Add: cv.inpaint: tests

Author: legraphista

test/tests/modules/photo/photo.test.js

@@ -0,0 +1,63 @@
+const cv = global.dut;
+const {
+  assertError,
+  assertPropsWithValue,
+  assertMetaData,
+  funcShouldRequireArgs,
+  readTestImage,
+  generateAPITests
+} = global.utils;
+const { expect } = require('chai');
+
+describe('photo', () => {
+
+  describe('inpaint', () => {
+
+    it('should have constants', () => {
+      expect(isNaN(cv.INPAINT_TELEA)).to.be.equal(false);
+      expect(isNaN(cv.INPAINT_NS)).to.be.equal(false);
+    });
+
+
+    it('should perform inpainting', () => {
+
+      // construct a black image with a white dot in the middle
+      const imgData = new Array(7*7).fill(0);
+      imgData[7 * 3 + 3] = 255;
+      const image = new cv.Mat(new Buffer(imgData), 7,7,cv.CV_8U);
+      // construct the mask from the same image (since we want to inpaint the white dot)
+      const mask = image.copy();
+
+      // perform inpainting
+      const inpainted = cv.inpaint(image, mask, 3, cv.INPAINT_TELEA);
+
+      // now the result should be all black
+      const sum = inpainted.sum();
+
+      // so sum should be 0
+      expect(sum).to.be.equal(0);
+    });
+
+    it('should perform inpainting async', (done) => {
+
+      // construct a black image with a white dot in the middle
+      const imgData = new Array(7*7).fill(0);
+      imgData[7 * 3 + 3] = 255;
+      const image = new cv.Mat(new Buffer(imgData), 7,7,cv.CV_8U);
+      // construct the mask from the same image (since we want to inpaint the white dot)
+      const mask = image.copy();
+
+      // perform inpainting
+      cv.inpaintAsync(image, mask, 3, cv.INPAINT_TELEA)
+        .then(inpainted => {
+          // now the result should be all black
+          const sum = inpainted.sum();
+
+          // so sum should be 0
+          expect(sum).to.be.equal(0);
+
+          done();
+        }).catch(done);
+    });
+  })
+});