Coverage for tasks/tests/bmi_tests.py: 38%

1""" 

2camcops_server/tasks/tests/bmi_tests.py 

3 

4=============================================================================== 

5 

6 Copyright (C) 2012, University of Cambridge, Department of Psychiatry. 

7 Created by Rudolf Cardinal (rnc1001@cam.ac.uk). 

8 

9 This file is part of CamCOPS. 

10 

11 CamCOPS is free software: you can redistribute it and/or modify 

12 it under the terms of the GNU General Public License as published by 

13 the Free Software Foundation, either version 3 of the License, or 

14 (at your option) any later version. 

15 

16 CamCOPS is distributed in the hope that it will be useful, 

17 but WITHOUT ANY WARRANTY; without even the implied warranty of 

18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

19 GNU General Public License for more details. 

20 

21 You should have received a copy of the GNU General Public License 

22 along with CamCOPS. If not, see <https://www.gnu.org/licenses/>. 

23 

24=============================================================================== 

25 

26""" 

27 

28from unittest import TestCase 

29 

30from camcops_server.tasks.bmi import Bmi 

31 

32 

33class BmiTests(TestCase): 

34 def test_bmi_calculation_for_healthy_mass_and_height(self): 

35 bmi = Bmi() 

36 

37 bmi.mass_kg = 70.0 

38 bmi.height_m = 1.83 

39 

40 self.assertAlmostEqual(bmi.bmi(), 20.902, places=3) 

41 

42 def test_bmi_none_for_zero_height(self): 

43 bmi = Bmi() 

44 

45 bmi.mass_kg = 70.0 

46 bmi.height_m = 0 

47 

48 self.assertIsNone(bmi.bmi()) 

49 

50 def test_bmi_none_when_not_complete(self): 

51 bmi = Bmi() 

52 

53 self.assertIsNone(bmi.bmi())