public void Main_GiveIncorrectNumberOfArguments_ShouldShowMistakeText()
{
using (var writer = new StringWriter())
{
Console.SetOut(writer);
string[] args = { };
RemoveExtraBlanks.Main(args);
Assert.Equal(RemoveExtraBlanks.USAGE_METHOD + "\r\n", writer.ToString());
}
}
public void Main_GiveIncorrectArguments_ShouldShowMistakeText()
{
using (var writer = new StringWriter())
{
Console.SetOut(writer);
string[] args = { "input.txt", "2" };
RemoveExtraBlanks.Main(args);
Assert.Equal(RemoveExtraBlanks.OUTPUT_FILE_IS_NOT_EXIST + "\r\n" + RemoveExtraBlanks.USAGE_METHOD + "\r\n", writer.ToString());
}
}
public void Main_GiveInput_ShouldGiveCorrectOutput()
{
string[] args = { "hasLineInput.txt", "hasLineOutput.txt" };
RemoveExtraBlanks.Main(args);
string expected = "asfsda dsf sdf fds ds d ds";
using (StreamReader reader = new StreamReader(args[1]))
{
Assert.Equal(expected, reader.ReadLine());
}
}
public void Main_GiveVoidInput_ShouldGiveVoidOutput()
{
string[] args = { "emptyInput.txt", "emptyOutput.txt" };
RemoveExtraBlanks.Main(args);
string expected = null;
using (StreamReader reader = new StreamReader(args[1]))
{
Assert.Equal(expected, reader.ReadLine());
}
}
