image-js
diff --git a/‎src/align/__tests__/__image_snapshots__/align-test-ts-id-crops-1-snap.png
649 KB b/‎src/align/__tests__/__image_snapshots__/align-test-ts-id-crops-1-snap.png
649 KB
diff --git a/‎src/align/__tests__/__image_snapshots__/align-test-ts-other-id-crops-1-snap.png
344 KB b/‎src/align/__tests__/__image_snapshots__/align-test-ts-other-id-crops-1-snap.png
344 KB
diff --git a/‎src/align/__tests__/align.test.ts
Lines changed: 58 additions & 0 deletions b/‎src/align/__tests__/align.test.ts
Lines changed: 58 additions & 0 deletions
@@ -1,3 +1,4 @@
+import { overlapImages } from '../../featureMatching';
 import { align } from '../align';
 
 test('1 pixel source', () => {
@@ -15,3 +16,60 @@ test('1 pixel source', () => {
   const result = align(source, destination);
   expect(result).toStrictEqual({ row: 2, column: 1 });
 });
+test('4 pixels source', () => {
+  const source = testUtils.createGreyImage([
+    [0, 80],
+    [150, 200],
+  ]);
+  const destination = testUtils.createGreyImage([
+    [0, 0, 0],
+    [0, 0, 100],
+    [0, 255, 255],
+  ]);
+
+  const result = align(source, destination, { blurKernelSize: 1 });
+  expect(result).toStrictEqual({
+    row: 1,
+    column: 1,
+  });
+});
+
+test('twice same image', () => {
+  const source = testUtils.load('opencv/test.png').grey();
+
+  const destination = testUtils.load('opencv/test.png').grey();
+
+  const result = align(source, destination);
+  expect(result).toStrictEqual({ row: 0, column: 0 });
+});
+
+test('larger image and crop', () => {
+  const side = 100;
+  const origin = { row: 30, column: 30 };
+  const destination = testUtils.load('ssim/ssim-original.png');
+  const source = destination.crop({ origin, width: side, height: side });
+
+  const result = align(source, destination);
+
+  expect(result).toStrictEqual(origin);
+});
+
+test('id crops', () => {
+  const destination = testUtils.load('align/cropped.png').grey();
+  const source = testUtils.load('align/croppedRef.png').grey();
+
+  const result = align(source, destination);
+
+  const overlap = overlapImages(source, destination, { origin: result });
+
+  expect(overlap).toMatchImageSnapshot();
+});
+
+test('other id crops', () => {
+  const destination = testUtils.load('align/cropped1.png').grey();
+  const source = testUtils.load('align/croppedRef1.png').grey();
+  const result = align(source, destination, { level: 'uniform' });
+
+  const overlap = overlapImages(source, destination, { origin: result });
+  expect(overlap).toMatchImageSnapshot();
+});