curriculum/challenges/english/blocks/workshop-salary-tracker/68ca758f8160b11757f877ae.md
Finally, create a third if statement that raises a ValueError with the message Cannot change to lower level. when the base salary of the new level is less than the base salary of the current level.
You should have a third if statement inside your level setter.
({ test: () => assert(runPython(`_Node(_code).find_class("Employee").find_functions("level")[1].find_ifs()[2]`)) })
When new_level is lower than self.level, you should raise a ValueError with the message Cannot change to lower level.
({ test: () => runPython(`
emp = Employee('Frank', 'junior')
try:
emp.level = "trainee"
except ValueError as e:
assert str(e) == "Cannot change to lower level."
else:
assert False, "Expected to raise ValueError with invalid new_level"
`) })
You should not raise any exception when new_level is higher than self.level.
({ test: () => runPython(`
emp = Employee('Frank', 'junior')
try:
emp.level = "senior"
except Exception:
assert False, "Expected not to raise exception with valid new_level"
`) })
class Employee:
_base_salaries = {
'trainee': 1000,
'junior': 2000,
'mid-level': 3000,
'senior': 4000,
}
def __init__(self, name, level):
if not (isinstance(name, str) and isinstance(level, str)):
raise TypeError("'name' and 'level' attribute must be of type 'str'.")
if level not in Employee._base_salaries:
raise ValueError(f"Invalid value '{level}' for 'level' attribute.")
self._name = name
self._level = level
self._salary = Employee._base_salaries[level]
def __str__(self):
return f'{self.name}: {self.level}'
def __repr__(self):
return f"Employee('{self.name}', '{self.level}')"
@property
def name(self):
return self._name
@name.setter
def name(self, new_name):
if not isinstance(new_name, str):
raise TypeError("'name' must be a string.")
self._name = new_name
print(f"'name' updated to '{self.name}'.")
@property
def level(self):
return self._level
--fcc-editable-region--
@level.setter
def level(self, new_level):
if new_level not in Employee._base_salaries:
raise ValueError(f"Invalid value '{new_level}' for 'level' attribute.")
if new_level == self.level:
raise ValueError(f"'{self.level}' is already the selected level.")
self._level = new_level
--fcc-editable-region--
@property
def salary(self):
return self._salary
charlie_brown = Employee('Charlie Brown', 'trainee')
print(charlie_brown)
print(f'Base salary: ${charlie_brown.salary}')