bite 19

Author: [email protected]

.gitignore

@@ -16,3 +16,4 @@
 /117/README.md
 /64/README.md
 /128/README.md
+/19/README.md

19/simple_property.py

@@ -0,0 +1,27 @@
+from datetime import datetime
+
+NOW = datetime.now()
+
+# print(datetime.strptime("11-11-2018", "%d-%m-%Y")-NOW)
+
+
+class Promo:
+
+    def __init__(self, name, expiredate):
+        self.name = name
+        self.expiredate = expiredate.strftime("%d/%m/%Y")
+        self._expired = self.expired
+
+    @property
+    def expired(self):
+        return datetime.strptime(self.expiredate, "%d/%m/%Y") < NOW
+
+    @expired.setter
+    def expired(self, expiredate):
+        if expiredate-NOW < 0:
+            self.expired = 1
+        else:
+            self.expired = 0
+
+
+# print(Promo("dead", "22/12/2020").expired)

19/test_simple_property.py

@@ -0,0 +1,20 @@
+from datetime import timedelta
+import inspect
+
+from simple_property import Promo, NOW
+
+
+def test_promo_expired():
+    past_time = NOW - timedelta(seconds=3)
+    twitter_promo = Promo('twitter', past_time)
+    assert twitter_promo.expired
+
+
+def test_promo_not_expired():
+    future_date = NOW + timedelta(days=1)
+    newsletter_promo = Promo('newsletter', future_date)
+    assert not newsletter_promo.expired
+
+
+def test_uses_property():
+    assert 'property' in inspect.getsource(Promo)