seitime-frappe/frappe/test_runner.py
David Arnold a26afa14a7
refactor: Improve Test runner 2c (#27986)
* refactor: use pathlib for file operations

* feat: Add caching to get_dependencies and get_modules functions
2024-10-04 21:56:46 +02:00

594 lines
16 KiB
Python

# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
# License: MIT. See LICENSE
"""
This module provides functionality for running tests in Frappe applications.
It includes utilities for running tests for specific doctypes, modules, or entire applications,
as well as functions for creating and managing test records.
"""
from __future__ import annotations
import cProfile
import importlib
import json
import logging
import os
import pstats
import sys
import time
import unittest
from dataclasses import dataclass
from functools import cache
from importlib import reload
from io import StringIO
from pathlib import Path
from typing import Optional, Union
import frappe
import frappe.utils.scheduler
from frappe.model.naming import revert_series_if_last
from frappe.modules import get_module_name, load_doctype_module
from frappe.utils import cint
unittest_runner = unittest.TextTestRunner
SLOW_TEST_THRESHOLD = 2
class TestRunnerError(Exception):
"""Custom exception for test runner errors"""
pass
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)
@dataclass
class TestConfig:
"""Configuration class for test runner"""
verbose: bool = False
profile: bool = False
failfast: bool = False
junit_xml_output: bool = False
tests: tuple = ()
case: str | None = None
pdb_on_exceptions: tuple | None = None
def xmlrunner_wrapper(output):
"""Convenience wrapper to keep method signature unchanged for XMLTestRunner and TextTestRunner"""
try:
import xmlrunner
except ImportError:
print("Development dependencies are required to execute this command. To install run:")
print("$ bench setup requirements --dev")
raise
def _runner(*args, **kwargs):
kwargs["output"] = output
return xmlrunner.XMLTestRunner(*args, **kwargs)
return _runner
def main(
site: str | None = None,
app: str | None = None,
module: str | None = None,
doctype: str | None = None,
module_def: str | None = None,
verbose: bool = False,
tests: tuple = (),
force: bool = False,
profile: bool = False,
junit_xml_output: str | None = None,
doctype_list_path: str | None = None,
failfast: bool = False,
case: str | None = None,
skip_test_records: bool = False,
skip_before_tests: bool = False,
pdb_on_exceptions: bool = False,
) -> None:
"""Main function to run tests"""
global unittest_runner
test_config = TestConfig(
verbose=verbose,
profile=profile,
failfast=failfast,
junit_xml_output=bool(junit_xml_output),
tests=tests,
case=case,
pdb_on_exceptions=pdb_on_exceptions,
)
_initialize_test_environment(site, skip_before_tests, skip_test_records, test_config)
xml_output_file = _setup_xml_output(junit_xml_output)
try:
scheduler_disabled_by_user = _disable_scheduler_if_needed()
if not frappe.flags.skip_before_tests:
_run_before_test_hooks(test_config, app)
if doctype or doctype_list_path:
doctype = _load_doctype_list(doctype_list_path) if doctype_list_path else doctype
test_result = _run_doctype_tests(doctype, test_config, force)
elif module_def:
test_result = _run_module_def_tests(app, module_def, test_config, force)
elif module:
test_result = _run_module_tests(module, test_config)
else:
test_result = _run_all_tests(app, test_config)
_cleanup_after_tests(scheduler_disabled_by_user)
return test_result
finally:
if xml_output_file:
xml_output_file.close()
def _initialize_test_environment(site, skip_before_tests, skip_test_records, test_config):
"""Initialize the test environment"""
frappe.init(site)
if not frappe.db:
frappe.connect()
frappe.flags.skip_before_tests = skip_before_tests
frappe.flags.skip_test_records = skip_test_records
# Set various test-related flags
frappe.flags.print_messages = test_config.verbose
frappe.flags.in_test = True
frappe.clear_cache()
def _setup_xml_output(junit_xml_output):
"""Setup XML output for test results if specified"""
global unittest_runner
if junit_xml_output:
xml_output_file = open(junit_xml_output, "wb")
unittest_runner = xmlrunner_wrapper(xml_output_file)
return xml_output_file
else:
unittest_runner = unittest.TextTestRunner
return None
def _disable_scheduler_if_needed():
"""Disable scheduler if it's not already disabled"""
scheduler_disabled_by_user = frappe.utils.scheduler.is_scheduler_disabled(verbose=False)
if not scheduler_disabled_by_user:
frappe.utils.scheduler.disable_scheduler()
return scheduler_disabled_by_user
def _run_before_test_hooks(test_config, app):
"""Run 'before_tests' hooks if not skipped by the caller"""
if test_config.verbose:
print('Running "before_tests" hooks')
for hook_function in frappe.get_hooks("before_tests", app_name=app):
frappe.get_attr(hook_function)()
def _load_doctype_list(doctype_list_path):
"""Load the list of doctypes from the specified file"""
app, path = doctype_list_path.split(os.path.sep, 1)
with open(frappe.get_app_path(app, path)) as f:
return f.read().strip().splitlines()
def _run_module_def_tests(app, module_def, test_config, force):
"""Run tests for the specified module definition"""
doctypes = _get_doctypes_for_module_def(app, module_def)
return _run_doctype_tests(doctypes, test_config, force)
def _get_doctypes_for_module_def(app, module_def):
"""Get the list of doctypes for the specified module definition"""
doctypes = []
doctypes_ = frappe.get_list(
"DocType",
filters={"module": module_def, "istable": 0},
fields=["name", "module"],
as_list=True,
)
for doctype, module in doctypes_:
test_module = get_module_name(doctype, module, "test_", app=app)
try:
importlib.import_module(test_module)
doctypes.append(doctype)
except Exception:
pass
return doctypes
def _cleanup_after_tests(scheduler_disabled_by_user):
"""Perform cleanup operations after running tests"""
if not scheduler_disabled_by_user:
frappe.utils.scheduler.enable_scheduler()
if frappe.db:
frappe.db.commit()
frappe.clear_cache()
class TimeLoggingTestResult(unittest.TextTestResult):
"""Custom TestResult class for logging test execution time"""
def startTest(self, test):
self._started_at = time.monotonic()
super().startTest(test)
def addSuccess(self, test):
elapsed = time.monotonic() - self._started_at
name = self.getDescription(test)
if elapsed >= SLOW_TEST_THRESHOLD:
self.stream.write(f"\n{name} ({elapsed:.03}s)\n")
super().addSuccess(test)
def _run_all_tests(app: str | None, config: TestConfig) -> unittest.TestResult:
"""Run all tests for the specified app or all installed apps"""
apps = [app] if app else frappe.get_installed_apps()
test_suite = unittest.TestSuite()
for app in apps:
app_path = Path(frappe.get_app_path(app))
for path in app_path.rglob("test_*.py"):
if path.name != "test_runner.py":
relative_path = path.relative_to(app_path)
if not any(
part in relative_path.parts for part in ["locals", ".git", "public", "__pycache__"]
):
_add_test(app_path, path, config.verbose, test_suite)
runner = unittest_runner(
resultclass=TimeLoggingTestResult if not config.junit_xml_output else None,
verbosity=1 + cint(config.verbose),
failfast=config.failfast,
tb_locals=config.verbose,
)
if config.profile:
pr = cProfile.Profile()
pr.enable()
out = runner.run(test_suite)
if config.profile:
pr.disable()
s = StringIO()
pstats.Stats(pr, stream=s).sort_stats("cumulative").print_stats()
print(s.getvalue())
return out
def _run_doctype_tests(doctypes, config: TestConfig, force=False):
"""Run tests for the specified doctype(s)"""
try:
modules = []
doctypes = [doctypes] if not isinstance(doctypes, list | tuple) else doctypes
for doctype in doctypes:
module = frappe.db.get_value("DocType", doctype, "module")
if not module:
raise TestRunnerError(f"Invalid doctype {doctype}")
test_module = get_module_name(doctype, module, "test_")
if force:
frappe.db.delete(doctype)
make_test_records(doctype, verbose=config.verbose, force=force, commit=True)
modules.append(importlib.import_module(test_module))
return _run_unittest(modules, config=config)
except Exception as e:
logger.error(f"Error running tests for doctypes {doctypes}: {e!s}")
raise TestRunnerError(f"Failed to run tests for doctypes: {e!s}") from e
def _run_module_tests(module, config: TestConfig):
"""Run tests for the specified module"""
module = importlib.import_module(module)
if hasattr(module, "test_dependencies"):
for doctype in module.test_dependencies:
make_test_records(doctype, verbose=config.verbose, commit=True)
frappe.db.commit()
return _run_unittest(module, config=config)
def _run_unittest(modules, config: TestConfig):
"""Run unittest for the specified module(s)"""
frappe.db.begin()
modules = [modules] if not isinstance(modules, list | tuple) else modules
final_test_suite = unittest.TestSuite()
for module in modules:
test_suite = unittest.TestLoader().loadTestsFromModule(module)
if config.case:
test_suite = unittest.TestLoader().loadTestsFromTestCase(getattr(module, config.case))
if config.tests:
final_test_suite.addTests(
test for test in _iterate_suite(test_suite) if test._testMethodName in config.tests
)
else:
final_test_suite.addTest(test_suite)
if config.pdb_on_exceptions:
for test_case in _iterate_suite(final_test_suite):
if hasattr(test_case, "_apply_debug_decorator"):
test_case._apply_debug_decorator(config.pdb_on_exceptions)
runner = unittest_runner(
resultclass=None if config.junit_xml_output else TimeLoggingTestResult,
verbosity=1 + cint(config.verbose),
failfast=config.failfast,
tb_locals=config.verbose,
)
frappe.flags.tests_verbose = config.verbose
if config.profile:
pr = cProfile.Profile()
pr.enable()
out = runner.run(final_test_suite)
if config.profile:
pr.disable()
s = StringIO()
ps = pstats.Stats(pr, stream=s).sort_stats("cumulative")
ps.print_stats()
print(s.getvalue())
return out
def _iterate_suite(suite):
"""Helper function to iterate through a test suite"""
for test in suite:
if isinstance(test, unittest.TestSuite):
yield from _iterate_suite(test)
elif isinstance(test, unittest.TestCase):
yield test
def _add_test(
app_path: Path, path: Path, verbose: bool, test_suite: unittest.TestSuite | None = None
) -> None:
relative_path = path.relative_to(app_path)
if path.parts[-4:-1] == ("doctype", "doctype", "boilerplate"):
return # Skip boilerplate files
module_name = (
f"{app_path.stem}.{'.'.join(relative_path.parent.parts)}.{path.stem}"
if str(relative_path.parent) != "."
else f"{app_path.stem}.{path.stem}"
)
module = importlib.import_module(module_name)
if hasattr(module, "test_dependencies"):
for doctype in module.test_dependencies:
make_test_records(doctype, verbose=verbose, commit=True)
test_suite = test_suite or unittest.TestSuite()
if path.parent.name == "doctype":
json_file = path.with_name(path.stem[5:] + ".json")
if json_file.exists():
with json_file.open() as f:
doctype = json.loads(f.read())["name"]
make_test_records(doctype, verbose=verbose, commit=True)
test_suite.addTest(unittest.TestLoader().loadTestsFromModule(module))
def make_test_records(doctype, verbose=0, force=False, commit=False):
"""Make test records for the specified doctype"""
if frappe.flags.skip_test_records:
return
for options in get_dependencies(doctype):
if options == "[Select]":
continue
if options not in frappe.local.test_objects:
frappe.local.test_objects[options] = []
make_test_records(options, verbose, force, commit=commit)
make_test_records_for_doctype(options, verbose, force, commit=commit)
@cache
def get_modules(doctype):
"""Get the modules for the specified doctype"""
module = frappe.db.get_value("DocType", doctype, "module")
try:
test_module = load_doctype_module(doctype, module, "test_")
if test_module:
reload(test_module)
except ImportError:
test_module = None
return module, test_module
@cache
def get_dependencies(doctype):
"""Get the dependencies for the specified doctype"""
module, test_module = get_modules(doctype)
meta = frappe.get_meta(doctype)
link_fields = meta.get_link_fields()
for df in meta.get_table_fields():
link_fields.extend(frappe.get_meta(df.options).get_link_fields())
options_list = [df.options for df in link_fields] + [doctype]
if hasattr(test_module, "test_dependencies"):
options_list += test_module.test_dependencies
options_list = list(set(options_list))
if hasattr(test_module, "test_ignore"):
for doctype_name in test_module.test_ignore:
if doctype_name in options_list:
options_list.remove(doctype_name)
options_list.sort()
return options_list
def make_test_records_for_doctype(doctype, verbose=0, force=False, commit=False):
"""Make test records for the specified doctype"""
test_record_log_instance = TestRecordLog()
if not force and doctype in test_record_log_instance.get():
return
module, test_module = get_modules(doctype)
if verbose:
print(f"Making for {doctype}")
if hasattr(test_module, "_make_test_records"):
frappe.local.test_objects[doctype] = frappe.local.test_objects.get(
doctype, []
) + test_module._make_test_records(verbose)
elif hasattr(test_module, "test_records"):
frappe.local.test_objects[doctype] = frappe.local.test_objects.get(doctype, []) + make_test_objects(
doctype, test_module.test_records, verbose, force, commit=commit
)
else:
test_records = frappe.get_test_records(doctype)
if test_records:
frappe.local.test_objects[doctype] = frappe.local.test_objects.get(
doctype, []
) + make_test_objects(doctype, test_records, verbose, force, commit=commit)
elif verbose:
print_mandatory_fields(doctype)
test_record_log_instance.add(doctype)
def make_test_objects(doctype, test_records=None, verbose=None, reset=False, commit=False):
"""Make test objects from given list of `test_records` or from `test_records.json`"""
records = []
def revert_naming(d):
if getattr(d, "naming_series", None):
revert_series_if_last(d.naming_series, d.name)
if test_records is None:
test_records = frappe.get_test_records(doctype)
for doc in test_records:
if not reset:
frappe.db.savepoint("creating_test_record")
if not doc.get("doctype"):
doc["doctype"] = doctype
d = frappe.copy_doc(doc)
if d.meta.get_field("naming_series"):
if not d.naming_series:
d.naming_series = "_T-" + d.doctype + "-"
if doc.get("name"):
d.name = doc.get("name")
else:
d.set_new_name()
if frappe.db.exists(d.doctype, d.name) and not reset:
frappe.db.rollback(save_point="creating_test_record")
# do not create test records, if already exists
continue
# submit if docstatus is set to 1 for test record
docstatus = d.docstatus
d.docstatus = 0
try:
d.run_method("before_test_insert")
d.insert(ignore_if_duplicate=True)
if docstatus == 1:
d.submit()
except frappe.NameError:
revert_naming(d)
except Exception as e:
if (
d.flags.ignore_these_exceptions_in_test
and e.__class__ in d.flags.ignore_these_exceptions_in_test
):
revert_naming(d)
else:
verbose and print("Error in making test record for", d.doctype, d.name)
raise
records.append(d.name)
if commit:
frappe.db.commit()
return records
def print_mandatory_fields(doctype):
"""Print mandatory fields for the specified doctype"""
meta = frappe.get_meta(doctype)
print(f"Please setup make_test_records for: {doctype}")
print("-" * 60)
print(f"Autoname: {meta.autoname or ''}")
print("Mandatory Fields:")
for d in meta.get("fields", {"reqd": 1}):
print(f" - {d.parent}:{d.fieldname} | {d.fieldtype} | {d.options or ''}")
print()
class TestRecordLog:
def __init__(self):
self.log_file = Path(frappe.get_site_path(".test_log"))
self._log = None
def get(self):
if self._log is None:
self._log = self._read_log()
return self._log
def add(self, doctype):
log = self.get()
if doctype not in log:
log.append(doctype)
self._write_log(log)
def _read_log(self):
if self.log_file.exists():
with self.log_file.open() as f:
return f.read().splitlines()
return []
def _write_log(self, log):
with self.log_file.open("w") as f:
f.write("\n".join(l for l in log if l is not None))
# Compatibility functions
def add_to_test_record_log(doctype):
TestRecordLog().add(doctype)
def get_test_record_log():
return TestRecordLog().get()