add test case for pypa#6171

tests/integration/test_install_basic.py

@@ -699,3 +699,29 @@ def test_category_not_sorted_without_directive(pipenv_instance_private_pypi):
  "colorama",
  "build",
  ]
+
+
+@pytest.mark.basic
+@pytest.mark.install
+def test_category_sorted_with_directive_when_insalling_with_extras(
+ pipenv_instance_private_pypi,
+):
+ with pipenv_instance_private_pypi() as p:
+ with open(p.pipfile_path, "w+") as f:
+ contents = """
+[pipenv]
+sort_pipfile = true
+
+[packages]
+atomicwrites = "*"
+six = "*"
+ """.strip()
+ f.write(contents)
+ c = p.pipenv("install requests[socks]")
+ assert c.returncode == 0
+ assert "requests" in p.pipfile["packages"]
+ assert list(p.pipfile["packages"].keys()) == [
+ "atomicwrites",
+ "requests",
+ "six",
+ ]