Merge pull request #76 from takenori-y/python_m

Support for running with the -m option

docstrfmt/__main__.py

@@ -0,0 +1,3 @@
+from docstrfmt.main import main  # pragma: no cover
+
+main()  # pragma: no cover

tests/test_main.py

@@ -1,4 +1,5 @@
 import os
+import subprocess
 import sys
 
 import pytest
@@ -30,6 +31,23 @@ def test_check(runner, file):
     )
 
 
+@pytest.mark.parametrize(
+    "file", ["tests/test_files/test_file.rst", "tests/test_files/py_file.py"]
+)
+def test_call(file):
+    args = ["-c", "-l", "80", os.path.abspath(file)]
+    result = subprocess.run(
+        [sys.executable, "-m", "docstrfmt", *args],
+        stderr=subprocess.PIPE,
+        text=True,
+        encoding="unicode-escape" if os.name == "nt" else None,
+    )
+    assert result.returncode == 1
+    assert result.stderr.endswith(
+        "could be reformatted.\n1 out of 1 file could be reformatted.\nDone! 🎉\n"
+    )
+
+
 @pytest.mark.parametrize("flag", [True, False])
 def test_docstring_trailing_line(runner, flag):
     args = [