def test_math(self):
from libcellml import Component
# appendMath(const std::string &math)
x = Component()
x.appendMath('More maths')
x.appendMath(' please!')
# std::string getMath()
self.assertEqual(x.getMath(), 'More maths please!')
x = Component()
self.assertEqual(x.getMath(), '')
# void setMath(const std::string &math)
x.setMath('bonjour')
self.assertEqual(x.getMath(), 'bonjour')
x.setMath('hola')
self.assertEqual(x.getMath(), 'hola')
' <apply><eq/>\n'\
' <ci>i_K</ci>\n'\
' <apply><times/>\n'\
' <apply><power/>\n'\
' <ci>n</ci>\n'\
' <cn cellml:units="dimensionless">4</cn>\n'\
' </apply>\n'\
' <ci>g_K</ci>\n'\
' <apply><minus/>\n'\
' <ci>V</ci>\n'\
' <ci>E_K</ci>\n'\
' </apply>\n'\
' </apply>\n'\
' </apply>\n'
k_channel_equations.setMath(math_header)
k_channel_equations.appendMath(equation_iK)
k_channel_equations.appendMath(math_footer)
# 2.c
# Once the mathematics has been added to the component, and the component to the
# model, we can make use of the diagnostic messages within the Validator class
# to tell us what else needs to be done.
# Create a Validator instance, and pass it your model for processing using the
# validateModel function.
validator = Validator()
validator.validateModel(model)
# end 2.c
# Calling the validator does not return anything: we have to go looking for issues
equation3 = \
'<apply>\
<eq/>\
<ci>i_Na</ci>\
<apply>\
<times/>\
<ci>Na_conductance</ci>\
<apply>\
<minus/>\
<ci>V</ci>\
<ci>E_Na</ci>\
</apply>\
</apply>\
</apply>'
sodium_channel.setMath(math_header)
sodium_channel.appendMath(equation1)
sodium_channel.appendMath(equation2)
sodium_channel.appendMath(equation3)
sodium_channel.appendMath(math_footer)
# 1.c Add the variables
if True:
V = Variable()
V.setName("V")
V.setUnits("mV")
sodium_channel.addVariable(V)
t = Variable()
t.setName("t")
t.setUnits("ms")
<bvar>\
<ci>t</ci>\
</bvar>\
<ci>x</ci>\
</apply>\
<apply><plus/>\
<apply><times/>\
<ci>a</ci>\
<ci>x</ci>\
</apply>\
<ci>b</ci>\
</apply>\
</apply>"
# 1.e Include the MathML strings in the component
component.setMath(math_header)
component.appendMath(equation)
component.appendMath(math_footer)
# 1.f Create a validator and use it to check the model so far
validator = Validator()
validator.validateModel(model)
print_errors_to_terminal(validator)
# 1.g Create some variables and add them to the component
time = Variable()
time.setName("t")
component.addVariable(time)
distance = Variable()
distance.setName("x")
' <apply><minus/>\n'\
' <apply><times/>\n'\
' <ci>alpha_X</ci>\n'\
' <apply><minus/>\n'\
' <cn cellml:units="dimensionless">1</cn>\n'\
' <ci>X</ci>\n'\
' </apply>\n'\
' </apply>\n'\
' <apply><times/>\n'\
' <ci>beta_X</ci>\n'\
' <ci>X</ci>\n'\
' </apply>\n'\
' </apply>\n'\
' </apply>\n'
gateEquations.setMath(math_header)
gateEquations.appendMath(equation)
gateEquations.appendMath(math_footer)
# 2.d
# Print the model to the terminal using the print_model helper function and
# check it is what you'd expect. Include the second argument as True so that
# the maths is included.
print_model(model, True)
# end 2
print('----------------------------------------------------------')
print(' STEP 3: Validate the model ')
print('----------------------------------------------------------')
