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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright 2019 The ChromiumOS Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Tests for post_process_orderfile.py."""
import os
import shutil
import tempfile
import unittest
import post_process_orderfile
def _write_nm_file(name):
with open(name, "w") as out:
out.write("000001 s NotAValidSymbol1\n")
out.write("000002 S NotAValidSymbol2\n")
out.write("000010 t FirstValidSymbol\n")
out.write("000012 t \n")
out.write("000020 T Builtins_SecondValidSymbol\n")
out.write("000030 T $SymbolToIgnore\n")
out.write("000036 T Builtins_LastValidSymbol\n")
def _write_orderfile(name):
with open(name, "w") as out:
out.write("SymbolOrdered1\n")
out.write("$toignore.123\n")
out.write("SymbolOrdered2\n")
def _cleanup(files):
for f in files:
shutil.rmtree(f, ignore_errors=True)
class Tests(unittest.TestCase):
"""All of our tests for post_process_orderfile."""
# pylint: disable=protected-access
def test__parse_nm_output(self):
temp_dir = tempfile.mkdtemp()
self.addCleanup(_cleanup, [temp_dir])
chrome_nm_file = os.path.join(temp_dir, "chrome_nm.txt")
_write_nm_file(chrome_nm_file)
with open(chrome_nm_file) as f:
results = list(post_process_orderfile._parse_nm_output(f))
self.assertEqual(len(results), 3)
self.assertIn("FirstValidSymbol", results)
self.assertIn("Builtins_SecondValidSymbol", results)
self.assertIn("Builtins_LastValidSymbol", results)
def test__remove_duplicates(self):
duplicates = ["marker1", "marker2", "marker3", "marker2", "marker1"]
results = list(post_process_orderfile._remove_duplicates(duplicates))
self.assertEqual(results, ["marker1", "marker2", "marker3"])
def test_run(self):
temp_dir = tempfile.mkdtemp()
self.addCleanup(_cleanup, [temp_dir])
orderfile_input = os.path.join(temp_dir, "orderfile.in.txt")
orderfile_output = os.path.join(temp_dir, "orderfile.out.txt")
chrome_nm_file = os.path.join(temp_dir, "chrome_nm.txt")
_write_nm_file(chrome_nm_file)
_write_orderfile(orderfile_input)
with open(orderfile_input) as in_stream, open(
orderfile_output, "w"
) as out_stream, open(chrome_nm_file) as chrome_nm_stream:
post_process_orderfile.run(in_stream, chrome_nm_stream, out_stream)
with open(orderfile_output) as check:
results = [x.strip() for x in check.readlines()]
self.assertEqual(
results,
[
# Start marker should be put first.
"chrome_begin_ordered_code",
# Symbols in orderfile come next.
"SymbolOrdered1",
"SymbolOrdered2",
# Builtin functions in chrome_nm come next, and sorted.
"Builtins_LastValidSymbol",
"Builtins_SecondValidSymbol",
# Last symbol should be end marker.
"chrome_end_ordered_code",
],
)
if __name__ == "__main__":
unittest.main()
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