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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright 2019 Hiroshi Murayama <opiopan@gmail.com>
import unittest
from gerberex.am_expression import *
from gerberex.am_expression import AMOperatorExpression as Op
from gerber.utils import inch, metric
from gerber.am_read import read_macro
class TestAMConstantExpression(unittest.TestCase):
def setUp(self):
self.const_int_value = 7
self.const_int = AMConstantExpression(self.const_int_value)
self.const_float_value = 1.2345
self.const_float = AMConstantExpression(self.const_float_value)
def test_contruct(self):
self.assertEqual(self.const_int.value, self.const_int_value)
self.assertEqual(self.const_float.value, self.const_float_value)
def test_optimize(self):
ov = self.const_int.optimize()
self.assertEqual(ov.value, self.const_int_value)
ov = self.const_float.optimize()
self.assertEqual(ov.value, self.const_float_value)
def test_to_gerber(self):
self.assertEqual(self.const_int.to_gerber(), '7')
self.assertEqual(self.const_float.to_gerber(), '1.2345')
def test_to_instructions(self):
self.const_int.to_instructions()
self.const_float.to_instructions()
class TestAMVariableExpression(unittest.TestCase):
def setUp(self):
self.var1_num = 1
self.var1 = AMVariableExpression(self.var1_num)
self.var2_num = 512
self.var2 = AMVariableExpression(self.var2_num)
def test_construction(self):
self.assertEqual(self.var1.number, self.var1_num)
self.assertEqual(self.var2.number, self.var2_num)
def test_optimize(self):
ov = self.var1.optimize()
self.assertTrue(isinstance(ov, AMVariableExpression))
self.assertEqual(ov.number, self.var1_num)
ov = self.var2.optimize()
self.assertTrue(isinstance(ov, AMVariableExpression))
self.assertEqual(ov.number, self.var2_num)
def test_to_gerber(self):
self.assertEqual(self.var1.to_gerber(), '$1')
self.assertEqual(self.var2.to_gerber(), '$512')
def test_to_instructions(self):
self.var1.to_instructions()
self.var2.to_instructions()
class TestAMOperatorExpression(unittest.TestCase):
def setUp(self):
self.c1 = 10
self.c2 = 20
self.v1 = 5
self.v2 = 9
c1 = AMConstantExpression(self.c1)
c2 = AMConstantExpression(self.c2)
v1 = AMVariableExpression(self.v1)
v2 = AMVariableExpression(self.v2)
self.cc_exps = [
(Op.ADD, AMOperatorExpression(Op.ADD, c1, c2)),
(Op.SUB, AMOperatorExpression(Op.SUB, c1, c2)),
(Op.MUL, AMOperatorExpression(Op.MUL, c1, c2)),
(Op.DIV, AMOperatorExpression(Op.DIV, c1, c2)),
]
self.cv_exps = [
(Op.ADD, AMOperatorExpression(Op.ADD, c1, v2)),
(Op.SUB, AMOperatorExpression(Op.SUB, c1, v2)),
(Op.MUL, AMOperatorExpression(Op.MUL, c1, v2)),
(Op.DIV, AMOperatorExpression(Op.DIV, c1, v2)),
]
self.vc_exps = [
(Op.ADD, AMOperatorExpression(Op.ADD, v1, c2)),
(Op.SUB, AMOperatorExpression(Op.SUB, v1, c2)),
(Op.MUL, AMOperatorExpression(Op.MUL, v1, c2)),
(Op.DIV, AMOperatorExpression(Op.DIV, v1, c2)),
]
self.composition = AMOperatorExpression(Op.ADD,
self.cc_exps[0][1], self.cc_exps[0][1])
def test_optimize(self):
self.assertEqual(self.cc_exps[0][1].optimize().value, self.c1 + self.c2)
self.assertEqual(self.cc_exps[1][1].optimize().value, self.c1 - self.c2)
self.assertEqual(self.cc_exps[2][1].optimize().value, self.c1 * self.c2)
self.assertEqual(self.cc_exps[3][1].optimize().value, self.c1 / self.c2)
for op, expression in self.cv_exps:
o = expression.optimize()
self.assertTrue(isinstance(o, AMOperatorExpression))
self.assertEqual(o.op, op)
self.assertEqual(o.lvalue.value, self.c1)
self.assertEqual(o.rvalue.number, self.v2)
for op, expression in self.vc_exps:
o = expression.optimize()
self.assertTrue(isinstance(o, AMOperatorExpression))
self.assertEqual(o.op, op)
self.assertEqual(o.lvalue.number, self.v1)
self.assertEqual(o.rvalue.value, self.c2)
self.assertEqual(self.composition.optimize().value, (self.c1 + self.c2) * 2)
def test_to_gerber(self):
for op, expression in self.cc_exps:
self.assertEqual(expression.to_gerber(),
'({0}){1}({2})'.format(self.c1, op, self.c2))
for op, expression in self.cv_exps:
self.assertEqual(expression.to_gerber(),
'({0}){1}(${2})'.format(self.c1, op, self.v2))
for op, expression in self.vc_exps:
self.assertEqual(expression.to_gerber(),
'(${0}){1}({2})'.format(self.v1, op, self.c2))
self.assertEqual(self.composition.to_gerber(),
'(({0})+({1}))+(({2})+({3}))'.format(
self.c1, self.c2, self.c1, self.c2
))
def test_to_instructions(self):
for of, expression in self.vc_exps + self.cv_exps + self.cc_exps:
expression.to_instructions()
self.composition.to_instructions()
class TestAMExpression(unittest.TestCase):
def setUp(self):
self.c1 = 10
self.c1_exp = AMConstantExpression(self.c1)
self.v1 = 5
self.v1_exp = AMVariableExpression(self.v1)
self.op_exp = AMOperatorExpression(Op.ADD, self.c1_exp, self.v1_exp)
def test_to_inch(self):
o = self.c1_exp.to_inch().optimize()
self.assertEqual(o.value, inch(self.c1))
o = self.v1_exp.to_inch().optimize()
self.assertTrue(isinstance(o, AMOperatorExpression))
self.assertEqual(o.op, Op.DIV)
o = self.op_exp.to_inch().optimize()
self.assertTrue(isinstance(o, AMOperatorExpression))
self.assertEqual(o.op, Op.DIV)
def test_to_metric(self):
o = self.c1_exp.to_metric().optimize()
self.assertEqual(o.value, metric(self.c1))
o = self.v1_exp.to_metric().optimize()
self.assertTrue(isinstance(o, AMOperatorExpression))
self.assertEqual(o.op, Op.MUL)
o = self.op_exp.to_metric().optimize()
self.assertTrue(isinstance(o, AMOperatorExpression))
self.assertEqual(o.op, Op.MUL)
class TestEvalMacro(unittest.TestCase):
def test_eval_macro(self):
macros = [
'$1=5.5*',
'$2=$3*',
'$3=(1.23)+(4.56)*',
'$3=(1.23)-(4.56)*',
'$3=(1.23)X(4.56)*',
'$3=(1.23)/(4.56)*',
'$3=(10.2)X($2)*',
'1,1.2*',
'1,$2*',
'1,($2)+($3)*',
#'1,(2.0)-($3)*', # This doesn't pass due to pcb-tools bug
'1,($2)X($3)*',
'1,($2)/($3)*',
'1,2.1,3.2*2,(3.1)/($1),$2*'
]
for macro in macros:
self._eval_macro_string(macro)
def _eval_macro_string(self, macro):
expressions = eval_macro(read_macro(macro))
gerber = self._to_gerber(expressions)
self.assertEqual(macro, gerber)
def _to_gerber(self, expressions_list):
gerber = ''
for number, expressions in expressions_list:
self.assertTrue(isinstance(number, int))
if number > 0:
egerbers = [exp.to_gerber() for exp in expressions]
gerber += '{0},{1}*'.format(number, ','.join(egerbers))
else:
self.assertEqual(len(expressions), 1)
gerber += '${0}={1}*'.format(-number, expressions[0].to_gerber())
return gerber
if __name__ == '__main__':
unittest.main()
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