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test/wcc: carrier ownership repair and driver-contract adaptation

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Every surviving carrier now owns its artifacts: checked mkdir/mkdtemp/
fopen acquisition, one all-exit cleanup funnel per carrier, ENOENT-
tolerant checked unlinks, exact-path deletion (rm -rf only for an
owned pid-keyed dir or a .sepwork beneath one), and cleanup failure
fails a passing carrier without overwriting its diagnostic. In the
same pass the carriers adapt to the driver contract this branch lands:
--sep and WW_PKGCACHE are gone, -S and the /tmp/ww_run_<pid> scratch
contract are asserted, and rows whose runtime or reject coverage moved
to test/wcc/data fixtures or test/lang @test owners are trimmed to the
byte/artifact/diagnostic observations only they can make.

Repair and adaptation ride together because most files interleave both
in the same hunks; splitting would manufacture intermediate carrier
states that never existed and cannot run against either driver.
This commit is contained in:
Hojun-Cho
2026-08-07 23:02:47 +09:00
parent b2899dd8d3
commit a95a7a316b
132 changed files with 7573 additions and 6172 deletions
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40
test/wcc/697_samemod_prefer.c
View File

@@ -24,6 +24,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/wait.h>
@@ -40,29 +41,46 @@ runwait(const char *cmd)
static int
run_pos(const char *driver, const char *fixdir, const char *tag)
{
/* -o into a /tmp tmpdir so the binary AND `<stem>.sepwork/` land
* outside the repo; the cd keeps source-dir-first import search
/* -o puts the binary and caller-owned `<stem>.sepwork/` under the
* acquired directory; the cd keeps source-dir-first import search
* resolving `use mod1; use mod2;`. */
char td[1024];
char td[1024], outbin[1024], sepwork[1100];
snprintf(td, sizeof td, "/tmp/smprefer_%d_%s", getpid(), tag);
mkdir(td, 0755);
char rmcmd[1152];
snprintf(rmcmd, sizeof rmcmd, "rm -rf %s", td);
if (mkdir(td, 0755) != 0) {
fprintf(stderr, "samemod_prefer[%s]: mkdir %s failed\n", tag, td);
return 1;
}
snprintf(outbin, sizeof outbin, "%s/pos", td);
snprintf(sepwork, sizeof sepwork, "%s/pos.sepwork", td);
char cmd[2048];
snprintf(cmd, sizeof cmd,
"cd %s && %s build -o %s/pos pos.ww >/dev/null 2>&1",
fixdir, driver, td);
int fail = 0;
if (runwait(cmd) != 0) {
fprintf(stderr,
"samemod_prefer[%s]: pos.ww build failed — bare-leaf "
"`read` lookup likely cross-bound\n", tag);
runwait(rmcmd);
return 1;
fail = 1;
}
runwait(rmcmd);
return 0;
snprintf(cmd, sizeof cmd, "rm -rf %s", sepwork);
if (runwait(cmd) != 0) {
fprintf(stderr, "samemod_prefer[%s]: cleanup %s failed\n",
tag, sepwork);
fail = 1;
}
if (unlink(outbin) != 0 && errno != ENOENT) {
fprintf(stderr, "samemod_prefer[%s]: cleanup %s failed\n",
tag, outbin);
fail = 1;
}
if (rmdir(td) != 0) {
fprintf(stderr, "samemod_prefer[%s]: cleanup %s failed\n", tag, td);
fail = 1;
}
return fail;
}
int