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dont skip formatting #%% (#2919)
[etc/vim.git] / tests / test_ipynb.py
diff --git a/tests/test_ipynb.py b/tests/test_ipynb.py
index 141e865815a5c9f84aed85cf46e411cce6070879..b534d77c22abea804c38532583cd230fec218197 100644 (file)
--- a/tests/test_ipynb.py
+++ b/tests/test_ipynb.py
@@ -1,4 +1,8 @@
+from dataclasses import replace
+import pathlib
 import re
 import re
+from contextlib import ExitStack as does_not_raise
+from typing import ContextManager
 
 from click.testing import CliRunner
 from black.handle_ipynb_magics import jupyter_dependencies_are_installed
 
 from click.testing import CliRunner
 from black.handle_ipynb_magics import jupyter_dependencies_are_installed
@@ -12,7 +16,6 @@ from black import (
 import pytest
 from black import Mode
 from _pytest.monkeypatch import MonkeyPatch
 import pytest
 from black import Mode
 from _pytest.monkeypatch import MonkeyPatch
-from py.path import local
 from tests.util import DATA_DIR
 
 pytestmark = pytest.mark.jupyter
 from tests.util import DATA_DIR
 
 pytestmark = pytest.mark.jupyter
@@ -21,6 +24,8 @@ pytest.importorskip("tokenize_rt", reason="tokenize-rt is an optional dependency
 
 JUPYTER_MODE = Mode(is_ipynb=True)
 
 
 JUPYTER_MODE = Mode(is_ipynb=True)
 
+EMPTY_CONFIG = DATA_DIR / "empty_pyproject.toml"
+
 runner = CliRunner()
 
 
 runner = CliRunner()
 
 
@@ -63,9 +68,19 @@ def test_trailing_semicolon_noop() -> None:
         format_cell(src, fast=True, mode=JUPYTER_MODE)
 
 
         format_cell(src, fast=True, mode=JUPYTER_MODE)
 
 
-def test_cell_magic() -> None:
+@pytest.mark.parametrize(
+    "mode",
+    [
+        pytest.param(JUPYTER_MODE, id="default mode"),
+        pytest.param(
+            replace(JUPYTER_MODE, python_cell_magics={"cust1", "cust1"}),
+            id="custom cell magics mode",
+        ),
+    ],
+)
+def test_cell_magic(mode: Mode) -> None:
     src = "%%time\nfoo =bar"
     src = "%%time\nfoo =bar"
-    result = format_cell(src, fast=True, mode=JUPYTER_MODE)
+    result = format_cell(src, fast=True, mode=mode)
     expected = "%%time\nfoo = bar"
     assert result == expected
 
     expected = "%%time\nfoo = bar"
     assert result == expected
 
@@ -76,6 +91,16 @@ def test_cell_magic_noop() -> None:
         format_cell(src, fast=True, mode=JUPYTER_MODE)
 
 
         format_cell(src, fast=True, mode=JUPYTER_MODE)
 
 
+@pytest.mark.parametrize(
+    "mode",
+    [
+        pytest.param(JUPYTER_MODE, id="default mode"),
+        pytest.param(
+            replace(JUPYTER_MODE, python_cell_magics={"cust1", "cust1"}),
+            id="custom cell magics mode",
+        ),
+    ],
+)
 @pytest.mark.parametrize(
     "src, expected",
     (
 @pytest.mark.parametrize(
     "src, expected",
     (
@@ -96,8 +121,8 @@ def test_cell_magic_noop() -> None:
         pytest.param("env =  %env", "env = %env", id="Assignment to magic"),
     ),
 )
         pytest.param("env =  %env", "env = %env", id="Assignment to magic"),
     ),
 )
-def test_magic(src: str, expected: str) -> None:
-    result = format_cell(src, fast=True, mode=JUPYTER_MODE)
+def test_magic(src: str, expected: str, mode: Mode) -> None:
+    result = format_cell(src, fast=True, mode=mode)
     assert result == expected
 
 
     assert result == expected
 
 
@@ -139,6 +164,41 @@ def test_cell_magic_with_magic() -> None:
     assert result == expected
 
 
     assert result == expected
 
 
+@pytest.mark.parametrize(
+    "mode, expected_output, expectation",
+    [
+        pytest.param(
+            JUPYTER_MODE,
+            "%%custom_python_magic -n1 -n2\nx=2",
+            pytest.raises(NothingChanged),
+            id="No change when cell magic not registered",
+        ),
+        pytest.param(
+            replace(JUPYTER_MODE, python_cell_magics={"cust1", "cust1"}),
+            "%%custom_python_magic -n1 -n2\nx=2",
+            pytest.raises(NothingChanged),
+            id="No change when other cell magics registered",
+        ),
+        pytest.param(
+            replace(JUPYTER_MODE, python_cell_magics={"custom_python_magic", "cust1"}),
+            "%%custom_python_magic -n1 -n2\nx = 2",
+            does_not_raise(),
+            id="Correctly change when cell magic registered",
+        ),
+    ],
+)
+def test_cell_magic_with_custom_python_magic(
+    mode: Mode, expected_output: str, expectation: ContextManager[object]
+) -> None:
+    with expectation:
+        result = format_cell(
+            "%%custom_python_magic -n1 -n2\nx=2",
+            fast=True,
+            mode=mode,
+        )
+        assert result == expected_output
+
+
 def test_cell_magic_nested() -> None:
     src = "%%time\n%%time\n2+2"
     result = format_cell(src, fast=True, mode=JUPYTER_MODE)
 def test_cell_magic_nested() -> None:
     src = "%%time\n%%time\n2+2"
     result = format_cell(src, fast=True, mode=JUPYTER_MODE)
@@ -352,9 +412,10 @@ def test_ipynb_diff_with_change() -> None:
         [
             str(DATA_DIR / "notebook_trailing_newline.ipynb"),
             "--diff",
         [
             str(DATA_DIR / "notebook_trailing_newline.ipynb"),
             "--diff",
+            f"--config={EMPTY_CONFIG}",
         ],
     )
         ],
     )
-    expected = "@@ -1,3 +1,3 @@\n %%time\n \n-print('foo')\n" '+print("foo")\n'
+    expected = "@@ -1,3 +1,3 @@\n %%time\n \n-print('foo')\n+print(\"foo\")\n"
     assert expected in result.output
 
 
     assert expected in result.output
 
 
@@ -364,6 +425,7 @@ def test_ipynb_diff_with_no_change() -> None:
         [
             str(DATA_DIR / "notebook_without_changes.ipynb"),
             "--diff",
         [
             str(DATA_DIR / "notebook_without_changes.ipynb"),
             "--diff",
+            f"--config={EMPTY_CONFIG}",
         ],
     )
     expected = "1 file would be left unchanged."
         ],
     )
     expected = "1 file would be left unchanged."
@@ -371,52 +433,56 @@ def test_ipynb_diff_with_no_change() -> None:
 
 
 def test_cache_isnt_written_if_no_jupyter_deps_single(
 
 
 def test_cache_isnt_written_if_no_jupyter_deps_single(
-    monkeypatch: MonkeyPatch, tmpdir: local
+    monkeypatch: MonkeyPatch, tmp_path: pathlib.Path
 ) -> None:
     # Check that the cache isn't written to if Jupyter dependencies aren't installed.
     jupyter_dependencies_are_installed.cache_clear()
     nb = DATA_DIR / "notebook_trailing_newline.ipynb"
 ) -> None:
     # Check that the cache isn't written to if Jupyter dependencies aren't installed.
     jupyter_dependencies_are_installed.cache_clear()
     nb = DATA_DIR / "notebook_trailing_newline.ipynb"
-    tmp_nb = tmpdir / "notebook.ipynb"
+    tmp_nb = tmp_path / "notebook.ipynb"
     with open(nb) as src, open(tmp_nb, "w") as dst:
         dst.write(src.read())
     monkeypatch.setattr(
         "black.jupyter_dependencies_are_installed", lambda verbose, quiet: False
     )
     with open(nb) as src, open(tmp_nb, "w") as dst:
         dst.write(src.read())
     monkeypatch.setattr(
         "black.jupyter_dependencies_are_installed", lambda verbose, quiet: False
     )
-    result = runner.invoke(main, [str(tmpdir / "notebook.ipynb")])
+    result = runner.invoke(
+        main, [str(tmp_path / "notebook.ipynb"), f"--config={EMPTY_CONFIG}"]
+    )
     assert "No Python files are present to be formatted. Nothing to do" in result.output
     jupyter_dependencies_are_installed.cache_clear()
     monkeypatch.setattr(
         "black.jupyter_dependencies_are_installed", lambda verbose, quiet: True
     )
     assert "No Python files are present to be formatted. Nothing to do" in result.output
     jupyter_dependencies_are_installed.cache_clear()
     monkeypatch.setattr(
         "black.jupyter_dependencies_are_installed", lambda verbose, quiet: True
     )
-    result = runner.invoke(main, [str(tmpdir / "notebook.ipynb")])
+    result = runner.invoke(
+        main, [str(tmp_path / "notebook.ipynb"), f"--config={EMPTY_CONFIG}"]
+    )
     assert "reformatted" in result.output
 
 
 def test_cache_isnt_written_if_no_jupyter_deps_dir(
     assert "reformatted" in result.output
 
 
 def test_cache_isnt_written_if_no_jupyter_deps_dir(
-    monkeypatch: MonkeyPatch, tmpdir: local
+    monkeypatch: MonkeyPatch, tmp_path: pathlib.Path
 ) -> None:
     # Check that the cache isn't written to if Jupyter dependencies aren't installed.
     jupyter_dependencies_are_installed.cache_clear()
     nb = DATA_DIR / "notebook_trailing_newline.ipynb"
 ) -> None:
     # Check that the cache isn't written to if Jupyter dependencies aren't installed.
     jupyter_dependencies_are_installed.cache_clear()
     nb = DATA_DIR / "notebook_trailing_newline.ipynb"
-    tmp_nb = tmpdir / "notebook.ipynb"
+    tmp_nb = tmp_path / "notebook.ipynb"
     with open(nb) as src, open(tmp_nb, "w") as dst:
         dst.write(src.read())
     monkeypatch.setattr(
         "black.files.jupyter_dependencies_are_installed", lambda verbose, quiet: False
     )
     with open(nb) as src, open(tmp_nb, "w") as dst:
         dst.write(src.read())
     monkeypatch.setattr(
         "black.files.jupyter_dependencies_are_installed", lambda verbose, quiet: False
     )
-    result = runner.invoke(main, [str(tmpdir)])
+    result = runner.invoke(main, [str(tmp_path), f"--config={EMPTY_CONFIG}"])
     assert "No Python files are present to be formatted. Nothing to do" in result.output
     jupyter_dependencies_are_installed.cache_clear()
     monkeypatch.setattr(
         "black.files.jupyter_dependencies_are_installed", lambda verbose, quiet: True
     )
     assert "No Python files are present to be formatted. Nothing to do" in result.output
     jupyter_dependencies_are_installed.cache_clear()
     monkeypatch.setattr(
         "black.files.jupyter_dependencies_are_installed", lambda verbose, quiet: True
     )
-    result = runner.invoke(main, [str(tmpdir)])
+    result = runner.invoke(main, [str(tmp_path), f"--config={EMPTY_CONFIG}"])
     assert "reformatted" in result.output
 
 
     assert "reformatted" in result.output
 
 
-def test_ipynb_flag(tmpdir: local) -> None:
+def test_ipynb_flag(tmp_path: pathlib.Path) -> None:
     nb = DATA_DIR / "notebook_trailing_newline.ipynb"
     nb = DATA_DIR / "notebook_trailing_newline.ipynb"
-    tmp_nb = tmpdir / "notebook.a_file_extension_which_is_definitely_not_ipynb"
+    tmp_nb = tmp_path / "notebook.a_file_extension_which_is_definitely_not_ipynb"
     with open(nb) as src, open(tmp_nb, "w") as dst:
         dst.write(src.read())
     result = runner.invoke(
     with open(nb) as src, open(tmp_nb, "w") as dst:
         dst.write(src.read())
     result = runner.invoke(
@@ -425,9 +491,10 @@ def test_ipynb_flag(tmpdir: local) -> None:
             str(tmp_nb),
             "--diff",
             "--ipynb",
             str(tmp_nb),
             "--diff",
             "--ipynb",
+            f"--config={EMPTY_CONFIG}",
         ],
     )
         ],
     )
-    expected = "@@ -1,3 +1,3 @@\n %%time\n \n-print('foo')\n" '+print("foo")\n'
+    expected = "@@ -1,3 +1,3 @@\n %%time\n \n-print('foo')\n+print(\"foo\")\n"
     assert expected in result.output
 
 
     assert expected in result.output
 
 
@@ -440,6 +507,7 @@ def test_ipynb_and_pyi_flags() -> None:
             "--pyi",
             "--ipynb",
             "--diff",
             "--pyi",
             "--ipynb",
             "--diff",
+            f"--config={EMPTY_CONFIG}",
         ],
     )
     assert isinstance(result.exception, SystemExit)
         ],
     )
     assert isinstance(result.exception, SystemExit)
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