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773ef62406
This checks in the trapgen script generating trap entries in C++. The codegen suite has been slightly reorganized, moving the templates directory up one level and chopping everything into smaller bazel packages. Running tests is now done via ``` bazel run //swift/codegen/test ``` With respect to the PoC, the nested `codeql::trap` namespace has been dropped in favour of a `Trap` prefix (or suffix in case of entries) within the `codeql` namespace. Also, generated C++ code is not checked in in git any more, and generated during build. Finally, labels get printed in hex in the trap file. `TrapLabel` is for the moment only default-constructible, so only one single label is possible. `TrapArena`, that is responsible for creating disjoint labels will come in a later commit.
92 lines
2.7 KiB
Python
92 lines
2.7 KiB
Python
import sys
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import pathlib
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from unittest import mock
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import pytest
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from swift.codegen.lib import paths
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from swift.codegen.lib import render
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@pytest.fixture
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def pystache_renderer_cls():
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with mock.patch("pystache.Renderer") as ret:
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yield ret
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@pytest.fixture
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def pystache_renderer(pystache_renderer_cls):
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ret = mock.Mock()
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pystache_renderer_cls.side_effect = (ret,)
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return ret
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@pytest.fixture
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def sut(pystache_renderer):
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return render.Renderer()
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def test_constructor(pystache_renderer_cls, sut):
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pystache_init, = pystache_renderer_cls.mock_calls
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assert set(pystache_init.kwargs) == {'search_dirs', 'escape'}
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assert pystache_init.kwargs['search_dirs'] == str(paths.templates_dir)
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an_object = object()
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assert pystache_init.kwargs['escape'](an_object) is an_object
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assert sut.written == set()
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def test_render(pystache_renderer, sut):
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data = mock.Mock()
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output = mock.Mock()
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with mock.patch("builtins.open", mock.mock_open()) as output_stream:
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sut.render(data, output)
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assert pystache_renderer.mock_calls == [
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mock.call.render_name(data.template, data, generator=paths.exe_file, guard=None),
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]
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assert output_stream.mock_calls == [
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mock.call(output, 'w'),
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mock.call().__enter__(),
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mock.call().write(pystache_renderer.render_name.return_value),
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mock.call().__exit__(None, None, None),
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]
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assert sut.written == {output}
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def test_render_with_guard(pystache_renderer, sut):
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guard_base = pathlib.Path("test", "guard")
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data = mock.Mock()
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output = guard_base / "this" / "is" / "a" / "header.h"
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with mock.patch("builtins.open", mock.mock_open()) as output_stream:
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sut.render(data, output, guard_base=guard_base)
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assert pystache_renderer.mock_calls == [
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mock.call.render_name(data.template, data, generator=paths.exe_file, guard="THIS_IS_A_HEADER_H"),
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]
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def test_written(sut):
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data = [mock.Mock() for _ in range(4)]
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output = [mock.Mock() for _ in data]
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with mock.patch("builtins.open", mock.mock_open()) as output_stream:
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for d, o in zip(data, output):
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sut.render(d, o)
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assert sut.written == set(output)
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def test_cleanup(sut):
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data = [mock.Mock() for _ in range(4)]
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output = [mock.Mock() for _ in data]
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with mock.patch("builtins.open", mock.mock_open()) as output_stream:
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for d, o in zip(data, output):
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sut.render(d, o)
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expected_erased = [mock.Mock() for _ in range(3)]
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existing = set(expected_erased + output[2:])
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sut.cleanup(existing)
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for f in expected_erased:
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assert f.mock_calls == [mock.call.unlink(missing_ok=True)]
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for f in output:
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assert f.unlink.mock_calls == []
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if __name__ == '__main__':
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sys.exit(pytest.main())
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