# Copyright 2013 The Servo Project Developers. See the COPYRIGHT # file at the top-level directory of this distribution. # # Licensed under the Apache License, Version 2.0 or the MIT license # , at your # option. This file may not be copied, modified, or distributed # except according to those terms. import logging import os from typing import Iterable, Tuple import unittest from . import tidy BASE_PATH = "python/tidy/tests/" def test_file_path(name): return os.path.join(BASE_PATH, name) def iterFile(name): return iter([test_file_path(name)]) class CheckTidiness(unittest.TestCase): def assertNoMoreErrors(self, errors): with self.assertRaises(StopIteration): next(errors) def test_tidy_config(self): errors = tidy.check_config_file(os.path.join(BASE_PATH, "servo-tidy.toml"), print_text=False) self.assertEqual("invalid config key 'key-outside'", next(errors)[2]) self.assertEqual("invalid config key 'wrong-key'", next(errors)[2]) self.assertEqual("invalid config table [wrong]", next(errors)[2]) self.assertEqual("ignored file './fake/file.html' doesn't exist", next(errors)[2]) self.assertEqual("ignored directory './fake/dir' doesn't exist", next(errors)[2]) self.assertNoMoreErrors(errors) def test_directory_checks(self): dirs = { os.path.join(BASE_PATH, "dir_check/webidl_plus"): ["webidl", "test"], os.path.join(BASE_PATH, "dir_check/only_webidl"): ["webidl"], } errors = tidy.check_directory_files(dirs, print_text=False) error_dir = os.path.join(BASE_PATH, "dir_check/webidl_plus") self.assertEqual( "Unexpected extension found for test.rs. We only expect files with webidl, " + f"test extensions in {error_dir}", next(errors)[2], ) self.assertEqual( "Unexpected extension found for test2.rs. We only expect files with webidl, " + f"test extensions in {error_dir}", next(errors)[2], ) self.assertNoMoreErrors(errors) def test_spaces_correctnes(self): errors = tidy.collect_errors_for_files(iterFile("wrong_space.rs"), [], [tidy.check_by_line], print_text=False) self.assertEqual("trailing whitespace", next(errors)[2]) self.assertEqual("no newline at EOF", next(errors)[2]) self.assertEqual("tab on line", next(errors)[2]) self.assertEqual("CR on line", next(errors)[2]) self.assertEqual("no newline at EOF", next(errors)[2]) self.assertNoMoreErrors(errors) def test_empty_file(self): errors = tidy.collect_errors_for_files(iterFile("empty_file.rs"), [], [tidy.check_by_line], print_text=False) self.assertEqual("file is empty", next(errors)[2]) self.assertNoMoreErrors(errors) def test_long_line(self): errors = tidy.collect_errors_for_files(iterFile("long_line.rs"), [], [tidy.check_by_line], print_text=False) self.assertEqual("Line is longer than 120 characters", next(errors)[2]) self.assertNoMoreErrors(errors) def test_whatwg_link(self): errors = tidy.collect_errors_for_files(iterFile("whatwg_link.rs"), [], [tidy.check_by_line], print_text=False) self.assertEqual( "link to WHATWG may break in the future, use this format instead: https://html.spec.whatwg.org/multipage/#dom-context-2d-putimagedata", next(errors)[2], ) self.assertEqual( "links to WHATWG single-page url, change to multi page: https://html.spec.whatwg.org/multipage/#typographic-conventions", next(errors)[2], ) self.assertNoMoreErrors(errors) def test_license(self): errors = tidy.collect_errors_for_files( iterFile("incorrect_license.rs"), [], [tidy.check_license], print_text=False ) self.assertEqual("incorrect license", next(errors)[2]) self.assertNoMoreErrors(errors) def test_shebang_license(self): errors = tidy.collect_errors_for_files( iterFile("shebang_license.py"), [], [tidy.check_license], print_text=False ) self.assertEqual("missing blank line after shebang", next(errors)[2]) self.assertNoMoreErrors(errors) def test_shell(self): errors = tidy.collect_errors_for_files(iterFile("shell_tidy.sh"), [], [tidy.check_shell], print_text=False) self.assertEqual('script does not have shebang "#!/usr/bin/env bash"', next(errors)[2]) self.assertEqual('script is missing options "set -o errexit", "set -o pipefail"', next(errors)[2]) self.assertEqual("script should not use backticks for command substitution", next(errors)[2]) self.assertEqual('variable substitutions should use the full "${VAR}" form', next(errors)[2]) self.assertEqual("script should use `[[` instead of `[` for conditional testing", next(errors)[2]) self.assertEqual("script should use `[[` instead of `[` for conditional testing", next(errors)[2]) self.assertNoMoreErrors(errors) def test_apache2_incomplete(self): errors = tidy.collect_errors_for_files( iterFile("apache2_license.rs"), [], [tidy.check_license], print_text=False ) self.assertEqual("incorrect license", next(errors)[2]) def test_rust(self): errors = tidy.collect_errors_for_files(iterFile("rust_tidy.rs"), [], [tidy.check_rust], print_text=False) self.assertTrue("mod declaration is not in alphabetical order" in next(errors)[2]) self.assertEqual("mod declaration spans multiple lines", next(errors)[2]) self.assertTrue("derivable traits list is not in alphabetical order" in next(errors)[2]) self.assertEqual("found an empty line following a {", next(errors)[2]) self.assertEqual("use &[T] instead of &Vec", next(errors)[2]) self.assertEqual("use &str instead of &String", next(errors)[2]) self.assertEqual("use &T instead of &Root", next(errors)[2]) self.assertEqual("use &T instead of &DomRoot", next(errors)[2]) self.assertEqual("encountered function signature with -> ()", next(errors)[2]) self.assertEqual("operators should go at the end of the first line", next(errors)[2]) self.assertEqual("unwrap() or panic!() found in code which should not panic.", next(errors)[2]) self.assertEqual("unwrap() or panic!() found in code which should not panic.", next(errors)[2]) self.assertNoMoreErrors(errors) feature_errors = tidy.collect_errors_for_files(iterFile("lib.rs"), [], [tidy.check_rust], print_text=False) self.assertTrue("feature attribute is not in alphabetical order" in next(feature_errors)[2]) self.assertTrue("feature attribute is not in alphabetical order" in next(feature_errors)[2]) self.assertTrue("feature attribute is not in alphabetical order" in next(feature_errors)[2]) self.assertTrue("feature attribute is not in alphabetical order" in next(feature_errors)[2]) self.assertNoMoreErrors(feature_errors) ban_errors = tidy.collect_errors_for_files(iterFile("ban.rs"), [], [tidy.check_rust], print_text=False) self.assertEqual("Banned type Cell detected. Use MutDom instead", next(ban_errors)[2]) self.assertNoMoreErrors(ban_errors) ban_errors = tidy.collect_errors_for_files( iterFile("ban-domrefcell.rs"), [], [tidy.check_rust], print_text=False ) self.assertEqual("Banned type DomRefCell> detected. Use MutDom instead", next(ban_errors)[2]) self.assertNoMoreErrors(ban_errors) def test_spec_link(self): tidy.SPEC_BASE_PATH = BASE_PATH errors = tidy.collect_errors_for_files(iterFile("speclink.rs"), [], [tidy.check_spec], print_text=False) self.assertEqual("method declared in webidl is missing a comment with a specification link", next(errors)[2]) self.assertEqual("method declared in webidl is missing a comment with a specification link", next(errors)[2]) self.assertNoMoreErrors(errors) def test_webidl(self): errors = tidy.collect_errors_for_files(iterFile("spec.webidl"), [tidy.check_webidl_spec], [], print_text=False) self.assertEqual("No specification link found.", next(errors)[2]) self.assertNoMoreErrors(errors) def test_toml(self): errors = tidy.collect_errors_for_files(iterFile("Cargo.toml"), [], [tidy.check_toml], print_text=False) self.assertEqual("found asterisk instead of minimum version number", next(errors)[2]) self.assertEqual(".toml file should contain a valid license.", next(errors)[2]) self.assertNoMoreErrors(errors) def test_modeline(self): errors = tidy.collect_errors_for_files(iterFile("modeline.txt"), [], [tidy.check_modeline], print_text=False) self.assertEqual("vi modeline present", next(errors)[2]) self.assertEqual("vi modeline present", next(errors)[2]) self.assertEqual("vi modeline present", next(errors)[2]) self.assertEqual("emacs file variables present", next(errors)[2]) self.assertEqual("emacs file variables present", next(errors)[2]) self.assertNoMoreErrors(errors) def test_file_list(self): file_path = os.path.join(BASE_PATH, "test_ignored") file_list = tidy.FileList(file_path, only_changed_files=False, exclude_dirs=[], progress=False) lst = list(file_list) self.assertEqual( [os.path.join(file_path, "whee", "test.rs"), os.path.join(file_path, "whee", "foo", "bar.rs")], lst ) file_list = tidy.FileList( file_path, only_changed_files=False, exclude_dirs=[os.path.join(file_path, "whee", "foo")], progress=False ) lst = list(file_list) self.assertEqual([os.path.join(file_path, "whee", "test.rs")], lst) def test_multiline_string(self): errors = tidy.collect_errors_for_files(iterFile("multiline_string.rs"), [], [tidy.check_rust], print_text=False) self.assertNoMoreErrors(errors) def test_raw_url_in_rustdoc(self): def assert_has_a_single_rustdoc_error(errors: Iterable[Tuple[int, str]]): self.assertEqual(tidy.ERROR_RAW_URL_IN_RUSTDOC, next(errors)[1]) self.assertNoMoreErrors(errors) errors = tidy.check_for_raw_urls_in_rustdoc("file.rs", 3, b"/// https://google.com") assert_has_a_single_rustdoc_error(errors) errors = tidy.check_for_raw_urls_in_rustdoc("file.rs", 3, b"//! (https://google.com)") assert_has_a_single_rustdoc_error(errors) errors = tidy.check_for_raw_urls_in_rustdoc("file.rs", 3, b"/// ") self.assertNoMoreErrors(errors) errors = tidy.check_for_raw_urls_in_rustdoc("file.rs", 3, b"/// [hi]: https://google.com") self.assertNoMoreErrors(errors) errors = tidy.check_for_raw_urls_in_rustdoc("file.rs", 3, b"/// [hi](https://google.com)") self.assertNoMoreErrors(errors) def run_tests(): verbosity = 1 if logging.getLogger().level >= logging.WARN else 2 suite = unittest.TestLoader().loadTestsFromTestCase(CheckTidiness) return unittest.TextTestRunner(verbosity=verbosity).run(suite).wasSuccessful()