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rewritetests.py
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rewritetests.py
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# Copyright 2016-2021 The Meson development team
# 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.
import subprocess
from itertools import zip_longest
import json
import os
from pathlib import Path
import shutil
import unittest
from mesonbuild.ast import IntrospectionInterpreter, AstIDGenerator
from mesonbuild.ast.printer import RawPrinter
from mesonbuild.mesonlib import windows_proof_rmtree
from .baseplatformtests import BasePlatformTests
class RewriterTests(BasePlatformTests):
def setUp(self):
super().setUp()
self.maxDiff = None
def prime(self, dirname):
if os.path.exists(self.builddir):
windows_proof_rmtree(self.builddir)
shutil.copytree(os.path.join(self.rewrite_test_dir, dirname), self.builddir)
def rewrite_raw(self, directory, args):
if isinstance(args, str):
args = [args]
command = self.rewrite_command + ['--verbose', '--skip', '--sourcedir', directory] + args
p = subprocess.run(command, capture_output=True, text=True, timeout=60)
print('STDOUT:')
print(p.stdout)
print('STDERR:')
print(p.stderr)
if p.returncode != 0:
if 'MESON_SKIP_TEST' in p.stdout:
raise unittest.SkipTest('Project requested skipping.')
raise subprocess.CalledProcessError(p.returncode, command, output=p.stdout)
if not p.stderr:
return {}
return json.loads(p.stderr)
def rewrite(self, directory, args):
if isinstance(args, str):
args = [args]
return self.rewrite_raw(directory, ['command'] + args)
def test_target_source_list(self):
self.prime('1 basic')
out = self.rewrite(self.builddir, os.path.join(self.builddir, 'info.json'))
expected = {
'target': {
'trivialprog0@exe': {'name': 'trivialprog0', 'sources': ['main.cpp', 'fileA.cpp', 'fileB.cpp', 'fileC.cpp'], 'extra_files': []},
'trivialprog1@exe': {'name': 'trivialprog1', 'sources': ['main.cpp', 'fileA.cpp'], 'extra_files': []},
'trivialprog2@exe': {'name': 'trivialprog2', 'sources': ['fileB.cpp', 'fileC.cpp'], 'extra_files': []},
'trivialprog3@exe': {'name': 'trivialprog3', 'sources': ['main.cpp', 'fileA.cpp'], 'extra_files': []},
'trivialprog4@exe': {'name': 'trivialprog4', 'sources': ['main.cpp', 'fileA.cpp'], 'extra_files': []},
'trivialprog5@exe': {'name': 'trivialprog5', 'sources': ['main.cpp', 'fileB.cpp', 'fileC.cpp'], 'extra_files': []},
'trivialprog6@exe': {'name': 'trivialprog6', 'sources': ['main.cpp', 'fileA.cpp'], 'extra_files': []},
'trivialprog7@exe': {'name': 'trivialprog7', 'sources': ['fileB.cpp', 'fileC.cpp', 'main.cpp', 'fileA.cpp'], 'extra_files': []},
'trivialprog8@exe': {'name': 'trivialprog8', 'sources': ['main.cpp', 'fileA.cpp'], 'extra_files': []},
'trivialprog9@exe': {'name': 'trivialprog9', 'sources': ['main.cpp', 'fileA.cpp'], 'extra_files': []},
}
}
self.assertDictEqual(out, expected)
def test_target_add_sources(self):
self.prime('1 basic')
out = self.rewrite(self.builddir, os.path.join(self.builddir, 'addSrc.json'))
expected = {
'target': {
'trivialprog0@exe': {'name': 'trivialprog0', 'sources': ['a1.cpp', 'a2.cpp', 'a6.cpp', 'fileA.cpp', 'main.cpp', 'a7.cpp', 'fileB.cpp', 'fileC.cpp'], 'extra_files': []},
'trivialprog1@exe': {'name': 'trivialprog1', 'sources': ['a1.cpp', 'a2.cpp', 'a6.cpp', 'fileA.cpp', 'main.cpp'], 'extra_files': []},
'trivialprog2@exe': {'name': 'trivialprog2', 'sources': ['a7.cpp', 'fileB.cpp', 'fileC.cpp'], 'extra_files': []},
'trivialprog3@exe': {'name': 'trivialprog3', 'sources': ['a5.cpp', 'fileA.cpp', 'main.cpp'], 'extra_files': []},
'trivialprog4@exe': {'name': 'trivialprog4', 'sources': ['a5.cpp', 'main.cpp', 'fileA.cpp'], 'extra_files': []},
'trivialprog5@exe': {'name': 'trivialprog5', 'sources': ['a3.cpp', 'main.cpp', 'a7.cpp', 'fileB.cpp', 'fileC.cpp'], 'extra_files': []},
'trivialprog6@exe': {'name': 'trivialprog6', 'sources': ['main.cpp', 'fileA.cpp', 'a4.cpp'], 'extra_files': []},
'trivialprog7@exe': {'name': 'trivialprog7', 'sources': ['fileB.cpp', 'fileC.cpp', 'a1.cpp', 'a2.cpp', 'a6.cpp', 'fileA.cpp', 'main.cpp'], 'extra_files': []},
'trivialprog8@exe': {'name': 'trivialprog8', 'sources': ['a1.cpp', 'a2.cpp', 'a6.cpp', 'fileA.cpp', 'main.cpp'], 'extra_files': []},
'trivialprog9@exe': {'name': 'trivialprog9', 'sources': ['a1.cpp', 'a2.cpp', 'a6.cpp', 'fileA.cpp', 'main.cpp'], 'extra_files': []},
}
}
self.assertDictEqual(out, expected)
# Check the written file
out = self.rewrite(self.builddir, os.path.join(self.builddir, 'info.json'))
self.assertDictEqual(out, expected)
def test_target_add_sources_abs(self):
self.prime('1 basic')
abs_src = [os.path.join(self.builddir, x) for x in ['a1.cpp', 'a2.cpp', 'a6.cpp']]
add = json.dumps([{"type": "target", "target": "trivialprog1", "operation": "src_add", "sources": abs_src}])
inf = json.dumps([{"type": "target", "target": "trivialprog1", "operation": "info"}])
self.rewrite(self.builddir, add)
out = self.rewrite(self.builddir, inf)
expected = {'target': {'trivialprog1@exe': {'name': 'trivialprog1', 'sources': ['a1.cpp', 'a2.cpp', 'a6.cpp', 'fileA.cpp', 'main.cpp'], 'extra_files': []}}}
self.assertDictEqual(out, expected)
def test_target_remove_sources(self):
self.prime('1 basic')
out = self.rewrite(self.builddir, os.path.join(self.builddir, 'rmSrc.json'))
expected = {
'target': {
'trivialprog0@exe': {'name': 'trivialprog0', 'sources': ['main.cpp', 'fileC.cpp'], 'extra_files': []},
'trivialprog1@exe': {'name': 'trivialprog1', 'sources': ['main.cpp'], 'extra_files': []},
'trivialprog2@exe': {'name': 'trivialprog2', 'sources': ['fileC.cpp'], 'extra_files': []},
'trivialprog3@exe': {'name': 'trivialprog3', 'sources': ['main.cpp'], 'extra_files': []},
'trivialprog4@exe': {'name': 'trivialprog4', 'sources': ['main.cpp'], 'extra_files': []},
'trivialprog5@exe': {'name': 'trivialprog5', 'sources': ['main.cpp', 'fileC.cpp'], 'extra_files': []},
'trivialprog6@exe': {'name': 'trivialprog6', 'sources': ['main.cpp'], 'extra_files': []},
'trivialprog7@exe': {'name': 'trivialprog7', 'sources': ['fileC.cpp', 'main.cpp'], 'extra_files': []},
'trivialprog8@exe': {'name': 'trivialprog8', 'sources': ['main.cpp'], 'extra_files': []},
'trivialprog9@exe': {'name': 'trivialprog9', 'sources': ['main.cpp'], 'extra_files': []},
}
}
self.assertDictEqual(out, expected)
# Check the written file
out = self.rewrite(self.builddir, os.path.join(self.builddir, 'info.json'))
self.assertDictEqual(out, expected)
def test_target_subdir(self):
self.prime('2 subdirs')
out = self.rewrite(self.builddir, os.path.join(self.builddir, 'addSrc.json'))
expected = {'name': 'something', 'sources': ['first.c', 'second.c', 'third.c'], 'extra_files': []}
self.assertDictEqual(list(out['target'].values())[0], expected)
# Check the written file
out = self.rewrite(self.builddir, os.path.join(self.builddir, 'info.json'))
self.assertDictEqual(list(out['target'].values())[0], expected)
def test_target_remove(self):
self.prime('1 basic')
self.rewrite(self.builddir, os.path.join(self.builddir, 'rmTgt.json'))
out = self.rewrite(self.builddir, os.path.join(self.builddir, 'info.json'))
expected = {
'target': {
'trivialprog2@exe': {'name': 'trivialprog2', 'sources': ['fileB.cpp', 'fileC.cpp'], 'extra_files': []},
'trivialprog3@exe': {'name': 'trivialprog3', 'sources': ['main.cpp', 'fileA.cpp'], 'extra_files': []},
'trivialprog4@exe': {'name': 'trivialprog4', 'sources': ['main.cpp', 'fileA.cpp'], 'extra_files': []},
'trivialprog5@exe': {'name': 'trivialprog5', 'sources': ['main.cpp', 'fileB.cpp', 'fileC.cpp'], 'extra_files': []},
'trivialprog6@exe': {'name': 'trivialprog6', 'sources': ['main.cpp', 'fileA.cpp'], 'extra_files': []},
'trivialprog7@exe': {'name': 'trivialprog7', 'sources': ['fileB.cpp', 'fileC.cpp', 'main.cpp', 'fileA.cpp'], 'extra_files': []},
'trivialprog8@exe': {'name': 'trivialprog8', 'sources': ['main.cpp', 'fileA.cpp'], 'extra_files': []},
}
}
self.assertDictEqual(out, expected)
def test_target_add(self):
self.prime('1 basic')
self.rewrite(self.builddir, os.path.join(self.builddir, 'addTgt.json'))
out = self.rewrite(self.builddir, os.path.join(self.builddir, 'info.json'))
expected = {
'target': {
'trivialprog0@exe': {'name': 'trivialprog0', 'sources': ['main.cpp', 'fileA.cpp', 'fileB.cpp', 'fileC.cpp'], 'extra_files': []},
'trivialprog1@exe': {'name': 'trivialprog1', 'sources': ['main.cpp', 'fileA.cpp'], 'extra_files': []},
'trivialprog2@exe': {'name': 'trivialprog2', 'sources': ['fileB.cpp', 'fileC.cpp'], 'extra_files': []},
'trivialprog3@exe': {'name': 'trivialprog3', 'sources': ['main.cpp', 'fileA.cpp'], 'extra_files': []},
'trivialprog4@exe': {'name': 'trivialprog4', 'sources': ['main.cpp', 'fileA.cpp'], 'extra_files': []},
'trivialprog5@exe': {'name': 'trivialprog5', 'sources': ['main.cpp', 'fileB.cpp', 'fileC.cpp'], 'extra_files': []},
'trivialprog6@exe': {'name': 'trivialprog6', 'sources': ['main.cpp', 'fileA.cpp'], 'extra_files': []},
'trivialprog7@exe': {'name': 'trivialprog7', 'sources': ['fileB.cpp', 'fileC.cpp', 'main.cpp', 'fileA.cpp'], 'extra_files': []},
'trivialprog8@exe': {'name': 'trivialprog8', 'sources': ['main.cpp', 'fileA.cpp'], 'extra_files': []},
'trivialprog9@exe': {'name': 'trivialprog9', 'sources': ['main.cpp', 'fileA.cpp'], 'extra_files': []},
'trivialprog10@sha': {'name': 'trivialprog10', 'sources': ['new1.cpp', 'new2.cpp'], 'extra_files': []},
}
}
self.assertDictEqual(out, expected)
def test_target_remove_subdir(self):
self.prime('2 subdirs')
self.rewrite(self.builddir, os.path.join(self.builddir, 'rmTgt.json'))
out = self.rewrite(self.builddir, os.path.join(self.builddir, 'info.json'))
self.assertDictEqual(out, {})
def test_target_add_subdir(self):
self.prime('2 subdirs')
self.rewrite(self.builddir, os.path.join(self.builddir, 'addTgt.json'))
out = self.rewrite(self.builddir, os.path.join(self.builddir, 'info.json'))
expected = {'name': 'something', 'sources': ['first.c', 'second.c'], 'extra_files': []}
self.assertDictEqual(out['target']['94b671c@@something@exe'], expected)
def test_target_source_sorting(self):
self.prime('5 sorting')
add_json = json.dumps([{'type': 'target', 'target': 'exe1', 'operation': 'src_add', 'sources': ['a666.c']}])
inf_json = json.dumps([{'type': 'target', 'target': 'exe1', 'operation': 'info'}])
out = self.rewrite(self.builddir, add_json)
out = self.rewrite(self.builddir, inf_json)
expected = {
'target': {
'exe1@exe': {
'name': 'exe1',
'sources': [
'aaa/a/a1.c',
'aaa/b/b1.c',
'aaa/b/b2.c',
'aaa/f1.c',
'aaa/f2.c',
'aaa/f3.c',
'bbb/a/b1.c',
'bbb/b/b2.c',
'bbb/c1/b5.c',
'bbb/c2/b7.c',
'bbb/c10/b6.c',
'bbb/a4.c',
'bbb/b3.c',
'bbb/b4.c',
'bbb/b5.c',
'a1.c',
'a2.c',
'a3.c',
'a10.c',
'a20.c',
'a30.c',
'a100.c',
'a101.c',
'a110.c',
'a210.c',
'a666.c',
'b1.c',
'c2.c'
],
'extra_files': []
}
}
}
self.assertDictEqual(out, expected)
def test_target_same_name_skip(self):
self.prime('4 same name targets')
out = self.rewrite(self.builddir, os.path.join(self.builddir, 'addSrc.json'))
out = self.rewrite(self.builddir, os.path.join(self.builddir, 'info.json'))
expected = {'name': 'myExe', 'sources': ['main.cpp'], 'extra_files': []}
self.assertEqual(len(out['target']), 2)
for val in out['target'].values():
self.assertDictEqual(expected, val)
def test_kwargs_info(self):
self.prime('3 kwargs')
out = self.rewrite(self.builddir, os.path.join(self.builddir, 'info.json'))
expected = {
'kwargs': {
'project#/': {'version': '0.0.1'},
'target#tgt1': {'build_by_default': True},
'dependency#dep1': {'required': False}
}
}
self.assertDictEqual(out, expected)
def test_kwargs_set(self):
self.prime('3 kwargs')
self.rewrite(self.builddir, os.path.join(self.builddir, 'set.json'))
out = self.rewrite(self.builddir, os.path.join(self.builddir, 'info.json'))
expected = {
'kwargs': {
'project#/': {'version': '0.0.2', 'meson_version': '0.50.0', 'license': ['GPL', 'MIT']},
'target#tgt1': {'build_by_default': False, 'build_rpath': '/usr/local', 'dependencies': 'dep1'},
'dependency#dep1': {'required': True, 'method': 'cmake'}
}
}
self.assertDictEqual(out, expected)
def test_kwargs_add(self):
self.prime('3 kwargs')
self.rewrite(self.builddir, os.path.join(self.builddir, 'add.json'))
out = self.rewrite(self.builddir, os.path.join(self.builddir, 'info.json'))
expected = {
'kwargs': {
'project#/': {'version': '0.0.1', 'license': ['GPL', 'MIT', 'BSD', 'Boost']},
'target#tgt1': {'build_by_default': True},
'dependency#dep1': {'required': False}
}
}
self.assertDictEqual(out, expected)
def test_kwargs_remove(self):
self.prime('3 kwargs')
self.rewrite(self.builddir, os.path.join(self.builddir, 'remove.json'))
out = self.rewrite(self.builddir, os.path.join(self.builddir, 'info.json'))
expected = {
'kwargs': {
'project#/': {'version': '0.0.1', 'license': 'GPL'},
'target#tgt1': {'build_by_default': True},
'dependency#dep1': {'required': False}
}
}
self.assertDictEqual(out, expected)
def test_kwargs_remove_regex(self):
self.prime('3 kwargs')
self.rewrite(self.builddir, os.path.join(self.builddir, 'remove_regex.json'))
out = self.rewrite(self.builddir, os.path.join(self.builddir, 'info.json'))
expected = {
'kwargs': {
'project#/': {'version': '0.0.1', 'default_options': 'debug=true'},
'target#tgt1': {'build_by_default': True},
'dependency#dep1': {'required': False}
}
}
self.assertDictEqual(out, expected)
def test_kwargs_delete(self):
self.prime('3 kwargs')
self.rewrite(self.builddir, os.path.join(self.builddir, 'delete.json'))
out = self.rewrite(self.builddir, os.path.join(self.builddir, 'info.json'))
expected = {
'kwargs': {
'project#/': {},
'target#tgt1': {},
'dependency#dep1': {'required': False}
}
}
self.assertDictEqual(out, expected)
def test_default_options_set(self):
self.prime('3 kwargs')
self.rewrite(self.builddir, os.path.join(self.builddir, 'defopts_set.json'))
out = self.rewrite(self.builddir, os.path.join(self.builddir, 'info.json'))
expected = {
'kwargs': {
'project#/': {'version': '0.0.1', 'default_options': ['buildtype=release', 'debug=True', 'cpp_std=c++11']},
'target#tgt1': {'build_by_default': True},
'dependency#dep1': {'required': False}
}
}
self.assertDictEqual(out, expected)
def test_default_options_delete(self):
self.prime('3 kwargs')
self.rewrite(self.builddir, os.path.join(self.builddir, 'defopts_delete.json'))
out = self.rewrite(self.builddir, os.path.join(self.builddir, 'info.json'))
expected = {
'kwargs': {
'project#/': {'version': '0.0.1', 'default_options': ['cpp_std=c++14', 'debug=true']},
'target#tgt1': {'build_by_default': True},
'dependency#dep1': {'required': False}
}
}
self.assertDictEqual(out, expected)
def test_target_add_extra_files(self):
self.prime('6 extra_files')
out = self.rewrite(self.builddir, os.path.join(self.builddir, 'addExtraFiles.json'))
expected = {
'target': {
'trivialprog0@exe': {'name': 'trivialprog0', 'sources': ['main.cpp'], 'extra_files': ['a1.hpp', 'a2.hpp', 'a6.hpp', 'fileA.hpp', 'main.hpp', 'a7.hpp', 'fileB.hpp', 'fileC.hpp']},
'trivialprog1@exe': {'name': 'trivialprog1', 'sources': ['main.cpp'], 'extra_files': ['a1.hpp', 'a2.hpp', 'a6.hpp', 'fileA.hpp', 'main.hpp']},
'trivialprog2@exe': {'name': 'trivialprog2', 'sources': ['main.cpp'], 'extra_files': ['a7.hpp', 'fileB.hpp', 'fileC.hpp']},
'trivialprog3@exe': {'name': 'trivialprog3', 'sources': ['main.cpp'], 'extra_files': ['a5.hpp', 'fileA.hpp', 'main.hpp']},
'trivialprog4@exe': {'name': 'trivialprog4', 'sources': ['main.cpp'], 'extra_files': ['a5.hpp', 'main.hpp', 'fileA.hpp']},
'trivialprog5@exe': {'name': 'trivialprog5', 'sources': ['main.cpp'], 'extra_files': ['a3.hpp', 'main.hpp', 'a7.hpp', 'fileB.hpp', 'fileC.hpp']},
'trivialprog6@exe': {'name': 'trivialprog6', 'sources': ['main.cpp'], 'extra_files': ['a1.hpp', 'a2.hpp', 'a6.hpp', 'fileA.hpp', 'main.hpp']},
'trivialprog7@exe': {'name': 'trivialprog7', 'sources': ['main.cpp'], 'extra_files': ['a1.hpp', 'a2.hpp', 'a6.hpp', 'fileA.hpp', 'main.hpp']},
'trivialprog8@exe': {'name': 'trivialprog8', 'sources': ['main.cpp'], 'extra_files': ['a2.hpp', 'a7.hpp']},
'trivialprog9@exe': {'name': 'trivialprog9', 'sources': ['main.cpp'], 'extra_files': ['a8.hpp', 'a9.hpp']},
'trivialprog10@exe': {'name': 'trivialprog10', 'sources': ['main.cpp'], 'extra_files': ['a1.hpp', 'a4.hpp']},
}
}
self.assertDictEqual(out, expected)
# Check the written file
out = self.rewrite(self.builddir, os.path.join(self.builddir, 'info.json'))
self.assertDictEqual(out, expected)
def test_target_remove_extra_files(self):
self.prime('6 extra_files')
out = self.rewrite(self.builddir, os.path.join(self.builddir, 'rmExtraFiles.json'))
expected = {
'target': {
'trivialprog0@exe': {'name': 'trivialprog0', 'sources': ['main.cpp'], 'extra_files': ['main.hpp', 'fileC.hpp']},
'trivialprog1@exe': {'name': 'trivialprog1', 'sources': ['main.cpp'], 'extra_files': ['main.hpp']},
'trivialprog2@exe': {'name': 'trivialprog2', 'sources': ['main.cpp'], 'extra_files': ['fileC.hpp']},
'trivialprog3@exe': {'name': 'trivialprog3', 'sources': ['main.cpp'], 'extra_files': ['main.hpp']},
'trivialprog4@exe': {'name': 'trivialprog4', 'sources': ['main.cpp'], 'extra_files': ['main.hpp']},
'trivialprog5@exe': {'name': 'trivialprog5', 'sources': ['main.cpp'], 'extra_files': ['main.hpp', 'fileC.hpp']},
'trivialprog6@exe': {'name': 'trivialprog6', 'sources': ['main.cpp'], 'extra_files': ['main.hpp']},
'trivialprog7@exe': {'name': 'trivialprog7', 'sources': ['main.cpp'], 'extra_files': ['main.hpp']},
'trivialprog8@exe': {'name': 'trivialprog8', 'sources': ['main.cpp'], 'extra_files': []},
'trivialprog9@exe': {'name': 'trivialprog9', 'sources': ['main.cpp'], 'extra_files': []},
'trivialprog10@exe': {'name': 'trivialprog10', 'sources': ['main.cpp'], 'extra_files': []},
}
}
self.assertDictEqual(out, expected)
# Check the written file
out = self.rewrite(self.builddir, os.path.join(self.builddir, 'info.json'))
self.assertDictEqual(out, expected)
def test_raw_printer_is_idempotent(self):
test_path = Path(self.unit_test_dir, '120 rewrite')
meson_build_file = test_path / 'meson.build'
# original_contents = meson_build_file.read_bytes()
original_contents = meson_build_file.read_text(encoding='utf-8')
interpreter = IntrospectionInterpreter(test_path, '', 'ninja', visitors = [AstIDGenerator()])
interpreter.analyze()
printer = RawPrinter()
interpreter.ast.accept(printer)
# new_contents = printer.result.encode('utf-8')
new_contents = printer.result
# Do it line per line because it is easier to debug like that
for orig_line, new_line in zip_longest(original_contents.splitlines(), new_contents.splitlines()):
self.assertEqual(orig_line, new_line)