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synced 2024-12-24 03:21:40 +03:00
Add README explaining integration tests.
This commit is contained in:
jcamiel
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@ -67,9 +67,7 @@ by the tests suite:
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```shell
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$ python3 -m venv .venv
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$ source .venv/bin/activate
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$ PATH=/tmp/hurl-python3-venv/bin:${PATH}
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$ export PATH
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$ pip install --break-system-packages --requirement bin/requirements-frozen.txt
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$ pip install --requirement bin/requirements-frozen.txt
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```
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Then, you can launch our local server (used to test Hurl features):
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@ -86,7 +84,7 @@ $ jobs
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[3] + running echo "${squid_conf}" | squid -d 2 -N -f /dev/stdin > proxy.log 2>&1
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```
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You can check [`bin/test/test_prerequisites.sh`] and [`bin/test/test_prerequisites.ps1`] for more details.
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You can check [the integration `README`] for more details
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Now, you can follow these steps when you make changes:
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@ -104,8 +102,7 @@ Et voilà 🎉!
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[More would be better!]: https://hurl.dev/docs/installation.html
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[Documentation]: https://hurl.dev
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[Hurl build documentation]: https://hurl.dev/docs/installation.html#building-from-sources
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[`bin/test/test_prerequisites.sh`]: /bin/test/test_prerequisites.sh
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[`bin/test/test_prerequisites.ps1`]: /bin/test/test_prerequisites.ps1
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[integration `README`]: integration/README.md
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[virtual environment]: https://docs.python.org/3/tutorial/venv.html
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[Hurl core values]: #hurl-core-values
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[a test suite]: https://github.com/Orange-OpenSource/hurl/actions
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@ -16,5 +16,4 @@ cd integration
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./integration.py
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./test_curl_commands.sh
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./test_html_output.py tests_ok/*.html tests_failed/*.html
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#./report.py TODO: review test report
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192
integration/README.md
Normal file
192
integration/README.md
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@ -0,0 +1,192 @@
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# Hurl Integration Tests Suite
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## Introduction
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In the Hurl project, there are three type of tests:
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- Rust unit tests: run at the root of the project with `cargo test --lib`
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- Rust integration tests: run at the root of the project with `cargo test`. You will also run unit test with this command.
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To run Rust integration tests, you need to launch a local test server (see below).
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These tests are "classic" Rust tests and should not surprise a Rust developer.
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Along with tests, we have an extensive integration test suite. These tests launch scripts to run `hurl` and
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`hurlfmt` and test various options and Hurl files. To run these tests you have to set up a local server (see below)
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All these tests will be performed automatically in Hurl CI/CD, on various OS, for every pull request.
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## Set up Test Local Server
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### Python 3.9+
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The local test server is a Flask application, so you will need Python 3.9+ on your machine. You can create a Python
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virtual environment and install required dependencies:
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```shell
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$ python3 -m venv .venv
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$ source .venv/bin/activate
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$ pip install --requirements bin/requirements-fozen.txt
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```
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### Proxy
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Some integration tests need a proxy. You can use [mitmproxy] or [squid].
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### Start local server
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You can use the scripts [`bin/test/test_prerequites.sh`] / [`bin/test/test_prerequites.ps1`] depending on your OS to start the
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local test server and proxy. Once launch, there is:
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- a Flask server instance listening on <http://localhost:8000>
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- a Flask server instance listening on <https://localhost:8001>
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- a Flask server instance listening on <https://localhost:8002>
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- a HTTP proxy listening on <http://localhost:8888>
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Now, everything is ready to run the integration tests!
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## Integration Tests
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### Organisation
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Integration tests are under `integration` directory :
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- [`tests_ok`]: every test there must be successful (exit code 0). The Hurl files in this folder are formatted with `hurlfmt`.
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- [`tests_ok_not_linted`]: every test here must be successful but are not necessary formatted with `hurlfmt`. This way we can
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ensure that there is no regression even if a Hurl file doesn't follow a stricter format.
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- [`tests_failed`]: every test must fail (exit code different from 0). Tests are syntactically correct, so the error
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raised by the test is a runtime error.
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- [`tests_error_parser`]: every test is not a syntactically correct Hurl file. We test here the parsing error message.
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- [`tests_error_lint`]: every test is syntactically correct, but is not formatted through `hurlfmt`. We test here the linting
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error message.
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### Files Description
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An integration test consists of:
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- two runnable scripts: one for Linux, macOS (`foo.sh`) and one for Windows (`foo.ps1`). These are the
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integration tests that we want to execute.
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- a Hurl file (`foo.hurl`)
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- a Flask endpoint (`foo.py`). This is the server side used by the Hurl file. You can add as many assert as you want
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to test that our Hurl client conforms to what is expected. Generally, each integration test has its own Flask endpoint,
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even if there is some duplication between tests.
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- an expected stdout file (`foo.out`). This file is the expected value for stdout. This file is not dependant from the OS, as we
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want a Hurl file to have the same stdout on any OS. If the stdout have some variant datas (like timestamp for instance), one
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can use a patterned expected file, with `~~~` for wildcard matching (`foo.out.pattern`)
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- an expected stderr file (`foo.err`). This file is the expected value for stderr. This file is not dependant from the OS, as we
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want a Hurl file to have the same stderr on any OS. Like stdout, stderr expected file can be patterned (`foo.err.pattern`)
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- an expected exit code (`foo.exit`). This file is the expected value of the script. If absent, the default exit code is 0.
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- an expected HTML export of the Hurl source file (`foo.html`)
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- an expected JSON export of the Hurl source file (`foo.json`). Note: this is not the stdout output of Hurl using [`--json`]. This
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is a JSON view of the Hurl source file and can serve to convert from/to Hurl format.
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- an expected list of `curl` commands. This list is the curl command equivalent to each request in the Hurl file
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(which is logged in [`--verbose`]/[`--very-verbose`] mode). Each curl command is run against the server.
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To run all integration tests:
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```shell
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$ cd integration
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$ python3 integration.py
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```
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To run a particular integration test without any check:
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```shell
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$ cd integration
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$ tests_ok/hello.sh
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```
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To run a particular integration test with all check (stdout, stderr, HTML/JSON export etc...):
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```shell
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$ cd integration
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$ python3 test_script.py tests_ok/hello.sh
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```
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### Sample
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`include.sh`:
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```shell
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#!/bin/bash
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set -Eeuo pipefail
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hurl tests_ok/include.hurl --include --verbose
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```
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`include.ps1`:
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```powershell
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Set-StrictMode -Version latest
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$ErrorActionPreference = 'Stop'
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hurl tests_ok/include.hurl --include --verbose
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```
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`include.hurl`:
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```hurl
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GET http://localhost:8000/include
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HTTP 200
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`Hello`
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```
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`include.py`:
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```python
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from app import app
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from flask import Response
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@app.route("/include")
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def include():
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return Response("Hello")
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```
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`include.out.pattern`:
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```
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HTTP/1.1 200
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Server: Werkzeug/~~~ Python/~~~
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Date: ~~~
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Content-Type: text/html; charset=utf-8
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Content-Length: 5
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Server: Flask Server
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Connection: close
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Hello
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```
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`include.html`:
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```html
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<pre><code class="language-hurl"><span class="hurl-entry"><span class="request"><span class="line"><span class="method">GET</span> <span class="url">http://localhost:8000/include</span></span>
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</span><span class="response"><span class="line"></span>
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<span class="line"><span class="version">HTTP</span> <span class="number">200</span></span>
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<span class="line"><span class="string">`Hello`</span></span>
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</span></span><span class="line"></span>
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</code></pre>
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```
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`include.json`:
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```json
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{"entries":[{"request":{"method":"GET","url":"http://localhost:8000/include"},"response":{"status":200,"body":{"type":"text","value":"Hello"}}}]}
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```
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`include.curl`:
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```
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curl 'http://localhost:8000/include'
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```
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[mitmproxy]: https://mitmproxy.org
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[squid]: http://www.squid-cache.org
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[`--json`]: /docs/manual.md#json
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[`bin/test/test_prerequites.sh`]: /bin/test/test_prerequisites.sh
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[`bin/test/test_prerequites.ps1`]: /bin/test/test_prerequisites.ps1
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[`tests_ok`]: /integration/tests_ok
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[`tests_ok_not_linted`]: /integration/tests_ok_not_linted
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[`tests_failed`]: /integration/tests_failed
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[`tests_error_parser`]: /integration/tests_error_parser
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[`tests_error_lint`]: /integration/tests_error_lint
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[`--verbose`]: /docs/manual.md#verbose
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[`--very-verbose`]: /docs/manual.md#very-verbose
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@ -1,148 +0,0 @@
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#!/usr/bin/env python3
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# Run Hurl files one by one
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# appending to JSON/XML/HTML reports
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#
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import re
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import sys
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import subprocess
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import os
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import glob
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from lxml import etree
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import shutil
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from typing import List, Dict
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def get_files(glob_expr: str) -> List[str]:
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"""return sorted list of files matching a glob expression
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Arguments:
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glob_expr -- the input file glob expression
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Example:
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get_files("tests_ok/*.hurl")
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"""
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return sorted(
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[
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f.replace("\\", "/")
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for f in glob.glob(glob_expr)
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if not re.match(r".*\.\d+\.hurl$", f)
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]
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)
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def get_options(hurl_file: str) -> List[str]:
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"""return the command-line options for a given Hurl file.
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Arguments:
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hurl_file -- the Hurl file to run
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"""
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options = [
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"--report-html",
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"build/html",
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"--report-junit",
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"build/tests.xml",
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"--json",
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]
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options_file = hurl_file.replace(".hurl", ".options")
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if os.path.exists(options_file):
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for option in open(options_file, encoding="utf-8").read().strip().split("\n"):
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if option != "--json":
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options.append(option)
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return options
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def get_env(hurl_file: str) -> Dict[str, str]:
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"""return the env for a given Hurl file.
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Arguments:
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hurl_file -- the Hurl file to run
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"""
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env = os.environ.copy()
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profile_file = hurl_file.replace(".hurl", ".profile")
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if os.path.exists(profile_file):
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for line in open(profile_file, encoding="utf-8").readlines():
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line = line.strip()
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if line == "":
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continue
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index = line.index("=")
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name = line[:index]
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value = line[(index + 1) :]
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env[name] = value
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return env
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def exec_hurl(hurl_file: str):
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"""exec a Hurl file returning the CompletedProcess
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https://docs.python.org/3/library/subprocess.html#subprocess.CompletedProcess
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Arguments:
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hurl_file -- the Hurl file to run
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"""
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cmd = ["hurl", hurl_file] + get_options(hurl_file)
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print(" ".join(cmd))
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result = subprocess.run(
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cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, env=get_env(hurl_file)
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)
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return result
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def exec_hurl_files():
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"""exec hurl files returning the count of files executed
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throw Exception in case of unexpected exit code
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"""
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count = 0
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json_output_file = open("build/tests.json", "w")
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for hurl_file in get_files("tests_ok/*.hurl"):
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result = exec_hurl(hurl_file)
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if result.returncode != 0:
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raise Exception("unexpected exit code %d" % result.returncode)
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json_output = result.stdout.decode("utf-8")
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count += len(json_output.splitlines())
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json_output_file.write(json_output)
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for hurl_file in get_files("tests_failed/*.hurl"):
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result = exec_hurl(hurl_file)
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if result.returncode != 0 and result.returncode != 3 and result.returncode != 4:
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raise Exception("unexpected exit code %d" % result.returncode)
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json_output = result.stdout.decode("utf-8")
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count += len(json_output.splitlines())
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json_output_file.write(json_output)
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json_output_file.close()
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return count
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def check_count(expected_count: int):
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"""checkout number of testscase in JSON/XML report
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throw Exception if it does not atch
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"""
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count_in_json = len(open("build/tests.json").readlines())
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if count_in_json != expected_count:
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raise Exception("count mismatch in JSON report: %d" % count_in_json)
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tree = etree.fromstring(open("build/tests.xml").read().encode("utf-8"))
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count_in_xml = len(tree.xpath("//testcase"))
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if count_in_xml != expected_count:
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raise Exception("count mismatch in XML report: %d" % count_in_xml)
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def main():
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os.makedirs("build", exist_ok=True)
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shutil.rmtree("build/html", ignore_errors=True)
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report_files = ["build/tests.json", "build/tests.xml"]
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for report_file in report_files:
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if os.path.isfile(report_file):
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os.remove(report_file)
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try:
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count = exec_hurl_files()
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print("Total number of tests: %d" % count)
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check_count(count)
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except Exception as e:
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print(e)
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sys.exit(1)
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if __name__ == "__main__":
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main()
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