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Diffstat (limited to 'tests/test_am_expression.py')
| -rw-r--r-- | tests/test_am_expression.py | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/tests/test_am_expression.py b/tests/test_am_expression.py new file mode 100644 index 0000000..6786cc3 --- /dev/null +++ b/tests/test_am_expression.py @@ -0,0 +1,207 @@ +#!/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() |