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feat: indie status page MVP -- FastAPI + SQLite

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- 8 DB models (services, incidents, monitors, subscribers, etc.)
- Full CRUD API for services, incidents, monitors
- Public status page with live data
- Incident detail page with timeline
- API key authentication
- Uptime monitoring scheduler
- 13 tests passing
- TECHNICAL_DESIGN.md with full spec
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IndieStatusBot 2026-04-25 05:00:00 +00:00
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venv/lib/python3.11/site-packages/mypy/test/testcheck.py Normal file
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"""Type checker test cases"""
from __future__ import annotations
import os
import re
import sys
import sysconfig
import tempfile
from pathlib import Path
from mypy import build
from mypy.errors import CompileError
from mypy.modulefinder import BuildSource, FindModuleCache, SearchPaths
from mypy.test.config import test_data_prefix, test_temp_dir
from mypy.test.data import DataDrivenTestCase, DataSuite, FileOperation, module_from_path
from mypy.test.helpers import (
assert_module_equivalence,
assert_string_arrays_equal,
assert_target_equivalence,
check_test_output_files,
find_test_files,
normalize_error_messages,
parse_options,
perform_file_operations,
remove_typevar_ids,
)
from mypy.test.update_data import update_testcase_output
try:
if sys.version_info >= (3, 14) and bool(sysconfig.get_config_var("Py_GIL_DISABLED")):
# lxml doesn't support free-threading yet
lxml = None
else:
import lxml # type: ignore[import-untyped]
except ImportError:
lxml = None
import pytest
# List of files that contain test case descriptions.
# Includes all check-* files with the .test extension in the test-data/unit directory
typecheck_files = find_test_files(pattern="check-*.test")
# Tests that use Python version specific features:
if sys.version_info < (3, 11):
typecheck_files.remove("check-python311.test")
if sys.version_info < (3, 12):
typecheck_files.remove("check-python312.test")
if sys.version_info < (3, 13):
typecheck_files.remove("check-python313.test")
if sys.version_info < (3, 14):
typecheck_files.remove("check-python314.test")
class TypeCheckSuite(DataSuite):
files = typecheck_files
def run_case(self, testcase: DataDrivenTestCase) -> None:
if os.path.basename(testcase.file) == "check-modules-case.test":
with tempfile.NamedTemporaryFile(prefix="test", dir=".") as temp_file:
temp_path = Path(temp_file.name)
if not temp_path.with_name(temp_path.name.upper()).exists():
pytest.skip("File system is not case-insensitive")
if lxml is None and os.path.basename(testcase.file) == "check-reports.test":
pytest.skip("Cannot import lxml. Is it installed?")
incremental = (
"incremental" in testcase.name.lower()
or "incremental" in testcase.file
or "serialize" in testcase.file
)
if incremental:
# Incremental tests are run once with a cold cache, once with a warm cache.
# Expect success on first run, errors from testcase.output (if any) on second run.
num_steps = max([2] + list(testcase.output2.keys()))
# Check that there are no file changes beyond the last run (they would be ignored).
for dn, dirs, files in os.walk(os.curdir):
for file in files:
m = re.search(r"\.([2-9])$", file)
if m and int(m.group(1)) > num_steps:
raise ValueError(
"Output file {} exists though test case only has {} runs".format(
file, num_steps
)
)
steps = testcase.find_steps()
for step in range(1, num_steps + 1):
idx = step - 2
ops = steps[idx] if idx < len(steps) and idx >= 0 else []
self.run_case_once(testcase, ops, step)
else:
self.run_case_once(testcase)
def _sort_output_if_needed(self, testcase: DataDrivenTestCase, a: list[str]) -> None:
idx = testcase.output_inline_start
if not testcase.files or idx == len(testcase.output):
return
def _filename(_msg: str) -> str:
return _msg.partition(":")[0]
file_weights = {file: idx for idx, file in enumerate(_filename(msg) for msg in a)}
testcase.output[idx:] = sorted(
testcase.output[idx:], key=lambda msg: file_weights.get(_filename(msg), -1)
)
def run_case_once(
self,
testcase: DataDrivenTestCase,
operations: list[FileOperation] | None = None,
incremental_step: int = 0,
) -> None:
if operations is None:
operations = []
original_program_text = "\n".join(testcase.input)
module_data = self.parse_module(original_program_text, incremental_step)
# Unload already loaded plugins, they may be updated.
for file, _ in testcase.files:
module = module_from_path(file)
if module.endswith("_plugin") and module in sys.modules:
del sys.modules[module]
if incremental_step == 0 or incremental_step == 1:
# In run 1, copy program text to program file.
for module_name, program_path, program_text in module_data:
if module_name == "__main__":
with open(program_path, "w", encoding="utf8") as f:
f.write(program_text)
break
elif incremental_step > 1:
# In runs 2+, copy *.[num] files to * files.
perform_file_operations(operations)
# Parse options after moving files (in case mypy.ini is being moved).
options = parse_options(original_program_text, testcase, incremental_step)
options.use_builtins_fixtures = True
options.show_traceback = True
options.native_parser = bool(os.environ.get("TEST_NATIVE_PARSER"))
options.reveal_verbose_types = not testcase.name.endswith("_no_verbose_reveal")
if options.num_workers:
options.fixed_format_cache = True
options.native_parser = True
if testcase.output_files:
raise pytest.skip("Reports are not supported in parallel mode")
# Note: do not use this unless really needed!
if testcase.name.endswith("_no_parallel"):
raise pytest.skip("Test not supported in parallel mode yet")
if options.native_parser and testcase.name.endswith("_no_native_parse"):
raise pytest.skip("Test not supported by native parser yet")
# Enable some options automatically based on test file name.
if "columns" in testcase.file:
options.show_column_numbers = True
if "errorcodes" in testcase.file:
options.hide_error_codes = False
if "abstract" not in testcase.file:
options.allow_empty_bodies = not testcase.name.endswith("_no_empty")
if incremental_step and options.incremental or options.num_workers > 0:
# Don't overwrite # flags: --no-incremental in incremental test cases
options.incremental = True
else:
options.incremental = False
# Don't waste time writing cache unless we are specifically looking for it
if not testcase.writescache:
options.cache_dir = os.devnull
sources = []
for module_name, program_path, program_text in module_data:
# Always set to None, so we're forced to reread the module in incremental mode
sources.append(
BuildSource(program_path, module_name, None if incremental_step else program_text)
)
plugin_dir = os.path.join(test_data_prefix, "plugins")
worker_env = None
if options.num_workers > 0:
worker_env = os.environ.copy()
# Make sure we are running tests with current worktree files, *not* with
# an installed version of mypy.
root_dir = os.path.dirname(os.path.dirname(os.path.dirname(__file__)))
worker_env["PYTHONPATH"] = os.pathsep.join([root_dir, plugin_dir])
worker_env["MYPY_TEST_PREFIX"] = root_dir
worker_env["MYPY_ALT_LIB_PATH"] = test_temp_dir
sys.path.insert(0, plugin_dir)
res = None
blocker = False
try:
res = build.build(
sources=sources, options=options, alt_lib_path=test_temp_dir, worker_env=worker_env
)
a = res.errors
except CompileError as e:
a = e.messages
blocker = True
finally:
assert sys.path[0] == plugin_dir
del sys.path[0]
if testcase.normalize_output:
a = normalize_error_messages(a)
# Make sure error messages match
if incremental_step < 2:
if incremental_step == 1:
msg = "Unexpected type checker output in incremental, run 1 ({}, line {})"
else:
assert incremental_step == 0
msg = "Unexpected type checker output ({}, line {})"
self._sort_output_if_needed(testcase, a)
output = testcase.output
else:
msg = (
f"Unexpected type checker output in incremental, run {incremental_step}"
+ " ({}, line {})"
)
output = testcase.output2.get(incremental_step, [])
if output != a and testcase.config.getoption("--update-data", False):
update_testcase_output(testcase, a, incremental_step=incremental_step)
if options.num_workers > 0:
# TypeVarIds are not stable in parallel checking, normalize.
a = remove_typevar_ids(a)
output = remove_typevar_ids(output)
assert_string_arrays_equal(output, a, msg.format(testcase.file, testcase.line))
if res:
if options.cache_dir != os.devnull:
self.verify_cache(module_data, res.manager, blocker, incremental_step)
name = "targets"
if incremental_step:
name += str(incremental_step + 1)
expected = testcase.expected_fine_grained_targets.get(incremental_step + 1)
actual = [
target
for module, target in res.manager.processed_targets
if module in testcase.test_modules
]
# TODO: check targets in parallel mode (e.g. per SCC).
if options.num_workers == 0 and expected is not None:
assert_target_equivalence(name, expected, actual)
if incremental_step > 1:
suffix = "" if incremental_step == 2 else str(incremental_step - 1)
expected_rechecked = testcase.expected_rechecked_modules.get(incremental_step - 1)
if expected_rechecked is not None:
assert_module_equivalence(
"rechecked" + suffix, expected_rechecked, res.manager.rechecked_modules
)
expected_stale = testcase.expected_stale_modules.get(incremental_step - 1)
if expected_stale is not None:
assert_module_equivalence(
"stale" + suffix, expected_stale, res.manager.stale_modules
)
res.manager.metastore.close()
if testcase.output_files:
check_test_output_files(testcase, incremental_step, strip_prefix="tmp/")
def verify_cache(
self,
module_data: list[tuple[str, str, str]],
manager: build.BuildManager,
blocker: bool,
step: int,
) -> None:
if not blocker:
# There should be valid cache metadata for each module except
# in case of a blocking error in themselves or one of their
# dependencies.
modules = self.find_module_files(manager)
modules.update({module_name: path for module_name, path, text in module_data})
missing_paths = self.find_missing_cache_files(modules, manager)
if missing_paths:
raise AssertionError(f"cache data missing for {missing_paths} on run {step}")
assert os.path.isfile(os.path.join(manager.options.cache_dir, ".gitignore"))
cachedir_tag = os.path.join(manager.options.cache_dir, "CACHEDIR.TAG")
assert os.path.isfile(cachedir_tag)
with open(cachedir_tag) as f:
assert f.read().startswith("Signature: 8a477f597d28d172789f06886806bc55")
def find_module_files(self, manager: build.BuildManager) -> dict[str, str]:
return {id: module.path for id, module in manager.modules.items()}
def find_missing_cache_files(
self, modules: dict[str, str], manager: build.BuildManager
) -> set[str]:
ignore_errors = True
missing = {}
for id, path in modules.items():
meta, _ = build.find_cache_meta(id, path, manager)
if not build.validate_meta(meta, id, path, ignore_errors, manager):
missing[id] = path
return set(missing.values())
def parse_module(
self, program_text: str, incremental_step: int = 0
) -> list[tuple[str, str, str]]:
"""Return the module and program names for a test case.
Normally, the unit tests will parse the default ('__main__')
module and follow all the imports listed there. You can override
this behavior and instruct the tests to check multiple modules
by using a comment like this in the test case input:
# cmd: mypy -m foo.bar foo.baz
You can also use `# cmdN:` to have a different cmd for incremental
step N (2, 3, ...).
Return a list of tuples (module name, file name, program text).
"""
m = re.search("# cmd: mypy -m ([a-zA-Z0-9_. ]+)$", program_text, flags=re.MULTILINE)
if incremental_step > 1:
alt_regex = f"# cmd{incremental_step}: mypy -m ([a-zA-Z0-9_. ]+)$"
alt_m = re.search(alt_regex, program_text, flags=re.MULTILINE)
if alt_m is not None:
# Optionally return a different command if in a later step
# of incremental mode, otherwise default to reusing the
# original cmd.
m = alt_m
if m:
# The test case wants to use a non-default main
# module. Look up the module and give it as the thing to
# analyze.
module_names = m.group(1)
out = []
search_paths = SearchPaths((test_temp_dir,), (), (), ())
cache = FindModuleCache(search_paths, fscache=None, options=None)
for module_name in module_names.split(" "):
path = cache.find_module(module_name)
assert isinstance(path, str), f"Can't find ad hoc case file: {module_name}"
with open(path, encoding="utf8") as f:
program_text = f.read()
out.append((module_name, path, program_text))
return out
else:
return [("__main__", "main", program_text)]