def test_file_reader(self) -> None:
""" Test the file reader"""
expected = [('123', 'Jin He', 'Computer Science'),
('234', 'Nanda Koka', 'Software Engineering'),
('345', 'Benji Cai', 'Software Engineering')]
self.assertEqual(list(file_reader('HW08_Test.txt', 3, '|', True)),
expected)
self.assertNotEqual(list(file_reader('HW08_Test.txt', 3, '|')),
expected)
with self.assertRaises(ValueError):
list(file_reader('HW08_Test.txt', 4, '|', True))
with self.assertRaises(FileNotFoundError):
list(file_reader('HW08_Test1.txt', 3, '|', True))
def _get_students(self, path: str) -> None:
""" Student detail are read using file reading gen and added to dictionary """
for cwid, name, major in file_reader(path, 3, sep=';', header=True):
if major not in self._majors:
print(f"Student {cwid} '{name}' has unknown major '{major}'")
else:
self._students[cwid] = Student(cwid, name, self._majors[major])
def _get_grades(self, path) -> None:
"""Grades are read using file reading gen and assigned to student and instructor """
for std_cwid, course, grade, instructor_cwid in file_reader(path, 4, sep='\t', header=False):
if std_cwid in self._students:
self._students[std_cwid].add_course(course, grade)
else:
print(f'Grades for student is {std_cwid}')
if instructor_cwid in self._instructors:
self._instructors[instructor_cwid].add_student(course)
else:
print(f'Grades for instructor is {instructor_cwid}')
def _get_instructors(self, path: str) -> None:
""" Instructor detail are read using file reading gen and added to dictionary """
for cwid, name, dept in file_reader(path, 3, sep='|', header=True):
self._instructors[cwid] = Instructor(cwid, name, dept)
def _get_majors(self, path: str):
"""Major details are read using file reading gen and added to dictionary"""
for major, flag, course in file_reader(path, 3, sep='\t', header=True):
if major not in self._majors:
self._majors[major] = Major(major)
self._majors[major].add_course(course, flag)
def _get_students(self, path) -> None:
""" Student detail are read using file reading gen and added to dictionary """
for cwid, name, major in file_reader(path, 3, sep='\t', header=False):
self._students[cwid] = Student(cwid, name, major)
