First upload, 18 controller version

tests/test_preview_widget.py

@@ -0,0 +1,95 @@
+from __future__ import annotations
+
+from pathlib import Path
+import unittest
+
+from app.config.xml_mapping import load_config
+from app.qt_compat import QRectF
+from app.ui.preview_widget import (
+    PREVIEW_MODE_LEDS,
+    PREVIEW_MODE_TECHNICAL,
+    PREVIEW_MODE_TILE,
+    PreviewWidget,
+    normalize_preview_mode,
+)
+
+
+ROOT = Path(__file__).resolve().parents[1]
+SAMPLE_MAPPING = ROOT / "sample_data" / "infinity_mirror_mapping_clean.xml"
+
+
+class PreviewWidgetTests(unittest.TestCase):
+    def test_preview_mode_normalization_defaults_to_tile(self) -> None:
+        self.assertEqual(normalize_preview_mode(PREVIEW_MODE_TILE), PREVIEW_MODE_TILE)
+        self.assertEqual(normalize_preview_mode(PREVIEW_MODE_TECHNICAL), PREVIEW_MODE_TECHNICAL)
+        self.assertEqual(normalize_preview_mode(PREVIEW_MODE_LEDS), PREVIEW_MODE_LEDS)
+        self.assertEqual(normalize_preview_mode("unknown"), PREVIEW_MODE_TILE)
+
+    def test_preview_mode_flags_keep_tile_and_led_views_separate(self) -> None:
+        widget = PreviewWidget.__new__(PreviewWidget)
+
+        widget.preview_mode = PREVIEW_MODE_TILE
+        self.assertEqual(
+            widget._mode_flags(),
+            {
+                "show_fill": True,
+                "show_labels": True,
+                "show_leds": False,
+                "show_guides": False,
+                "show_direction": False,
+                "show_overlay_title": False,
+                "show_technical_meta": False,
+            },
+        )
+
+        widget.preview_mode = PREVIEW_MODE_TECHNICAL
+        self.assertEqual(
+            widget._mode_flags(),
+            {
+                "show_fill": True,
+                "show_labels": True,
+                "show_leds": True,
+                "show_guides": True,
+                "show_direction": True,
+                "show_overlay_title": True,
+                "show_technical_meta": True,
+            },
+        )
+
+        widget.preview_mode = PREVIEW_MODE_LEDS
+        self.assertEqual(
+            widget._mode_flags(),
+            {
+                "show_fill": False,
+                "show_labels": False,
+                "show_leds": True,
+                "show_guides": False,
+                "show_direction": False,
+                "show_overlay_title": False,
+                "show_technical_meta": False,
+            },
+        )
+
+    def test_segment_points_follow_counterclockwise_perimeter_order(self) -> None:
+        config = load_config(SAMPLE_MAPPING)
+        tile = config.sorted_tiles()[0]
+        widget = PreviewWidget.__new__(PreviewWidget)
+        rect = QRectF(0.0, 0.0, 200.0, 200.0)
+
+        points_by_side = {
+            segment.side: PreviewWidget._segment_points_for_side(widget, tile, segment, rect)
+            for segment in tile.segments
+        }
+
+        self.assertEqual((round(points_by_side["left"][0].x(), 1), round(points_by_side["left"][0].y(), 1)), (4.0, 4.0))
+        self.assertEqual((round(points_by_side["left"][-1].x(), 1), round(points_by_side["left"][-1].y(), 1)), (4.0, 196.0))
+        self.assertEqual((round(points_by_side["bottom"][0].x(), 1), round(points_by_side["bottom"][0].y(), 1)), (4.0, 196.0))
+        self.assertEqual((round(points_by_side["bottom"][-1].x(), 1), round(points_by_side["bottom"][-1].y(), 1)), (196.0, 196.0))
+        self.assertEqual((round(points_by_side["right"][0].x(), 1), round(points_by_side["right"][0].y(), 1)), (196.0, 196.0))
+        self.assertEqual((round(points_by_side["right"][-1].x(), 1), round(points_by_side["right"][-1].y(), 1)), (196.0, 4.0))
+        self.assertEqual((round(points_by_side["top"][0].x(), 1), round(points_by_side["top"][0].y(), 1)), (196.0, 4.0))
+        self.assertEqual((round(points_by_side["top"][-1].x(), 1), round(points_by_side["top"][-1].y(), 1)), (4.0, 4.0))
+
+
+if __name__ == "__main__":
+    unittest.main()