1 files changed, 173 insertions, 0 deletions
diff --git a/src/tests/intg/files_ops.py b/src/tests/intg/files_ops.py
new file mode 100644
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--- /dev/null
+++ b/src/tests/intg/files_ops.py
@@ -0,0 +1,173 @@
+#
+# SSSD integration test - operations on UNIX user and group database
+#
+# Copyright (c) 2016 Red Hat, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+import os
+import os.path
+import tempfile
+import pytest
+
+import ent
+from util import backup_envvar_file, restore_envvar_file
+
+
+@pytest.fixture
+def passwd_ops_setup(request):
+    pwd_file = os.environ["NSS_WRAPPER_PASSWD"]
+    backup_envvar_file("NSS_WRAPPER_PASSWD")
+    request.addfinalizer(lambda: restore_envvar_file("NSS_WRAPPER_PASSWD"))
+    pwd_ops = PasswdOps(pwd_file)
+    return pwd_ops
+
+
+@pytest.fixture
+def group_ops_setup(request):
+    grp_file = os.environ["NSS_WRAPPER_GROUP"]
+    backup_envvar_file("NSS_WRAPPER_GROUP")
+    request.addfinalizer(lambda: restore_envvar_file("NSS_WRAPPER_GROUP"))
+    grp_ops = GroupOps(grp_file)
+    return grp_ops
+
+
+@pytest.fixture
+def group_db_setup(request):
+    group = request.param
+    grp_ops = group_ops_setup(request)
+    grp_ops.groupadd(**group)
+    ent.assert_group_by_name(group['name'], group)
+    return grp_ops
+
+
+class FilesOps(object):
+    """
+    A naive implementation of operations as a basis for user or group
+    operations. Uses rename to (hopefully) trigger the same fs-level
+    notifications as shadow-utils would.
+    """
+    def __init__(self, file_name):
+        self.file_name = file_name
+        self.tmp_dir = os.path.dirname(self.file_name)
+
+    @staticmethod
+    def _get_named_line(name, contents):
+        for num, line in enumerate(contents, 0):
+            pname = line.split(':')[0]
+            if name == pname:
+                return num
+        raise KeyError("%s not found" % name)
+
+    def _read_contents(self):
+        with open(self.file_name, "r") as pfile:
+            contents = pfile.readlines()
+        return contents
+
+    def _write_contents(self, contents):
+        tmp_file = tempfile.NamedTemporaryFile(mode='w', dir=self.tmp_dir,
+                                               delete=False)
+        tmp_file.writelines(contents)
+        tmp_file.flush()
+
+        os.rename(tmp_file.name, self.file_name)
+
+    def _append_line(self, new_line):
+        contents = self._read_contents()
+        contents.extend(new_line)
+        self._write_contents(contents)
+
+    def _subst_line(self, key, line):
+        contents = self._read_contents()
+        kindex = self._get_named_line(key, contents)
+        contents[kindex] = line
+        self._write_contents(contents)
+
+    def _del_line(self, key):
+        contents = self._read_contents()
+        kindex = self._get_named_line(key, contents)
+        contents.pop(kindex)
+        self._write_contents(contents)
+
+        contents = self._read_contents()
+
+    def _has_line(self, key):
+        try:
+            self._get_named_line(key, self._read_contents())
+            return True
+        except KeyError:
+            return False
+
+
+class PasswdOps(FilesOps):
+    """
+    A naive implementation of user operations
+    """
+    def __init__(self, file_name):
+        super(PasswdOps, self).__init__(file_name)
+
+    def _pwd2line(self, name, uid, gid, passwd, gecos, homedir, shell):
+        pwd_fmt = "{name}:{passwd}:{uid}:{gid}:{gecos}:{homedir}:{shell}\n"
+        return pwd_fmt.format(name=name,
+                              passwd=passwd,
+                              uid=uid,
+                              gid=gid,
+                              gecos=gecos,
+                              homedir=homedir,
+                              shell=shell)
+
+    def useradd(self, name, uid, gid, passwd='', gecos='', dir='', shell=''):
+        pwd_line = self._pwd2line(name, uid, gid, passwd, gecos, dir, shell)
+        self._append_line(pwd_line)
+
+    def usermod(self, name, uid, gid, passwd='', gecos='', dir='', shell=''):
+        pwd_line = self._pwd2line(name, uid, gid, passwd, gecos, dir, shell)
+        self._subst_line(name, pwd_line)
+
+    def userdel(self, name):
+        self._del_line(name)
+
+    def userexist(self, name):
+        return self._has_line(name)
+
+
+class GroupOps(FilesOps):
+    """
+    A naive implementation of group operations
+    """
+    def __init__(self, file_name):
+        super(GroupOps, self).__init__(file_name)
+
+    def _grp2line(self, name, gid, mem, passwd):
+        member_list = ",".join(m for m in mem)
+        grp_fmt = "{name}:{passwd}:{gid}:{member_list}\n"
+        return grp_fmt.format(name=name,
+                              passwd=passwd,
+                              gid=gid,
+                              member_list=member_list)
+
+    def groupadd(self, name, gid, mem, passwd="*"):
+        grp_line = self._grp2line(name, gid, mem, passwd)
+        self._append_line(grp_line)
+
+    def groupmod(self, old_name, name, gid, mem, passwd="*"):
+        grp_line = self._grp2line(name, gid, mem, passwd)
+        self._subst_line(old_name, grp_line)
+
+    def groupdel(self, name):
+        self._del_line(name)
+
+    def groupexist(self, name):
+        return self._has_line(name)