Add Django in 'used by' section in Readme (#2875)

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

diff --git a/tests/test_ipynb.py b/tests/test_ipynb.py
index 5ecdf00b7bce8d50637fff3364ff9637ca84d206..d78a68cd9a024d28f1fd4fc13713e8c7f1bddd87 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


@@ -63,9 +66,19 @@ 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 +89,16 @@ 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 +119,8 @@ 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
 
 


@@ -106,6 +129,7 @@ def test_magic(src: str, expected: str) -> None:
     (
         "%%bash\n2+2",
         "%%html --isolated\n2+2",
     (
         "%%bash\n2+2",
         "%%html --isolated\n2+2",

+        "%%writefile e.txt\n  meh\n meh",

     ),
 )
 def test_non_python_magics(src: str) -> None:
     ),
 )
 def test_non_python_magics(src: str) -> None:


@@ -132,12 +156,47 @@ def test_magic_noop() -> None:
 
 
 def test_cell_magic_with_magic() -> None:
 
 
 def test_cell_magic_with_magic() -> None:

-    src = "%%t -n1\nls =!ls"
+    src = "%%timeit -n1\nls =!ls"

     result = format_cell(src, fast=True, mode=JUPYTER_MODE)
     result = format_cell(src, fast=True, mode=JUPYTER_MODE)

-    expected = "%%t -n1\nls = !ls"
+    expected = "%%timeit -n1\nls = !ls"

     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)


@@ -370,52 +429,52 @@ 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")])

     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")])

     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)])

     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)])

     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(