| #!/usr/bin/env python |
| # |
| # Copyright (C) 2016 The Android Open Source Project |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| """Tests for gen_stub_libs.py.""" |
| import cStringIO |
| import textwrap |
| import unittest |
| |
| import gen_stub_libs as gsl |
| |
| |
| # pylint: disable=missing-docstring |
| |
| |
| class TagsTest(unittest.TestCase): |
| def test_get_tags_no_tags(self): |
| self.assertEqual([], gsl.get_tags('')) |
| self.assertEqual([], gsl.get_tags('foo bar baz')) |
| |
| def test_get_tags(self): |
| self.assertEqual(['foo', 'bar'], gsl.get_tags('# foo bar')) |
| self.assertEqual(['bar', 'baz'], gsl.get_tags('foo # bar baz')) |
| |
| def test_get_tag_value(self): |
| self.assertEqual('bar', gsl.get_tag_value('foo=bar')) |
| self.assertEqual('bar=baz', gsl.get_tag_value('foo=bar=baz')) |
| with self.assertRaises(ValueError): |
| gsl.get_tag_value('foo') |
| |
| |
| class PrivateVersionTest(unittest.TestCase): |
| def test_version_is_private(self): |
| self.assertFalse(gsl.version_is_private('foo')) |
| self.assertFalse(gsl.version_is_private('PRIVATE')) |
| self.assertFalse(gsl.version_is_private('PLATFORM')) |
| self.assertFalse(gsl.version_is_private('foo_private')) |
| self.assertFalse(gsl.version_is_private('foo_platform')) |
| self.assertFalse(gsl.version_is_private('foo_PRIVATE_')) |
| self.assertFalse(gsl.version_is_private('foo_PLATFORM_')) |
| |
| self.assertTrue(gsl.version_is_private('foo_PRIVATE')) |
| self.assertTrue(gsl.version_is_private('foo_PLATFORM')) |
| |
| |
| class SymbolPresenceTest(unittest.TestCase): |
| def test_symbol_in_arch(self): |
| self.assertTrue(gsl.symbol_in_arch([], 'arm')) |
| self.assertTrue(gsl.symbol_in_arch(['arm'], 'arm')) |
| |
| self.assertFalse(gsl.symbol_in_arch(['x86'], 'arm')) |
| |
| def test_symbol_in_api(self): |
| self.assertTrue(gsl.symbol_in_api([], 'arm', 9)) |
| self.assertTrue(gsl.symbol_in_api(['introduced=9'], 'arm', 9)) |
| self.assertTrue(gsl.symbol_in_api(['introduced=9'], 'arm', 14)) |
| self.assertTrue(gsl.symbol_in_api(['introduced-arm=9'], 'arm', 14)) |
| self.assertTrue(gsl.symbol_in_api(['introduced-arm=9'], 'arm', 14)) |
| self.assertTrue(gsl.symbol_in_api(['introduced-x86=14'], 'arm', 9)) |
| self.assertTrue(gsl.symbol_in_api( |
| ['introduced-arm=9', 'introduced-x86=21'], 'arm', 14)) |
| self.assertTrue(gsl.symbol_in_api( |
| ['introduced=9', 'introduced-x86=21'], 'arm', 14)) |
| self.assertTrue(gsl.symbol_in_api( |
| ['introduced=21', 'introduced-arm=9'], 'arm', 14)) |
| |
| self.assertFalse(gsl.symbol_in_api(['introduced=14'], 'arm', 9)) |
| self.assertFalse(gsl.symbol_in_api(['introduced-arm=14'], 'arm', 9)) |
| self.assertFalse(gsl.symbol_in_api(['future'], 'arm', 9)) |
| self.assertFalse(gsl.symbol_in_api( |
| ['introduced=9', 'future'], 'arm', 14)) |
| self.assertFalse(gsl.symbol_in_api( |
| ['introduced-arm=9', 'future'], 'arm', 14)) |
| self.assertFalse(gsl.symbol_in_api( |
| ['introduced-arm=21', 'introduced-x86=9'], 'arm', 14)) |
| self.assertFalse(gsl.symbol_in_api( |
| ['introduced=9', 'introduced-arm=21'], 'arm', 14)) |
| self.assertFalse(gsl.symbol_in_api( |
| ['introduced=21', 'introduced-x86=9'], 'arm', 14)) |
| |
| # Interesting edge case: this symbol should be omitted from the |
| # library, but this call should still return true because none of the |
| # tags indiciate that it's not present in this API level. |
| self.assertTrue(gsl.symbol_in_api(['x86'], 'arm', 9)) |
| |
| def test_verioned_in_api(self): |
| self.assertTrue(gsl.symbol_versioned_in_api([], 9)) |
| self.assertTrue(gsl.symbol_versioned_in_api(['versioned=9'], 9)) |
| self.assertTrue(gsl.symbol_versioned_in_api(['versioned=9'], 14)) |
| |
| self.assertFalse(gsl.symbol_versioned_in_api(['versioned=14'], 9)) |
| |
| |
| class OmitVersionTest(unittest.TestCase): |
| def test_omit_private(self): |
| self.assertFalse(gsl.should_omit_version('foo', [], 'arm', 9)) |
| |
| self.assertTrue(gsl.should_omit_version('foo_PRIVATE', [], 'arm', 9)) |
| self.assertTrue(gsl.should_omit_version('foo_PLATFORM', [], 'arm', 9)) |
| |
| def test_omit_arch(self): |
| self.assertFalse(gsl.should_omit_version('foo', [], 'arm', 9)) |
| self.assertFalse(gsl.should_omit_version('foo', ['arm'], 'arm', 9)) |
| |
| self.assertTrue(gsl.should_omit_version('foo', ['x86'], 'arm', 9)) |
| |
| def test_omit_api(self): |
| self.assertFalse(gsl.should_omit_version('foo', [], 'arm', 9)) |
| self.assertFalse( |
| gsl.should_omit_version('foo', ['introduced=9'], 'arm', 9)) |
| |
| self.assertTrue( |
| gsl.should_omit_version('foo', ['introduced=14'], 'arm', 9)) |
| |
| |
| class SymbolFileParseTest(unittest.TestCase): |
| def test_next_line(self): |
| input_file = cStringIO.StringIO(textwrap.dedent("""\ |
| foo |
| |
| bar |
| # baz |
| qux |
| """)) |
| parser = gsl.SymbolFileParser(input_file) |
| self.assertIsNone(parser.current_line) |
| |
| self.assertEqual('foo', parser.next_line().strip()) |
| self.assertEqual('foo', parser.current_line.strip()) |
| |
| self.assertEqual('bar', parser.next_line().strip()) |
| self.assertEqual('bar', parser.current_line.strip()) |
| |
| self.assertEqual('qux', parser.next_line().strip()) |
| self.assertEqual('qux', parser.current_line.strip()) |
| |
| self.assertEqual('', parser.next_line()) |
| self.assertEqual('', parser.current_line) |
| |
| def test_parse_version(self): |
| input_file = cStringIO.StringIO(textwrap.dedent("""\ |
| VERSION_1 { # foo bar |
| baz; |
| qux; # woodly doodly |
| }; |
| |
| VERSION_2 { |
| } VERSION_1; # asdf |
| """)) |
| parser = gsl.SymbolFileParser(input_file) |
| |
| parser.next_line() |
| version = parser.parse_version() |
| self.assertEqual('VERSION_1', version.name) |
| self.assertIsNone(version.base) |
| self.assertEqual(['foo', 'bar'], version.tags) |
| |
| expected_symbols = [ |
| gsl.Symbol('baz', []), |
| gsl.Symbol('qux', ['woodly', 'doodly']), |
| ] |
| self.assertEqual(expected_symbols, version.symbols) |
| |
| parser.next_line() |
| version = parser.parse_version() |
| self.assertEqual('VERSION_2', version.name) |
| self.assertEqual('VERSION_1', version.base) |
| self.assertEqual([], version.tags) |
| |
| def test_parse_version_eof(self): |
| input_file = cStringIO.StringIO(textwrap.dedent("""\ |
| VERSION_1 { |
| """)) |
| parser = gsl.SymbolFileParser(input_file) |
| parser.next_line() |
| with self.assertRaises(gsl.ParseError): |
| parser.parse_version() |
| |
| def test_unknown_scope_label(self): |
| input_file = cStringIO.StringIO(textwrap.dedent("""\ |
| VERSION_1 { |
| foo: |
| } |
| """)) |
| parser = gsl.SymbolFileParser(input_file) |
| parser.next_line() |
| with self.assertRaises(gsl.ParseError): |
| parser.parse_version() |
| |
| def test_parse_symbol(self): |
| input_file = cStringIO.StringIO(textwrap.dedent("""\ |
| foo; |
| bar; # baz qux |
| """)) |
| parser = gsl.SymbolFileParser(input_file) |
| |
| parser.next_line() |
| symbol = parser.parse_symbol() |
| self.assertEqual('foo', symbol.name) |
| self.assertEqual([], symbol.tags) |
| |
| parser.next_line() |
| symbol = parser.parse_symbol() |
| self.assertEqual('bar', symbol.name) |
| self.assertEqual(['baz', 'qux'], symbol.tags) |
| |
| def test_wildcard_symbol_global(self): |
| input_file = cStringIO.StringIO(textwrap.dedent("""\ |
| VERSION_1 { |
| *; |
| }; |
| """)) |
| parser = gsl.SymbolFileParser(input_file) |
| parser.next_line() |
| with self.assertRaises(gsl.ParseError): |
| parser.parse_version() |
| |
| def test_wildcard_symbol_local(self): |
| input_file = cStringIO.StringIO(textwrap.dedent("""\ |
| VERSION_1 { |
| local: |
| *; |
| }; |
| """)) |
| parser = gsl.SymbolFileParser(input_file) |
| parser.next_line() |
| version = parser.parse_version() |
| self.assertEqual([], version.symbols) |
| |
| def test_missing_semicolon(self): |
| input_file = cStringIO.StringIO(textwrap.dedent("""\ |
| VERSION_1 { |
| foo |
| }; |
| """)) |
| parser = gsl.SymbolFileParser(input_file) |
| parser.next_line() |
| with self.assertRaises(gsl.ParseError): |
| parser.parse_version() |
| |
| def test_parse_fails_invalid_input(self): |
| with self.assertRaises(gsl.ParseError): |
| input_file = cStringIO.StringIO('foo') |
| parser = gsl.SymbolFileParser(input_file) |
| parser.parse() |
| |
| def test_parse(self): |
| input_file = cStringIO.StringIO(textwrap.dedent("""\ |
| VERSION_1 { |
| local: |
| hidden1; |
| global: |
| foo; |
| bar; # baz |
| }; |
| |
| VERSION_2 { # wasd |
| # Implicit global scope. |
| woodly; |
| doodly; # asdf |
| local: |
| qwerty; |
| } VERSION_1; |
| """)) |
| parser = gsl.SymbolFileParser(input_file) |
| versions = parser.parse() |
| |
| expected = [ |
| gsl.Version('VERSION_1', None, [], [ |
| gsl.Symbol('foo', []), |
| gsl.Symbol('bar', ['baz']), |
| ]), |
| gsl.Version('VERSION_2', 'VERSION_1', ['wasd'], [ |
| gsl.Symbol('woodly', []), |
| gsl.Symbol('doodly', ['asdf']), |
| ]), |
| ] |
| |
| self.assertEqual(expected, versions) |
| |
| |
| class GeneratorTest(unittest.TestCase): |
| def test_omit_version(self): |
| # Thorough testing of the cases involved here is handled by |
| # OmitVersionTest, PrivateVersionTest, and SymbolPresenceTest. |
| src_file = cStringIO.StringIO() |
| version_file = cStringIO.StringIO() |
| generator = gsl.Generator(src_file, version_file, 'arm', 9) |
| |
| version = gsl.Version('VERSION_PRIVATE', None, [], [ |
| gsl.Symbol('foo', []), |
| ]) |
| generator.write_version(version) |
| self.assertEqual('', src_file.getvalue()) |
| self.assertEqual('', version_file.getvalue()) |
| |
| version = gsl.Version('VERSION', None, ['x86'], [ |
| gsl.Symbol('foo', []), |
| ]) |
| generator.write_version(version) |
| self.assertEqual('', src_file.getvalue()) |
| self.assertEqual('', version_file.getvalue()) |
| |
| version = gsl.Version('VERSION', None, ['introduced=14'], [ |
| gsl.Symbol('foo', []), |
| ]) |
| generator.write_version(version) |
| self.assertEqual('', src_file.getvalue()) |
| self.assertEqual('', version_file.getvalue()) |
| |
| def test_omit_symbol(self): |
| # Thorough testing of the cases involved here is handled by |
| # SymbolPresenceTest. |
| src_file = cStringIO.StringIO() |
| version_file = cStringIO.StringIO() |
| generator = gsl.Generator(src_file, version_file, 'arm', 9) |
| |
| version = gsl.Version('VERSION_1', None, [], [ |
| gsl.Symbol('foo', ['x86']), |
| ]) |
| generator.write_version(version) |
| self.assertEqual('', src_file.getvalue()) |
| self.assertEqual('', version_file.getvalue()) |
| |
| version = gsl.Version('VERSION_1', None, [], [ |
| gsl.Symbol('foo', ['introduced=14']), |
| ]) |
| generator.write_version(version) |
| self.assertEqual('', src_file.getvalue()) |
| self.assertEqual('', version_file.getvalue()) |
| |
| def test_write(self): |
| src_file = cStringIO.StringIO() |
| version_file = cStringIO.StringIO() |
| generator = gsl.Generator(src_file, version_file, 'arm', 9) |
| |
| versions = [ |
| gsl.Version('VERSION_1', None, [], [ |
| gsl.Symbol('foo', []), |
| gsl.Symbol('bar', ['var']), |
| ]), |
| gsl.Version('VERSION_2', 'VERSION_1', [], [ |
| gsl.Symbol('baz', []), |
| ]), |
| gsl.Version('VERSION_3', 'VERSION_1', [], [ |
| gsl.Symbol('qux', ['versioned=14']), |
| ]), |
| ] |
| |
| generator.write(versions) |
| expected_src = textwrap.dedent("""\ |
| void foo() {} |
| int bar = 0; |
| void baz() {} |
| void qux() {} |
| """) |
| self.assertEqual(expected_src, src_file.getvalue()) |
| |
| expected_version = textwrap.dedent("""\ |
| VERSION_1 { |
| global: |
| foo; |
| bar; |
| }; |
| VERSION_2 { |
| global: |
| baz; |
| } VERSION_1; |
| """) |
| self.assertEqual(expected_version, version_file.getvalue()) |
| |
| |
| class IntegrationTest(unittest.TestCase): |
| def test_integration(self): |
| input_file = cStringIO.StringIO(textwrap.dedent("""\ |
| VERSION_1 { |
| global: |
| foo; # var |
| bar; # x86 |
| local: |
| *; |
| }; |
| |
| VERSION_2 { # arm |
| baz; # introduced=9 |
| qux; # versioned=14 |
| } VERSION_1; |
| |
| VERSION_3 { # introduced=14 |
| woodly; |
| doodly; # var |
| } VERSION_2; |
| """)) |
| parser = gsl.SymbolFileParser(input_file) |
| versions = parser.parse() |
| |
| src_file = cStringIO.StringIO() |
| version_file = cStringIO.StringIO() |
| generator = gsl.Generator(src_file, version_file, 'arm', 9) |
| generator.write(versions) |
| |
| expected_src = textwrap.dedent("""\ |
| int foo = 0; |
| void baz() {} |
| void qux() {} |
| """) |
| self.assertEqual(expected_src, src_file.getvalue()) |
| |
| expected_version = textwrap.dedent("""\ |
| VERSION_1 { |
| global: |
| foo; |
| }; |
| VERSION_2 { |
| global: |
| baz; |
| } VERSION_1; |
| """) |
| self.assertEqual(expected_version, version_file.getvalue()) |
| |
| |
| def main(): |
| suite = unittest.TestLoader().loadTestsFromName(__name__) |
| unittest.TextTestRunner(verbosity=3).run(suite) |
| |
| |
| if __name__ == '__main__': |
| main() |