaryRequirementString);
// Keep the console window open
Console.WriteLine("\n\nPress 'enter' to exit...");
Console.ReadLine();
}
