Add pattern api and test

test_tjnetwork.py

@@ -1312,6 +1312,50 @@ class TestApi:
         self.leave(p)
 
 
+    def test_pattern(self):
+        p = 'test_demand'
+        self.enter(p)
+
+        assert is_pattern(p, 'p0') == False
+        p0 = get_pattern(p, 'p0')
+        assert p0['id'] == 'p0'
+        assert p0['factors'] == []
+
+        set_pattern(p, ChangeSet({'id' : 'p0', 'factors': [1.0, 2.0, 3.0]}))
+
+        assert is_pattern(p, 'p0')
+        p0 = get_pattern(p, 'p0')
+        assert p0['id'] == 'p0'
+        assert p0['factors'] == [1.0, 2.0, 3.0]
+
+        self.leave(p)
+
+
+    def test_pattern_op(self):
+        p = 'test_pattern_op'
+        self.enter(p)
+
+        cs = set_pattern(p, ChangeSet({'id' : 'p0', 'factors': [1.0, 2.0, 3.0]})).operations[0]
+        assert cs['operation'] == API_UPDATE
+        assert cs['type'] == PATTERN
+        assert cs['id'] == 'p0'
+        assert cs['factors'] == [1.0, 2.0, 3.0]
+
+        cs = execute_undo(p).operations[0]
+        assert cs['operation'] == API_UPDATE
+        assert cs['type'] == PATTERN
+        assert cs['id'] == 'p0'
+        assert cs['factors'] == []
+
+        cs = execute_redo(p).operations[0]
+        assert cs['operation'] == API_UPDATE
+        assert cs['type'] == PATTERN
+        assert cs['id'] == 'p0'
+        assert cs['factors'] == [1.0, 2.0, 3.0]
+
+        self.leave(p)
+
+
     def test_snapshot(self):
         p = "test_snapshot"
         self.enter(p)