fix issue with cut segments in route feature

Fixes #3.

Release v0.3.3

composer.json

@@ -1,7 +1,7 @@
 {
   "name": "runalyze/static-maps",
   "description": "Library to create static images from various map tile providers.",
-  "version": "0.3.1",
+  "version": "0.3.3",
   "license": "MIT",
   "require": {
     "php": ">=7.0",

src/Feature/Route.php

@@ -118,7 +118,7 @@ protected function getLineSegments(array $coordinates): array
             return [];
         }
 
-        if (2 == count($coordinates[0]) || !is_array($coordinates[0][0])) {
+        if (2 == count($coordinates[0]) && !is_array($coordinates[0][0])) {
             return [$coordinates];
         }
 

src/Tests/Feature/RouteTest.php

@@ -57,4 +57,26 @@ protected function assertThatBoundingBoxIsEqual(BoundingBoxInterface $expected,
         $this->assertEquals($expected->getMinLongitude(), $actual->getMinLongitude(), '', 0.001);
         $this->assertEquals($expected->getMaxLongitude(), $actual->getMaxLongitude(), '', 0.001);
     }
+
+    /**
+     * @see https://github.com/Runalyze/static-maps/issues/3
+     */
+    public function testExampleWithBreaksInCoordinates()
+    {
+        $route = new Route([
+            [
+                [51.034692, 13.791008],
+                [51.034692, 13.791008]
+            ],
+            [
+                [51.034708, 13.790972],
+                [51.034720, 13.790943],
+                [51.034733, 13.790913],
+                [51.034747, 13.790882]
+            ]
+        ]);
+
+        $this->assertFalse($route->isEmpty());
+        $this->assertThatBoundingBoxIsEqual(new BoundingBox(51.034, 51.035, 13.790, 13.791), $route->getBoundingBox());
+    }
 }