b79ae54b7b
feat(iOS): 更新MNN后端模型配置优化性能 将MNN主模型从Qwen3.5-4B(~2.64GiB)降级为Qwen3.5-2B(~1.1GiB)，因为4B版本 实测运行过慢，影响用户体验。iPhone17+/SME2设备使用2B模型，保留MLX 兜底方案用于模拟器和备用场景，确保AI推理性能和存储效率的平衡。 ```
117 lines
5.3 KiB
Swift
117 lines
5.3 KiB
Swift
import XCTest
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import CoreGraphics
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import AVFoundation
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@testable import 康康
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/// 指标速记的局部裁剪几何。
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/// 回归用例:屏上「宽而矮」的小框,必须裁出「宽 > 高」的照片 rect。
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/// 旧实现用 `metadataOutputRectConverted`(传感器横向坐标)套到竖屏照片 → x/y 轴对调,
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/// 把宽框裁成竖窄条(2026-05-31 真机 bug)。本组用例钉住正确的纯几何映射。
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final class RegionImageCropperTests: XCTestCase {
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/// 竖屏照片 + 竖屏屏幕 + 宽框 → 裁出的 rect 必须是横向(宽 > 高)。
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func testWideBoxYieldsLandscapeCropRect() {
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let photo = CGSize(width: 3024, height: 4032) // 竖屏照片(像素)
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let view = CGSize(width: 393, height: 852) // 竖屏屏幕(点)
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let box = RegionFraming.box(in: view) // 宽 84% / 矮 160
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let rect = RegionImageCropper.cropRect(photoPixelSize: photo, box: box, in: view)
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XCTAssertGreaterThan(rect.width, rect.height,
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"宽框应裁出宽 rect;若 width<height 说明轴对调 bug 复现")
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XCTAssertGreaterThan(rect.width, 0)
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XCTAssertGreaterThan(rect.height, 0)
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}
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/// 裁出的 rect 必须完整落在照片像素范围内(越界夹紧)。
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func testCropRectStaysInsidePhotoBounds() {
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let photo = CGSize(width: 3024, height: 4032)
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let view = CGSize(width: 393, height: 852)
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let box = RegionFraming.box(in: view)
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let rect = RegionImageCropper.cropRect(photoPixelSize: photo, box: box, in: view)
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XCTAssertGreaterThanOrEqual(rect.minX, 0)
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XCTAssertGreaterThanOrEqual(rect.minY, 0)
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XCTAssertLessThanOrEqual(rect.maxX, photo.width)
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XCTAssertLessThanOrEqual(rect.maxY, photo.height)
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}
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/// 宽框宽高比应与照片裁剪 rect 宽高比一致(aspect-fill 等比映射,不拉伸)。
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func testCropRectPreservesBoxAspectRatio() {
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let photo = CGSize(width: 3024, height: 4032)
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let view = CGSize(width: 393, height: 852)
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let box = RegionFraming.box(in: view)
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let rect = RegionImageCropper.cropRect(photoPixelSize: photo, box: box, in: view)
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let boxAspect = box.width / box.height
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let rectAspect = rect.width / rect.height
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XCTAssertEqual(rectAspect, boxAspect, accuracy: 0.05,
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"等比映射下,裁剪 rect 宽高比应与屏上小框一致")
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}
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/// 退化输入:零尺寸不应崩溃,返回 .zero。
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func testZeroInputsReturnZero() {
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XCTAssertEqual(
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RegionImageCropper.cropRect(photoPixelSize: .zero,
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box: CGRect(x: 0, y: 0, width: 10, height: 10),
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in: CGSize(width: 100, height: 200)),
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.zero)
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}
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// MARK: - aspect-FIT(静态图框选)
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/// 静态图以 aspect-fit 显示;宽框应裁出宽 rect 且落在照片范围内。
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func testAspectFitWideBoxYieldsLandscapeInsideBounds() {
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let photo = CGSize(width: 3024, height: 4032)
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let view = CGSize(width: 393, height: 852)
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let fitted = AVMakeRect(aspectRatio: photo, insideRect: CGRect(origin: .zero, size: view))
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// fitted 内的一个宽框
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let box = CGRect(x: fitted.minX + 30, y: fitted.midY - 50, width: fitted.width - 60, height: 100)
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let rect = RegionImageCropper.cropRectAspectFit(photoPixelSize: photo, box: box, imageFrame: fitted)
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XCTAssertGreaterThan(rect.width, rect.height)
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XCTAssertGreaterThanOrEqual(rect.minX, 0)
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XCTAssertGreaterThanOrEqual(rect.minY, 0)
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XCTAssertLessThanOrEqual(rect.maxX, photo.width)
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XCTAssertLessThanOrEqual(rect.maxY, photo.height)
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}
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/// 框正好等于整个显示区 → 裁出整张照片(像素)。
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func testAspectFitFullFrameBoxYieldsFullPhoto() {
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let photo = CGSize(width: 2000, height: 1000) // 横向照片
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let view = CGSize(width: 400, height: 800)
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let fitted = AVMakeRect(aspectRatio: photo, insideRect: CGRect(origin: .zero, size: view))
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let rect = RegionImageCropper.cropRectAspectFit(photoPixelSize: photo, box: fitted, imageFrame: fitted)
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XCTAssertEqual(rect.minX, 0, accuracy: 1)
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XCTAssertEqual(rect.minY, 0, accuracy: 1)
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XCTAssertEqual(rect.width, photo.width, accuracy: 2)
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XCTAssertEqual(rect.height, photo.height, accuracy: 2)
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}
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/// 等比映射:选框宽高比应与裁出 rect 宽高比一致。
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func testAspectFitPreservesBoxAspectRatio() {
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let photo = CGSize(width: 3024, height: 4032)
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let view = CGSize(width: 393, height: 852)
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let fitted = AVMakeRect(aspectRatio: photo, insideRect: CGRect(origin: .zero, size: view))
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let box = CGRect(x: fitted.minX + 20, y: fitted.minY + 40, width: 180, height: 120)
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let rect = RegionImageCropper.cropRectAspectFit(photoPixelSize: photo, box: box, imageFrame: fitted)
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XCTAssertEqual(rect.width / rect.height, box.width / box.height, accuracy: 0.05)
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}
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func testAspectFitZeroInputsReturnZero() {
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XCTAssertEqual(
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RegionImageCropper.cropRectAspectFit(photoPixelSize: .zero,
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box: CGRect(x: 0, y: 0, width: 10, height: 10),
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imageFrame: CGRect(x: 0, y: 0, width: 100, height: 100)),
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.zero)
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}
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}
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