111 lines
5.7 KiB
Python
111 lines
5.7 KiB
Python
"""Keep constrained CLI prose separate from commands and protocol replies."""
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from pathlib import Path
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import configparser
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import hashlib
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import json
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import os
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import re
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import shutil
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import subprocess
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import tempfile
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import unittest
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ROOT = Path(__file__).resolve().parents[1]
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FIXTURE = ROOT / 'test/fixtures/cli_reply_text.json'
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SELECTION = re.compile(
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r'MESH_CLI_REPLY_TEXT\(("(?:\\.|[^"\\])*"),\s*("(?:\\.|[^"\\])*")\)')
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TOKENS = re.compile(r'"(?:\\.|[^"\\])*"|\'(?:\\.|[^\'\\])*\'|'
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r'//[^\n]*|/\*.*?\*/|[A-Za-z_][A-Za-z_0-9]*|[^\s]', re.S)
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def original_tokens(source):
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source = re.sub(r'^#include [<"](?:helpers/)?CLIReplyText\.h[>"]\s*\n',
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'', source, flags=re.M)
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source = SELECTION.sub(lambda match: match.group(1), source)
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return '\n'.join(token.group() for token in TOKENS.finditer(source)
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if not token.group().startswith(('//', '/*'))).encode()
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class CliReplyTextTests(unittest.TestCase):
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def test_only_reviewed_human_literals_change_and_control_flow_stays_exact(self):
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fixture = json.loads(FIXTURE.read_text())
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self.assertEqual(fixture['schema'], 1)
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expected = {}
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for row in fixture['messages']:
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expected.setdefault(row['file'], set()).add((row['verbose'], row['concise']))
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old, new = row['verbose'], row['concise']
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self.assertLess(len(new), len(old))
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formats = r'%(?:[-+ #0]*[0-9.*]*[a-zA-Z]+|%)'
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self.assertEqual(re.findall(formats, old), re.findall(formats, new))
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category = r'^(Error|ERROR|ERR|Err|OK)(?=[: ,\-])'
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self.assertEqual(re.findall(category, old), re.findall(category, new))
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self.assertEqual(re.findall(r'\d+(?:\.\d+)?', old),
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re.findall(r'\d+(?:\.\d+)?', new))
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self.assertFalse(old.startswith(('> ', '{', 'KEYBACKUP ', 'ACK')))
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self.assertNotRegex(old.lower(),
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r'host|replay|password|login|save unconfirmed|reboot|'
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r'retained|default|warning|applying in|restore scheduled')
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if 'unchanged' in old:
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self.assertIn('sleep policy unchanged', old)
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self.assertIn('sleep policy unchanged', new)
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for file, messages in expected.items():
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source = (ROOT / file).read_text()
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actual = {(json.loads(match.group(1)), json.loads(match.group(2)))
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for match in SELECTION.finditer(source)}
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self.assertEqual(actual, messages, file)
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# Substituting each original literal recovers every original C++
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# token, including command tests, branches, calls and arguments.
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self.assertEqual(hashlib.sha256(original_tokens(source)).hexdigest(),
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fixture['noncompact_tokens_sha256'][file], file)
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def test_profile_activation_is_explicit_and_default_is_off(self):
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fixture = json.loads(FIXTURE.read_text())
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enabled = []
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for path in [ROOT / 'platformio.ini', *sorted((ROOT / 'variants').rglob('*.ini'))]:
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config = configparser.ConfigParser(interpolation=None, strict=False)
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config.read(path)
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for section in config.sections():
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if re.search(r'-D\s*MESH_CLI_COMPACT_REPLIES=1\b',
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config[section].get('build_flags', '')):
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self.assertTrue(section.startswith('env:'), str(path))
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enabled.append(section[4:])
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self.assertEqual(sorted(enabled), sorted(fixture['profiles']))
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header = (ROOT / 'src/helpers/CLIReplyText.h').read_text()
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self.assertIn('#ifndef MESH_CLI_COMPACT_REPLIES\n'
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'#define MESH_CLI_COMPACT_REPLIES 0', header)
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def test_actual_header_selects_exact_text_without_a_runtime_lookup(self):
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compiler = os.environ.get('CXX') or shutil.which('g++') or shutil.which('clang++')
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if not compiler:
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self.skipTest('host C++ compiler required')
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messages = json.loads(FIXTURE.read_text())['messages']
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selections = ',\n'.join('MESH_CLI_REPLY_TEXT(%s, %s)' %
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(json.dumps(row['verbose']), json.dumps(row['concise']))
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for row in messages)
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source = ('#include <CLIReplyText.h>\n#include <cstdio>\n'
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'int main(){const char* text[]={'+selections+'};'
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'for(const char* line:text)puts(line);}\n')
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with tempfile.TemporaryDirectory(prefix='cli-reply-text-') as folder:
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work = Path(folder)
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(work / 'test.cpp').write_text(source)
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for flag, key in ((None, 'verbose'), (0, 'verbose'), (1, 'concise')):
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flags = [] if flag is None else ['-DMESH_CLI_COMPACT_REPLIES='+str(flag)]
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built = subprocess.run([compiler, '-std=c++11', '-Os', '-Wall', '-Wextra',
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'-Werror', *flags, '-I'+str(ROOT / 'src/helpers'),
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str(work / 'test.cpp'), '-o', str(work / 'test')], capture_output=True)
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self.assertEqual(built.returncode, 0, built.stderr.decode(errors='replace'))
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result = subprocess.run([str(work / 'test')], capture_output=True)
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self.assertEqual(result.returncode, 0, result.stderr.decode(errors='replace'))
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self.assertEqual(result.stdout.decode().splitlines(),
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[row[key] for row in messages])
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if flag == 1:
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image = (work / 'test').read_bytes()
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selected = {row['concise'] for row in messages}
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for row in messages:
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if row['verbose'] not in selected:
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self.assertNotIn(row['verbose'].encode()+b'\0', image)
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if __name__ == '__main__':
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unittest.main()
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