def test_parse_var_sub_var(self):
indata = 'x[1] - y'
actual = parsing.parse_definition(indata)
x1 = parsing.ParsedVariable([['x', 1]])
y = parsing.ParsedVariable([['y']])
expected = parsing.ParsedBinOp([['-', x1, y]])
testname = 'parse_definition({0!r})'.format(indata)
print_test_message(testname, indata=indata, actual=actual, expected=expected)
self.assertEqual(actual, expected, 'Subtraction operator parsing failed')
def test_parse_integrated_2(self):
indata = '2-17.3*x / f(2.3, x[2:5])'
actual = parsing.parse_definition(indata)
x = parsing.ParsedVariable([['x']])
x25 = parsing.ParsedVariable([['x', slice(2, 5)]])
f = parsing.ParsedFunction([['f', 2.3, x25]])
dxf = parsing.ParsedBinOp([['/', x, f]])
m17p3dxf = parsing.ParsedBinOp([['*', 17.3, dxf]])
expected = parsing.ParsedBinOp([['-', 2, m17p3dxf]])
testname = 'parse_definition({0!r})'.format(indata)
print_test_message(testname, indata=indata, actual=actual, expected=expected)
self.assertEqual(actual, expected, 'Integrated #2 operator parsing failed')
def test_parse_pos_var(self):
indata = '+x[1]'
actual = parsing.parse_definition(indata)
expected = parsing.ParsedVariable([['x', 1]])
testname = 'parse_definition({0!r})'.format(indata)
print_test_message(testname, indata=indata, actual=actual, expected=expected)
self.assertEqual(actual, expected, 'Positive operator parsing failed')
def test_parse_var_slice_partial_3(self):
indata = 'x[::-1]'
actual = parsing.parse_definition(indata)
expected = parsing.ParsedVariable([['x', slice(None, None, -1)]])
testname = 'parse_definition({0!r})'.format(indata)
print_test_message(testname, indata=indata, actual=actual, expected=expected)
self.assertEqual(actual, expected, 'Variable parsing failed')
def test_parse_var_none_slice(self):
indata = 'x[,1:2:3]'
actual = parsing.parse_definition(indata)
expected = parsing.ParsedVariable([['x', None, slice(1, 2, 3)]])
testname = 'parse_definition({0!r})'.format(indata)
print_test_message(testname, indata=indata, actual=actual, expected=expected)
self.assertEqual(actual, expected, 'Variable parsing failed')
def test_parse_neg_var(self):
indata = '-x'
actual = parsing.parse_definition(indata)
x = parsing.ParsedVariable([['x']])
expected = parsing.ParsedUniOp([['-', x]])
testname = 'parse_definition({0!r})'.format(indata)
print_test_message(testname, indata=indata, actual=actual, expected=expected)
self.assertEqual(actual, expected, 'Negation parsing failed')
def test_varpst_init(self):
indata = (['x'], {})
pst = parsing.ParsedVariable(indata)
actual = type(pst)
expected = parsing.ParsedVariable
testname = 'ParsedVariable.__init__({0!r})'.format(indata)
print_test_message(testname, indata=indata, actual=actual, expected=expected)
self.assertEqual(actual, expected, 'Types do not match')
def test_parse_integrated_1(self):
indata = '2-17.3*x**2'
actual = parsing.parse_definition(indata)
x = parsing.ParsedVariable([['x']])
x2 = parsing.ParsedBinOp([['**', x, 2]])
m17p3x2 = parsing.ParsedBinOp([['*', 17.3, x2]])
expected = parsing.ParsedBinOp([['-', 2, m17p3x2]])
testname = 'parse_definition({0!r})'.format(indata)
print_test_message(testname, indata=indata, actual=actual, expected=expected)
self.assertEqual(actual, expected, 'Integrated #1 operator parsing failed')
