Brian Bjarke JensenandCursor
dc6f8a3e89
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Introduce PostgresAdapter for dict-based row CRUD via psycopg3, including config, lazy exports, unit/integration tests with testcontainers, and an example UserTableRepository. Co-authored-by: Cursor <[email protected]>
70 lines
2.4 KiB
Python
70 lines
2.4 KiB
Python
"""Unit tests for PostgresConfig."""
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from __future__ import annotations
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import pytest
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from python_repositories.config import PostgresConfig
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def _set_required_postgres_env(monkeypatch: pytest.MonkeyPatch) -> None:
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monkeypatch.setenv("POSTGRES_URI", "postgresql://localhost/mydb")
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monkeypatch.setenv("POSTGRES_TABLE", "users")
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def test_from_env_loads_all_fields(monkeypatch: pytest.MonkeyPatch) -> None:
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_set_required_postgres_env(monkeypatch)
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config = PostgresConfig.from_env(use_dotenv=False)
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assert config.uri == "postgresql://localhost/mydb"
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assert config.table == "users"
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assert config.primary_key == "id"
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def test_from_env_reads_primary_key_from_env(
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monkeypatch: pytest.MonkeyPatch,
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) -> None:
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_set_required_postgres_env(monkeypatch)
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monkeypatch.setenv("POSTGRES_PRIMARY_KEY", "user_id")
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config = PostgresConfig.from_env(use_dotenv=False)
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assert config.primary_key == "user_id"
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def test_from_env_defaults_primary_key_to_id_when_unset(
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monkeypatch: pytest.MonkeyPatch,
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) -> None:
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_set_required_postgres_env(monkeypatch)
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monkeypatch.delenv("POSTGRES_PRIMARY_KEY", raising=False)
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config = PostgresConfig.from_env(use_dotenv=False)
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assert config.primary_key == "id"
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def test_from_env_raises_when_uri_missing(monkeypatch: pytest.MonkeyPatch) -> None:
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monkeypatch.delenv("POSTGRES_URI", raising=False)
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monkeypatch.setenv("POSTGRES_TABLE", "users")
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with pytest.raises(Exception):
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PostgresConfig.from_env(use_dotenv=False)
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def test_from_env_raises_when_table_missing(monkeypatch: pytest.MonkeyPatch) -> None:
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monkeypatch.setenv("POSTGRES_URI", "postgresql://localhost/mydb")
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monkeypatch.delenv("POSTGRES_TABLE", raising=False)
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with pytest.raises(Exception):
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PostgresConfig.from_env(use_dotenv=False)
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def test_from_env_respects_custom_env_var_names(
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monkeypatch: pytest.MonkeyPatch,
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) -> None:
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monkeypatch.setenv("CUSTOM_POSTGRES_URI", "postgresql://custom/mydb")
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monkeypatch.setenv("CUSTOM_POSTGRES_TABLE", "items")
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monkeypatch.setenv("CUSTOM_POSTGRES_PRIMARY_KEY", "item_id")
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config = PostgresConfig.from_env(
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"CUSTOM_POSTGRES_URI",
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"CUSTOM_POSTGRES_TABLE",
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"CUSTOM_POSTGRES_PRIMARY_KEY",
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use_dotenv=False,
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)
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assert config.uri == "postgresql://custom/mydb"
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assert config.table == "items"
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assert config.primary_key == "item_id"
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