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Add node tests

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Tim Schaub
2021-04-28 15:00:04 -07:00
parent c301d2413b
commit 7b934a06be
61 changed files with 1216 additions and 449 deletions
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test/node/ol/geom/flat/closest.test.js
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import expect from '../../../expect.js';
import {
assignClosestPoint,
maxSquaredDelta,
} from '../../../../../src/ol/geom/flat/closest.js';
describe('ol/geom/flat/closest.js', function () {
describe('with simple data', function () {
const flatCoordinates = [0, 0, 1, 0, 3, 0, 5, 0, 6, 0, 8, 0, 11, 0];
describe('maxSquaredDelta', function () {
it('returns the expected value in simple cases', function () {
expect(
maxSquaredDelta(flatCoordinates, 0, flatCoordinates.length, 2, 0)
).to.be(9);
});
});
describe('assignClosestPoint', function () {
it('returns the expected value', function () {
const maxDelta = Math.sqrt(
maxSquaredDelta(flatCoordinates, 0, flatCoordinates.length, 2, 0)
);
expect(maxDelta).to.be(3);
const closestPoint = [NaN, NaN];
expect(
assignClosestPoint(
flatCoordinates,
0,
flatCoordinates.length,
2,
maxDelta,
false,
0,
0,
closestPoint,
Infinity
)
).to.be(0);
expect(closestPoint).to.eql([0, 0]);
expect(
assignClosestPoint(
flatCoordinates,
0,
flatCoordinates.length,
2,
maxDelta,
false,
4,
1,
closestPoint,
Infinity
)
).to.be(1);
expect(closestPoint).to.eql([4, 0]);
expect(
assignClosestPoint(
flatCoordinates,
0,
flatCoordinates.length,
2,
maxDelta,
false,
5,
2,
closestPoint,
Infinity
)
).to.be(4);
expect(closestPoint).to.eql([5, 0]);
expect(
assignClosestPoint(
flatCoordinates,
0,
flatCoordinates.length,
2,
maxDelta,
false,
10,
100,
closestPoint,
Infinity
)
).to.be(10000);
expect(closestPoint).to.eql([10, 0]);
});
});
});
describe('with real data', function () {
const flatCoordinates = [
224.55,
250.15,
226.91,
244.19,
233.31,
241.45,
234.98,
236.06,
244.21,
232.76,
262.59,
215.31,
267.76,
213.81,
273.57,
201.84,
273.12,
192.16,
277.62,
189.03,
280.36,
181.41,
286.51,
177.74,
292.41,
159.37,
296.91,
155.64,
314.95,
151.37,
319.75,
145.16,
330.33,
137.57,
341.48,
139.96,
369.98,
137.89,
387.39,
142.51,
391.28,
139.39,
409.52,
141.14,
414.82,
139.75,
427.72,
127.3,
439.6,
119.74,
474.93,
107.87,
486.51,
106.75,
489.2,
109.45,
493.79,
108.63,
504.74,
119.66,
512.96,
122.35,
518.63,
120.89,
524.09,
126.88,
529.57,
127.86,
534.21,
140.93,
539.27,
147.24,
567.69,
148.91,
575.25,
157.26,
580.62,
158.15,
601.53,
156.85,
617.74,
159.86,
622.0,
167.04,
629.55,
194.6,
638.9,
195.61,
641.26,
200.81,
651.77,
204.56,
671.55,
222.55,
683.68,
217.45,
695.25,
219.15,
700.64,
217.98,
703.12,
214.36,
712.26,
215.87,
721.49,
212.81,
727.81,
213.36,
729.98,
208.73,
735.32,
208.2,
739.94,
204.77,
769.98,
208.42,
779.6,
216.87,
784.2,
218.16,
800.24,
214.62,
810.53,
219.73,
817.19,
226.82,
820.77,
236.17,
827.23,
236.16,
829.89,
239.89,
851.0,
248.94,
859.88,
255.49,
865.21,
268.53,
857.95,
280.3,
865.48,
291.45,
866.81,
298.66,
864.68,
302.71,
867.79,
306.17,
859.87,
311.37,
860.08,
314.35,
858.29,
314.94,
858.1,
327.6,
854.54,
335.4,
860.92,
343.0,
856.43,
350.15,
851.42,
352.96,
849.84,
359.59,
854.56,
365.53,
849.74,
370.38,
844.09,
371.89,
844.75,
380.44,
841.52,
383.67,
839.57,
390.4,
845.59,
399.05,
848.4,
407.55,
843.71,
411.3,
844.09,
419.88,
839.51,
432.76,
841.33,
441.04,
847.62,
449.22,
847.16,
458.44,
851.38,
462.79,
853.97,
471.15,
866.36,
480.77,
];
describe('maxSquaredDelta', function () {
it('returns the expected value', function () {
expect(
maxSquaredDelta(flatCoordinates, 0, flatCoordinates.length, 2, 0)
).to.roughlyEqual(1389.1058, 1e-9);
});
});
describe('assignClosestPoint', function () {
it('returns the expected value', function () {
const maxDelta = Math.sqrt(
maxSquaredDelta(flatCoordinates, 0, flatCoordinates.length, 2, 0)
);
expect(maxDelta).to.roughlyEqual(Math.sqrt(1389.1058), 1e-9);
const closestPoint = [NaN, NaN];
expect(
assignClosestPoint(
flatCoordinates,
0,
flatCoordinates.length,
2,
maxDelta,
false,
0,
0,
closestPoint,
Infinity
)
).to.roughlyEqual(110902.405, 1e-9);
expect(closestPoint).to.eql([292.41, 159.37]);
expect(
assignClosestPoint(
flatCoordinates,
0,
flatCoordinates.length,
2,
maxDelta,
false,
500,
500,
closestPoint,
Infinity
)
).to.roughlyEqual(106407.905, 1e-9);
expect(closestPoint).to.eql([671.55, 222.55]);
expect(
assignClosestPoint(
flatCoordinates,
0,
flatCoordinates.length,
2,
maxDelta,
false,
1000,
500,
closestPoint,
Infinity
)
).to.roughlyEqual(18229.4425, 1e-9);
expect(closestPoint).to.eql([866.36, 480.77]);
});
});
});
describe('with multi-dimensional data', function () {
const flatCoordinates = [0, 0, 10, -10, 2, 2, 30, -20];
const stride = 4;
describe('assignClosestPoint', function () {
it('interpolates M coordinates', function () {
const maxDelta = Math.sqrt(
maxSquaredDelta(flatCoordinates, 0, flatCoordinates.length, stride, 0)
);
expect(maxDelta).to.roughlyEqual(Math.sqrt(8), 1e-9);
const closestPoint = [NaN, NaN];
expect(
assignClosestPoint(
flatCoordinates,
0,
flatCoordinates.length,
stride,
maxDelta,
false,
1,
1,
closestPoint,
Infinity
)
).to.roughlyEqual(0, 1e-9);
expect(closestPoint).to.have.length(stride);
expect(closestPoint[0]).to.be(1);
expect(closestPoint[1]).to.be(1);
expect(closestPoint[2]).to.be(20);
expect(closestPoint[3]).to.be(-15);
});
});
});
});