jack
69753e35f9
- Implement synchronous offscreen wafer map PNG rendering and CSV summary. - Add "Batch Export" button to file browser sidebar. - Adjust trend pane bottom spacer to align with About button when visible. - Fix type check errors and add pytest coverage for batch export.
83 lines
2.2 KiB
Python
83 lines
2.2 KiB
Python
"""Tests for src/pygui/backend/visualization/trend_chart_item.py."""
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import json
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import pytest
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# Use the session-scoped qapp fixture from conftest.py so Qt Property/Signal
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# descriptors work properly.
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pytestmark = pytest.mark.usefixtures("qapp")
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def test_no_data_initially():
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from pygui.backend.visualization.trend_chart_item import TrendChartItem
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item = TrendChartItem()
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assert item.hasData is False
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def test_append_delta_adds_point_and_sets_has_data():
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from pygui.backend.visualization.trend_chart_item import TrendChartItem
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item = TrendChartItem()
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item.appendDelta(json.dumps([[1.5, 42.0]]))
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assert item.hasData is True
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assert item._points == [(1.5, 42.0)]
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def test_append_delta_accumulates_across_calls():
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from pygui.backend.visualization.trend_chart_item import TrendChartItem
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item = TrendChartItem()
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item.appendDelta(json.dumps([[0.0, 10.0]]))
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item.appendDelta(json.dumps([[1.0, 20.0]]))
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assert item._points == [(0.0, 10.0), (1.0, 20.0)]
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def test_append_delta_prunes_points_older_than_60s_window():
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from pygui.backend.visualization.trend_chart_item import TrendChartItem
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item = TrendChartItem()
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item.appendDelta(json.dumps([[0.0, 10.0]]))
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item.appendDelta(json.dumps([[70.0, 20.0]]))
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assert item._points == [(70.0, 20.0)]
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def test_append_delta_ignores_malformed_json():
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from pygui.backend.visualization.trend_chart_item import TrendChartItem
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item = TrendChartItem()
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item.appendDelta("not json")
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assert item._points == []
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assert item.hasData is False
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def test_append_delta_skips_repaint_when_no_points_added():
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from unittest.mock import MagicMock
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from pygui.backend.visualization.trend_chart_item import TrendChartItem
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item = TrendChartItem()
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item.appendDelta(json.dumps([[1.0, 10.0]]))
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item.update = MagicMock()
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item.appendDelta("not json")
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assert item.update.called is False
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def test_clear_trend_resets_points_and_has_data():
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from pygui.backend.visualization.trend_chart_item import TrendChartItem
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item = TrendChartItem()
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item.appendDelta(json.dumps([[1.0, 10.0]]))
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assert item.hasData is True
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item.clearTrend()
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assert item._points == []
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assert item.hasData is False
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