45 lines
1.5 KiB
JavaScript
45 lines
1.5 KiB
JavaScript
import assert from "node:assert/strict";
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import { readFile } from "node:fs/promises";
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import test from "node:test";
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import {
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advanceGhostPins,
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destinationPoint,
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geodesicDistanceMeters,
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} from "../dist/ghostPins.js";
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test("destinationPoint advances a pin over the globe", () => {
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const origin = { longitude: 37.618423, latitude: 55.751244 };
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const destination = destinationPoint(origin, 90, 1_000);
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assert.ok(destination.longitude > origin.longitude);
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assert.ok(Math.abs(destination.latitude - origin.latitude) < 0.001);
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assert.ok(Math.abs(geodesicDistanceMeters(origin, destination) - 1_000) < 0.01);
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});
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test("advanceGhostPins turns an escaping pin back toward its anchor", () => {
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const anchor = { longitude: 37.618423, latitude: 55.751244 };
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const edge = destinationPoint(anchor, 90, 990);
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const [advanced] = advanceGhostPins([
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{
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id: "ghost-1",
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label: "123456",
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...edge,
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heading_degrees: 90,
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speed_meters_per_second: 20,
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},
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], anchor, 1_000, 1);
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assert.ok(geodesicDistanceMeters(anchor, advanced) < 990);
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assert.ok(advanced.heading_degrees > 260 && advanced.heading_degrees < 280);
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});
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test("ghost pin stems stay terrain-relative after asynchronous tile loading", async () => {
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const source = await readFile(
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new URL("../src/CesiumMapRenderer.tsx", import.meta.url),
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"utf8",
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);
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assert.match(source, /new runtime\.Cesium\.CallbackPositionProperty/);
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assert.match(source, /new runtime\.Cesium\.CallbackProperty/);
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assert.match(source, /depthFailMaterial: fillColor/);
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});
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