Fix unit tests (#62)

tests/lib/test_prices.py

@@ -2,6 +2,7 @@
 
 import unittest2
 import mock
+from unittest.mock import patch
 from api.lib.prices import *
 from tests.factories import (
     DesignerFactory,
@@ -42,6 +43,12 @@ standard_canvas = Material(name="standard-canvas", price=79920)
 
 
 class TestPrice(unittest2.TestCase):
+
+    def setUp(self) -> None:
+        price_adjustments_patcher = patch('api.lib.prices.get_price_adjustment', return_value=1.0)
+        price_adjustments_patcher.start()
+        self.addCleanup(price_adjustments_patcher.stop)
+
     def test_m2_price(self):
         self.assertEqual(
             236,
@@ -179,11 +186,11 @@ class TestPrice(unittest2.TestCase):
 
     def test_wallpaper_price_us(self):
         self.assertEqual(
-            60,
+            30,
             wallpaper_price(
                 width=100, height=100, material=standard_wallpaper, market=us
             ),
-            "Minium price for US is 2 sqm",
+            "Minimum price for US is 1 sqm - old 2 sqm requirement is removed",
         )
 
     def test_wallpaper_custom_inquiry_price(self):
@@ -260,3 +267,17 @@ class TestPrice(unittest2.TestCase):
         self.assertEqual(179.0, wallpaper_kit_price(market=sweden, rounded=False, inc_vat=True))
         self.assertEqual(18.0, wallpaper_kit_price(market=us))
         self.assertEqual(169.0, wallpaper_kit_price(market=denmark))
+
+
+class TestPriceWithPriceAdjustment(unittest2.TestCase):
+
+    def test_m2_price_with_price_adjustment(self):
+        patcher = patch('api.lib.prices.get_price_adjustment', return_value=1.1275)
+        patcher.start()
+        self.assertEqual(
+            37, # round(23600/100.0 * 0.1 * 1.15 * 1.1275 * 1.21) = round(37,0264235) = 37
+            wallpaper_m2_price(
+                material=standard_wallpaper, market=nl, inc_vat=True
+            ),
+        )
+        patcher.stop()