From 0b99982c49dea6395a11570f413a98486f842259 Mon Sep 17 00:00:00 2001
From: rgarcia-herrera <rgarcia@iecologia.unam.mx>
Date: Sun, 23 Aug 2020 15:03:46 -0500
Subject: [PATCH] actual tests with nice minimal framework

---
 test_server.py | 104 ++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 76 insertions(+), 28 deletions(-)

diff --git a/test_server.py b/test_server.py
index ee8a3dc..2acc65e 100644
--- a/test_server.py
+++ b/test_server.py
@@ -2,33 +2,40 @@ import pytest
 import requests
 from LatLon23 import LatLon
 from geopy import distance
+from math import isclose
 
 FLOCK_SERVER="http://127.0.0.1:5000"
 
 UACM = (19.37425,-99.17168)
 
-a = (19.37634,-99.12660)  # playa pie de la cuesta y mirador
+points = [
+    (19.37634,-99.12660),  # playa pie de la cuesta y mirador
+    (19.37521,-99.11923),  # antropólogos y cardiólogos
+]
 
-b = (19.37521,-99.11923)  # antropólogos y cardiólogos
-
-b1 = None
-b2 = None
+bikes = []
 
 def flip(coord):
     return (coord[1], coord[0])
 
+def as_tuple(coord):
+    """
+    Return LatLon point as (lat, lon) tuple
+    """
+    return (float(coord.lat),
+            float(coord.lon))
+
 
 class Bike(dict):
 
     def server_register(self, dest):
-    
+        self['dest'] = dest
+        
         register_url = "{server}/register/?dest_lon={dest_lon}&dest_lat={dest_lat}"
         r = requests.get(register_url.format(server=FLOCK_SERVER,
                                              dest_lon=dest[1],
                                              dest_lat=dest[0]))
         out = r.json()
-        assert 'bike_id' in out
-
         
         self.update({'bike_id': out['bike_id'], })
                      # "flock_avg_speed":3.5,
@@ -40,40 +47,81 @@ class Bike(dict):
     def server_update(self):    
         update_url = "{server}/update/{bike_id}/?lat={lat}&lon={lon}&speed={speed}&bearing={bearing}"
         req = requests.get(update_url.format(server=FLOCK_SERVER,
-                                             bike_id=self.bike_id,
-                                             speed=self.speed,
-                                             bearing=self.bearing,
-                                             lat=self.point[0],                                           
-                                             lon=self.point[1]))
+                                             bike_id=self['bike_id'],
+                                             speed=self['speed'],
+                                             bearing=self['bearing'],
+                                             lat=self['lat'], 
+                                             lon=self['lon']))
         resp = req.json()
-        print(resp)
+        self.update(resp)
         
 
-
 def test_register():
-    global b1, b2
+    global bikes
 
-    b1 = Bike()
-    b1.server_register(dest=UACM)
 
-    #b1.update({''})
-    #id2 = out['bike_id']
+    for i, p in enumerate(points):
+        # bikes will be bound north (90 degrees), 10km away
+        t0 = LatLon(*p)
+        t1 = t0.offset(90, 10)
+    
+        bikes.append(Bike())
+        bikes[i].server_register(dest=as_tuple(t1))
+
+        assert 'bike_id' in bikes[i]
 
 
 
 def test_update():
-    global b1, b2
+    """
+    test update with coords, which are points of origin for
+    our test bikes.
+    """
+    global bikes
 
-    t0 = LatLon(*a)
-    t1 = t0.offset(90, 1)
+    for i, p in enumerate(points):
+        t0 = LatLon(*p)
+        bearing = t0.heading_initial(LatLon(*bikes[i]['dest']))
     
-    print(t0, t1, t0.heading_initial(t1), distance.geodesic(a,
-                                                            (t1.lat, t1.lon)).meters)
+        bikes[i].update(
+            {'speed': 3,
+             'bearing': bearing,
+             'lat': p[0],
+             'lon': p[1],
+            })
     
-    #b1.server_update(t0[0], lon, speed, bearing)
+        bikes[i].server_update()
 
-    #b2.server_update(lat, lon, speed, bearing)    
+        assert isclose(bikes[i]['bearing'], 90)
+
+
+
+# def test_flock_forward():
+#     """
+#     Bike 1 is closely followed by 2. Bike 1 updates at t=0, bike 2
+#     twenty seconds later.
+
+#     test for proper distances, flock heading, dest heading, etc.
+#     """
+#     global b1, b2
+
+#     # 
+#     t0 = LatLon(*a)
+#     t1 = t0.offset(90, 1)
     
-    assert True
+#     b1.update(
+#         {'speed': 3,
+#          'bearing': t0.heading_initial(t1),
+#          'lat': t1.lat,
+#          'lon': t1.lon,
+#          })
+    
+#     b1.server_update()
+
+#     print(b1)
+#     #b2.server_update(lat, lon, speed, bearing)    
+    
+#     assert True
 
 
+