def save_letters_helper(folder):
donor_and_last_donation = {
'Red Herring': 15000,
'Papa Smurf': 1000,
'Pat Panda': 55324.4,
'Karl-Heinz Berthold': 10579.31,
'Mama Murphy': 12054.33,
'Daphne Dastardly': 82
}
dir_name = m.save_letters(folder)
assert os.path.isdir(dir_name) # Make sure folder exists now
for donor, gift in donor_and_last_donation.items():
full_name = os.path.join(dir_name, f'_{donor}.txt')
# Make sure each letter file is saved
assert os.path.isfile(full_name) == True
with open(full_name, 'r') as f:
file_content = f.read()
form_letter = m.create_form_letter(donor, gift)
# Make sure the letter content is as expected
assert file_content.splitlines() == form_letter.splitlines()
assert len(form_letter) > 500
os.remove(full_name)
def test_create_form_letter_6():
result = m.create_form_letter('Papa Smurf', 1000)
assert isinstance(result, str) == True and len(result) > 500
def test_create_form_letter_5():
# Check that form letter is not produced if the specified donor
# amount is in the donor history dict but not for this donor
assert m.create_form_letter('Papa Smurf', 10579.31) == None
def test_create_form_letter_4():
# Form letter should not be produced if the specified donor amount
# is not in the donor name's history
assert m.create_form_letter('Papa Smurf', 75.86) == None
def test_create_form_letter_3():
assert m.create_form_letter('Papa Smurf', 0) == None
def test_create_form_letter_1():
assert m.create_form_letter('Daffy Doo', 1000) == None