change some numeric behavior (#469)

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

diff --git a/tests/test_black.py b/tests/test_black.py
index 8a371973b28c1a4e1192ec41846778e8f793ac2e..311f63563b9666765712a78bec994222fe8465df 100644 (file)
--- a/tests/test_black.py
+++ b/tests/test_black.py
@@ -162,7 +162,9 @@ class BlackTestCase(unittest.TestCase):
         source, expected = read_data("../black", data=False)
         stderrbuf = BytesIO()
         result = BlackRunner(stderrbuf).invoke(
-            black.main, ["-", "--fast", f"--line-length={ll}"], input=source
+            black.main,
+            ["-", "--fast", f"--line-length={ll}"],
+            input=BytesIO(source.encode("utf8")),
         )
         self.assertEqual(result.exit_code, 0)
         self.assertFormatEqual(expected, result.output)
@@ -179,7 +181,9 @@ class BlackTestCase(unittest.TestCase):
         config = THIS_DIR / "data" / "empty_pyproject.toml"
         stderrbuf = BytesIO()
         args = ["-", "--fast", f"--line-length={ll}", "--diff", f"--config={config}"]
-        result = BlackRunner(stderrbuf).invoke(black.main, args, input=source)
+        result = BlackRunner(stderrbuf).invoke(
+            black.main, args, input=BytesIO(source.encode("utf8"))
+        )
         self.assertEqual(result.exit_code, 0)
         actual = diff_header.sub("[Deterministic header]", result.output)
         actual = actual.rstrip() + "\n"  # the diff output has a trailing space
@@ -369,6 +373,21 @@ 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_numeric_literals(self) -> None:
+        source, expected = read_data("numeric_literals")
+        actual = fs(source, mode=black.FileMode.PYTHON36)
+        self.assertFormatEqual(expected, actual)
+        black.assert_equivalent(source, actual)
+        black.assert_stable(source, actual, line_length=ll)
+
+    @patch("black.dump_to_file", dump_to_stderr)
+    def test_numeric_literals_py2(self) -> None:
+        source, expected = read_data("numeric_literals_py2")
+        actual = fs(source)
+        self.assertFormatEqual(expected, actual)
+        black.assert_stable(source, actual, line_length=ll)
+
     @patch("black.dump_to_file", dump_to_stderr)
     def test_python2(self) -> None:
         source, expected = read_data("python2")
@@ -392,6 +411,16 @@ class BlackTestCase(unittest.TestCase):
         self.assertFormatEqual(expected, actual)
         black.assert_stable(source, actual, line_length=ll, mode=mode)
 
+    @patch("black.dump_to_file", dump_to_stderr)
+    def test_python37(self) -> None:
+        source, expected = read_data("python37")
+        actual = fs(source)
+        self.assertFormatEqual(expected, actual)
+        major, minor = sys.version_info[:2]
+        if major > 3 or (major == 3 and minor >= 7):
+            black.assert_equivalent(source, actual)
+        black.assert_stable(source, actual, line_length=ll)
+
     @patch("black.dump_to_file", dump_to_stderr)
     def test_fmtonoff(self) -> None:
         source, expected = read_data("fmtonoff")
@@ -424,6 +453,14 @@ 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_bracket_match(self) -> None:
+        source, expected = read_data("bracketmatch")
+        actual = fs(source)
+        self.assertFormatEqual(expected, actual)
+        black.assert_equivalent(source, actual)
+        black.assert_stable(source, actual, line_length=ll)
+
     def test_report_verbose(self) -> None:
         report = black.Report(verbose=True)
         out_lines = []
@@ -703,6 +740,10 @@ class BlackTestCase(unittest.TestCase):
         self.assertTrue(black.is_python36(node))
         node = black.lib2to3_parse("def f(*, arg): f'string'\n")
         self.assertTrue(black.is_python36(node))
+        node = black.lib2to3_parse("123_456\n")
+        self.assertTrue(black.is_python36(node))
+        node = black.lib2to3_parse("123456\n")
+        self.assertFalse(black.is_python36(node))
         source, expected = read_data("function")
         node = black.lib2to3_parse(source)
         self.assertTrue(black.is_python36(node))
@@ -735,6 +776,14 @@ class BlackTestCase(unittest.TestCase):
         self.assertEqual(set(), black.get_future_imports(node))
         node = black.lib2to3_parse("from some.module import black\n")
         self.assertEqual(set(), black.get_future_imports(node))
+        node = black.lib2to3_parse(
+            "from __future__ import unicode_literals as _unicode_literals"
+        )
+        self.assertEqual({"unicode_literals"}, black.get_future_imports(node))
+        node = black.lib2to3_parse(
+            "from __future__ import unicode_literals as _lol, print"
+        )
+        self.assertEqual({"unicode_literals", "print"}, black.get_future_imports(node))
 
     def test_debug_visitor(self) -> None:
         source, _ = read_data("debug_visitor.py")
@@ -869,7 +918,9 @@ class BlackTestCase(unittest.TestCase):
     def test_no_cache_when_stdin(self) -> None:
         mode = black.FileMode.AUTO_DETECT
         with cache_dir():
-            result = CliRunner().invoke(black.main, ["-"], input="print('hello')")
+            result = CliRunner().invoke(
+                black.main, ["-"], input=BytesIO(b"print('hello')")
+            )
             self.assertEqual(result.exit_code, 0)
             cache_file = black.get_cache_file(black.DEFAULT_LINE_LENGTH, mode)
             self.assertFalse(cache_file.exists())
@@ -1027,7 +1078,9 @@ class BlackTestCase(unittest.TestCase):
 
     def test_pipe_force_pyi(self) -> None:
         source, expected = read_data("force_pyi")
-        result = CliRunner().invoke(black.main, ["-", "-q", "--pyi"], input=source)
+        result = CliRunner().invoke(
+            black.main, ["-", "-q", "--pyi"], input=BytesIO(source.encode("utf8"))
+        )
         self.assertEqual(result.exit_code, 0)
         actual = result.output
         self.assertFormatEqual(actual, expected)
@@ -1081,7 +1134,9 @@ class BlackTestCase(unittest.TestCase):
 
     def test_pipe_force_py36(self) -> None:
         source, expected = read_data("force_py36")
-        result = CliRunner().invoke(black.main, ["-", "-q", "--py36"], input=source)
+        result = CliRunner().invoke(
+            black.main, ["-", "-q", "--py36"], input=BytesIO(source.encode("utf8"))
+        )
         self.assertEqual(result.exit_code, 0)
         actual = result.output
         self.assertFormatEqual(actual, expected)
@@ -1160,9 +1215,9 @@ class BlackTestCase(unittest.TestCase):
                 test_file.write_bytes(contents.encode())
                 ff(test_file, write_back=black.WriteBack.YES)
                 updated_contents: bytes = test_file.read_bytes()
-                self.assertIn(nl.encode(), updated_contents)  # type: ignore
+                self.assertIn(nl.encode(), updated_contents)
                 if nl == "\n":
-                    self.assertNotIn(b"\r\n", updated_contents)  # type: ignore
+                    self.assertNotIn(b"\r\n", updated_contents)
 
     def test_assert_equivalent_different_asts(self) -> None:
         with self.assertRaises(AssertionError):