69 lines
2.0 KiB
Dart
69 lines
2.0 KiB
Dart
import 'dart:math' as math;
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import 'package:flutter_test/flutter_test.dart';
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import 'package:observer/detection/detection_result.dart';
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import 'package:observer/detection/motion_aggregator.dart';
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void main() {
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// 96x64 图，8x8 块 → 每块 12x8 像素
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test('noMotion_returnsEmpty', () {
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final diff = List<int>.filled(96 * 64, 0);
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expect(MotionAggregator.aggregate(diff, 96, 64), isEmpty);
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});
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test('singleBlockMotion_detectsRegion', () {
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final diff = List<int>.filled(96 * 64, 0);
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for (var y = 24; y < 32; y++) {
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for (var x = 24; x < 36; x++) {
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diff[y * 96 + x] = 1;
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}
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}
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final regions = MotionAggregator.aggregate(diff, 96, 64);
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expect(regions.length, 1);
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final r = regions[0];
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expect(r.left, lessThanOrEqualTo(24 / 96));
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expect(r.right, greaterThanOrEqualTo(36 / 96));
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expect(r.top, lessThanOrEqualTo(24 / 64));
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expect(r.bottom, greaterThanOrEqualTo(32 / 64));
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});
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test('twoSeparateMotions_detectsTwoRegions', () {
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final diff = List<int>.filled(96 * 64, 0);
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for (var y = 0; y < 8; y++) {
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for (var x = 0; x < 12; x++) {
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diff[y * 96 + x] = 1;
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}
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}
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for (var y = 48; y < 64; y++) {
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for (var x = 72; x < 96; x++) {
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diff[y * 96 + x] = 1;
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}
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}
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expect(MotionAggregator.aggregate(diff, 96, 64).length, 2);
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});
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test('globalNoise_filteredOut', () {
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final diff = List<int>.filled(96 * 64, 0);
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final rnd = math.Random(42);
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for (var i = 0; i < diff.length; i++) {
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if (rnd.nextDouble() < 0.1) diff[i] = 1;
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}
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expect(MotionAggregator.aggregate(diff, 96, 64), isEmpty);
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});
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test('centerInRegion_matches', () {
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final box = DetectionResult(
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label: 'hare',
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score: 0.30,
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left: 0.2,
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top: 0.3,
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right: 0.4,
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bottom: 0.5);
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expect(MotionAggregator.centerInRegion(box, MotionRegion(0.1, 0.2, 0.5, 0.6)),
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isTrue);
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expect(MotionAggregator.centerInRegion(box, MotionRegion(0.6, 0.7, 0.9, 0.9)),
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isFalse);
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});
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}
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