cp2k/tests/do_regtest.py

718 lines
30 KiB
Python
Executable file

#!/usr/bin/env python3
# author: Ole Schuett
from asyncio import Semaphore, Task
from asyncio.subprocess import DEVNULL, PIPE, STDOUT, Process
from datetime import datetime
from pathlib import Path
from typing import Any, Coroutine, Dict, List, Optional, TextIO, Tuple, Union
from statistics import mean, stdev
import argparse
import asyncio
import math
import os
import re
import shutil
import subprocess
import sys
import time
from matchers import run_matcher
if sys.version_info >= (3, 8):
from typing import Literal
else:
from typing_extensions import Literal
# Try importing toml from various places.
try:
import tomllib # not available before Python 3.11
except ImportError:
try:
import pip._vendor.tomli as tomllib # type: ignore
except ImportError:
try:
import pip._vendor.toml as tomllib # type: ignore
except ImportError:
import toml as tomllib # type: ignore
# Possible test outcomes.
TestStatus = Literal[
"OK", "WRONG RESULT", "RUNTIME FAIL", "TIMED OUT", "HUGE OUTPUT", "N/A"
]
# Some tests do not work with --keepalive (which is generally considered a bug).
KEEPALIVE_SKIP_DIRS = [
"TMC/regtest",
"TMC/regtest_ana_on_the_fly",
"TMC/regtest_ana_post_proc",
"LIBTEST/libvori",
"LIBTEST/libbqb",
"QS/regtest-ec",
"QS/regtest-gapw",
"QS/regtest-gapw_xc",
"QS/regtest-gpw-1",
"QS/regtest-mp2-grad-1",
"QS/regtest-mp2-grad-2",
]
# ======================================================================================
async def main() -> None:
parser = argparse.ArgumentParser(description="Runs CP2K regression test suite.")
parser.add_argument("--mpiranks", type=int, default=2)
parser.add_argument("--ompthreads", type=int)
parser.add_argument("--maxtasks", type=int, default=os.cpu_count())
parser.add_argument("--num_gpus", type=int, default=0)
parser.add_argument("--timeout", type=int, default=400)
parser.add_argument("--maxerrors", type=int, default=50)
help = "Template for launching MPI jobs, {N} is replaced by number of processors."
parser.add_argument("--mpiexec", default="mpiexec -n {N} --bind-to none", help=help)
help = "Runs only the first test of each directory."
parser.add_argument("--smoketest", dest="smoketest", action="store_true", help=help)
help = "Runs tests under Valgrind memcheck. Best used together with --keepalive."
parser.add_argument("--valgrind", action="store_true", help=help)
help = "Use a persistent cp2k-shell process to reduce startup time."
parser.add_argument("--keepalive", dest="keepalive", action="store_true", help=help)
help = "Flag slow tests in the final summary and status report."
parser.add_argument("--flagslow", dest="flagslow", action="store_true", help=help)
parser.add_argument("--debug", action="store_true")
parser.add_argument("--restrictdir", action="append")
parser.add_argument("--skipdir", action="append")
parser.add_argument("--workbasedir", type=Path, default=Path.cwd() / "regtesting")
parser.add_argument("--cp2kdatadir", type=Path)
parser.add_argument("--skip_unittests", action="store_true")
parser.add_argument("--skip_regtests", action="store_true")
parser.add_argument("binary_dir", type=Path)
parser.add_argument("version")
cfg = Config(parser.parse_args())
print("*************************** Testing started ****************************")
start_time = time.perf_counter()
# Query CP2K binary for feature flags.
version_bytes, _ = await (await cfg.launch_exe("cp2k", "--version")).communicate()
version_output = version_bytes.decode("utf8", errors="replace")
flags_line = re.search(r" cp2kflags:(.*)\n", version_output)
if not flags_line:
print(version_output + "\nCould not parse feature flags.")
sys.exit(1)
else:
flags = flags_line.group(1).split()
print("\n----------------------------- Settings ---------------------------------")
print(f"MPI ranks: {cfg.mpiranks}")
print(f"OpenMP threads: {cfg.ompthreads}")
print(f"GPU devices: {cfg.num_gpus}")
print(f"Workers: {cfg.num_workers}")
print(f"Timeout [s]: {cfg.timeout}")
print(f"Work base dir: {cfg.work_base_dir}")
print(f"MPI exec: {cfg.mpiexec}")
print(f"Smoke test: {cfg.smoketest}")
print(f"Valgrind: {cfg.valgrind}")
print(f"Keepalive: {cfg.keepalive}")
print(f"Flag slow: {cfg.flag_slow}")
print(f"Debug: {cfg.debug}")
print(f"Binary dir: {cfg.binary_dir}")
print(f"CP2K data dir: {cfg.cp2k_data_dir}")
print(f"VERSION: {cfg.version}")
print(f"Flags: " + ",".join(flags))
# Have to copy everything upfront because the test dirs are not self-contained.
print("------------------------------------------------------------------------")
if is_relative_to(cfg.work_base_dir, cfg.cp2k_root / "tests"):
print(f"Error: Work base dir must not be relative to cp2k/tests dir.")
sys.exit(1)
print("Copying test files ...", end="")
shutil.copytree(cfg.cp2k_root / "tests", cfg.work_base_dir)
print(" done")
batches: List[Batch] = []
# Read UNIT_TESTS.
unit_tests_fn = cfg.cp2k_root / "tests" / "UNIT_TESTS"
for line in unit_tests_fn.read_text(encoding="utf8").split("\n"):
line = line.split("#", 1)[0].strip()
if line:
batch = Batch(f"UNIT/{line}", cfg)
batch.workdir.mkdir(parents=True)
batch.unittests.append(Unittest(line.split()[0], batch.workdir))
batches.append(batch)
# Read TEST_DIRS.
test_dirs_fn = cfg.cp2k_root / "tests" / "TEST_DIRS"
for line in test_dirs_fn.read_text(encoding="utf8").split("\n"):
line = line.split("#", 1)[0].strip()
if not line:
continue
batch = Batch(line, cfg)
# Read TEST_FILES.toml
test_files_fn = Path(batch.src_dir / "TEST_FILES.toml")
test_files_content = test_files_fn.read_text(encoding="utf8")
for inp_fn, matcher_specs in tomllib.loads(test_files_content).items():
batch.regtests.append(Regtest(inp_fn, matcher_specs, batch.workdir))
if cfg.smoketest:
break # run only one test per directory
batches.append(batch)
# Check for nested test dirs.
for batch_a in batches:
for batch_b in batches:
if batch_a != batch_b and is_relative_to(batch_a.workdir, batch_b.workdir):
print(f"Error: Test dirs {batch_a.name} and {batch_b.name} are nested.")
sys.exit(1)
# Create async tasks.
tasks: List[Task[BatchResult]] = []
num_restrictdirs = num_skipdirs = 0
for batch in batches:
if not batch.requirements_satisfied(flags, cfg.mpiranks):
print(f"Skipping {batch.name} because its requirements are not satisfied.")
elif not any(re.fullmatch(p, batch.name) for p in cfg.restrictdirs):
num_restrictdirs += 1
elif any(re.fullmatch(p, batch.name) for p in cfg.skipdirs):
num_skipdirs += 1
else:
# Need to keep a reference of the task to protect it from garbage collection.
# asyncio.create_task not available before Python 3.7
tasks.append(asyncio.get_event_loop().create_task(run_batch(batch, cfg)))
if num_restrictdirs:
print(f"Skipping {num_restrictdirs} test directories because of --restrictdir.")
if num_skipdirs:
print(f"Skipping {num_skipdirs} test directories because of --skipdir.")
if not tasks:
print("\nNo test directories selected, check --restrictdir filter.")
sys.exit(1)
print(f"Launched {len(tasks)} test directories and {cfg.num_workers} worker...\n")
sys.stdout.flush()
# Wait for tasks to finish and print their results.
all_results: List[TestResult] = []
with open(cfg.error_summary, "wt", encoding="utf8", errors="replace") as err_fh:
for num_done, task in enumerate(asyncio.as_completed(tasks)):
batch_result = await task
all_results += batch_result.results
print(f">>> {batch_result.batch.workdir}")
print("\n".join(str(r) for r in batch_result.results))
print(f"<<< {batch_result.batch.workdir} ({num_done + 1}", end="")
print(f" of {len(tasks)}) done in {batch_result.duration:.2f} sec")
sys.stdout.flush()
err_fh.write("\n".join(r.error for r in batch_result.results if r.error))
err_fh.flush()
if sum(r.status != "OK" for r in all_results) > cfg.max_errors:
print(f"\nGot more than {cfg.max_errors} errors, aborting...")
break
print("------------------------------- Errors ---------------------------------")
print("\n".join(r.error for r in all_results if r.error))
print("\n------------------------------- Timings --------------------------------")
timings = sorted(r.duration for r in all_results)
print('Plot: name="timings", title="Timing Distribution", ylabel="time [s]"')
for p in (100, 99, 98, 95, 90, 80):
y = percentile(timings, p / 100.0)
print(f'PlotPoint: name="{p}th_percentile", plot="timings", ', end="")
print(f'label="{p}th %ile", y={y:.2f}, yerr=0.0')
if cfg.flag_slow:
print("\n" + "-" * 15 + "--------------- Slow Tests ---------------" + "-" * 15)
threshold = 2 * percentile(timings, 0.95)
outliers = [r for r in all_results if r.duration > 0.95 * threshold]
maybe_slow = [r for r in outliers if r.fullname not in cfg.slow_suppressions]
num_suppressed = len(outliers) - len(maybe_slow)
rerun_tasks: List[Task[BatchResult]] = []
for b in {r.batch for r in maybe_slow}:
print(f"Re-running {b.name} to avoid false positives.")
rerun_tasks.append(asyncio.get_event_loop().create_task(run_batch(b, cfg)))
rerun_times: Dict[str, float] = {}
for t in await asyncio.gather(*rerun_tasks):
rerun_times.update({r.fullname: r.duration for r in t.results})
stats = {r.fullname: [r.duration, rerun_times[r.fullname]] for r in maybe_slow}
slow_tests = {k: v for k, v in stats.items() if mean(v) - stdev(v) > threshold}
print(f"Duration threshold (2x 95th %ile): {threshold:.2f} sec")
print(f"Found {len(slow_tests)} slow tests ({num_suppressed} suppressed):")
for k, v in slow_tests.items():
print(f" {k :<80s} ( {mean(v):6.2f} ±{stdev(v):4.2f} sec)")
print("\n------------------------------- Summary --------------------------------")
total_duration = time.perf_counter() - start_time
num_tests = len(all_results)
failure_modes = ["RUNTIME FAIL", "TIMED OUT", "HUGE OUTPUT"]
num_failed = sum(r.status in failure_modes for r in all_results)
num_wrong = sum(r.status == "WRONG RESULT" for r in all_results)
num_na = sum(r.status == "N/A" for r in all_results)
num_ok = sum(r.status == "OK" for r in all_results)
status_ok = (num_ok == num_tests) and (not cfg.flag_slow or not slow_tests)
print(f"Number of FAILED tests {num_failed}")
print(f"Number of WRONG tests {num_wrong}")
print(f"Number of CORRECT tests {num_ok}")
print(f"Total number of tests {num_tests}")
summary = f"\nSummary: correct: {num_ok} / {num_tests}"
summary += f"; wrong: {num_wrong}" if num_wrong > 0 else ""
summary += f"; failed: {num_failed}" if num_failed > 0 else ""
summary += f"; n/a: {num_na}" if num_na > 0 else ""
summary += f"; slow: {len(slow_tests)}" if cfg.flag_slow and slow_tests else ""
summary += f"; {total_duration/60.0:.0f}min"
print(summary)
print("Status: " + ("OK" if status_ok else "FAILED") + "\n")
print("*************************** Testing ended ******************************")
sys.exit(0 if status_ok else 1)
# ======================================================================================
def _is_intel_mpi(mpiexec_cmd: str = "mpiexec") -> bool:
"""Check if the given mpiexec command belongs to Intel MPI."""
try:
result = subprocess.run(
[mpiexec_cmd, "--version"],
capture_output=True,
text=True,
timeout=10,
)
return "Intel" in result.stdout or "Intel" in result.stderr
except (FileNotFoundError, subprocess.TimeoutExpired, OSError):
return False
# ======================================================================================
class Config:
def __init__(self, args: argparse.Namespace):
self.timeout = args.timeout
self.use_mpi = args.version.startswith("p")
default_ompthreads = 2 if "smp" in args.version else 1
self.ompthreads = args.ompthreads if args.ompthreads else default_ompthreads
self.mpiranks = args.mpiranks if self.use_mpi else 1
self.num_workers = int(args.maxtasks / self.ompthreads / self.mpiranks) or 1
self.workers = Semaphore(self.num_workers)
self.cp2k_root = Path(__file__).resolve().parent.parent
self.mpiexec = args.mpiexec
if "{N}" not in self.mpiexec: # backwards compatibility
self.mpiexec = f"{self.mpiexec} ".replace(" ", " -n {N} ", 1).strip()
self.intel_mpi = _is_intel_mpi(self.mpiexec.split()[0])
if self.intel_mpi and "--bind-to" in self.mpiexec:
self.mpiexec = self.mpiexec.replace(" --bind-to none", "")
self.smoketest = args.smoketest
self.valgrind = args.valgrind
self.keepalive = args.keepalive
self.flag_slow = args.flagslow
self.binary_dir = args.binary_dir.resolve()
self.version = args.version
self.debug = args.debug
self.max_errors = args.maxerrors
self.restrictdirs = args.restrictdir if args.restrictdir else [".*"]
self.skipdirs = args.skipdir if args.skipdir else []
self.skip_unittests = args.skip_unittests
self.skip_regtests = args.skip_regtests
datestamp = datetime.now().strftime("%Y-%m-%d_%H-%M-%S")
self.work_base_dir = args.workbasedir.resolve() / f"TEST-{datestamp}"
self.error_summary = self.work_base_dir / "error_summary"
self.cp2k_data_dir = (
args.cp2kdatadir
or Path(os.getenv("CP2K_DATA_DIR", str(self.cp2k_root / "data")))
).resolve()
# Parse suppression files.
slow_supps_fn = self.cp2k_root / "tests" / "SLOW_TESTS_SUPPRESSIONS"
self.slow_suppressions = slow_supps_fn.read_text(encoding="utf8").split("\n")
huge_supps_fn = self.cp2k_root / "tests" / "HUGE_TESTS_SUPPRESSIONS"
self.huge_suppressions = huge_supps_fn.read_text(encoding="utf8").split("\n")
def run_with_capture_stdout(cmd: str) -> bytes:
# capture_output argument not available before Python 3.7
return subprocess.run(cmd, shell=True, stdout=PIPE, stderr=DEVNULL).stdout
# Detect number of GPU devices, if not specified by the user
if args.num_gpus > 0:
self.num_gpus = args.num_gpus
else:
nv_cmd = "nvidia-smi --query-gpu=gpu_name --format=csv,noheader | wc -l"
nv_gpus = int(run_with_capture_stdout(nv_cmd))
amd_cmd = "rocm-smi --showid --csv | grep card | wc -l"
amd_gpus = int(run_with_capture_stdout(amd_cmd))
self.num_gpus = nv_gpus + amd_gpus
self.next_gpu = 0 # Used to assign devices round robin to processes.
def launch_exe(
self, exe_stem: str, *args: str, cwd: Optional[Path] = None
) -> Coroutine[Any, Any, Process]:
env = os.environ.copy()
if self.num_gpus > self.mpiranks:
visible_gpu_devices: List[str] = []
for _ in range(self.mpiranks): # Utilize all available GPU devices.
self.next_gpu = (self.next_gpu + 1) % self.num_gpus
visible_gpu_devices.append(str(self.next_gpu))
env["CUDA_VISIBLE_DEVICES"] = ",".join(visible_gpu_devices)
env["HIP_VISIBLE_DEVICES"] = ",".join(visible_gpu_devices)
env["OMP_NUM_THREADS"] = str(self.ompthreads)
if self.intel_mpi:
env["I_MPI_PIN"] = "0"
env["CP2K_DATA_DIR"] = str(self.cp2k_data_dir)
env["PIKA_COMMANDLINE_OPTIONS"] = (
f"--pika:bind=none --pika:threads={self.ompthreads}"
)
if cwd is not None and "MIMIC" == cwd.parent.name:
env["MCL_COMM_MODE"] = "TEST_STUB"
env["MCL_PROGRAM"] = "1"
env["MCL_TEST_DATA"] = "MCL_LOG_1"
exe_name = f"{exe_stem}.{self.version}"
cmd = [str(self.binary_dir / exe_name)]
if self.valgrind:
cmd = ["valgrind", "--error-exitcode=42", "--exit-on-first-error=yes"] + cmd
if self.use_mpi:
cmd = self.mpiexec.format(N=self.mpiranks).split() + cmd
if self.debug:
print(f"Creating subprocess: {cmd} {args}")
return asyncio.create_subprocess_exec(
*cmd, *args, env=env, cwd=cwd, stdin=PIPE, stdout=PIPE, stderr=STDOUT
)
# ======================================================================================
class Unittest:
"""A unit test, ie. a standalone binary that matches '*_unittest.{cfg.version}'."""
def __init__(self, name: str, workdir: Path):
self.name = name
self.matcher_specs: List[Any] = []
self.out_path = workdir / (self.name + ".out")
# ======================================================================================
class Regtest:
"""A single input file to test, ie. a line in a TEST_FILES file."""
def __init__(self, inp_fn: str, matcher_specs: List[Any], workdir: Path):
self.inp_fn = inp_fn
self.name = self.inp_fn
self.matcher_specs = matcher_specs
self.out_path = workdir / (self.name + ".out")
# ======================================================================================
class Batch:
"""A directory of tests, ie. a line in the TEST_DIRS file."""
def __init__(self, line: str, cfg: Config):
parts = line.split()
self.name = parts[0]
self.requirements = parts[1:]
self.unittests: List[Unittest] = []
self.regtests: List[Regtest] = []
self.src_dir = cfg.cp2k_root / "tests" / self.name
self.workdir = cfg.work_base_dir / self.name
self.huge_suppressions = cfg.huge_suppressions
def requirements_satisfied(self, flags: List[str], mpiranks: int) -> bool:
result = True
for r in self.requirements:
if "mpiranks" in r:
result &= eval(r.replace("||", " or "))
elif r.startswith("!"):
result &= r[1:] not in flags
else:
result &= r in flags
return result
# ======================================================================================
class TestResult:
def __init__(
self,
batch: Batch,
test: Union[Regtest, Unittest],
spec: Optional[Dict[str, Any]],
duration: float,
status: TestStatus,
error: Optional[str] = None,
value: Optional[float] = None,
):
self.batch = batch
self.test = test
self.spec = spec
self.duration = duration
self.status = status
self.error = error
self.value = value
self.fullname = f"{batch.name}/{test.name}"
def __str__(self) -> str:
display_name = self.test.name
if self.spec and len(self.test.matcher_specs) > 1:
display_name += f":{self.spec.get('matcher', '???')}"
value = f"{self.value:.10g}" if self.value else "-"
return f" {display_name :<80s} {value :>17} {self.status :>12s} ( {self.duration:6.2f} sec)"
# ======================================================================================
class BatchResult:
def __init__(self, batch: Batch, results: List[TestResult]):
self.batch = batch
self.results = results
self.duration = sum(float(r.duration) for r in results)
# ======================================================================================
class Cp2kShell:
def __init__(self, cfg: Config, workdir: Path):
self.cfg = cfg
self.workdir = workdir
self._child: Optional[Process] = None
async def stop(self) -> None:
assert self._child
try:
self._child.terminate() # Give mpiexec a chance to shutdown
except ProcessLookupError:
pass
await self._child.communicate() # Read output to prevent a zombie process.
self._child = None
async def start(self) -> None:
assert self._child is None
self._child = await self.cfg.launch_exe("cp2k", "--shell", cwd=self.workdir)
await self.ready()
await self.sendline("HARSH") # With harsh mode any error leads to an abort.
await self.ready()
async def sendline(self, line: str) -> None:
if self.cfg.debug:
print("Sending: " + line)
assert len(line) < 1024 # input buffer size
assert self._child and self._child.stdin
data = (line + "\n").encode("utf8")
self._child.stdin.write(data)
try:
await asyncio.wait_for(self._child.stdin.drain(), timeout=self.cfg.timeout)
except ConnectionResetError:
pass
async def readline(self) -> str:
assert self._child and self._child.stdout
data_future = self._child.stdout.readline()
data = await asyncio.wait_for(data_future, timeout=self.cfg.timeout)
line = data.decode("utf8", errors="replace")
if self.cfg.debug:
print("Received: " + line, end="")
return line
async def ready(self, output: Optional[TextIO] = None) -> None:
while True:
line = await self.readline()
if line == "":
assert self._child
await self._child.wait() # child crashed - get return code
return
elif line == "* READY\n":
return # task finished nominally
elif output:
output.write(line) # task continues
def returncode(self) -> int:
assert self._child
return self._child.returncode if self._child.returncode else 0
# ======================================================================================
async def wait_for_child_process(
child: Process, timeout: int
) -> Tuple[bytes, int, bool]:
try:
output, _ = await asyncio.wait_for(child.communicate(), timeout=timeout)
timed_out = False
returncode = child.returncode if child.returncode else 0
except asyncio.TimeoutError:
timed_out = True
returncode = -9
try:
child.terminate() # Give mpiexec a chance to shutdown
except ProcessLookupError:
pass
output, _ = await child.communicate()
return output, returncode, timed_out
# ======================================================================================
async def run_batch(batch: Batch, cfg: Config) -> BatchResult:
async with cfg.workers:
results = []
if not cfg.skip_unittests:
results += await run_unittests(batch, cfg)
if not cfg.skip_regtests:
results += await run_regtests(batch, cfg)
return BatchResult(batch, results)
# ======================================================================================
async def run_unittests(batch: Batch, cfg: Config) -> List[TestResult]:
results: List[TestResult] = []
for test in batch.unittests:
start_time = time.perf_counter()
child = await cfg.launch_exe(test.name, str(cfg.cp2k_root), cwd=batch.workdir)
output, returncode, timed_out = await wait_for_child_process(child, cfg.timeout)
duration = time.perf_counter() - start_time
test.out_path.write_bytes(output)
output_lines = output.decode("utf8", errors="replace").split("\n")
output_tail = "\n".join(output_lines[-100:])
error = "x" * 100 + f"\n{test.out_path}\n{output_tail}\n\n"
if timed_out:
error += f"Timed out after {duration} seconds."
results += [TestResult(batch, test, None, duration, "TIMED OUT", error)]
elif returncode != 0:
error += f"Runtime failure with code {returncode}."
results += [TestResult(batch, test, None, duration, "RUNTIME FAIL", error)]
else:
results += [TestResult(batch, test, None, duration, "OK")]
return results
# ======================================================================================
async def run_regtests(batch: Batch, cfg: Config) -> List[TestResult]:
if cfg.keepalive and batch.name not in KEEPALIVE_SKIP_DIRS:
return await run_regtests_keepalive(batch, cfg)
else:
return await run_regtests_classic(batch, cfg)
# ======================================================================================
async def run_regtests_keepalive(batch: Batch, cfg: Config) -> List[TestResult]:
shell = Cp2kShell(cfg, batch.workdir)
await shell.start()
results: List[TestResult] = []
for test in batch.regtests:
start_time = time.perf_counter()
start_dirsize = dirsize(batch.workdir)
await shell.sendline(f"RUN {test.inp_fn} __STD_OUT__")
with open(test.out_path, "wt", encoding="utf8", errors="replace") as fh:
try:
await asyncio.wait_for(shell.ready(fh), timeout=cfg.timeout)
timed_out = False
returncode = shell.returncode()
except asyncio.TimeoutError:
timed_out = True
returncode = -9
if returncode != 0:
await shell.stop()
await shell.start()
duration = time.perf_counter() - start_time
output_size = dirsize(batch.workdir) - start_dirsize
results += eval_regtest(
batch, test, duration, output_size, returncode, timed_out
)
await shell.stop()
return results
# ======================================================================================
async def run_regtests_classic(batch: Batch, cfg: Config) -> List[TestResult]:
results: List[TestResult] = []
for test in batch.regtests:
start_time = time.perf_counter()
start_dirsize = dirsize(batch.workdir)
child = await cfg.launch_exe("cp2k", test.inp_fn, cwd=batch.workdir)
output, returncode, timed_out = await wait_for_child_process(child, cfg.timeout)
test.out_path.write_bytes(output)
duration = time.perf_counter() - start_time
output_size = dirsize(batch.workdir) - start_dirsize
results += eval_regtest(
batch, test, duration, output_size, returncode, timed_out
)
return results
# ======================================================================================
def dirsize(folder: Path) -> int:
return sum(f.stat().st_size for f in folder.rglob("*"))
# ======================================================================================
def eval_regtest(
batch: Batch,
test: Regtest,
duration: float,
output_size: int,
returncode: int,
timed_out: bool,
) -> List[TestResult]:
is_huge_suppressed = f"{batch.name}/{test.name}" in batch.huge_suppressions
output_bytes = test.out_path.read_bytes() if test.out_path.exists() else b""
output = output_bytes.decode("utf8", errors="replace")
output_tail = "\n".join(output.split("\n")[-100:])
error = "x" * 100 + f"\n{test.out_path}\n"
# check for timeout
if timed_out:
error += f"{output_tail}\n\nTimed out after {duration} seconds."
return [TestResult(batch, test, None, duration, "TIMED OUT", error)]
# check for crash
if returncode != 0:
error += f"{output_tail}\n\nRuntime failure with code {returncode}."
return [TestResult(batch, test, None, duration, "RUNTIME FAIL", error)]
# check for huge output
if output_size > 2 * 1024 * 1024 and not is_huge_suppressed: # 2MiB limit
error += f"Test produced {output_size/1024/1024:.2f} MiB of output."
return [TestResult(batch, test, None, duration, "HUGE OUTPUT", error)]
# happy end if there are no matchers
if not test.matcher_specs:
return [TestResult(batch, test, None, duration, "OK")]
# run the matchers
results = []
for spec in test.matcher_specs:
spec = dict(spec) # shallow copy so we can pop without mutating the original
alt_file = spec.pop("file", None)
if alt_file:
alt_path = test.out_path.parent / alt_file
if not alt_path.exists():
err = f"{error}Spec: {spec}\nExpected output file not found: {alt_path}"
results += [
TestResult(batch, test, spec, duration, "WRONG RESULT", err)
]
continue
match_output = alt_path.read_bytes().decode("utf8", errors="replace")
else:
match_output = output
m = run_matcher(match_output, **spec)
if m.error:
m.error = f"{error}Spec: {spec}\n{m.error}"
results += [TestResult(batch, test, spec, duration, m.status, m.error, m.value)]
return results
# ======================================================================================
def percentile(values: List[float], percent: float) -> float:
k = (len(values) - 1) * percent
f = math.floor(k)
c = math.ceil(k)
if f == c:
return values[int(k)]
d0 = values[int(f)] * (c - k)
d1 = values[int(c)] * (k - f)
return d0 + d1
# ======================================================================================
def is_relative_to(p: Path, u: Path) -> bool: # not in pathlib before Python 3.9
return u == p or u in p.parents
# ======================================================================================
if __name__ == "__main__":
# asyncio.run(main()) not available before Python 3.7
loop = asyncio.new_event_loop()
asyncio.set_event_loop(loop)
loop.run_until_complete(main())
# EOF