You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
quaggaJS/test/spec/cv_utils.spec.js

151 lines
4.1 KiB
JavaScript

const {
imageRef,
calculatePatchSize,
_parseCSSDimensionValues,
_dimensionsConverters,
computeImageArea
} = require('../../src/common/cv_utils');
describe('imageRef', function() {
it('gets the image Reference for a coordinate', function() {
var res = imageRef(1, 2);
expect(res.x).to.equal(1);
expect(res.y).to.equal(2);
expect(res.toVec2()[0]).to.equal(1);
});
});
describe('calculatePatchSize', function() {
it('should not throw an error in case of valid image size', function() {
var expected = {x: 32, y: 32},
patchSize = calculatePatchSize("medium", {x: 640, y: 480});
expect(patchSize).to.be.deep.equal(expected);
});
it('should thow an error if image size it not valid', function() {
var expected = {x: 32, y: 32},
patchSize = calculatePatchSize("medium", {x: 640, y: 480});
expect(patchSize).to.be.deep.equal(expected);
});
});
describe('_parseCSSDimensionValues', function() {
it("should convert a percentual value correctly", function() {
var expected = {
value: 10,
unit: "%"
},
result = _parseCSSDimensionValues("10%");
expect(result).to.be.deep.equal(expected);
});
it("should convert a 0% value correctly", function() {
var expected = {
value: 100,
unit: "%"
},
result = _parseCSSDimensionValues("100%");
expect(result).to.be.deep.equal(expected);
});
it("should convert a 100% value correctly", function() {
var expected = {
value: 0,
unit: "%"
},
result = _parseCSSDimensionValues("0%");
expect(result).to.be.deep.equal(expected);
});
it("should convert a pixel value to percentage", function() {
var expected = {
value: 26.3,
unit: "%"
},
result = _parseCSSDimensionValues("26.3px");
console.log(result);
expect(result).to.be.deep.equal(expected);
});
});
describe("_dimensionsConverters", function(){
var context;
beforeEach(function() {
context = {
width: 640,
height: 480
};
});
it("should convert a top-value correclty", function() {
var expected = 48,
result = _dimensionsConverters.top({value: 10, unit: "%"}, context);
expect(result).to.be.equal(expected);
});
it("should convert a right-value correclty", function() {
var expected = 640 - 128,
result = _dimensionsConverters.right({value: 20, unit: "%"}, context);
expect(result).to.be.equal(expected);
});
it("should convert a bottom-value correclty", function() {
var expected = 480 - 77,
result = _dimensionsConverters.bottom({value: 16, unit: "%"}, context);
expect(result).to.be.equal(expected);
});
it("should convert a left-value correclty", function() {
var expected = 57,
result = _dimensionsConverters.left({value: 9, unit: "%"}, context);
expect(result).to.be.equal(expected);
});
});
describe("computeImageArea", function() {
it("should calculate an image-area", function() {
var expected = {
sx: 115,
sy: 48,
sw: 429,
sh: 336
},
result = computeImageArea(640, 480, {
top: "10%",
right: "15%",
bottom: "20%",
left: "18%"
});
expect(result).to.be.deep.equal(expected);
});
it("should calculate full image-area", function() {
var expected = {
sx: 0,
sy: 0,
sw: 640,
sh: 480
},
result = computeImageArea(640, 480, {
top: "0%",
right: "0%",
bottom: "0%",
left: "0%"
});
expect(result).to.be.deep.equal(expected);
});
});