init gpx library

gpx/test/io.test.ts

@@ -0,0 +1,33 @@
+import * as fs from 'fs';
+
+import { parseGPX } from '../src/io';
+
+describe("Parsing tests", () => {
+    it("Simple file", () => {
+        const path = "test-data/simple.gpx";
+        const data = fs.readFileSync(path, 'utf8');
+        const result = parseGPX(data);
+
+        expect(result.creator).toBe("https://gpx.studio");
+        expect(result.metadata.name).toBe("simple");
+        expect(result.metadata.author.name).toBe("gpx.studio");
+        expect(result.metadata.author.link.href).toBe("https://gpx.studio");
+
+        expect(result.tracks.length).toBe(1);
+
+        const track = result.tracks[0];
+        expect(track.name).toBe("simple");
+        expect(track.type).toBe("Cycling");
+        expect(track.trkseg.length).toBe(1);
+
+        const segment = track.trkseg[0];
+        expect(segment.trkpt.length).toBe(80);
+
+        for (let i = 0; i < segment.trkpt.length; i++) {
+            const point = segment.trkpt[i];
+            expect(point).toHaveProperty('lat');
+            expect(point).toHaveProperty('lon');
+            expect(point).toHaveProperty('ele');
+        }
+    });
+});