def test_case(test, tests, index=0, subindex=0, quiet=False, section=None):
test, wanted_out, wanted = test.test, test.outs, test.result
def fail(why):
part, chapter, section = tests.part, tests.chapter, tests.section
print("%sTest failed: %s in %s / %s\n%s\n%s\n" %
(sep, section, part, chapter, test, why))
return False
if not quiet:
if section:
print("%s %s / %s %s" % (stars, tests.chapter, section, stars))
print("%4d (%2d): TEST %s" % (index, subindex, test))
feeder = SingleLineFeeder(test, "<test>")
evaluation = Evaluation(definitions,
catch_interrupt=False,
output=TestOutput())
try:
query = evaluation.parse_feeder(feeder)
if query is None:
# parsed expression is None
result = None
out = evaluation.out
else:
result = evaluation.evaluate(query)
out = result.out
result = result.result
except Exception as exc:
fail("Exception %s" % exc)
info = sys.exc_info()
sys.excepthook(*info)
return False
if not compare(result, wanted):
fail_msg = "Result: %s\nWanted: %s" % (result, wanted)
if out:
fail_msg += "\nAdditional output:\n"
fail_msg += "\n".join(str(o) for o in out)
return fail(fail_msg)
output_ok = True
if len(out) != len(wanted_out):
output_ok = False
else:
for got, wanted in zip(out, wanted_out):
if not got == wanted:
output_ok = False
break
if not output_ok:
return fail(
"Output:\n%s\nWanted:\n%s" %
("\n".join(str(o)
for o in out), "\n".join(str(o) for o in wanted_out)))
return True
def benchmark_expression(expression_string):
print(" '{0}'".format(expression_string))
expr = parse(definitions, SingleLineFeeder(expression_string))
timeit(lambda: expr.evaluate(evaluation))
def benchmark_format(expression_string):
print(" '{0}'".format(expression_string))
expr = parse(definitions, SingleLineFeeder(expression_string))
timeit(lambda: expr.default_format(evaluation, "FullForm"))
def benchmark_parse(expression_string):
print(" '{0}'".format(truncate_line(expression_string)))
timeit(lambda: parse(definitions, SingleLineFeeder(expression_string)))
def parse(self, query):
'Parse a single expression and print the messages.'
from mathics.core.parser import SingleLineFeeder
return self.parse_feeder(SingleLineFeeder(query))
def _evaluate(str_expression):
expr = parse(definitions, SingleLineFeeder(str_expression))
return expr.evaluate(evaluation)
def evaluate(self, str_expression, timeout=None, form=None):
expr = parse(self.definitions, SingleLineFeeder(str_expression))
if form is None:
form = self.form
self.last_result = expr.evaluate(self.evaluation)
return self.last_result
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import unittest
from mathics.core.expression import Expression, Integer, Rational, Symbol
from mathics.core.definitions import Definitions
from mathics.core.evaluation import Evaluation
from mathics.core.parser import SingleLineFeeder, parse
definitions = Definitions(add_builtin=True)
for i in range(1, 4):
evaluation = Evaluation(definitions=definitions, catch_interrupt=False)
expr = parse(definitions, SingleLineFeeder(f"<< GS{i}.m"))
expr.evaluate(evaluation)