mirror of
https://github.com/kuhyx/diet-guard.git
synced 2026-11-10 19:27:14 +01:00
Krzysztof kuhy Rudnicki
1e201acbdc
_sync.py 498 -> 165, into siblings that each own one concern:
_sync_client.py picking a backend and building the remote store
_sync_banks.py pull/merge/push for the food bank and the budget
_sync_paths.py the kuhyx/syncs wire layout, shared by both
_sync_errors.py SyncError, so _sync and _sync_client need not import
each other
The patch targets moved with the code they guard, which is the whole risk of
this commit. unittest.mock.patch and monkeypatch.setattr both bind to a
*module object*, so a patch left pointing at _sync after CONFIG_FILE and
SYNC_TOKEN_FILE moved to _sync_client redirects nothing. That is not
hypothetical here: the first run of the suite took 9m18s instead of 7s and
raised 401s, because tests were reaching the real GitHub API with a fake
token. Repointed:
conftest SYNC_TOKEN_FILE, CONFIG_FILE -> _sync_client
test_sync* GitHubSyncClient (30 patch sites) -> _sync_client
test_backend mirror/firebase_client_for -> _sync_client
The repo's own _test_guard caught the same leak independently, which is the
behaviour worth keeping: two guards, both fail-closed.
test_sync.py 482 -> 205, splitting the budget and pull/revision classes into
siblings and the shared fakes into _sync_fakes.py.
conftest.py 284 -> 155, moving the Tk/gatelock fixtures to _gate_fixtures.py.
Importing them back is what registers them (pytest_plugins is an error in a
non-root conftest), and they are named in __all__ because ruff's autofix
otherwise deletes the "unused" import and silently disables Tk blocking --
it did exactly that once here. Verified afterwards with a canary asserting
_gatelock.tk is still a MagicMock, not merely that the suite passes.
Verified: 692 tests / 100% coverage unchanged; ~/.local/share/diet_guard
byte-identical before and after the run; cd /tmp && python3 -m diet_guard sync
-> 402 entries, exit 0. Gate 47 -> 44.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01MK3HCZrM75sRHL1gL8usve
248 lines
10 KiB
Python
248 lines
10 KiB
Python
"""Tests for the food bank's half of the sync tick.
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Split out of ``test_sync.py`` to keep both files under the repo's 500-line
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ceiling. Covers the derived bank (merged max-count-wins, with the log
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authoritative for which foods exist) and the hand-curated bank (merged
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last-writer-wins per food name).
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"""
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from __future__ import annotations
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import json
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from unittest.mock import patch
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from diet_guard import _sync, _sync_client
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from diet_guard._device import device_id
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from diet_guard._estimator import Nutrition
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from diet_guard._foodbank import lookup_food, read_food_bank
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from diet_guard._foodbank_manual import add_manual_entry, read_manual_bank
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from diet_guard._state import log_meal
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from diet_guard.sync_merge import food_bank_to_log, manual_bank_to_log
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from diet_guard.tests._sync_fakes import _mock_client, _write_token
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class TestSyncFoodBank:
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"""The log-derived food bank's cross-device merge."""
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def test_the_local_bank_is_pushed(self) -> None:
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_write_token()
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# Through the log, not remember_food: run_sync rebuilds the derived
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# bank from the merged log first, so a bank entry with no log entry
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# behind it is (correctly) discarded before the push.
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log_meal("apple", Nutrition(95, 0.5, 25, 0.3, 180, "manual"), 8)
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client = _mock_client(devices=())
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with patch.object(_sync_client, "GitHubSyncClient", return_value=client):
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_sync.run_sync()
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pushed = [call.args[0] for call in client.put_file_text.call_args_list]
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assert f"diet-guard-sync/devices/{device_id()}/food_bank.json" in pushed
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def test_a_food_the_phone_logged_reaches_the_gate(self) -> None:
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"""The payoff: a food eaten on the phone autocompletes on the PC.
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It arrives through the *log* (which merges first in the same tick),
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and the bank rebuild picks it up -- membership follows the log, so
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this is the path that actually delivers cross-device autocomplete.
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"""
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_write_token()
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remote_log_json = json.dumps(
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{
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"2026-06-22": [
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{
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"id": "phone-skyr",
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"time": "2026-06-22T09:00:00+02:00",
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"desc": "Skyr",
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"kcal": 120.0,
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"protein_g": 20.0,
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"carbs_g": 5.0,
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"fat_g": 0.5,
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"grams": 150.0,
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"source": "manual",
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},
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],
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},
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)
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client = _mock_client(
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devices=("phone",),
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files={"diet-guard-sync/devices/phone/food_log.json": remote_log_json},
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)
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with patch.object(_sync_client, "GitHubSyncClient", return_value=client):
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_sync.run_sync()
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found = lookup_food("Skyr")
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assert found is not None
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assert found.kcal == 120.0
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def test_a_deleted_food_is_not_resurrected_by_a_peer(self) -> None:
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"""Regression: a CRDT union never shrinks.
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Without the log staying authoritative for membership, a peer's stale
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copy of a food whose entries were all undone out-clocks the local
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absence, gets written back AND re-pushed -- permanently un-deletable.
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"""
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_write_token()
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# This device's log knows nothing of "skyr" (its entries were undone).
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log_meal("apple", Nutrition(95, 0.5, 25, 0.3, 180, "manual"), 8)
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remote = json.dumps(
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{
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rid: rec.to_dict()
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for rid, rec in food_bank_to_log(
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{"skyr": {"desc": "Skyr", "kcal": 120.0, "count": 3}},
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).items()
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},
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)
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client = _mock_client(
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devices=("phone",),
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files={"diet-guard-sync/devices/phone/food_bank.json": remote},
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)
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with patch.object(_sync_client, "GitHubSyncClient", return_value=client):
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_sync.run_sync()
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assert lookup_food("Skyr") is None
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pushed = [
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call.args[1]
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for call in client.put_file_text.call_args_list
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if call.args[0].endswith("food_bank.json")
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]
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assert pushed
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assert "skyr" not in pushed[0]
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def test_a_higher_remote_count_still_refines_a_known_food(self) -> None:
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"""Membership defers to the log; content still takes the better count."""
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_write_token()
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log_meal("apple", Nutrition(95, 0.5, 25, 0.3, 180, "manual"), 8)
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remote = json.dumps(
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{
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rid: rec.to_dict()
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for rid, rec in food_bank_to_log(
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{"apple": {"desc": "Apple", "kcal": 95.0, "count": 99}},
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).items()
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},
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)
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client = _mock_client(
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devices=("phone",),
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files={"diet-guard-sync/devices/phone/food_bank.json": remote},
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)
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with patch.object(_sync_client, "GitHubSyncClient", return_value=client):
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_sync.run_sync()
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assert read_food_bank()["apple"]["count"] == 99
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def test_unparsable_remote_food_bank_is_skipped(self) -> None:
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_write_token()
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log_meal("apple", Nutrition(95, 0.5, 25, 0.3, 180, "manual"), 8)
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client = _mock_client(
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devices=("phone",),
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files={"diet-guard-sync/devices/phone/food_bank.json": "{not json"},
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)
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with patch.object(_sync_client, "GitHubSyncClient", return_value=client):
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_sync.run_sync()
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assert lookup_food("apple") is not None
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def test_nothing_pushed_when_no_device_has_a_bank(self) -> None:
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_write_token()
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client = _mock_client(devices=())
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with patch.object(_sync_client, "GitHubSyncClient", return_value=client):
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_sync.run_sync()
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pushed = [call.args[0] for call in client.put_file_text.call_args_list]
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assert f"diet-guard-sync/devices/{device_id()}/food_bank.json" not in pushed
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class TestSyncManualBank:
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"""The hand-curated food bank's cross-device merge."""
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def test_nothing_pushed_when_no_device_has_curated_anything(self) -> None:
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_write_token()
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client = _mock_client(devices=())
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with patch.object(_sync_client, "GitHubSyncClient", return_value=client):
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_sync.run_sync()
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pushed = [call.args[0] for call in client.put_file_text.call_args_list]
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assert not any("food_bank_manual" in path for path in pushed)
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def test_local_curated_entry_is_pushed(self) -> None:
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_write_token()
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add_manual_entry("Skyr", {"desc": "Skyr", "kcal": 120.0, "count": 0})
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client = _mock_client(devices=())
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with patch.object(_sync_client, "GitHubSyncClient", return_value=client):
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_sync.run_sync()
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pushed = [call.args[0] for call in client.put_file_text.call_args_list]
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assert f"diet-guard-sync/devices/{device_id()}/food_bank_manual.json" in pushed
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def test_a_remote_curated_entry_is_adopted_locally(self) -> None:
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"""The point of the whole feature: a food added on the phone is usable
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on the PC, in the gate's autocomplete, without ever being eaten."""
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_write_token()
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remote = json.dumps(
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{
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record_id: record.to_dict()
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for record_id, record in manual_bank_to_log(
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{
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"skyr": {
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"desc": "Skyr",
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"kcal": 120.0,
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"protein_g": 20.0,
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"carbs_g": 5.0,
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"fat_g": 0.5,
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"grams": 150.0,
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"count": 0,
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"t": "2026-07-26T10:00:00+02:00",
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},
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},
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).items()
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},
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)
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client = _mock_client(
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devices=("phone",),
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files={"diet-guard-sync/devices/phone/food_bank_manual.json": remote},
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)
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with patch.object(_sync_client, "GitHubSyncClient", return_value=client):
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_sync.run_sync()
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assert "skyr" in read_manual_bank()
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found = lookup_food("Skyr")
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assert found is not None
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assert found.kcal == 120.0
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def test_a_newer_remote_edit_wins(self) -> None:
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_write_token()
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add_manual_entry("Skyr", {"desc": "Skyr", "kcal": 120.0, "count": 0})
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remote = json.dumps(
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{
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record_id: record.to_dict()
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for record_id, record in manual_bank_to_log(
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{
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"skyr": {
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"desc": "Skyr",
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"kcal": 999.0,
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"count": 0,
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"t": "2999-01-01T00:00:00+02:00",
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},
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},
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).items()
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},
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)
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client = _mock_client(
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devices=("phone",),
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files={"diet-guard-sync/devices/phone/food_bank_manual.json": remote},
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)
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with patch.object(_sync_client, "GitHubSyncClient", return_value=client):
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_sync.run_sync()
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assert read_manual_bank()["skyr"]["kcal"] == 999.0
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def test_unparsable_remote_curated_bank_is_skipped(self) -> None:
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_write_token()
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add_manual_entry("Skyr", {"desc": "Skyr", "kcal": 120.0, "count": 0})
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client = _mock_client(
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devices=("phone",),
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files={
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"diet-guard-sync/devices/phone/food_bank_manual.json": "{not json",
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},
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)
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with patch.object(_sync_client, "GitHubSyncClient", return_value=client):
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_sync.run_sync()
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assert read_manual_bank()["skyr"]["kcal"] == 120.0
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def test_a_device_with_no_pushed_curated_bank_is_skipped(self) -> None:
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_write_token()
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add_manual_entry("Skyr", {"desc": "Skyr", "kcal": 120.0, "count": 0})
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client = _mock_client(devices=("phone",))
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with patch.object(_sync_client, "GitHubSyncClient", return_value=client):
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_sync.run_sync()
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assert read_manual_bank()["skyr"]["kcal"] == 120.0
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