Add curve api and test

test_tjnetwork.py

@@ -1313,7 +1313,7 @@ class TestApi:
 
 
     def test_pattern(self):
-        p = 'test_demand'
+        p = 'test_pattern'
         self.enter(p)
 
         assert is_pattern(p, 'p0') == False
@@ -1356,6 +1356,65 @@ class TestApi:
         self.leave(p)
 
 
+    def test_curve(self):
+        p = 'test_curve'
+        self.enter(p)
+
+        assert is_curve(p, 'c0') == False
+        c0 = get_curve(p, 'c0')
+        assert c0['id'] == 'c0'
+        assert c0['coords'] == []
+
+        set_curve(p, ChangeSet({'id' : 'c0', 'coords': [{'x': 1.0, 'y': 2.0}, {'x': 2.0, 'y': 1.0}]}))
+
+        assert is_curve(p, 'c0')
+        c0 = get_curve(p, 'c0')
+        assert c0['id'] == 'c0'
+        xys = c0['coords']
+        assert len(xys) == 2
+        assert xys[0]['x'] == 1.0
+        assert xys[0]['y'] == 2.0
+        assert xys[1]['x'] == 2.0
+        assert xys[1]['y'] == 1.0
+
+        self.leave(p)
+
+
+    def test_curve_op(self):
+        p = 'test_curve_op'
+        self.enter(p)
+
+        cs = set_curve(p, ChangeSet({'id' : 'c0', 'coords': [{'x': 1.0, 'y': 2.0}, {'x': 2.0, 'y': 1.0}]})).operations[0]
+        assert cs['operation'] == API_UPDATE
+        assert cs['type'] == CURVE
+        assert cs['id'] == 'c0'
+        xys = cs['coords']
+        assert len(xys) == 2
+        assert xys[0]['x'] == 1.0
+        assert xys[0]['y'] == 2.0
+        assert xys[1]['x'] == 2.0
+        assert xys[1]['y'] == 1.0
+
+        cs = execute_undo(p).operations[0]
+        assert cs['operation'] == API_UPDATE
+        assert cs['type'] == CURVE
+        assert cs['id'] == 'c0'
+        assert cs['coords'] == []
+
+        cs = execute_redo(p).operations[0]
+        assert cs['operation'] == API_UPDATE
+        assert cs['type'] == CURVE
+        assert cs['id'] == 'c0'
+        xys = cs['coords']
+        assert len(xys) == 2
+        assert xys[0]['x'] == 1.0
+        assert xys[0]['y'] == 2.0
+        assert xys[1]['x'] == 2.0
+        assert xys[1]['y'] == 1.0
+
+        self.leave(p)
+
+
     def test_snapshot(self):
         p = "test_snapshot"
         self.enter(p)