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|
#!/usr/bin/env python3
#
# runs a test to ensure amalagamation works
import subprocess
import tempfile
import argparse
import datetime
import itertools
import math
import random
def test_one(args, features):
print(f"testing with these features enabled: {', '.join(features)}")
builddir = tempfile.TemporaryDirectory(delete=not args.keep_tmpdirs)
t0 = datetime.datetime.now()
subprocess.run(
[
"python3",
"singleheader/amalgamate.py",
"--source-dir",
"src",
"--include-dir",
"include",
"--output-dir",
builddir.name,
"--no-zip",
"--no-readme",
]
+ [f"--with-{feature}" for feature in features],
stdout=subprocess.DEVNULL,
check=True,
)
print(f"amalgamated in {builddir.name}")
if args.warnings:
warnings = [
"-Wall",
"-Wextra",
"-Werror",
"-Wno-error=unused-function",
"-Wno-error=unused-const-variable",
]
else:
warnings = []
subprocess.run(
[args.compiler, "-c", "simdutf.cpp", "-I", ".", f"-std=c++{args.standard}"]
+ warnings,
check=True,
cwd=builddir.name,
)
print(f"compiled in {builddir.name}")
allfeatures = ["utf8", "utf16", "utf32", "base64", "detect-enc", "ascii", "latin1"]
def test_combinations(args, include_count):
total = math.comb(len(allfeatures), include_count)
print(f"testing all {total} possible selections of {include_count} features")
for i, combo in enumerate(itertools.combinations(allfeatures, include_count)):
test_one(args, combo)
print(f"tested {i + 1} of {total}")
def generate_subset():
s = allfeatures
for subset in itertools.chain.from_iterable(
itertools.combinations(s, r) for r in range(len(s) + 1)
):
yield subset
def test_random(args, N):
subsets = [s for s in generate_subset()]
random.shuffle(subsets)
if N > 0 and N < len(subsets):
subsets = subsets[0:N]
total = len(subsets)
for i, subset in enumerate(subsets):
print(f"testing {i + 1} of {total} subsets: {subset}")
test_one(args, subset)
def main():
parser = argparse.ArgumentParser(
prog="amalgamation test", description="ensures that amalgamation works"
)
parser.add_argument("--standard", type=int, default=23)
parser.add_argument("--keep-tmpdirs", action="store_true")
parser.add_argument("--compiler", type=str, default="c++")
parser.add_argument("--warnings", action="store_true")
parser.add_argument(
"--test-implicit-all",
action="store_true",
help="test giving no features, meaning all features are implicitly on",
)
parser.add_argument(
"--test-explicit-all", action="store_true", help="test giving all features"
)
parser.add_argument(
"--test-singles", action="store_true", help="test one feature at a time"
)
parser.add_argument(
"--test-random",
type=int,
default=-1,
help="tests up to the given amount of random subsets. 0 means all. negative means don't do this.",
)
parser.add_argument(
"--test-pairs", action="store_true", help="tests all pairs of features"
)
parser.add_argument(
"--test-triplets", action="store_true", help="tests all triplets of features"
)
parser.add_argument(
"--test-all-but-one",
action="store_true",
help="tests all possible feature sets with one disabled",
)
args = parser.parse_args()
if args.test_implicit_all:
print("test all enabled, implicitly")
test_one(args, [])
if args.test_explicit_all:
print("test all enabled, explicitly")
test_one(args, allfeatures)
if args.test_singles:
print("test one single feature at a time")
test_combinations(args, 1)
if args.test_random >= 0:
print("test random")
test_random(args, args.test_random)
if args.test_pairs:
print("test all pairs")
test_combinations(args, 2)
if args.test_triplets:
print("test all triplets")
test_combinations(args, 3)
if args.test_all_but_one:
print("test all but one single feature at a time")
test_combinations(args, len(allfeatures) - 1)
print("all seems to have gone well. bye bye!")
if __name__ == "__main__":
main()
|
