test: add test no plan

geotrek/trekking/tests/data/apidae_trek_parser/trek_no_plan_error.json

@@ -0,0 +1,12 @@
+{
+  "numFound": 1,
+  "objetsTouristiques": [
+    {
+      "id": 123123,
+      "multimedias": [],
+      "nom": {
+        "libelleFr": "Une belle randonnée de test sans plan..."
+      }
+    }
+  ]
+}

geotrek/trekking/tests/test_parsers.py

@@ -817,6 +817,17 @@ def test_trek_not_imported_when_no_gpx_file(self, mocked_get):
         self.assertEqual(Trek.objects.count(), 0)
         self.assertIn('pas au format GPX', output_stdout.getvalue())
 
+    @mock.patch('requests.get')
+    def test_trek_not_imported_when_no_plan(self, mocked_get):
+        output_stdout = StringIO()
+        mocked_get.side_effect = self.make_dummy_get('trek_no_plan_error.json')
+
+        call_command('import', 'geotrek.trekking.tests.test_parsers.TestApidaeTrekParser', verbosity=2,
+                     stdout=output_stdout)
+
+        self.assertEqual(Trek.objects.count(), 0)
+        self.assertIn('APIDAE Trek has no map defined', output_stdout.getvalue())
+
     @mock.patch('requests.get')
     def test_trek_linked_entities_are_imported(self, mocked_get):
         mocked_get.side_effect = self.make_dummy_get('a_trek.json')