Overhave - web-framework for BDD
Project description
Features
Ready web-interface for easy BDD features management with Ace editor
Traditional Gherkin format for scenarios provided by pytest-bdd
Execution and reporting of BDD features based on PyTest and Allure
Auto-collection of pytest-bdd steps and display on the web-interface
Simple business-alike scenarios structure, easy horizontal scaling
Built-in wrappers for pytest-bdd hooks to supplement Allure report
Ability to create and use several BDD keywords dictionary with different languages
Versioning and deployment of scenario drafts to Bitbucket
Built-in configurable management of users and groups permissions
Configurable strategy for user authorization, LDAP also provided
Database schema based on SQLAlchemy models and works with PostgreSQL
Still configurable as Flask Admin, supports plug-ins and extensions
Distributed producer-consumer architecture based on Redis streams through Walrus (partially integrated)
Web-browser emulation ability with custom toolkit (GoTTY, for example)
Simple command-line interface, provided with Click
Installation
You can install Overhave via pip from PyPI:
pip install overhave
Overview
Web-interface
The web-interface is a basic tool for BDD features management. It consists of:
Info - index page with optional information about your tool or project;
- Scenarios - section for features management, contains subsections
Features, Test runs and Versions:
- Features
gives an interface for features records management and provides info about id, name author, time, editor and publishing status; it is possible to search, edit or delete items through interface;
- Test runs
gives an interface for test runs management and provides info about
- Versions
contains feature versions for corresponding to test runs.
- Access - section for access management, contains Users and
Groups subsections;
- Emulation - experimental section for alternative tools implementation
(in developing).
Overhave features could be created and/or edited through special script panel in feature edit mode. Feature should have type registered by the application, unique name, specified tasks list with the traditional format `PRJ-NUMBER` and scenario text.
Script panel has pytest-bdd steps table on the right side of interface. These steps should be defined in appropriate fixture modules and registered at the application on start-up to be displayed.
Allure report
Overhave generates Allure report after tests execution in web-interface. If you execute tests manually through PyTest, these results are could be converted into the Allure report also with the Allure CLI tool. This report contains scenarios descriptions as they are described in features.
Command-line interface
Overhave has a CLI that provides a simple way to start service web-interface, run consumer and execute basic database operations. Examples are below:
overhave db create-all
overhave admin --port 8080
overhave consumer -s EMULATION
Note: service start-up takes a set of settings, so you can set them through virtual environment with prefix `OVERHAVE_`, for example `OVERHAVE_DB_URL`. If you want to configure settings in more explicit way through context injection, please see next part of docs.
Context injection
Context setting
Service could be configured via application context injection with prepared instance of OverhaveContext object. This context could be set using `set_context` function of initialized `ProxyFactory` instance.
For example, `my_custom_context` prepared. So, application start-up could be realised with follow code:
from overhave import overhave_app, overhave_factory
factory = overhave_factory()
factory.set_context(my_custom_context)
overhave_app(factory).run(host='localhost', port=8080, debug=True)
Note:
- `overhave_app` is the prepared Flask application with already enabled
Flask Admin and Login Manager plug-ins;
- `overhave_factory` is a function for LRU cached instance of the Overhave
factory `ProxyFactory`; the instance has an access to application components, directly used in `overhave_app`.
- `my_custom_context` is an example of context configuration, see an
example code in context_example.rst.
Import context in PyTest
Overhave has it’s own built-in PyTest plugin, which is used to enable and configure injection of prepared context into application core instance. The plugin provides two options:
–enable-injection - flag to enable context injection;
–ctx-module - option specifying path to Python module with context injection.
The module with context injection should contain usage of `set_context` function, but this module should be unique and created only for PyTest usage instead of web-interface start-up.
For example, `module_with_injection.py` module contains:
from overhave import overhave_factory
overhave_factory().set_context(my_custom_context)
And PyTest usage should be similar to:
pytest --enable-injection --ctx-module=module_with_injection
Specified module will be imported before tests start-up (with `pytest_configure` PyTest hook).
Features structure
Overhave supports it’s own special structure of features storage:
Base features directory could contain different feature types as separate directories, each of them corresponds to predefined pytest-bdd set of steps. It is possible to create your own horizontal structure of different product directions with unique steps and PyTest fixtures.
Note: this structure is used in Overhave application. The formed data gives a possibility to specify registered feature type in the web-interface script panel. Also, this structure defines which steps will be displayed in the rigth side of script panel.
Feature format
Overhave has it’s own special feature’s text format, which inherits Gherkin from pytest-bdd with small updates:
- required tag that is related to existing feature type directory, where
current feature is located;
info about feature - who is creator, last editor and publisher;
task tracker’s tickets with traditional format `PRJ-NUMBER`.
An example of filled feature content is located in feature_example.rst.
Language
The web-interface language is ENG by default and could not be switched (if it’s necessary - please, create a `feature request` or contribute yourself).
The feature text as well as pytest-bdd BDD keywords are configurable with Overhave extra models, for example RUS keywords are already defined in framework and available for usage:
from overhave.extra import RUSSIAN_PREFIXES, RUSSIAN_TRANSLIT_PACK
language_settings = OverhaveLanguageSettings(
step_prefixes=RUSSIAN_PREFIXES,
translit_pack=RUSSIAN_TRANSLIT_PACK
)
Note: you could create your own prefix-value mapping for your language:
from overhave import StepPrefixesModel
GERMAN_PREFIXES = StepPrefixesModel(
FEATURE="Merkmal:",
SCENARIO_OUTLINE="Szenarioübersicht:",
SCENARIO="Szenario:",
BACKGROUND="Hintergrund:",
EXAMPLES="Beispiele:",
EXAMPLES_VERTICAL="Beispiele: Vertikal",
GIVEN="Gegeben ",
WHEN="Wann ",
THEN="Dann ",
AND="Und ",
BUT="Aber ",
)
Custom index
Overhave gives an ability to set custom index.html file for rendering. Path to file could be set through environment as well as set with context:
admin_settings = OverhaveAdminSettings(
index_template_path="/path/to/index.html"
)
Contributing
Contributions are very welcome.
Preparation
Project installation is very easy and takes just few prepared commands (make pre-init works only for Ubuntu; so you can install same packages for your OS manually):
make pre-init
make init
Packages management is provided by Poetry.
Check
Tests can be run with Tox. Docker-compose is used for other services preparation and serving, such as database. Simple tests and linters execution:
docker-compose up -d db
make test
make lint
Please, see make file and discover useful shortcuts. You could run tests in docker container also:
make test-docker
Documentation build
Project documentation could be built via Sphinx and simple make command:
make build-docs
By default, the documentation will be built using html builder into _build directory.
License
Distributed under the terms of the GNU GPLv2 license.
Issues
If you encounter any problems, please report them here in section Issues with a detailed description.
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