#!/usr/bin/env python3
# execute isolated icon acceptance, rejection and regression fixtures.
from pathlib import Path
import argparse
import subprocess

parser = argparse.ArgumentParser()
parser.add_argument('vm', nargs='?', default='bin/zy')
parser.add_argument('--case', default='')
parser.add_argument('--js', action='store_true')
parser.add_argument('--source', action='store_true', help='test the working library source instead of the embedded module')
args = parser.parse_args()
root = Path(__file__).resolve().parents[2]
cases = sorted((root / 'tests/icon').glob('*/*.zc'))
count = 0
for case in cases:
    if args.case and args.case not in str(case):
        continue
    expected = case.with_suffix('.expected').read_text()
    command = ['node', str(root / 'src/js/tinyvm.js')] if args.js else [str(root / args.vm)]
    program = case.read_text()
    if args.source:
        # keep module imports while suppressing its embedded source loader.
        library = (root / 'src/lib/icon.zc').read_text()
        setup = '\nnamespace;\ninclude run;\nimmediate fn icon_working_source() { run.icon_done = 1; run.next(); return 0; }\nicon_working_source\n'
        program = library + setup + program
    proc = subprocess.run(command, input=program, text=True, capture_output=True, cwd=root, timeout=30)
    assert proc.returncode == 0 and proc.stdout == expected, f'{case.relative_to(root)}\nstdout: {proc.stdout}\nstderr: {proc.stderr}\nexpected: {expected}'
    print(f'ok   {case.relative_to(root)}')
    count += 1
assert count, 'no icon fixtures selected'
print(f'{count} icon fixtures passed')