add test case for gif name setting

Author: ShisatoYano

test/test_global_xy_visualizer.py

@@ -67,9 +67,19 @@ def test_initialize():
     assert vis.x_lim != None
     assert vis.y_lim != None
     assert vis.time_params != None
+    assert vis.gif_name == None
     assert vis.show_plot == True
 
 
+def test_gif_name():
+    test_gif_name = "test.gif"
+
+    x_lim, y_lim = MockMinMax(), MockMinMax()
+    vis = GlobalXYVisualizer(x_lim, y_lim, MockTimeParameters(), gif_name=test_gif_name)
+
+    assert vis.gif_name == test_gif_name
+
+
 def test_draw():
     mock = MockObject()