[trivial] Simplify `mode` and `write_back` calculation in main()

[etc/vim.git] / tests / test_black.py

diff --git a/tests/test_black.py b/tests/test_black.py
index a7d04cc548f310583793b5656913dd71604ac332..7389da9417fbfb8a03df7d1dbf49c59a8678616c 100644 (file)
--- a/tests/test_black.py
+++ b/tests/test_black.py
@@ -11,6 +11,7 @@ from tempfile import TemporaryDirectory
 from typing import Any, List, Tuple, Iterator
 import unittest
 from unittest.mock import patch
+import re
 
 from click import unstyle
 from click.testing import CliRunner
@@ -236,6 +237,11 @@ class BlackTestCase(unittest.TestCase):
         self.assertFormatEqual(expected, actual)
         black.assert_equivalent(source, actual)
         black.assert_stable(source, actual, line_length=ll)
+        mode = black.FileMode.NO_STRING_NORMALIZATION
+        not_normalized = fs(source, mode=mode)
+        self.assertFormatEqual(source, not_normalized)
+        black.assert_equivalent(source, not_normalized)
+        black.assert_stable(source, not_normalized, line_length=ll, mode=mode)
 
     @patch("black.dump_to_file", dump_to_stderr)
     def test_slices(self) -> None:
@@ -342,10 +348,11 @@ class BlackTestCase(unittest.TestCase):
 
     @patch("black.dump_to_file", dump_to_stderr)
     def test_stub(self) -> None:
+        mode = black.FileMode.PYI
         source, expected = read_data("stub.pyi")
-        actual = fs(source, is_pyi=True)
+        actual = fs(source, mode=mode)
         self.assertFormatEqual(expected, actual)
-        black.assert_stable(source, actual, line_length=ll, is_pyi=True)
+        black.assert_stable(source, actual, line_length=ll, mode=mode)
 
     @patch("black.dump_to_file", dump_to_stderr)
     def test_fmtonoff(self) -> None:
@@ -363,6 +370,14 @@ class BlackTestCase(unittest.TestCase):
         black.assert_equivalent(source, actual)
         black.assert_stable(source, actual, line_length=ll)
 
+    @patch("black.dump_to_file", dump_to_stderr)
+    def test_new_line_between_class_and_code(self) -> None:
+        source, expected = read_data("class_methods_new_line")
+        actual = fs(source)
+        self.assertFormatEqual(expected, actual)
+        black.assert_equivalent(source, actual)
+        black.assert_stable(source, actual, line_length=ll)
+
     def test_report(self) -> None:
         report = black.Report()
         out_lines = []
@@ -558,25 +573,27 @@ class BlackTestCase(unittest.TestCase):
         self.assertEqual("".join(err_lines), "")
 
     def test_cache_broken_file(self) -> None:
+        mode = black.FileMode.AUTO_DETECT
         with cache_dir() as workspace:
-            cache_file = black.get_cache_file(black.DEFAULT_LINE_LENGTH)
+            cache_file = black.get_cache_file(black.DEFAULT_LINE_LENGTH, mode)
             with cache_file.open("w") as fobj:
                 fobj.write("this is not a pickle")
-            self.assertEqual(black.read_cache(black.DEFAULT_LINE_LENGTH), {})
+            self.assertEqual(black.read_cache(black.DEFAULT_LINE_LENGTH, mode), {})
             src = (workspace / "test.py").resolve()
             with src.open("w") as fobj:
                 fobj.write("print('hello')")
             result = CliRunner().invoke(black.main, [str(src)])
             self.assertEqual(result.exit_code, 0)
-            cache = black.read_cache(black.DEFAULT_LINE_LENGTH)
+            cache = black.read_cache(black.DEFAULT_LINE_LENGTH, mode)
             self.assertIn(src, cache)
 
     def test_cache_single_file_already_cached(self) -> None:
+        mode = black.FileMode.AUTO_DETECT
         with cache_dir() as workspace:
             src = (workspace / "test.py").resolve()
             with src.open("w") as fobj:
                 fobj.write("print('hello')")
-            black.write_cache({}, [src], black.DEFAULT_LINE_LENGTH)
+            black.write_cache({}, [src], black.DEFAULT_LINE_LENGTH, mode)
             result = CliRunner().invoke(black.main, [str(src)])
             self.assertEqual(result.exit_code, 0)
             with src.open("r") as fobj:
@@ -584,6 +601,7 @@ class BlackTestCase(unittest.TestCase):
 
     @event_loop(close=False)
     def test_cache_multiple_files(self) -> None:
+        mode = black.FileMode.AUTO_DETECT
         with cache_dir() as workspace, patch(
             "black.ProcessPoolExecutor", new=ThreadPoolExecutor
         ):
@@ -593,44 +611,48 @@ class BlackTestCase(unittest.TestCase):
             two = (workspace / "two.py").resolve()
             with two.open("w") as fobj:
                 fobj.write("print('hello')")
-            black.write_cache({}, [one], black.DEFAULT_LINE_LENGTH)
+            black.write_cache({}, [one], black.DEFAULT_LINE_LENGTH, mode)
             result = CliRunner().invoke(black.main, [str(workspace)])
             self.assertEqual(result.exit_code, 0)
             with one.open("r") as fobj:
                 self.assertEqual(fobj.read(), "print('hello')")
             with two.open("r") as fobj:
                 self.assertEqual(fobj.read(), 'print("hello")\n')
-            cache = black.read_cache(black.DEFAULT_LINE_LENGTH)
+            cache = black.read_cache(black.DEFAULT_LINE_LENGTH, mode)
             self.assertIn(one, cache)
             self.assertIn(two, cache)
 
     def test_no_cache_when_writeback_diff(self) -> None:
+        mode = black.FileMode.AUTO_DETECT
         with cache_dir() as workspace:
             src = (workspace / "test.py").resolve()
             with src.open("w") as fobj:
                 fobj.write("print('hello')")
             result = CliRunner().invoke(black.main, [str(src), "--diff"])
             self.assertEqual(result.exit_code, 0)
-            cache_file = black.get_cache_file(black.DEFAULT_LINE_LENGTH)
+            cache_file = black.get_cache_file(black.DEFAULT_LINE_LENGTH, mode)
             self.assertFalse(cache_file.exists())
 
     def test_no_cache_when_stdin(self) -> None:
+        mode = black.FileMode.AUTO_DETECT
         with cache_dir():
             result = CliRunner().invoke(black.main, ["-"], input="print('hello')")
             self.assertEqual(result.exit_code, 0)
-            cache_file = black.get_cache_file(black.DEFAULT_LINE_LENGTH)
+            cache_file = black.get_cache_file(black.DEFAULT_LINE_LENGTH, mode)
             self.assertFalse(cache_file.exists())
 
     def test_read_cache_no_cachefile(self) -> None:
+        mode = black.FileMode.AUTO_DETECT
         with cache_dir():
-            self.assertEqual(black.read_cache(black.DEFAULT_LINE_LENGTH), {})
+            self.assertEqual(black.read_cache(black.DEFAULT_LINE_LENGTH, mode), {})
 
     def test_write_cache_read_cache(self) -> None:
+        mode = black.FileMode.AUTO_DETECT
         with cache_dir() as workspace:
             src = (workspace / "test.py").resolve()
             src.touch()
-            black.write_cache({}, [src], black.DEFAULT_LINE_LENGTH)
-            cache = black.read_cache(black.DEFAULT_LINE_LENGTH)
+            black.write_cache({}, [src], black.DEFAULT_LINE_LENGTH, mode)
+            cache = black.read_cache(black.DEFAULT_LINE_LENGTH, mode)
             self.assertIn(src, cache)
             self.assertEqual(cache[src], black.get_cache_info(src))
 
@@ -651,13 +673,15 @@ class BlackTestCase(unittest.TestCase):
             self.assertEqual(done, [cached])
 
     def test_write_cache_creates_directory_if_needed(self) -> None:
+        mode = black.FileMode.AUTO_DETECT
         with cache_dir(exists=False) as workspace:
             self.assertFalse(workspace.exists())
-            black.write_cache({}, [], black.DEFAULT_LINE_LENGTH)
+            black.write_cache({}, [], black.DEFAULT_LINE_LENGTH, mode)
             self.assertTrue(workspace.exists())
 
     @event_loop(close=False)
     def test_failed_formatting_does_not_get_cached(self) -> None:
+        mode = black.FileMode.AUTO_DETECT
         with cache_dir() as workspace, patch(
             "black.ProcessPoolExecutor", new=ThreadPoolExecutor
         ):
@@ -669,14 +693,15 @@ class BlackTestCase(unittest.TestCase):
                 fobj.write('print("hello")\n')
             result = CliRunner().invoke(black.main, [str(workspace)])
             self.assertEqual(result.exit_code, 123)
-            cache = black.read_cache(black.DEFAULT_LINE_LENGTH)
+            cache = black.read_cache(black.DEFAULT_LINE_LENGTH, mode)
             self.assertNotIn(failing, cache)
             self.assertIn(clean, cache)
 
     def test_write_cache_write_fail(self) -> None:
+        mode = black.FileMode.AUTO_DETECT
         with cache_dir(), patch.object(Path, "open") as mock:
             mock.side_effect = OSError
-            black.write_cache({}, [], black.DEFAULT_LINE_LENGTH)
+            black.write_cache({}, [], black.DEFAULT_LINE_LENGTH, mode)
 
     @event_loop(close=False)
     def test_check_diff_use_together(self) -> None:
@@ -706,21 +731,27 @@ class BlackTestCase(unittest.TestCase):
     def test_broken_symlink(self) -> None:
         with cache_dir() as workspace:
             symlink = workspace / "broken_link.py"
-            symlink.symlink_to("nonexistent.py")
+            try:
+                symlink.symlink_to("nonexistent.py")
+            except OSError as e:
+                self.skipTest(f"Can't create symlinks: {e}")
             result = CliRunner().invoke(black.main, [str(workspace.resolve())])
             self.assertEqual(result.exit_code, 0)
 
     def test_read_cache_line_lengths(self) -> None:
+        mode = black.FileMode.AUTO_DETECT
         with cache_dir() as workspace:
             path = (workspace / "file.py").resolve()
             path.touch()
-            black.write_cache({}, [path], 1)
-            one = black.read_cache(1)
+            black.write_cache({}, [path], 1, mode)
+            one = black.read_cache(1, mode)
             self.assertIn(path, one)
-            two = black.read_cache(2)
+            two = black.read_cache(2, mode)
             self.assertNotIn(path, two)
 
     def test_single_file_force_pyi(self) -> None:
+        reg_mode = black.FileMode.AUTO_DETECT
+        pyi_mode = black.FileMode.PYI
         contents, expected = read_data("force_pyi")
         with cache_dir() as workspace:
             path = (workspace / "file.py").resolve()
@@ -731,14 +762,16 @@ class BlackTestCase(unittest.TestCase):
             with open(path, "r") as fh:
                 actual = fh.read()
             # verify cache with --pyi is separate
-            pyi_cache = black.read_cache(black.DEFAULT_LINE_LENGTH, pyi=True)
+            pyi_cache = black.read_cache(black.DEFAULT_LINE_LENGTH, pyi_mode)
             self.assertIn(path, pyi_cache)
-            normal_cache = black.read_cache(black.DEFAULT_LINE_LENGTH)
+            normal_cache = black.read_cache(black.DEFAULT_LINE_LENGTH, reg_mode)
             self.assertNotIn(path, normal_cache)
         self.assertEqual(actual, expected)
 
     @event_loop(close=False)
     def test_multi_file_force_pyi(self) -> None:
+        reg_mode = black.FileMode.AUTO_DETECT
+        pyi_mode = black.FileMode.PYI
         contents, expected = read_data("force_pyi")
         with cache_dir() as workspace:
             paths = [
@@ -755,8 +788,8 @@ class BlackTestCase(unittest.TestCase):
                     actual = fh.read()
                 self.assertEqual(actual, expected)
             # verify cache with --pyi is separate
-            pyi_cache = black.read_cache(black.DEFAULT_LINE_LENGTH, pyi=True)
-            normal_cache = black.read_cache(black.DEFAULT_LINE_LENGTH)
+            pyi_cache = black.read_cache(black.DEFAULT_LINE_LENGTH, pyi_mode)
+            normal_cache = black.read_cache(black.DEFAULT_LINE_LENGTH, reg_mode)
             for path in paths:
                 self.assertIn(path, pyi_cache)
                 self.assertNotIn(path, normal_cache)
@@ -769,6 +802,8 @@ class BlackTestCase(unittest.TestCase):
         self.assertFormatEqual(actual, expected)
 
     def test_single_file_force_py36(self) -> None:
+        reg_mode = black.FileMode.AUTO_DETECT
+        py36_mode = black.FileMode.PYTHON36
         source, expected = read_data("force_py36")
         with cache_dir() as workspace:
             path = (workspace / "file.py").resolve()
@@ -779,14 +814,16 @@ class BlackTestCase(unittest.TestCase):
             with open(path, "r") as fh:
                 actual = fh.read()
             # verify cache with --py36 is separate
-            py36_cache = black.read_cache(black.DEFAULT_LINE_LENGTH, py36=True)
+            py36_cache = black.read_cache(black.DEFAULT_LINE_LENGTH, py36_mode)
             self.assertIn(path, py36_cache)
-            normal_cache = black.read_cache(black.DEFAULT_LINE_LENGTH)
+            normal_cache = black.read_cache(black.DEFAULT_LINE_LENGTH, reg_mode)
             self.assertNotIn(path, normal_cache)
         self.assertEqual(actual, expected)
 
     @event_loop(close=False)
     def test_multi_file_force_py36(self) -> None:
+        reg_mode = black.FileMode.AUTO_DETECT
+        py36_mode = black.FileMode.PYTHON36
         source, expected = read_data("force_py36")
         with cache_dir() as workspace:
             paths = [
@@ -805,8 +842,8 @@ class BlackTestCase(unittest.TestCase):
                     actual = fh.read()
                 self.assertEqual(actual, expected)
             # verify cache with --py36 is separate
-            pyi_cache = black.read_cache(black.DEFAULT_LINE_LENGTH, py36=True)
-            normal_cache = black.read_cache(black.DEFAULT_LINE_LENGTH)
+            pyi_cache = black.read_cache(black.DEFAULT_LINE_LENGTH, py36_mode)
+            normal_cache = black.read_cache(black.DEFAULT_LINE_LENGTH, reg_mode)
             for path in paths:
                 self.assertIn(path, pyi_cache)
                 self.assertNotIn(path, normal_cache)
@@ -818,6 +855,67 @@ class BlackTestCase(unittest.TestCase):
         actual = result.output
         self.assertFormatEqual(actual, expected)
 
+    def test_include_exclude(self) -> None:
+        path = THIS_DIR / "include_exclude_tests"
+        include = re.compile(r"\.pyi?$")
+        exclude = re.compile(r"/exclude/|/\.definitely_exclude/")
+        sources: List[Path] = []
+        expected = [
+            Path(THIS_DIR / "include_exclude_tests/b/dont_exclude/a.py"),
+            Path(THIS_DIR / "include_exclude_tests/b/dont_exclude/a.pyi"),
+        ]
+        this_abs = THIS_DIR.resolve()
+        sources.extend(black.gen_python_files_in_dir(path, this_abs, include, exclude))
+        self.assertEqual(sorted(expected), sorted(sources))
+
+    def test_empty_include(self) -> None:
+        path = THIS_DIR / "include_exclude_tests"
+        empty = re.compile(r"")
+        sources: List[Path] = []
+        expected = [
+            Path(path / "b/exclude/a.pie"),
+            Path(path / "b/exclude/a.py"),
+            Path(path / "b/exclude/a.pyi"),
+            Path(path / "b/dont_exclude/a.pie"),
+            Path(path / "b/dont_exclude/a.py"),
+            Path(path / "b/dont_exclude/a.pyi"),
+            Path(path / "b/.definitely_exclude/a.pie"),
+            Path(path / "b/.definitely_exclude/a.py"),
+            Path(path / "b/.definitely_exclude/a.pyi"),
+        ]
+        this_abs = THIS_DIR.resolve()
+        sources.extend(
+            black.gen_python_files_in_dir(
+                path, this_abs, empty, re.compile(black.DEFAULT_EXCLUDES)
+            )
+        )
+        self.assertEqual(sorted(expected), sorted(sources))
+
+    def test_empty_exclude(self) -> None:
+        path = THIS_DIR / "include_exclude_tests"
+        empty = re.compile(r"")
+        sources: List[Path] = []
+        expected = [
+            Path(path / "b/dont_exclude/a.py"),
+            Path(path / "b/dont_exclude/a.pyi"),
+            Path(path / "b/exclude/a.py"),
+            Path(path / "b/exclude/a.pyi"),
+            Path(path / "b/.definitely_exclude/a.py"),
+            Path(path / "b/.definitely_exclude/a.pyi"),
+        ]
+        this_abs = THIS_DIR.resolve()
+        sources.extend(
+            black.gen_python_files_in_dir(
+                path, this_abs, re.compile(black.DEFAULT_INCLUDES), empty
+            )
+        )
+        self.assertEqual(sorted(expected), sorted(sources))
+
+    def test_invalid_include_exclude(self) -> None:
+        for option in ["--include", "--exclude"]:
+            result = CliRunner().invoke(black.main, ["-", option, "**()(!!*)"])
+            self.assertEqual(result.exit_code, 2)
+
 
 if __name__ == "__main__":
     unittest.main()