def test_invalidfilepath():
"""Test Case for invalid file path"""
actual_result = reading_from_file.file_test("C:/", "r")
expected_result = "invalid file path"
assert expected_result in actual_result
def test_happypath():
"""Test Case for happy path: valid file name with data in it"""
actual_result = reading_from_file.file_test("testfile.txt", "r")
expected_result = ['edcba']
assert actual_result[1] == expected_result
def test_invalidfilename():
"""Test Case for invalid file name"""
actual_result = reading_from_file.file_test("invalidfilename.txt", "r")
expected_result = "invalid file name"
assert expected_result in actual_result
def test_nosuchfile_exists():
"""Test Case for non-existant file name"""
actual_result = reading_from_file.file_test("", "r")
expected_result = "File doesnot exist"
assert expected_result in actual_result
def test_invalidfilemode():
"""Test Case for invalid file mode i.e 'write' mode here"""
actual_result = reading_from_file.file_test("testfile.txt", "w")
expected_result = "Check file options"
assert actual_result == expected_result