Meaning
Imports the `given` decorator and the `strategies` module (aliased as `st`) from the `hypothesis` library for property‑based testing.
Primary Function
Provides the core hypothesis testing utilities needed to write `@given`‑based tests and to build strategies.
Communicative Purpose
Signals the intention to write property‑based tests using hypothesis and makes strategy builders conveniently available.
Pattern
from hypothesis import given, strategies as st
Core Structure
from hypothesis import given, strategies as st
Função primária
Provides the core hypothesis testing utilities needed to write `@given`‑based tests and to build strategies.
Propósito comunicativo
Signals the intention to write property‑based tests using hypothesis and makes strategy builders conveniently available.
Situações de gatilho
When writing property‑based tests with hypothesis, when needing strategy builders or the `@given` decorator.
Contextos
Test modules using hypothesis (often with pytest or unittest) for data‑driven property‑based testing.
Padrão
from hypothesis import given, strategies as st
Estrutura central
from hypothesis import given, strategies as st
Slots de substituição
`given` can be swapped for other hypothesis imports (e.g., `settings`, `example`); `strategies` can be imported under a different alias or as other hypothesis submodules.
Colocados típicos
- hypothesis
- given
- strategies
- st
- @given
- @example
- settings
Substituições comuns
- from hypothesis import given
- settings
- from hypothesis import given
- example
- from hypothesis import strategies as strat
Erros comuns
forgetting to import strategies, using an incorrect alias, confusing hypothesis with unittest.mock, omitting the `@given` decorator.
Similar / contraste
import pytest; import unittest; from hypothesis import given, settings; from hypothesis import given, example
Interferências
May be confused with unittest.mock or other testing libraries; ensure hypothesis is installed and imported correctly.
Família do chunk
- hypothesis-imports
Nuance
Aliasing `strategies` as `st` lets you concisely build strategies like `st.integers()` while keeping the import short.
Efeito pragmático
Signals that the test module uses hypothesis‑based property‑based testing and signals intent to generate test data automatically.
Dica de memória
hypothesis given strategies as st
Nota
Typical import pattern for hypothesis‑based property‑based tests; often paired with the `@given` decorator.
Upgrade path
Consider importing `hypothesis.settings` or `hypothesis.example` for more advanced configuration.
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