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# -*- coding: utf8 -*-
# ============LICENSE_START====================================================
# org.onap.vvp/validation-scripts
# ===================================================================
# Copyright © 2019 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============================================
#
import csv
import json
import os
import subprocess
import sys
import pytest
from update_reqs import get_requirements
THIS_DIR = os.path.dirname(os.path.abspath(__file__))
CURRENT_NEEDS_PATH = os.path.join(THIS_DIR, "ice_validator/heat_requirements.json")
class Traceability:
PATH = os.path.join(THIS_DIR, "ice_validator/output/traceability.csv")
TEST_FILE = 6
TEST_NAME = 7
IS_TESTABLE = 5
REQ_ID = 0
def __init__(self):
with open(self.PATH, "r") as f:
rows = csv.reader(f)
next(rows) # skip header
self.mappings = list(rows)
def unmapped_requirement_errors(self):
"""
Returns list of errors where a requirement is testable, but no test was found.
"""
testable_mappings = [m for m in self.mappings if m[self.IS_TESTABLE] == "True"]
return [
f"Missing test for {m[self.REQ_ID]}"
for m in testable_mappings
if not m[self.TEST_NAME]
]
def mapped_non_testable_requirement_errors(self):
"""
Returns list of errors where the requirement isn't testable, but a test was
found.
"""
non_testables = [m for m in self.mappings if m[self.IS_TESTABLE] == "False"]
return [
(
f"No test for {m[0]} is needed, but found: "
f"{m[self.TEST_FILE]}::{m[self.TEST_NAME]} "
)
for m in non_testables
if m[self.TEST_NAME]
]
def current_version(needs):
"""Extracts and returns the needs under the current version"""
return needs["versions"][needs["current_version"]]["needs"]
def in_scope(_, req_metadata):
"""
Checks if requirement is relevant to VVP.
:param: _: not used
:param req_metadata: needs metadata about the requirement
:return: True if the requirement is a testable, Heat requirement
"""
return (
"Heat" in req_metadata.get("docname", "")
and "MUST" in req_metadata.get("keyword", "").upper()
and req_metadata.get("validation_mode", "").lower() != "none"
)
def select_items(predicate, source_dict):
"""
Creates a new dict from the source dict where the items match the given predicate
:param predicate: predicate function that must accept a two arguments (key & value)
:param source_dict: input dictionary to select from
:return: filtered dict
"""
return {k: v for k, v in source_dict.items() if predicate(k, v)}
def check_requirements_up_to_date():
"""
Checks if the requirements file packaged with VVP has meaningful differences
to the requirements file published from VNFRQTS.
:return: list of errors found
"""
msg = ["heat_requirements.json is out-of-date. Run update_reqs.py to update."]
latest_needs = json.load(get_requirements())
with open(CURRENT_NEEDS_PATH, "r") as f:
current_needs = json.load(f)
latest_reqs = select_items(in_scope, current_version(latest_needs))
current_reqs = select_items(in_scope, current_version(current_needs))
if set(latest_reqs.keys()) != set(current_reqs.keys()):
return msg
if not all(
latest["description"] == current_reqs[r_id]["description"]
for r_id, latest in latest_reqs.items()
):
return msg
return None
def check_self_test_pass():
"""
Run pytest self-test and ensure it passes
:return:
"""
original_dir = os.getcwd()
try:
os.chdir(os.path.join(THIS_DIR, "ice_validator"))
if pytest.main(["tests", "--self-test"]) != 0:
return ["VVP self-test failed. Run pytest --self-test and fix errors."]
finally:
os.chdir(original_dir)
def check_testable_requirements_are_mapped():
tracing = Traceability()
return tracing.unmapped_requirement_errors()
def check_non_testable_requirements_are_not_mapped():
tracing = Traceability()
return tracing.mapped_non_testable_requirement_errors()
def check_flake8_passes():
result = subprocess.run(["flake8", "."], encoding="utf-8",
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
msgs = result.stdout.split("\n") if result.returncode != 0 else []
return ["flake8 errors detected:"] + [f" {e}" for e in msgs] if msgs else []
if __name__ == "__main__":
checks = [
check_self_test_pass,
check_requirements_up_to_date,
check_testable_requirements_are_mapped,
check_non_testable_requirements_are_not_mapped,
check_flake8_passes,
]
results = [check() for check in checks]
errors = "\n".join("\n".join(msg) for msg in results if msg)
print(errors or "Everything looks good!")
sys.exit(1 if errors else 0)
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