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# Xtesting in a nutshell
Xtesting is a simple framework to assemble sparse test cases and to accelerate
the adoption of continuous integration best practices. By managing all
the interactions with the components (test scheduler, test results database,
artifact repository), it allows the developer to work only on the test suites
without diving into CI/CD.
It asks for a few low constraints
[quickly achievable](https://www.sdxcentral.com/articles/news/opnfvs-6th-release-brings-testing-capabilities-that-orange-is-already-using/2018/05/)
to verify multiple components in the same CI/CD toolchain. Even more, it brings
the capability to run third-party test cases in our CI toolchains and then to
also rate network functions by the coverage.
Please see
[the Katacoda scenarios](https://www.katacoda.com/ollivier/courses/xtestingci)
to try Xtesting. You will love them!
## [Write your own Xtesting driver](https://www.katacoda.com/ollivier/courses/xtestingci/firstdriver)
### dump all the following files in an empty dir
weather.py
```python
#!/usr/bin/env python
# pylint: disable=missing-docstring
import json
import os
import sys
import time
import requests
from xtesting.core import testcase
class Weather(testcase.TestCase):
url = "https://samples.openweathermap.org/data/2.5/weather"
city_name = "London,uk"
app_key = "439d4b804bc8187953eb36d2a8c26a02"
def run(self, **kwargs):
try:
self.start_time = time.time()
req = requests.get("{}?q={}&&appid={}".format(
self.url, self.city_name, self.app_key))
req.raise_for_status()
data = req.json()
os.makedirs(self.res_dir, exist_ok=True)
with open('{}/dump.txt'.format(self.res_dir), 'w+') as report:
json.dump(data, report, indent=4, sort_keys=True)
for key in kwargs:
if data["main"][key] > kwargs[key]:
self.result = self.result + 100/len(kwargs)
self.stop_time = time.time()
except Exception: # pylint: disable=broad-except
print("Unexpected error:", sys.exc_info()[0])
self.result = 0
self.stop_time = time.time()
```
setup.py
```python
#!/usr/bin/env python
# pylint: disable=missing-docstring
import setuptools
setuptools.setup(
setup_requires=['pbr>=2.0.0'],
pbr=True)
```
setup.cfg
```
[metadata]
name = weather
version = 1
[files]
packages = .
[entry_points]
xtesting.testcase =
weather = weather:Weather
```
requirements.txt
```
xtesting
requests!=2.20.0,!=2.24.0 # Apache-2.0
```
testcases.yaml
```yaml
---
tiers:
-
name: simple
order: 0
description: ''
testcases:
-
case_name: humidity
project_name: weather
criteria: 100
blocking: true
clean_flag: false
description: ''
run:
name: weather
args:
humidity: 80
-
case_name: pressure
project_name: weather
criteria: 100
blocking: true
clean_flag: false
description: ''
run:
name: weather
args:
pressure: 1000
-
case_name: temp
project_name: weather
criteria: 100
blocking: true
clean_flag: false
description: ''
run:
name: weather
args:
temp: 280
-
name: combined
order: 1
description: ''
testcases:
-
case_name: half
project_name: weather
criteria: 50
blocking: true
clean_flag: false
description: ''
run:
name: weather
args:
humidity: 90
pressure: 1000
temp: 280
```
Dockerfile
```
FROM alpine:3.12
ADD . /src/
RUN apk --no-cache add --update python3 py3-pip py3-wheel git && \
git init /src && pip3 install /src
COPY testcases.yaml /usr/lib/python3.8/site-packages/xtesting/ci/testcases.yaml
CMD ["run_tests", "-t", "all"]
```
site.yml
```yaml
---
- hosts:
- 127.0.0.1
roles:
- role: collivier.xtesting
project: weather
registry_deploy: true
repo: 127.0.0.1
dport: 5000
suites:
- container: weather
tests:
- humidity
- pressure
- temp
- half
```
### make world
Deploy your own Xtesting toolchain
```bash
virtualenv xtesting -p python3 --system-site-packages
. xtesting/bin/activate
pip install ansible
ansible-galaxy install collivier.xtesting
ansible-galaxy collection install ansible.posix community.general community.grafana \
community.kubernetes community.docker community.postgresql
ansible-playbook site.yml
deactivate
rm -r xtesting
```
Build your container
```bash
sudo docker build -t 127.0.0.1:5000/weather .
```
Publish your container on your local registry
```bash
sudo docker push 127.0.0.1:5000/weather
```
### That's all folks!
|
