def test_solve_for_r0_multiple_units(self):
result = solenoid_convert(5, 27 * ureg.millimeter, None, 0.0045 * ureg.meter, "30", 0 * ureg.millimeter, 1.80131 * ureg.lbf, 350, 'millimeter')
self.assertAlmostEqual(result, 2.3, 2)
def formHandle(request):
data = {
'voltage': '',
'length': '',
'r0': '',
'ra': '',
'x': '',
'force': '',
'awg': '',
'compute': '',
'relative_permeability': '',
'length_unit': '',
'r0_unit': '',
'ra_unit': '',
'x_unit': '',
'force_unit': ''
}
if request.method == "POST":
form = DataSetForm(request.POST)
if form.is_valid():
data['voltage'] = form.cleaned_data['voltage']
data['length'] = form.cleaned_data['length']
data['r0'] = form.cleaned_data['r0']
data['ra'] = form.cleaned_data['ra']
data['x'] = form.cleaned_data['x']
data['force'] = form.cleaned_data['force']
data['awg'] = form.cleaned_data['awg']
data['compute'] = form.cleaned_data['compute']
data['relative_permeability'] = form.cleaned_data[
'relative_permeability']
data['length_unit'] = form.cleaned_data['length_unit']
data['r0_unit'] = form.cleaned_data['r0_unit']
data['ra_unit'] = form.cleaned_data['ra_unit']
data['x_unit'] = form.cleaned_data['x_unit']
data['force_unit'] = form.cleaned_data['force_unit']
# Use Pint to convert raw values to Unit Quantities to be used in conversion
data['length'] = data['length'] * ureg(data['length_unit'])
data['r0'] = data['r0'] * ureg(data['r0_unit'])
data['ra'] = data['ra'] * ureg(data['ra_unit'])
data['x'] = data['x'] * ureg(data['x_unit'])
data['force'] = data['force'] * ureg(data['force_unit'])
compute = data['compute']
data[compute] = None
if compute in ['length', 'r0', 'ra', 'x', 'force']:
output_unit = data[compute + "_unit"]
else:
output_unit = None
try:
data[compute] = solenoid_convert(data['voltage'],
data['length'], data['r0'],
data['ra'], data['awg'],
data['x'], data['force'],
data['relative_permeability'],
output_unit)
data[compute] = round(data[compute], sig_figs)
except NoSolution:
data[compute] = "No Solution Found"
for k, v in data.items():
data[k] = str(v)
return JsonResponse(data, safe=False)
def test_solve_for_length_multiple_units(self):
result = solenoid_convert(5, None, 0.09055118 * ureg.inch, 0.0045 * ureg.meter, "30", 0 * ureg.millimeter, 1.80131 * ureg.lbf, 350, 'millimeter')
self.assertAlmostEqual(result,27.0,2)
def test_solve_for_force_multiple_units(self):
result = solenoid_convert(5, 27 * ureg.millimeter, 0.09055118 * ureg.inch, 0.0045 * ureg.meter, "30", 0 * ureg.millimeter, None, 350, 'lbf')
self.assertAlmostEqual(result,1.8013,4) #Comparing the result to the pre-converted answer from newton to lbl
def test_solve_for_force_mm_n(self):
result = solenoid_convert(5, 27 * ureg.millimeter, 2.3 * ureg.millimeter, 4.5 * ureg.millimeter,"30", 0 * ureg.millimeter,None, 350, 'newton')
self.assertAlmostEqual(result,8.01266,4)
def test_permeability_with_different_units(self):
result = solenoid_convert(5, 27 * ureg.millimeter, 0.09055118 * ureg.inch, 0.0045 * ureg.meter, "30", 0 * ureg.centimeter, 1.80131 * ureg.lbf, None, None)
self.assertEqual(result,350)
def test_solve_for_length_nonzero_location(self):
result = solenoid_convert(5, None, 0.09055118 * ureg.inch, 4.5 * ureg.millimeter, "30", 0.05 * ureg.meter, 0.00550422 * ureg.lbf, 350, 'millimeter')
self.assertAlmostEqual(result,300.0,None,"Not equal",0.5)