Fix bug 2088 by validating helm-chart value on VNF

[osm/NBI.git] / osm_nbi / tests / test_descriptor_topics.py

diff --git a/osm_nbi/tests/test_descriptor_topics.py b/osm_nbi/tests/test_descriptor_topics.py
index e15a38f..dcde0a5 100755 (executable)
--- a/osm_nbi/tests/test_descriptor_topics.py
+++ b/osm_nbi/tests/test_descriptor_topics.py
@@ -27,11 +27,21 @@ from copy import deepcopy
 from time import time
 from osm_common import dbbase, fsbase, msgbase
 from osm_nbi import authconn
-from osm_nbi.tests.test_pkg_descriptors import db_vnfds_text, db_nsds_text
+from osm_nbi.tests.test_pkg_descriptors import (
+    db_vnfds_text,
+    db_nsds_text,
+    vnfd_exploit_text,
+    vnfd_exploit_fixed_text,
+)
 from osm_nbi.descriptor_topics import VnfdTopic, NsdTopic
 from osm_nbi.engine import EngineException
 from osm_common.dbbase import DbException
 import yaml
+import tempfile
+import collections
+import collections.abc
+
+collections.MutableSequence = collections.abc.MutableSequence
 
 test_name = "test-user"
 db_vnfd_content = yaml.safe_load(db_vnfds_text)[0]
@@ -46,11 +56,23 @@ fake_session = {
     "public": False,
     "allow_show_user_project_role": True,
 }
+UUID = "00000000-0000-0000-0000-000000000000"
+
+
+def admin_value():
+    return {"projects_read": []}
+
 
+def setup_mock_fs(fs):
+    fs.path = ""
+    fs.get_params.return_value = {}
+    fs.file_exists.return_value = False
+    fs.file_open.side_effect = lambda path, mode: tempfile.TemporaryFile(mode="a+b")
 
-def norm(str):
+
+def norm(s: str):
     """Normalize string for checking"""
-    return " ".join(str.strip().split()).lower()
+    return " ".join(s.strip().split()).lower()
 
 
 def compare_desc(tc, d1, d2, k):
@@ -94,7 +116,7 @@ class Test_VnfdTopic(TestCase):
         self.topic.check_quota = Mock(return_value=None)  # skip quota
 
     @contextmanager
-    def assertNotRaises(self, exception_type):
+    def assertNotRaises(self, exception_type=Exception):
         try:
             yield None
         except exception_type:
@@ -106,12 +128,7 @@ class Test_VnfdTopic(TestCase):
         return old_desc, new_desc
 
     def prepare_vnfd_creation(self):
-        self.fs.path = ""
-        self.fs.get_params.return_value = {}
-        self.fs.file_exists.return_value = False
-        self.fs.file_open.side_effect = lambda path, mode: open(
-            "/tmp/" + str(uuid4()), "a+b"
-        )
+        setup_mock_fs(self.fs)
         test_vnfd = deepcopy(db_vnfd_content)
         did = db_vnfd_content["_id"]
         self.db.create.return_value = did
@@ -121,6 +138,16 @@ class Test_VnfdTopic(TestCase):
         ]
         return did, test_vnfd
 
+    def prepare_vnfd(self, vnfd_text):
+        setup_mock_fs(self.fs)
+        test_vnfd = yaml.safe_load(vnfd_text)
+        self.db.create.return_value = UUID
+        self.db.get_one.side_effect = [
+            {"_id": UUID, "_admin": admin_value()},
+            None,
+        ]
+        return UUID, test_vnfd
+
     def prepare_test_vnfd(self, test_vnfd):
         del test_vnfd["_id"]
         del test_vnfd["_admin"]
@@ -216,6 +243,26 @@ class Test_VnfdTopic(TestCase):
         self.assertEqual(admin["revision"], 1, "Wrong revision number")
         compare_desc(self, test_vnfd, db_args[2], "VNFD")
 
+    @patch("osm_nbi.descriptor_topics.shutil")
+    @patch("osm_nbi.descriptor_topics.os.rename")
+    def test_new_vnfd_exploit(self, mock_rename, mock_shutil):
+        id, test_vnfd = self.prepare_vnfd(vnfd_exploit_text)
+
+        with self.assertRaises(EngineException):
+            self.topic.upload_content(
+                fake_session, id, test_vnfd, {}, {"Content-Type": []}
+            )
+
+    @patch("osm_nbi.descriptor_topics.shutil")
+    @patch("osm_nbi.descriptor_topics.os.rename")
+    def test_new_vnfd_valid_helm_chart(self, mock_rename, mock_shutil):
+        id, test_vnfd = self.prepare_vnfd(vnfd_exploit_fixed_text)
+
+        with self.assertNotRaises():
+            self.topic.upload_content(
+                fake_session, id, test_vnfd, {}, {"Content-Type": []}
+            )
+
     @patch("osm_nbi.descriptor_topics.shutil")
     @patch("osm_nbi.descriptor_topics.os.rename")
     def test_new_vnfd_check_pyangbind_validation_additional_properties(
@@ -1443,8 +1490,8 @@ class Test_NsdTopic(TestCase):
         did = db_nsd_content["_id"]
         self.fs.get_params.return_value = {}
         self.fs.file_exists.return_value = False
-        self.fs.file_open.side_effect = lambda path, mode: open(
-            "/tmp/" + str(uuid4()), "a+b"
+        self.fs.file_open.side_effect = lambda path, mode: tempfile.TemporaryFile(
+            mode="a+b"
         )
         self.db.get_one.side_effect = [
             {"_id": did, "_admin": deepcopy(db_nsd_content["_admin"])},