Squash Odysseus development history

tests/test_editor_compare_mode.py

@@ -0,0 +1,22 @@
+from pathlib import Path
+
+
+ROOT = Path(__file__).resolve().parents[1]
+
+
+def test_compare_mode_is_transient_and_wired_to_topbar():
+    state = (ROOT / "static/js/editor/state.js").read_text()
+    topbar = (ROOT / "static/js/editor/build/topbar.js").read_text()
+    wiring = (ROOT / "static/js/editor/wire-topbar.js").read_text()
+    editor = (ROOT / "static/js/galleryEditor.js").read_text()
+
+    assert "compareBaselineCanvas: null" in state
+    assert "compareActive: false" in state
+    assert 'id="ge-compare-btn"' in topbar
+    assert "aria-pressed=\"false\"" in topbar
+    assert "toggleCompare" in wiring
+    assert "state.compareBaselineCanvas = document.createElement('canvas')" in editor
+    assert "state.compareActive = !state.compareActive" in editor
+    assert "state.compareActive && state.compareBaselineCanvas" in editor
+    assert "state.compareBaselineCanvas = null" in editor
+    assert "state.compareActive = false" in editor