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Accelerate Unicode identifier support (backport from Lib/tokenize.py)
[etc/vim.git] / tests / test_black.py
index fc310690ccec649a339bad18b53e6d44ccd335c7..6f0ffa364ac749e770e67549ee6e4420bfc8e739 100644 (file)
@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 import asyncio
+from concurrent.futures import ThreadPoolExecutor
 from contextlib import contextmanager
 from functools import partial
 from io import StringIO
@@ -199,7 +200,7 @@ class BlackTestCase(unittest.TestCase):
             self.assertTrue(ff(tmp_file, write_back=black.WriteBack.DIFF))
             sys.stdout.seek(0)
             actual = sys.stdout.read()
-            actual = actual.replace(tmp_file.name, "<stdin>")
+            actual = actual.replace(str(tmp_file), "<stdin>")
         finally:
             sys.stdout = hold_stdout
             os.unlink(tmp_file)
@@ -507,7 +508,9 @@ class BlackTestCase(unittest.TestCase):
 
     @event_loop(close=False)
     def test_cache_multiple_files(self) -> None:
-        with cache_dir() as workspace:
+        with cache_dir() as workspace, patch(
+            "black.ProcessPoolExecutor", new=ThreadPoolExecutor
+        ):
             one = (workspace / "one.py").resolve()
             with one.open("w") as fobj:
                 fobj.write("print('hello')")
@@ -577,7 +580,9 @@ class BlackTestCase(unittest.TestCase):
 
     @event_loop(close=False)
     def test_failed_formatting_does_not_get_cached(self) -> None:
-        with cache_dir() as workspace:
+        with cache_dir() as workspace, patch(
+            "black.ProcessPoolExecutor", new=ThreadPoolExecutor
+        ):
             failing = (workspace / "failing.py").resolve()
             with failing.open("w") as fobj:
                 fobj.write("not actually python")
@@ -595,6 +600,24 @@ class BlackTestCase(unittest.TestCase):
             mock.side_effect = OSError
             black.write_cache({}, [])
 
+    def test_check_diff_use_together(self) -> None:
+        with cache_dir():
+            # Files which will be reformatted.
+            src1 = (THIS_DIR / "string_quotes.py").resolve()
+            result = CliRunner().invoke(black.main, [str(src1), "--diff", "--check"])
+            self.assertEqual(result.exit_code, 1)
+
+            # Files which will not be reformatted.
+            src2 = (THIS_DIR / "composition.py").resolve()
+            result = CliRunner().invoke(black.main, [str(src2), "--diff", "--check"])
+            self.assertEqual(result.exit_code, 0)
+
+            # Multi file command.
+            result = CliRunner().invoke(
+                black.main, [str(src1), str(src2), "--diff", "--check"]
+            )
+            self.assertEqual(result.exit_code, 1)
+
 
 if __name__ == "__main__":
     unittest.main()