public void AssignmentTest()
{
ICommand command = new ConcatenateCommand();
Assert.AreEqual("Concatenate", command.FullName);
Assert.AreEqual("cat", command.ShortName);
}
public void InvalidArgumentsTest()
{
ICommand command = new ConcatenateCommand();
var commandResult = command.Execute(null);
Assert.IsNotNull(commandResult);
Assert.IsTrue(commandResult.Count() == 1);
Assert.AreEqual("Invalid arguments", commandResult.First());
}
public void ExecuteTest()
{
ICommand command = new ConcatenateCommand();
var pathToTestDir = TestTools.FindPathToTestFiles();
Assert.IsTrue(pathToTestDir != "TestFile directory is missing");
// single argument test
var arguments = new List <string>()
{
Path.Combine(pathToTestDir, "FirstTestFile.txt")
};
var commandResult = command.Execute(arguments);
Assert.IsNotNull(commandResult);
Assert.AreEqual(commandResult.Count(), 1);
var linesFromCommand = commandResult.First().Split('\n');
var firstFileLines = File.ReadAllLines(arguments[0]);
Assert.AreEqual(linesFromCommand.Length, firstFileLines.Length);
for (int i = 0; i < firstFileLines.Length; i++)
{
Assert.AreEqual(firstFileLines[i], linesFromCommand[i]);
}
// multi argument test
arguments.Add(Path.Combine(pathToTestDir, "SecondTestFile.txt"));
commandResult = command.Execute(arguments);
Assert.IsNotNull(commandResult);
Assert.AreEqual(commandResult.Count(), 2);
linesFromCommand = commandResult.First().Split('\n');
Assert.AreEqual(linesFromCommand.Length, firstFileLines.Length);
for (int i = 0; i < firstFileLines.Length; i++)
{
Assert.AreEqual(firstFileLines[i], linesFromCommand[i]);
}
linesFromCommand = commandResult.Last().Split('\n');
var secondFileLines = File.ReadAllLines(arguments.Last());
Assert.AreEqual(linesFromCommand.Length, secondFileLines.Length);
for (int i = 0; i < secondFileLines.Length; i++)
{
Assert.AreEqual(secondFileLines[i], linesFromCommand[i]);
}
}
public void FileDoesNotExistTest()
{
ICommand command = new ConcatenateCommand();
var fileName = "TheInvalidFile.txt";
var commandResult = command.Execute(new List <string>()
{
fileName
});
Assert.IsNotNull(commandResult);
Assert.IsTrue(commandResult.Count() == 1);
Assert.AreEqual($"The file {fileName} does not exist", commandResult.First());
}