public void CheckCorrectFiles_BothFilesAreNotExist_ShouldShowErrorMessage()
{
using (var writer = new StringWriter())
{
Console.SetOut(writer);
string[] args = { };
RemoveExtraBlanks.CheckCorrectFiles(args);
Assert.Equal(RemoveExtraBlanks.USAGE_METHOD + "\r\n", writer.ToString());
}
}
public void CheckCorrectFiles_InputAndOutputAreExist_ShouldReturn1()
{
using (var writer = new StringWriter())
{
Console.SetOut(writer);
string[] args = { "input.txt", "output.txt" };
int expected = 1;
int result = RemoveExtraBlanks.CheckCorrectFiles(args);
Assert.Equal(expected, result);
}
}
public void CheckCorrectFiles_OutputIsNotExist_ShouldShowErrorMessage()
{
using (var writer = new StringWriter())
{
Console.SetOut(writer);
string[] args = { "input.txt", "" };
int expected = 0;
int result = RemoveExtraBlanks.CheckCorrectFiles(args);
Assert.Equal(expected, result);
Assert.Equal(RemoveExtraBlanks.OUTPUT_FILE_IS_NOT_EXIST + "\r\n" + RemoveExtraBlanks.USAGE_METHOD + "\r\n", writer.ToString());
}
}
