42 lines
1.8 KiB
Python
42 lines
1.8 KiB
Python
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"""Project-wide pytest fixtures for the IAI-MCP test suite.
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Phase 07.10 (file-based crypto key migration) removed the keyring backend
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from `iai_mcp.crypto.CryptoKey.get_or_create()`. Pre-existing tests that
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exercised the daemon, store, events, recall, and CLI paths relied on the
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keyring auto-fallback to source the encryption key in test environments.
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After Phase 07.10, the runtime path is **file → passphrase env → error**
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with no keyring fallback, so those tests now hit `CryptoKeyError` unless
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either the file or the passphrase is set.
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This module's autouse fixture sets `IAI_MCP_CRYPTO_PASSPHRASE` to a fixed
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test passphrase for every test session, restoring the deterministic
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`derive_key_from_passphrase(...)` path that the test suite expects.
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Production behavior is unaffected — the production daemon never sets
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this env var and instead reads the 32-byte file at `{IAI_MCP_STORE}/.crypto.key`
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written by `iai-mcp crypto migrate-to-file` or `iai-mcp crypto init`.
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The dedicated file-backend tests in `tests/test_crypto_file_backend.py`
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override this fixture per-test by clearing the env var or by writing an
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explicit `.crypto.key` file in their `tmp_path` fixtures.
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"""
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from __future__ import annotations
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import os
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import pytest
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_TEST_PASSPHRASE = "iai-mcp-test-passphrase-2026-04-30-phase-07.10"
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@pytest.fixture(autouse=True)
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def _crypto_passphrase_env(monkeypatch: pytest.MonkeyPatch) -> None:
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"""Set IAI_MCP_CRYPTO_PASSPHRASE for every test unless already set.
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Tests that need to assert the absent-passphrase / missing-key error
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path can still call `monkeypatch.delenv("IAI_MCP_CRYPTO_PASSPHRASE",
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raising=False)` inside the test body to override this default.
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"""
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if "IAI_MCP_CRYPTO_PASSPHRASE" not in os.environ:
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monkeypatch.setenv("IAI_MCP_CRYPTO_PASSPHRASE", _TEST_PASSPHRASE)
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