mirror of
https://github.com/jpawlowski/hass.tibber_prices.git
synced 2026-03-30 05:13:40 +00:00
2de793cfda
Changed from centralized main+subentry coordinator pattern to independent
coordinators per home. Each config entry now manages its own home data
with its own API client and access token.
Architecture changes:
- API Client: async_get_price_info() changed from home_ids: set[str] to home_id: str
* Removed GraphQL alias pattern (home0, home1, ...)
* Single-home query structure without aliasing
* Simplified response parsing (viewer.home instead of viewer.home0)
- Coordinator: Removed main/subentry distinction
* Deleted is_main_entry() and _has_existing_main_coordinator()
* Each coordinator fetches its own data independently
* Removed _find_main_coordinator() and _get_configured_home_ids()
* Simplified _async_update_data() - no subentry logic
* Added _home_id instance variable from config_entry.data
- __init__.py: New _get_access_token() helper
* Handles token retrieval for both parent and subentries
* Subentries find parent entry to get shared access token
* Creates single API client instance per coordinator
- Data structures: Flat single-home format
* Old: {"homes": {home_id: {"price_info": [...]}}}
* New: {"home_id": str, "price_info": [...], "currency": str}
* Attribute name: "periods" → "pricePeriods" (consistent with priceInfo)
- helpers.py: Removed get_configured_home_ids() (no longer needed)
* parse_all_timestamps() updated for single-home structure
Impact: Each home operates independently with its own lifecycle tracking,
caching, and period calculations. Simpler architecture, easier debugging,
better isolation between homes.
381 lines
13 KiB
Python
381 lines
13 KiB
Python
"""
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End-to-End Tests for Best Price Period Generation (Nov 2025 Bug Fix).
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These tests validate that the sign convention bug fix works correctly:
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- Bug: Negative flex for peak wasn't normalized → affected period calculation
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- Fix: abs() normalization in periods.py ensures consistent behavior
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Test coverage matches manual testing checklist:
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1. ✅ Best periods generate (not 0)
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2. ✅ FLEX filter stats reasonable (~20-40%, not 100%)
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3. ✅ Relaxation succeeds at reasonable flex (not maxed at 50%)
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"""
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from __future__ import annotations
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from unittest.mock import Mock
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import pytest
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from custom_components.tibber_prices.coordinator.period_handlers import (
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TibberPricesPeriodConfig,
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calculate_periods_with_relaxation,
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)
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from custom_components.tibber_prices.coordinator.time_service import (
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TibberPricesTimeService,
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)
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from homeassistant.util import dt as dt_util
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def _create_realistic_intervals() -> list[dict]:
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"""
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Create realistic test data matching German market Nov 22, 2025.
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Pattern: Morning peak (6-9h), midday low (9-15h), evening moderate (15-24h).
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Daily stats: Min=30.44ct, Avg=33.26ct, Max=36.03ct
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"""
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# Use CURRENT date so tests work regardless of when they run
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now_local = dt_util.now()
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base_time = now_local.replace(hour=0, minute=0, second=0, microsecond=0)
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daily_min, daily_avg, daily_max = 0.3044, 0.3326, 0.3603
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def _create_interval(hour: int, minute: int, price: float, level: str, rating: str) -> dict:
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"""Create a single interval dict."""
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return {
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"startsAt": base_time.replace(hour=hour, minute=minute), # datetime object
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"total": price,
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"level": level,
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"rating_level": rating,
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"_original_price": price,
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"trailing_avg_24h": daily_avg,
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"daily_min": daily_min,
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"daily_avg": daily_avg,
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"daily_max": daily_max,
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}
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# Build all intervals as list comprehensions
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intervals = []
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# Overnight (00:00-06:00) - NORMAL
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intervals.extend(
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[_create_interval(hour, minute, 0.318, "NORMAL", "NORMAL") for hour in range(6) for minute in [0, 15, 30, 45]]
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)
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# Morning spike (06:00-09:00) - EXPENSIVE
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intervals.extend(
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[
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_create_interval(
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hour,
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minute,
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price := 0.33 + (hour - 6) * 0.01,
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"EXPENSIVE" if price > 0.34 else "NORMAL",
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"HIGH" if price > 0.35 else "NORMAL",
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)
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for hour in range(6, 9)
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for minute in [0, 15, 30, 45]
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]
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)
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# Midday low (09:00-15:00) - CHEAP
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intervals.extend(
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[
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_create_interval(hour, minute, 0.305 + (hour - 12) * 0.002, "CHEAP", "LOW")
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for hour in range(9, 15)
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for minute in [0, 15, 30, 45]
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]
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)
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# Evening moderate (15:00-24:00) - NORMAL to EXPENSIVE
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intervals.extend(
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[
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_create_interval(
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hour,
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minute,
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price := 0.32 + (hour - 15) * 0.005,
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"EXPENSIVE" if price > 0.34 else "NORMAL",
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"HIGH" if price > 0.35 else "NORMAL",
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)
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for hour in range(15, 24)
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for minute in [0, 15, 30, 45]
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]
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)
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return intervals
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@pytest.mark.unit
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@pytest.mark.freeze_time("2025-11-22 12:00:00+01:00")
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class TestBestPriceGenerationWorks:
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"""Validate that best price periods generate successfully after bug fix."""
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def test_best_periods_generate_successfully(self) -> None:
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"""
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✅ PRIMARY TEST: Best periods generate (not 0).
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Validates that positive flex for BEST price mode produces periods.
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"""
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intervals = _create_realistic_intervals()
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# Mock coordinator (minimal setup)
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mock_coordinator = Mock()
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mock_coordinator.config_entry = Mock()
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time_service = TibberPricesTimeService(mock_coordinator)
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# Mock now() to return test date
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test_time = dt_util.parse_datetime("2025-11-22T12:00:00+01:00")
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time_service.now = Mock(return_value=test_time)
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# Create config for BEST price mode (normal positive flex)
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config = TibberPricesPeriodConfig(
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flex=0.15, # 15% positive (BEST price mode)
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min_distance_from_avg=5.0,
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min_period_length=60, # Best price uses 60min default
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reverse_sort=False, # Best price mode (cheapest first)
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)
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# Calculate periods with relaxation
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result = calculate_periods_with_relaxation(
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intervals,
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config=config,
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enable_relaxation=True,
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min_periods=2,
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max_relaxation_attempts=11,
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should_show_callback=lambda _: True, # Allow all levels
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time=time_service,
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)
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periods = result.get("periods", [])
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# Validation: periods found
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assert len(periods) > 0, "Best periods should generate"
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assert 2 <= len(periods) <= 5, f"Expected 2-5 periods, got {len(periods)}"
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def test_positive_flex_produces_periods(self) -> None:
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"""
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✅ TEST: Positive flex produces periods in BEST mode.
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Validates standard positive flex behavior for cheapest periods.
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"""
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intervals = _create_realistic_intervals()
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mock_coordinator = Mock()
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mock_coordinator.config_entry = Mock()
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time_service = TibberPricesTimeService(mock_coordinator)
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# Mock now() to return test date
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test_time = dt_util.parse_datetime("2025-11-22T12:00:00+01:00")
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time_service.now = Mock(return_value=test_time)
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# Test with positive flex (standard BEST mode)
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config_positive = TibberPricesPeriodConfig(
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flex=0.15, # Positive for BEST mode
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min_distance_from_avg=5.0,
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min_period_length=60,
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reverse_sort=False,
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)
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result_pos = calculate_periods_with_relaxation(
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intervals,
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config=config_positive,
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enable_relaxation=True,
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min_periods=2,
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max_relaxation_attempts=11,
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should_show_callback=lambda _: True,
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time=time_service,
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)
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periods_pos = result_pos.get("periods", [])
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# With positive flex, should find periods
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assert len(periods_pos) >= 2, f"Should find periods with positive flex, got {len(periods_pos)}"
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def test_periods_contain_low_prices(self) -> None:
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"""
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✅ TEST: Best periods contain low prices (not expensive ones).
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Validates periods include cheap intervals, not expensive ones.
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"""
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intervals = _create_realistic_intervals()
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mock_coordinator = Mock()
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mock_coordinator.config_entry = Mock()
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time_service = TibberPricesTimeService(mock_coordinator)
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# Mock now() to return test date
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test_time = dt_util.parse_datetime("2025-11-22T12:00:00+01:00")
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time_service.now = Mock(return_value=test_time)
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config = TibberPricesPeriodConfig(
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flex=0.15,
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min_distance_from_avg=5.0,
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min_period_length=60,
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reverse_sort=False,
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)
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result = calculate_periods_with_relaxation(
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intervals,
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config=config,
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enable_relaxation=True,
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min_periods=2,
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max_relaxation_attempts=11,
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should_show_callback=lambda _: True,
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time=time_service,
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)
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periods = result.get("periods", [])
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daily_max = intervals[0]["daily_max"]
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# Check period averages are NOT near daily maximum
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# Note: period prices are in cents, daily stats are in euros
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for period in periods:
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period_avg = period.get("price_avg", 0)
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assert period_avg < daily_max * 100 * 0.95, (
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f"Best period has too high avg: {period_avg:.4f} ct vs daily_max={daily_max * 100:.4f} ct"
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)
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def test_relaxation_works_at_reasonable_flex(self) -> None:
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"""
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✅ TEST: Relaxation succeeds without maxing flex at 50%.
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Validates relaxation finds periods at reasonable flex levels.
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"""
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intervals = _create_realistic_intervals()
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mock_coordinator = Mock()
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mock_coordinator.config_entry = Mock()
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time_service = TibberPricesTimeService(mock_coordinator)
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# Mock now() to return test date
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test_time = dt_util.parse_datetime("2025-11-22T12:00:00+01:00")
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time_service.now = Mock(return_value=test_time)
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# Lower flex to trigger relaxation
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config = TibberPricesPeriodConfig(
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flex=0.10, # 10% - likely needs relaxation
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min_distance_from_avg=5.0,
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min_period_length=60,
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reverse_sort=False,
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)
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result = calculate_periods_with_relaxation(
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intervals,
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config=config,
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enable_relaxation=True,
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min_periods=2,
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max_relaxation_attempts=11,
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should_show_callback=lambda _: True,
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time=time_service,
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)
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periods = result.get("periods", [])
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# Should find periods via relaxation
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assert len(periods) >= 2, "Relaxation should find periods"
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# Check if relaxation was used
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relaxation_meta = result.get("metadata", {}).get("relaxation", {})
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if "max_flex_used" in relaxation_meta:
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max_flex_used = relaxation_meta["max_flex_used"]
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# Fix ensures reasonable flex is sufficient
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assert max_flex_used <= 0.35, f"Flex should stay reasonable, got {max_flex_used * 100:.1f}%"
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@pytest.mark.unit
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@pytest.mark.freeze_time("2025-11-22 12:00:00+01:00")
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class TestBestPriceBugRegressionValidation:
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"""Regression tests ensuring consistent behavior with peak price fix."""
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def test_metadata_shows_reasonable_flex_used(self) -> None:
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"""
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✅ REGRESSION: Metadata shows flex used was reasonable (not 50%).
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This validates FLEX filter works correctly in BEST mode too.
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"""
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intervals = _create_realistic_intervals()
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mock_coordinator = Mock()
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mock_coordinator.config_entry = Mock()
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time_service = TibberPricesTimeService(mock_coordinator)
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# Mock now() to return test date
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test_time = dt_util.parse_datetime("2025-11-22T12:00:00+01:00")
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time_service.now = Mock(return_value=test_time)
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config = TibberPricesPeriodConfig(
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flex=0.15,
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min_distance_from_avg=5.0,
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min_period_length=60,
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reverse_sort=False,
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)
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result = calculate_periods_with_relaxation(
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intervals,
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config=config,
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enable_relaxation=True,
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min_periods=2,
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max_relaxation_attempts=11,
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should_show_callback=lambda _: True,
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time=time_service,
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)
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# Check metadata from result
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metadata = result.get("metadata", {})
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config_used = metadata.get("config", {})
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if "flex" in config_used:
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flex_used = config_used["flex"]
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# Reasonable flex should be sufficient
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assert 0.10 <= flex_used <= 0.35, f"Expected flex 10-35%, got {flex_used * 100:.1f}%"
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# Also check relaxation metadata
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relaxation_meta = result.get("metadata", {}).get("relaxation", {})
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if "max_flex_used" in relaxation_meta:
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max_flex = relaxation_meta["max_flex_used"]
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assert max_flex <= 0.35, f"Max flex should be reasonable, got {max_flex * 100:.1f}%"
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def test_periods_include_cheap_intervals(self) -> None:
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"""
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✅ REGRESSION: Best periods include intervals near daily min.
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Validates that cheap intervals are properly included in periods.
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"""
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intervals = _create_realistic_intervals()
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mock_coordinator = Mock()
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mock_coordinator.config_entry = Mock()
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time_service = TibberPricesTimeService(mock_coordinator)
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# Mock now() to return test date
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test_time = dt_util.parse_datetime("2025-11-22T12:00:00+01:00")
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time_service.now = Mock(return_value=test_time)
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config = TibberPricesPeriodConfig(
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flex=0.15,
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min_distance_from_avg=5.0,
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min_period_length=60,
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reverse_sort=False,
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)
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result = calculate_periods_with_relaxation(
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intervals,
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config=config,
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enable_relaxation=True,
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min_periods=2,
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max_relaxation_attempts=11,
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should_show_callback=lambda _: True,
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time=time_service,
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)
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periods = result.get("periods", [])
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daily_avg = intervals[0]["daily_avg"]
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daily_min = intervals[0]["daily_min"]
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# At least one period should have low average
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# Note: period prices are in cents, daily stats are in euros
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min_period_avg = min(p.get("price_avg", 1.0) for p in periods)
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assert min_period_avg <= daily_avg * 100 * 0.95, (
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f"Best periods should have low avg: {min_period_avg:.4f} ct vs daily_avg={daily_avg * 100:.4f} ct"
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)
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# Check proximity to daily min
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assert min_period_avg <= daily_min * 100 * 1.15, (
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f"At least one period near daily_min: {min_period_avg:.4f} ct vs daily_min={daily_min * 100:.4f} ct"
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)
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