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import pytest
import parser
from pathlib import Path
# Happy path
def test_validFile(tmp_path):
file_contents = """
FRONT
Foo
Bar
BACK
Fizz
Buzz
FRONT
Another card
BACK
Another back
"""
expected = {
("Foo\n\nBar", "Fizz\n\nBuzz"),
("Another card", "Another back")
}
path = tmp_path / "valid_file.fcard"
with open(path, "w") as f:
f.write(file_contents)
cards = parser.parse(path)
assert expected == set(cards.values())
# Edge cases
def test_emptyFile(tmp_path):
path = tmp_path / "empty.fcard"
with open(path, "w") as f:
f.write("")
cards = parser.parse(path)
assert cards == {}
def test_missingFile(tmp_path):
cards = parser.parse(tmp_path / "missing_file.fcard")
assert cards == {}
def checkException(tmp_path, file_contents):
path = tmp_path / "invalid_file.fcard"
with open(path, "w") as f:
f.write(file_contents)
with pytest.raises(Exception):
cards = parser.parse(path)
def test_doesNotStartWithFront(tmp_path):
checkException(tmp_path, "BACK\noops")
def test_frontTwiceInARow(tmp_path):
checkException(tmp_path, "FRONT\noops\nFRONT\nbad")
def test_doesNotEndWithBack(tmp_path):
checkException(tmp_path, "FRONT\ntest\nBACK\ntest\nFRONT\noops")
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