Akiba So
e4a94d00c0
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Per the full-refactor plan (P0/P1/P2 modules, all pressure-independent): - engine/undo_stack: generic snapshot undo/redo (per page in the editor) - ui/thumbnail_grid: Drawboard-style lazy thumbnail nav sheet (pdfrx) - input/pen_config + ui/pen_settings_page: configurable side-button / eraser-end action mapping, pressure curve, palm sensitivity, finger drawing, widths (shared_preferences). Button-action mappings persist but consume in the input arbiter later; widths/finger consumed now. Wired into the live editor (undo/redo + grid + settings buttons). 19 new tests.
81 lines
2.6 KiB
Dart
81 lines
2.6 KiB
Dart
// test/pen_config_test.dart
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//
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// Unit tests for PenConfig (toJson/fromJson round-trip) and
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// applyPressureCurve. No widgets, no SharedPreferences, no Flutter framework.
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import 'package:flutter_test/flutter_test.dart';
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import 'package:badnote/editor/input/pen_config.dart';
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void main() {
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group('applyPressureCurve', () {
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test('gamma=1 is identity', () {
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expect(applyPressureCurve(0.5, 1.0), closeTo(0.5, 1e-9));
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expect(applyPressureCurve(0.0, 1.0), closeTo(0.0, 1e-9));
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expect(applyPressureCurve(1.0, 1.0), closeTo(1.0, 1e-9));
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});
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test('applyPressureCurve(0.5, 2.0) == 0.25', () {
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expect(applyPressureCurve(0.5, 2.0), closeTo(0.25, 1e-9));
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});
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test('clamps input below 0', () {
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expect(applyPressureCurve(-0.5, 1.0), closeTo(0.0, 1e-9));
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});
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test('clamps input above 1', () {
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expect(applyPressureCurve(1.5, 1.0), closeTo(1.0, 1e-9));
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});
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});
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group('PenConfig toJson / fromJson round-trip', () {
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test('default config survives round-trip', () {
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const original = PenConfig();
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final restored = PenConfig.fromJson(original.toJson());
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expect(restored, equals(original));
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});
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test('custom config survives round-trip', () {
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const original = PenConfig(
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sideButton: PenButtonAction.undo,
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eraserEnd: PenButtonAction.pan,
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pressureGamma: 1.5,
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palmRejectionMs: 200.0,
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fingerDrawing: true,
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penWidth: 0.008,
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highlighterWidth: 0.03,
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);
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final restored = PenConfig.fromJson(original.toJson());
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expect(restored, equals(original));
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});
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test('fromJson falls back to defaults for missing keys', () {
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final restored = PenConfig.fromJson({});
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expect(restored.sideButton, PenButtonAction.eraser);
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expect(restored.eraserEnd, PenButtonAction.eraser);
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expect(restored.pressureGamma, 1.0);
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expect(restored.palmRejectionMs, 150.0);
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expect(restored.fingerDrawing, false);
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expect(restored.penWidth, 0.004);
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expect(restored.highlighterWidth, 0.02);
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});
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test('fromJson falls back to defaults for unknown enum names', () {
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final restored = PenConfig.fromJson({
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'sideButton': 'unknownAction',
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'eraserEnd': 'anotherUnknown',
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});
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expect(restored.sideButton, PenButtonAction.eraser);
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expect(restored.eraserEnd, PenButtonAction.eraser);
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});
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});
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group('PenConfig copyWith', () {
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test('copyWith preserves unchanged fields', () {
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const original = PenConfig(pressureGamma: 2.0);
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final copy = original.copyWith(fingerDrawing: true);
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expect(copy.pressureGamma, 2.0);
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expect(copy.fingerDrawing, true);
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});
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});
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}
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