Pre-release
This release is a pre-release and may not be stable for production use.
Guará
Guará is a Python framework for business logic expression. It allows you to write production code and tests as executable domain language, combining:
- Business Logic Language → expresses domain behavior using Ubiquitous Language (DDD)
- Test Framework → orchestrates scenarios using Given / When / Then
Instead of focusing only on technical assertions, Guará enables you to describe business scenarios as code, making production code and tests readable by developers and domain experts.
Core Idea
Guará turns code into business narratives:
- Transactions → represent actions (use cases)
- Assertions (
it) → represent business expectations - Application DSL → orchestrates flows in domain language
Syntax
Application.when(DoSomething [,with_parameter=value, ...]).expects(it.Matches, a_condition)
Example in Action
Modeling
from guara.application import Application
from guara import it
from transactions import HasBalance, BuyAsset, UpdatePortfolio
def main():
finance_app = Application()
(
finance_app.given(HasBalance)
.when(BuyAsset, symbol="AAPL", amount=2000)
.and_(UpdatePortfolio)
.expects(it.IsEqualTo, 20)
)
UI Testing
from guara.application import Application
from guara import it
from selenium import webdriver
from transactions import OpenApp, ChangeToPortuguese, NavigateToInfoPage, CloseApp
def test_sample_web_page():
app = Application(webdriver.Chrome())
app.given(OpenApp, url="https://anyhost.com/")
app.when(ChangeToPortuguese).expects(it.IsEqualTo, CONTENT_IN_PORTUGUESE)
app.when(NavigateToInfoPage).then(it.Contains, "This project was born")
app.execute(CloseApp)
Documentation
For more information, check: https://guara.readthedocs.io/en/latest/
1 maintainer
Metadata
1 maintainer
Release files for guara 0.0.26rc2
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Source distribution (sdist)
| File | Size | Uploaded | |
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| guara-0.0.26rc2.tar.gz | 921.2 kB | Details |
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| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| guara-0.0.26rc2-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 945.3 kB
Release files / guara-0.0.26rc2.tar.gz
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