[VVP] Improved message on test_base_template_name

Change-Id: I5974ed3b8ff6e20ab747b3e96af37f84a133ecbb
Issue-ID: VVP-141
Signed-off-by: Lovett, Trevor <trevor.lovett@att.com>

3 files changed, 134 insertions, 15 deletions

diff --git a/ice_validator/tests/fixtures/test_base_template_names/fail/multiple_bases/base_well_named.yaml b/ice_validator/tests/fixtures/test_base_template_names/fail/multiple_bases/base_well_named.yaml
new file mode 100644
index 0000000..ac42973
--- /dev/null
+++ b/ice_validator/tests/fixtures/test_base_template_names/fail/multiple_bases/base_well_named.yaml
@@ -0,0 +1,56 @@
+# -*- coding: utf8 -*-
+# ============LICENSE_START=======================================================
+# org.onap.vvp/validation-scripts
+# ===================================================================
+# Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+# ===================================================================
+#
+# Unless otherwise specified, all software contained herein is licensed
+# under the Apache License, Version 2.0 (the "License");
+# you may not use this software except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#             http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+#
+#
+# Unless otherwise specified, all documentation contained herein is licensed
+# under the Creative Commons License, Attribution 4.0 Intl. (the "License");
+# you may not use this documentation except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#             https://creativecommons.org/licenses/by/4.0/
+#
+# Unless required by applicable law or agreed to in writing, documentation
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# ============LICENSE_END============================================
+#
+#
+---
+description:
+    base
+parameters:
+    vm_type_volume_name_0:
+        type: string
+    vm_type_volume_size_0:
+        type: number
+
+resources:
+    server_0:
+        type: OS::Nova::Server
+        properties:
+            name: {get_param: server_name_0}
+
+outputs:
+    vm_type_volume_id_0:
+        value: {get_resource: vm_type_volume_0}
diff --git a/ice_validator/tests/fixtures/test_base_template_names/fail/multiple_bases/well_base_named.yaml b/ice_validator/tests/fixtures/test_base_template_names/fail/multiple_bases/well_base_named.yaml
new file mode 100644
index 0000000..ac42973
--- /dev/null
+++ b/ice_validator/tests/fixtures/test_base_template_names/fail/multiple_bases/well_base_named.yaml
@@ -0,0 +1,56 @@
+# -*- coding: utf8 -*-
+# ============LICENSE_START=======================================================
+# org.onap.vvp/validation-scripts
+# ===================================================================
+# Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+# ===================================================================
+#
+# Unless otherwise specified, all software contained herein is licensed
+# under the Apache License, Version 2.0 (the "License");
+# you may not use this software except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#             http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+#
+#
+# Unless otherwise specified, all documentation contained herein is licensed
+# under the Creative Commons License, Attribution 4.0 Intl. (the "License");
+# you may not use this documentation except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#             https://creativecommons.org/licenses/by/4.0/
+#
+# Unless required by applicable law or agreed to in writing, documentation
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# ============LICENSE_END============================================
+#
+#
+---
+description:
+    base
+parameters:
+    vm_type_volume_name_0:
+        type: string
+    vm_type_volume_size_0:
+        type: number
+
+resources:
+    server_0:
+        type: OS::Nova::Server
+        properties:
+            name: {get_param: server_name_0}
+
+outputs:
+    vm_type_volume_id_0:
+        value: {get_resource: vm_type_volume_0}
diff --git a/ice_validator/tests/test_base_template_names.py b/ice_validator/tests/test_base_template_names.py
index 3553a10..9bbf165 100644
--- a/ice_validator/tests/test_base_template_names.py
+++ b/ice_validator/tests/test_base_template_names.py
@@ -2,7 +2,7 @@
 # ============LICENSE_START====================================================
 # org.onap.vvp/validation-scripts
 # ===================================================================
-# Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+# Copyright © 2019 AT&T Intellectual Property. All rights reserved.
 # ===================================================================
 #
 # Unless otherwise specified, all software contained herein is licensed
@@ -37,9 +37,6 @@
 #
 #
 
-"""base template names
-"""
-
 from os import listdir
 from os import path
 import re
@@ -47,9 +44,7 @@ import re
 from .helpers import check_basename_ending
 from .helpers import validates
 
-VERSION = "1.2.0"
 
-# is 'base', starts with 'base_', contains '_base_', ends with '_base'
 RE_BASE = re.compile(r"(^base$)|(^base_)|(_base_)|(_base$)")
 
 
@@ -58,23 +53,35 @@ def test_base_template_names(template_dir):
     """
     Check all base templates have a filename that includes "_base_".
     """
-    base_template_count = 0
     filenames = [
         f
         for f in listdir(template_dir)
         if path.isfile(path.join(template_dir, f))
         and path.splitext(f)[-1] in [".yaml", ".yml"]
     ]
+
+    base_modules = []
     for filename in filenames:
-        filename = path.splitext(filename)[0]
+        basename = path.splitext(filename)[0]
 
         # volume templates are tied to their parent naming wise
-        if check_basename_ending("volume", filename):
+        if check_basename_ending("volume", basename):
             continue
 
-        if RE_BASE.search(filename.lower()):
-            base_template_count += 1
-    assert base_template_count == 1, 'must be 1 "*_base_*" in %s not %d' % (
-        filenames,
-        base_template_count,
-    )
+        if RE_BASE.search(basename.lower()):
+            base_modules.append(filename)
+
+    if not base_modules:
+        msg = (
+            "No base module detected in the following files "
+            "from the template directory: {}"
+        ).format(", ".join(filenames))
+    elif len(base_modules) > 1:
+        msg = (
+            "Multiple base modules detected in the template "
+            "directory, but only one is allowed: {}"
+        ).format(", ".join(base_modules))
+    else:
+        msg = ""
+
+    assert len(base_modules) == 1, msg