MAPG-94 add tests for Util\Geo

tests/Util/Geo/PositionTest.php

@@ -0,0 +1,33 @@
+<?php namespace MapGuesser\Tests\Util\Geo;
+
+use MapGuesser\Util\Geo\Position;
+use PHPUnit\Framework\TestCase;
+
+final class PositionTest extends TestCase
+{
+    public function testCanBeCreatedWithLatAndLng(): void
+    {
+        $position = new Position(45.25, 18.12);
+
+        $this->assertEquals(45.25, $position->getLat());
+        $this->assertEquals(18.12, $position->getLng());
+    }
+
+    public function testCanCalculateDistanceToAnotherPosition(): void
+    {
+        $position1 = new Position(44.12, 7.33);
+        $position2 = new Position(50.12, 15.11);
+
+        $this->assertEqualsWithDelta(888785.73, $position1->calculateDistanceTo($position2), 0.01);
+    }
+
+    public function testCanBeConvertedToArray(): void
+    {
+        $position = new Position(45.25, 18.12);
+
+        $this->assertEquals(
+            ['lat' => 45.25, 'lng' => 18.12],
+            $position->toArray()
+        );
+    }
+}