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test: Fix test failures & add Windows CI tests (#206)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| import unittest | ||
| from .utils import patch_files | ||
| import os | ||
| import codecs | ||
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| class TestFileSimulate(unittest.TestCase): | ||
| def test_basic(self): | ||
| @patch_files({ | ||
| "the.txt": "The", | ||
| "en/one.txt": "One", | ||
| "en/two.txt": "Two" | ||
| }) | ||
| def patch_me(a, b): | ||
| self.assertEqual(a, 10) | ||
| self.assertEqual(b, "b") | ||
| self.assertFileIs(os.path.basename(__file__), None) | ||
| self.assertFileIs("the.txt", "The") | ||
| self.assertFileIs("en/one.txt", "One") | ||
| self.assertFileIs("en\\one.txt", "One") | ||
| self.assertFileIs("en/two.txt", "Two") | ||
| self.assertFileIs("en\\two.txt", "Two") | ||
| self.assertFileIs("en/three.txt", None) | ||
| self.assertFileIs("en\\three.txt", None) | ||
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| with self.assertRaises(ValueError): | ||
| os.path.isfile("en/") | ||
| patch_me(10, "b") | ||
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| def assertFileIs(self, filename, expect_contents): | ||
| """ | ||
| expect_contents is None: Expect file does not exist | ||
| expect_contents is a str: Expect file to exist and contents to match | ||
| """ | ||
| if expect_contents is None: | ||
| self.assertFalse(os.path.isfile(filename), | ||
| f"Expected {filename} to not exist.") | ||
| else: | ||
| self.assertTrue(os.path.isfile(filename), | ||
| f"Expected {filename} to exist.") | ||
| with codecs.open(filename, "r", "utf-8") as f: | ||
| self.assertEqual(f.read(), expect_contents) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,5 +1,50 @@ | ||
| """Utilities for testing.""" | ||
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| import textwrap | ||
| from pathlib import PureWindowsPath, PurePosixPath | ||
| from unittest import mock | ||
| from io import StringIO | ||
| import functools | ||
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| def dedent_ftl(text): | ||
| return textwrap.dedent(f"{text.rstrip()}\n") | ||
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| # Needed in test_falllback.py because it uses dict + string compare to make a virtual file structure | ||
| def _normalize_file_path(path): | ||
| """Note: Does not support absolute paths or paths that | ||
| contain '.' or '..' parts.""" | ||
| # Cannot use os.path or PurePath, because they only recognize | ||
| # one kind of path separator | ||
| if PureWindowsPath(path).is_absolute() or PurePosixPath(path).is_absolute(): | ||
| raise ValueError(f"Unsupported path: {path}") | ||
| parts = path.replace("\\", "/").split("/") | ||
| if "." in parts or ".." in parts: | ||
| raise ValueError(f"Unsupported path: {path}") | ||
| if parts and parts[-1] == "": | ||
| # path ends with a trailing pathsep | ||
| raise ValueError(f"Path appears to be a directory, not a file: {path}") | ||
| return "/".join(parts) | ||
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| def patch_files(files: dict): | ||
| """Decorate a function to simulate files ``files`` during the function. | ||
| The keys of ``files`` are file names and must use '/' for path separator. | ||
| The values are file contents. Directories or relative paths are not supported. | ||
| Example: ``{"en/one.txt": "One", "en/two.txt": "Two"}`` | ||
| The implementation may be changed to match the mechanism used. | ||
| """ | ||
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| # Here it is possible to validate file names, but skipped | ||
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| def then(func): | ||
| @mock.patch("os.path.isfile", side_effect=lambda p: _normalize_file_path(p) in files) | ||
| @mock.patch("codecs.open", side_effect=lambda p, _, __: StringIO(files[_normalize_file_path(p)])) | ||
| @functools.wraps(func) # Make ret look like func to later decorators | ||
| def ret(*args, **kwargs): | ||
| func(*args[:-2], **kwargs) | ||
| return ret | ||
| return then |