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Krzysztof kuhy Rudnicki
a9535f52e4
The scrub before this one caught the truncated spelling in the document and missed the one in the test, which held the first half of a real Signal uuid and the account name beside it. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_017w1HZ3cZ7neL3rFdQ6VMBA
79 lines
2.8 KiB
Python
79 lines
2.8 KiB
Python
# Copyright (c) 2026 Krzysztof Rudnicki. MIT licence.
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"""Describing a frame's shape without logging what anybody wrote."""
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from __future__ import annotations
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import json
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from signal_bot.envelope_shape import shape_of
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from tests.conftest import WATCHED_GROUP, envelope
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PRIVATE_BODY = "the actual message body"
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def test_values_are_replaced_by_their_types() -> None:
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"""The whole point: a log line that cannot leak a message."""
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shape = shape_of(envelope(text=PRIVATE_BODY))
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assert PRIVATE_BODY not in shape
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assert "message: str" in shape
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def test_names_numbers_and_uuids_do_not_survive() -> None:
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shape = shape_of(envelope(text="hi", sender=("b1c2d3e4-0000", "somebody")))
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assert "b1c2d3e4" not in shape
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assert "kuhy" not in shape
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assert "+15555550123" not in shape
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def test_quoted_text_does_not_survive() -> None:
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shape = shape_of(envelope(text="hi", extra="quote"))
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assert "..." not in shape
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assert "quote: {author: str, id: int, text: str}" in shape
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def test_the_group_id_is_a_type_but_its_kind_is_a_value() -> None:
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"""DELIVER vs UPDATE is wire format; the id identifies a conversation."""
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shape = shape_of(envelope(text="hi"))
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assert WATCHED_GROUP not in shape
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assert "groupId: str" in shape
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assert "type: 'DELIVER'" in shape
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def test_attachment_content_types_are_kept() -> None:
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"""The one thing this exists to answer, so it must survive redaction."""
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shape = shape_of(envelope(text=None, attachments=("image/jpeg", "video/mp4")))
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assert "contentType: 'image/jpeg'" in shape
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assert "x2]" in shape
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def test_an_album_is_summarised_not_repeated() -> None:
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shape = shape_of(envelope(text=None, attachments=("image/jpeg",) * 20))
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assert "x20]" in shape
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assert shape.count("contentType") == 1
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def test_an_empty_list_is_shown_as_empty() -> None:
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assert shape_of(json.dumps({"envelope": {"members": []}})) == "{envelope: {members: []}}"
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def test_null_is_distinguished_from_absent() -> None:
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"""A caption-less photo may send message: null rather than omitting it."""
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assert "message: null" in shape_of(json.dumps({"envelope": {"message": None}}))
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def test_numbers_and_booleans_show_their_type() -> None:
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frame = json.dumps({"envelope": {"timestamp": 1, "urgent": True, "score": 1.5}})
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assert shape_of(frame) == "{envelope: {score: float, timestamp: int, urgent: bool}}"
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def test_an_unparseable_frame_says_so() -> None:
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assert shape_of("not json") == "<unparseable>"
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assert shape_of(b"\xff\xfe") == "<unparseable>"
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def test_keys_are_sorted_so_two_frames_compare() -> None:
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"""Same shape, different key order, identical description."""
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first = json.dumps({"envelope": {"b": 1, "a": "x"}})
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second = json.dumps({"envelope": {"a": "x", "b": 1}})
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assert shape_of(first) == shape_of(second)
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