Change string date to int date parsing

Also update tests

plugins/Construction.py

@@ -90,8 +90,8 @@ def node(self, data, tags):
         end_date = False
         if date:
             end_date = date
-        elif "timestamp" in data:
-            end_date = datetime.datetime.strptime(data["timestamp"][0:10], "%Y-%m-%d") + self.date_limit
+        elif "timestamp" in data and data["timestamp"] > 0:
+            end_date = datetime.datetime.fromtimestamp(data["timestamp"]) + self.date_limit
         else:
             return
 
@@ -171,15 +171,18 @@ def test(self):
     def test_timestamp(self):
         tags = {"construction": "yes"}
         for ts in ["2003-01-04", "1989-03-10"]:
-            self.check_err(self.p.node({"timestamp": ts}, tags), ts)
-        for ts in ["2078-01-04"]:
-            assert not self.p.node({"timestamp": ts}, tags), ts
+            ts_int = datetime.datetime.timestamp(datetime.datetime.strptime(ts,"%Y-%m-%d"))
+            self.check_err(self.p.node({"timestamp": ts_int}, tags), ts)
+        for ts in ["2078-01-04", str(datetime.datetime.today())[0:10]]:
+            ts_int = datetime.datetime.timestamp(datetime.datetime.strptime(ts,"%Y-%m-%d"))
+            assert not self.p.node({"timestamp": ts_int}, tags), ts
+        assert not self.p.node({"timestamp": 0}, tags)
 
     def test_recall(self):
         tags = {"construction": "yes"}
         today = datetime.datetime.today()
         td = datetime.timedelta(days=6 * 30)
         for i in range(5, 10, 1):
-            e = self.p.node({"timestamp": (today - i*td).strftime("%Y-%m-%d")}, tags)
+            e = self.p.node({"timestamp": datetime.datetime.timestamp(today - i*td)}, tags)
             self.check_err(e, i)
             assert e["subclass"] == i - 5