Extract write_recording_editor().

tests/test_command_genspider.py

@@ -7,14 +7,7 @@ from pathlib import Path
 import pytest
 
 from tests.test_commands import TestProjectBase
-from tests.utils.cmdline import call, proc
-
-
-def write_recording_editor(editor: Path) -> None:
-    """Create an executable editor script that writes the path it is asked to
-    open (its last argument) into the file given as its first argument."""
-    editor.write_text('#!/bin/sh\nprintf "%s" "$2" > "$1"\n', encoding="utf-8")
-    editor.chmod(0o755)
+from tests.utils.cmdline import call, proc, write_recording_editor
 
 
 def find_in_file(filename: Path, regex: str) -> re.Match[str] | None:

tests/test_commands.py

@@ -16,7 +16,7 @@ from scrapy.commands import ScrapyCommand, ScrapyHelpFormatter, view
 from scrapy.exceptions import ScrapyDeprecationWarning
 from scrapy.settings import Settings
 from scrapy.utils.reactor import _asyncio_reactor_path
-from tests.utils.cmdline import call, proc
+from tests.utils.cmdline import call, proc, write_recording_editor
 
 if TYPE_CHECKING:
     from pathlib import Path
@@ -430,9 +430,7 @@ class TestEditCommand(TestProjectBase):
         spider = proj_path / self.project_name / "spiders" / "example.py"
         edited = proj_path / "edited.txt"
         editor = proj_path / "fake-editor.sh"
-        # Records the file it is asked to open ($2) into the file given as $1.
-        editor.write_text('#!/bin/sh\nprintf "%s" "$2" > "$1"\n', encoding="utf-8")
-        editor.chmod(0o755)
+        write_recording_editor(editor)
         monkeypatch.setenv("EDITOR", f"{editor} {edited}")
 
         assert call("genspider", "example", "example.com", cwd=proj_path) == 0

tests/utils/cmdline.py

@@ -2,12 +2,15 @@ from __future__ import annotations
 
 import subprocess
 import sys
-from typing import Any
+from typing import TYPE_CHECKING, Any
 
 import pytest
 
 from scrapy.utils.test import get_testenv
 
+if TYPE_CHECKING:
+    from pathlib import Path
+
 
 def call(*args: str, **popen_kwargs: Any) -> int:
     args = (sys.executable, "-m", "scrapy.cmdline", *args)
@@ -36,3 +39,10 @@ def proc(*args: str, **popen_kwargs: Any) -> tuple[int, str, str]:
         pytest.fail("Command took too much time to complete")
 
     return p.returncode, p.stdout, p.stderr
+
+
+def write_recording_editor(editor: Path) -> None:
+    """Create an executable editor script that writes the path it is asked to
+    open (its last argument) into the file given as its first argument."""
+    editor.write_text('#!/bin/sh\nprintf "%s" "$2" > "$1"\n', encoding="utf-8")
+    editor.chmod(0o755)