Tests for the place model

Pipfile

@@ -5,6 +5,7 @@ verify_ssl = true
 
 [dev-packages]
 pylint = "*"
+coverage = "*"
 
 [packages]
 django = "*"

lostplaces/lostplaces_app/models.py

@@ -9,6 +9,7 @@ import uuid
 from django.db import models
 from django.dispatch import receiver
 from django.contrib.auth.models import AbstractUser
+from django.core.validators import MaxValueValidator, MinValueValidator
 from easy_thumbnails.fields import ThumbnailerImageField
 from taggit.managers import TaggableManager
 
@@ -52,8 +53,18 @@ class Place (models.Model):
         related_name='places'
     )
     location = models.CharField(max_length=50)
-    latitude = models.FloatField()
-    longitude = models.FloatField()
+    latitude = models.FloatField(
+        validators=[
+            MinValueValidator(-90),
+            MaxValueValidator(90)
+        ]
+    )
+    longitude = models.FloatField(
+        validators=[
+            MinValueValidator(-180),
+            MaxValueValidator(180)
+        ]
+    )
     description = models.TextField()
 
     tags = TaggableManager(blank=True)

lostplaces/lostplaces_app/tests.py

@@ -1,8 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-
-''' Tests for the lostplaces_app. '''
-
-rom django.test import TestCase
-
-# Create your tests here.

lostplaces/lostplaces_app/tests/__init__.py

@@ -0,0 +1,30 @@
+from django.db import models
+from lostplaces_app.models import Explorer
+
+def mock_user():
+    explorer_list =  Explorer.objects.all()
+    if len(explorer_list) <= 0:
+        return Explorer.objects.create_user(
+            username='testpeter',
+            password='Develop123'
+        )
+    else:
+        return explorer_list[0]
+
+
+class TestSubmittable:
+
+    def test_submitted_when(self):
+        submitted_when = self.object._meta.get_field('submitted_when')
+        self.assertTrue(submitted_when)
+        self.assertEqual(type(submitted_when), models.DateTimeField)
+        self.assertTrue(submitted_when.auto_now_add)
+
+    def test_submitted_by(self):
+        submitted_by = self.object._meta.get_field('submitted_by')
+        self.assertTrue(submitted_by)
+        self.assertEqual(type(submitted_by), models.ForeignKey)
+        self.assertEqual(submitted_by.remote_field.related_name, 'places')
+        self.assertTrue(submitted_by.null)
+        self.assertTrue(submitted_by.blank)
+        self.assertEqual(submitted_by.remote_field.on_delete, models.SET_NULL)

lostplaces/lostplaces_app/tests/views/test_place_views.py

@@ -0,0 +1,199 @@
+import datetime
+
+from django.test import TestCase
+from django.db import models
+
+from lostplaces_app.models import Place
+from lostplaces_app.tests import mock_user, TestSubmittable
+
+from taggit.managers import TaggableManager
+
+def mock_place():
+    place = Place.objects.create(
+        name='Im a place',
+        submitted_when=datetime.datetime.now(),
+        submitted_by=mock_user(),
+        location='Testtown',
+        latitude=50.5,
+        longitude=7.0,
+        description='This is just a test, do not worry'
+    )
+    place.tags.add('I a tag', 'testlocation')
+
+    return place
+
+class ModelTest:
+    model_name = None
+
+    def _test_field(self, field_name, field_class):
+        field = self.place._meta.get_field(field_name)
+        self.assertTrue(
+            field,
+            msg="%s has no field named '%s'" % (
+                self.model_name,
+                field_name
+            )
+        )
+        self.assertEqual(
+            type(field), field_class, 
+            msg='%s.%s name field is no CharField' % (
+                self.model_name,
+                field_name
+            )
+        )
+        return field
+
+
+    def _test_char_field(self, field_name, min_length, max_length):
+        field = self._test_field(field_name, models.CharField)
+        self.assertEqual(
+            type(field), models.CharField, 
+            msg='%s.%s name field is no CharField' % (
+                self.model_name,
+                field_name
+            )
+        )
+        self.assertTrue(
+            field.max_length in range(min_length, max_length),
+            msg='%s.%s field max_length not in range of %d and %d' % (
+                self.model_name,
+                field_name,
+                min_length,
+                max_length
+                )
+        )
+    
+    def _test_float_field(self, field_name, min_value=None, max_value=None):
+        field = self._test_field(field_name, models.FloatField)
+        if min_value:
+            self.assertTrue(
+                len(field.validators) >= 1,
+                msg='%s.%s first validator should check minimum' % (
+                    self.model_name,
+                    field_name
+                    )
+                )
+            self.assertEqual(
+                field.validators[0].limit_value,
+                min_value,
+                msg='%s.%s min value missmatch' % (
+                    self.model_name,
+                    field_name
+                )
+            )
+        if max_value:
+            index = 0
+            if min_value:
+                index += 1
+            self.assertTrue(
+                len(field.validators) >= index+1,
+                msg='%s.%s second validator should check maximum' % (
+                    self.model_name,
+                    field_name
+                    )
+            )
+            self.assertEqual(
+                field.validators[1].limit_value,
+                max_value,
+                msg='%s.%s max value missmatch' % (
+                    self.model_name,
+                    field_name
+                )
+            )
+
+class PlaceTestCase(ModelTest, TestSubmittable, TestCase):
+    model_name = 'Place'
+
+    def setUp(self):
+        self.place = mock_place()
+        self.object = self.place
+
+    def test_name_field(self):
+        self._test_char_field(
+            field_name='name', 
+            min_length=10,
+            max_length=100
+        )
+
+    def test_location(self):
+        self._test_char_field(
+            field_name='location',
+            min_length=10,
+            max_length=100
+        )
+
+    def test_latitude(self):
+        self._test_float_field(
+            field_name='latitude', 
+            min_value=-90, 
+            max_value=90
+        )
+
+    def test_longitude(self):
+        self._test_float_field(
+            field_name='longitude',
+            min_value=-180, 
+            max_value=180
+        )
+
+    def test_decsription(self):
+        self._test_field('description', models.TextField)
+
+    def test_tags(self):
+        self._test_field('tags', TaggableManager)
+
+    def test_average_latlon(self):
+        place_list = []
+        for i in range(10):
+            place = mock_place()
+            place.latitude = i+1
+            place.longitude = i+10
+            place_list.append(place)
+
+        avg_latlon = Place.average_latlon(place_list)
+        self.assertEqual(avg_latlon[0], 5.5,
+            msg='%s: average latitude missmatch' % (
+                self.model_name
+            )
+        )
+        self.assertEqual(avg_latlon[1], 14.5,
+            msg='%s: average longitude missmatch' % (
+                self.model_name
+            )
+        )
+
+    def test_average_latlon_one_place(self):
+        place = mock_place()
+        avg_latlon = Place.average_latlon([place])
+        self.assertEqual(avg_latlon[0], place.latitude,
+            msg='%s:(one place) average latitude missmatch' % (
+                self.model_name
+            )
+        )
+        self.assertEqual(avg_latlon[1], place.longitude,
+            msg='%s: (one place) average longitude missmatch' % (
+                self.model_name
+            )
+        )
+
+    def test_average_latlon_no_places(self):
+        avg_latlon = Place.average_latlon([])
+        self.assertEqual(avg_latlon[0], 0,
+            msg='%s: (no places) average latitude missmatch' % (
+                self.model_name
+            )
+        )
+        self.assertEqual(avg_latlon[1], 0,
+            msg='%s: a(no places) verage longitude missmatch' % (
+                self.model_name
+            )
+        )
+
+    def test_str(self):
+        place = mock_place()
+        self.assertEqual(str(place), place.name,
+            msg='%s __str__ should return the name' % (
+                self.model_name
+            )
+
+        )