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ww test: preserve combined product output order

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Go 1.26.5 maps each test binary's stdout and stderr to the same product writer. Teach the captured executor to share one open file description for byte-equal output paths, then make directory test products emit that one ordered capture on coordinator stdout. Build captures and inherited-stdio routes remain unchanged.\n\nKeep the executor mechanism, package policy, native Cstage/WWstage proof, and normative contract together so every commit preserves the observable test-output behavior.
This commit is contained in:
Hojun-Cho
2026-08-20 18:29:09 +09:00
parent b996099270
commit f28843f2f5
7 changed files with 310 additions and 48 deletions
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32
test/wwfixture/process/main.ww
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@@ -83,6 +83,13 @@ fn childmode(args: []str) void = {
if (!writeexact(os.STDERR_FILENO, "route stderr\n")) { os.exit(135); };
os.exit(0);
};
if (eq(mode, "merge")) {
if (!writeexact(os.STDOUT_FILENO, "out 1\n")) { os.exit(146); };
if (!writeexact(os.STDERR_FILENO, "err 1\n")) { os.exit(147); };
if (!writeexact(os.STDOUT_FILENO, "out 2\n")) { os.exit(148); };
if (!writeexact(os.STDERR_FILENO, "err 2\n")) { os.exit(149); };
os.exit(0);
};
if (eq(mode, "signal")) {
os.kill(os.getpid(), os.SIGKILL);
os.exit(120);
@@ -251,6 +258,16 @@ fn main() void = {
assert(eq(readfile(c.stdoutpath), "route stdout\n"));
assert(eq(readfile(c.stderrpath), "route stderr\n"));
fillcommand(&c, self, "merge", root, "merge",
time.second, grace);
let mergeerr: str = c.stderrpath;
c.stderrpath = c.stdoutpath;
exec.run(&c, &r);
assert(r.termination == exec.termination.EXIT && r.code == 0);
assert(r.errno == 0 && r.cleanuperrno == 0);
assert(eq(readfile(c.stdoutpath), "out 1\nerr 1\nout 2\nerr 2\n"));
assert(!os.exists(mergeerr));
fillcommand(&c, self, "signal", root, "signal",
time.second, grace);
exec.run(&c, &r);
@@ -353,6 +370,16 @@ fn main() void = {
|| cr.errno != 0 || cr.cleanuperrno != 0) { os.exit(139); };
if (!eq(readfile(cc.stdoutpath), "route stdout\n")) { os.exit(140); };
if (!eq(readfile(cc.stderrpath), "route stderr\n")) { os.exit(141); };
fillcommand(&cc, self, "merge", root, "closedmerge",
time.second, grace);
let closedmergeerr: str = cc.stderrpath;
cc.stderrpath = cc.stdoutpath;
exec.run(&cc, &cr);
if (cr.termination != exec.termination.EXIT || cr.code != 0
|| cr.errno != 0 || cr.cleanuperrno != 0) { os.exit(150); };
if (!eq(readfile(cc.stdoutpath),
"out 1\nerr 1\nout 2\nerr 2\n")) { os.exit(151); };
if (os.exists(closedmergeerr)) { os.exit(152); };
os.exit(0);
};
let closedstatus: i32 = waitchild(closedprobe);
@@ -382,12 +409,13 @@ fn main() void = {
let captures: []str = [
"exit0.out", "exit0.err", "exitdesc.out", "exitdesc.err",
"exit7.out", "exit7.err", "exit127.out", "exit127.err",
"route.out", "route.err", "signal.out", "signal.err",
"route.out", "route.err", "merge.out", "signal.out", "signal.err",
"execfail.out", "execfail.err", "pastfail.out", "pastfail.err",
"chdirfail.out", "chdirfail.err", "timeout.out", "timeout.err",
"exists.out", "runinterrupt.out", "runinterrupt.err",
"runinterrupt.ready",
"closed.out", "closed.err", "interrupt.out", "interrupt.err",
"closed.out", "closed.err", "closedmerge.out",
"interrupt.out", "interrupt.err",
];
let i: i32 = 0;
for (i < captures.len) {