tests/system/tests/test_vipw.py: implement basic tests

* Run vipw on passwd file and add a user
* Run vipw on shadow file and add a user
* Run vipw on group file and add a group
* Run vipw on gshadow file and add a group

Signed-off-by: Iker Pedrosa <ipedrosa@redhat.com>

Author: ikerexxe

tests/system/tests/test_vipw.py

@@ -0,0 +1,108 @@
+"""
+Test vipw
+"""
+
+from __future__ import annotations
+
+import pytest
+
+from framework.roles.shadow import Shadow
+from framework.topology import KnownTopology
+
+
+@pytest.mark.topology(KnownTopology.Shadow)
+def test_vipw__add_user_to_passwd(shadow: Shadow):
+    """
+    :title: Run vipw on passwd file and add a user
+    :setup:
+    :steps:
+        1. Run vipw and add a user entry in passwd
+        2. Check the user's passwd entry
+    :expectedresults:
+        1. vipw runs successfully
+        2. User's passwd entry is correct
+    :customerscenario: False
+    """
+    editor_script = "Go\ntuser:x:1000:1000::/home/tuser:/bin/bash\n:wq"
+    shadow.vipw(editor_script=editor_script)
+
+    passwd_entry = shadow.tools.getent.passwd("tuser")
+    assert passwd_entry is not None, "User should be found"
+    assert passwd_entry.name == "tuser", "Incorrect username"
+    assert passwd_entry.password == "x", "Incorrect password"
+    assert passwd_entry.uid == 1000, "Incorrect UID"
+    assert passwd_entry.gid == 1000, "Incorrect GID"
+    assert passwd_entry.home == "/home/tuser", "Incorrect home"
+    assert passwd_entry.shell == "/bin/bash", "Incorrect shell"
+
+
+@pytest.mark.topology(KnownTopology.Shadow)
+def test_vipw__add_user_to_shadow(shadow: Shadow):
+    """
+    :title: Run vipw on shadow file and add a user
+    :setup:
+    :steps:
+        1. Run vipw and add a user entry in shadow
+        2. Check the user's shadow entry
+    :expectedresults:
+        1. vipw runs successfully
+        2. User's shadow entry is correct
+    :customerscenario: False
+    """
+    editor_script = "Go\ntuser:!:20342:0:99999:7:::\n:wq!"
+    shadow.vipw("-s", editor_script=editor_script)
+
+    shadow_entry = shadow.tools.getent.shadow("tuser")
+    assert shadow_entry is not None, "User should be found"
+    assert shadow_entry.name == "tuser", "Incorrect username"
+    assert shadow_entry.password is not None, "Password should not be None"
+    assert shadow_entry.password == "!", "Incorrect password"
+    assert shadow_entry.last_changed == 20342, "Incorrect last changed"
+    assert shadow_entry.min_days == 0, "Incorrect min days"
+    assert shadow_entry.max_days == 99999, "Incorrect max days"
+    assert shadow_entry.warn_days == 7, "Incorrect warn days"
+
+
+@pytest.mark.topology(KnownTopology.Shadow)
+def test_vipw__add_group_to_group(shadow: Shadow):
+    """
+    :title: Run vipw on group file and add a group
+    :setup:
+    :steps:
+        1. Run vipw and add a group entry in group
+        2. Check the group's group entry
+    :expectedresults:
+        1. vipw runs successfully
+        2. Group's shadow group is correct
+    :customerscenario: False
+    """
+    editor_script = "Go\ntgroup:x:1000:\n:wq"
+    shadow.vipw("-g", editor_script=editor_script)
+
+    group_entry = shadow.tools.getent.group("tgroup")
+    assert group_entry is not None, "Group should be found"
+    assert group_entry.name == "tgroup", "Incorrect groupname"
+    assert group_entry.gid == 1000, "Incorrect GID"
+
+
+@pytest.mark.topology(KnownTopology.Shadow)
+@pytest.mark.builtwith(shadow="gshadow")
+def test_vipw__add_group_to_gshadow(shadow: Shadow):
+    """
+    :title: Run vipw on gshadow file and add a group
+    :setup:
+    :steps:
+        1. Run vipw and add a gshadow entry in group
+        2. Check the group's gshadow entry
+    :expectedresults:
+        1. vipw runs successfully
+        2. Group's shadow gshadow is correct
+    :customerscenario: False
+    """
+    editor_script = "Go\ntgroup:!::\n:wq!"
+    shadow.vipw("-gs", editor_script=editor_script)
+
+    gshadow_entry = shadow.tools.getent.gshadow("tgroup")
+    assert gshadow_entry is not None, "Group should be found"
+    assert gshadow_entry.name == "tgroup", "Incorrect groupname"
+    assert gshadow_entry.password == "!", "Incorrect password"