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#!/usr/bin/env python2
# Copyright (C) 2017 MongoDB Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License, version 3,
# as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
"""
Test cases for IDL Generator.
This file exists to verify code coverage for the generator.py file. To run code coverage, run in the
idl base directory:
$ coverage run run_tests.py && coverage html
"""
from __future__ import absolute_import, print_function, unicode_literals
import os
import unittest
# import package so that it works regardless of whether we run as a module or file
if __package__ is None:
import sys
sys.path.append(os.path.dirname(os.path.abspath(__file__)))
from context import idl
import testcase
else:
from .context import idl
from . import testcase
class TestGenerator(testcase.IDLTestcase):
"""Test the IDL Generator."""
def test_compile(self):
# type: () -> None
"""Exercise the code generator so code coverage can be measured."""
base_dir = os.path.dirname(
os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))))
src_dir = os.path.join(
base_dir,
'src',
)
idl_dir = os.path.join(src_dir, 'mongo', 'idl')
args = idl.compiler.CompilerArgs()
args.output_suffix = "_codecoverage_gen"
args.import_directories = [src_dir]
unittest_idl_file = os.path.join(idl_dir, 'unittest.idl')
if not os.path.exists(unittest_idl_file):
unittest.skip("Skipping IDL Generator testing since %s could not be found." %
(unittest_idl_file))
return
args.input_file = os.path.join(idl_dir, 'unittest_import.idl')
self.assertTrue(idl.compiler.compile_idl(args))
args.input_file = unittest_idl_file
self.assertTrue(idl.compiler.compile_idl(args))
def test_enum_non_const(self):
# type: () -> None
"""Validate enums are not marked as const in getters."""
header, _ = self.assert_generate("""
enums:
StringEnum:
description: "An example string enum"
type: string
values:
s0: "zero"
s1: "one"
s2: "two"
structs:
one_string_enum:
description: mock
fields:
value: StringEnum
""")
# Look for the getter.
# Make sure the getter is marked as const.
# Make sure the return type is not marked as const by validating the getter marked as const
# is the only occurrence of the word "const".
header_lines = header.split('\n')
found = False
for header_line in header_lines:
if header_line.find("getValue") > 0 \
and header_line.find("const {") > 0 \
and header_line.find("const {") == header_line.find("const"):
found = True
self.assertTrue(found, "Bad Header: " + header)
if __name__ == '__main__':
unittest.main()
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