86 lines
3.4 KiB
Python
86 lines
3.4 KiB
Python
# Copyright 2021 The Pigweed Authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may not
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# use this file except in compliance with the License. You may obtain a copy of
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# the License at
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#
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations under
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# the License.
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"""Tests for pw_symbolizer's python tooling."""
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import unittest
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import pw_symbolizer
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class TestSymbolFormatting(unittest.TestCase):
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"""Tests Symbol objects to validate formatted output."""
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def test_blank_symbol(self):
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sym = pw_symbolizer.Symbol(address=0x00000000,
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name='',
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file='',
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line=0)
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self.assertEqual('??:?', sym.file_and_line())
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self.assertEqual('0x00000000 (??:?)', str(sym))
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def test_default_symbol(self):
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sym = pw_symbolizer.Symbol(address=0x0000a400)
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self.assertEqual('??:?', sym.file_and_line())
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self.assertEqual('0x0000A400 (??:?)', str(sym))
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def test_to_str(self):
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sym = pw_symbolizer.Symbol(address=0x12345678,
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name='idle_thread_context',
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file='device/system/threads.cc',
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line=59)
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self.assertEqual('device/system/threads.cc:59', sym.file_and_line())
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self.assertEqual('idle_thread_context (device/system/threads.cc:59)',
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str(sym))
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def test_truncated_filename(self):
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sym = pw_symbolizer.Symbol(address=0x12345678,
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name='idle_thread_context',
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file='device/system/threads.cc',
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line=59)
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self.assertEqual('idle_thread_context ([...]stem/threads.cc:59)',
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sym.to_string(max_filename_len=15))
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class TestFakeSymbolizer(unittest.TestCase):
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"""Tests the FakeSymbolizer class."""
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def test_empty_db(self):
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symbolizer = pw_symbolizer.FakeSymbolizer()
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symbol = symbolizer.symbolize(0x404)
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self.assertEqual(symbol.address, 0x404)
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self.assertEqual(symbol.name, '')
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self.assertEqual(symbol.file, '')
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def test_db_with_entries(self):
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known_symbols = (
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pw_symbolizer.Symbol(0x404, 'do_a_flip(int n)', 'source/tricks.cc',
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1403),
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pw_symbolizer.Symbol(0xffffffff, 'a_variable_here_would_be_funny',
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'source/globals.cc', 21),
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)
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symbolizer = pw_symbolizer.FakeSymbolizer(known_symbols)
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symbol = symbolizer.symbolize(0x404)
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self.assertEqual(symbol.address, 0x404)
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self.assertEqual(symbol.name, 'do_a_flip(int n)')
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self.assertEqual(symbol.file, 'source/tricks.cc')
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self.assertEqual(symbol.line, 1403)
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symbol = symbolizer.symbolize(0xffffffff)
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self.assertEqual(symbol.address, 0xffffffff)
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self.assertEqual(symbol.name, 'a_variable_here_would_be_funny')
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self.assertEqual(symbol.file, 'source/globals.cc')
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self.assertEqual(symbol.line, 21)
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if __name__ == '__main__':
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unittest.main()
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