Fix for commands_pre and commands_post for tox 4

src/tox_current_env/hooks4.py

@@ -96,7 +96,7 @@ def tox_add_env_config(env_conf, state):
     # For print-deps-to and print-extras-to, use empty
     # list of commands so the tox does nothing.
     if opt.print_deps_to or opt.print_extras_to:
-        empty_commands = MemoryLoader(commands=[])
+        empty_commands = MemoryLoader(commands=[], commands_pre=[], commands_post=[])
         env_conf.loaders.insert(0, empty_commands)
 
 

tests/test_integration_tox4.py

@@ -40,6 +40,30 @@ def test_print_deps(toxenv, print_deps_stdout_arg):
     assert prep_tox_output(result.stdout) == expected
 
 
+@pytest.mark.parametrize("toxenv", envs_from_tox_ini())
+@pytest.mark.parametrize("pre_post", ["pre", "post", "both"])
+def test_print_deps_with_commands_pre_post(projdir, toxenv, pre_post, print_deps_stdout_arg):
+    with modify_config(projdir / 'tox.ini') as config:
+        if pre_post == "both":
+            config["testenv"]["commands_pre"] = "echo unexpected"
+            config["testenv"]["commands_post"] = "echo unexpected"
+        else:
+            config["testenv"][f"commands_{pre_post}"] = "echo unexpected"
+    result = tox("-e", toxenv, print_deps_stdout_arg)
+    expected = textwrap.dedent(
+        f"""
+        tox>={TOX_MIN_VERSION}
+        six
+        py
+        {tox_footer(toxenv)}
+        """
+    ).lstrip()
+    assert sorted(prep_tox_output(result.stdout).splitlines()) == sorted(
+        expected.splitlines()
+    )
+    assert result.stderr == ""
+
+
 @pytest.mark.parametrize("toxenv", envs_from_tox_ini())
 def test_print_deps_with_tox_minversion(projdir, toxenv, print_deps_stdout_arg):
     with modify_config(projdir / "tox.ini") as config:
@@ -110,6 +134,29 @@ def test_print_extras(toxenv, print_extras_stdout_arg):
     )
 
 
+@pytest.mark.parametrize("toxenv", envs_from_tox_ini())
+@pytest.mark.parametrize("pre_post", ["pre", "post", "both"])
+def test_print_extras_with_commands_pre_post(projdir, toxenv, pre_post, print_extras_stdout_arg):
+    with modify_config(projdir / 'tox.ini') as config:
+        if pre_post == "both":
+            config["testenv"]["commands_pre"] = "echo unexpected"
+            config["testenv"]["commands_post"] = "echo unexpected"
+        else:
+            config["testenv"][f"commands_{pre_post}"] = "echo unexpected"
+    result = tox("-e", toxenv, print_extras_stdout_arg)
+    expected = textwrap.dedent(
+        f"""
+        dev
+        full
+        {tox_footer(toxenv)}
+        """
+    ).lstrip()
+    assert sorted(prep_tox_output(result.stdout).splitlines()) == sorted(
+        expected.splitlines()
+    )
+    assert result.stderr == ""
+
+
 def test_allenvs_print_deps(print_deps_stdout_arg):
     result = tox(print_deps_stdout_arg)
     expected = []