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start_test_helper() {
local endpoint="$1"
export CRSH_IPC_ENDPOINT="${endpoint}"
export CRSH_URL="dummy"
"${STORAGE_TEST_HELPER}" &
local attempts=0
while [ $attempts -lt 50 ]; do
if "${STORAGE_TEST_CLIENT}" "${endpoint}" ping >/dev/null 2>&1; then
return 0
fi
sleep 0.1
attempts=$((attempts + 1))
done
test_failed_internal "Test storage helper failed to start (no response to ping)"
}
SUITE_remote_helper_PROBE() {
if ! python3 --version >/dev/null 2>&1; then
echo "python3 is not available"
fi
}
SUITE_remote_helper_SETUP() {
unset CCACHE_NODIRECT
# Keep the helper alive long enough for the whole test case. A short
# timeout makes the direct-connection checks flaky on slower systems since
# the second compile is a local hit and doesn't touch the helper.
export CRSH_IDLE_TIMEOUT="30"
export CRSH_LOGFILE="ccache-storage-test.log"
generate_code 1 test.c
}
SUITE_remote_helper() {
# -------------------------------------------------------------------------
TEST "Helper auto-spawn and basic operations"
export CCACHE_REMOTE_STORAGE="test://dummy helper=${STORAGE_TEST_HELPER}"
# First compilation: miss, ccache spawns helper and stores
$CCACHE_COMPILE -c test.c
expect_stat direct_cache_hit 0
expect_stat cache_miss 1
expect_stat files_in_cache 2
expect_stat remote_storage_hit 0
expect_stat remote_storage_miss 1
expect_stat remote_storage_read_hit 0
expect_stat remote_storage_read_miss 2 # result + manifest
expect_stat remote_storage_write 2 # result + manifest
# Second compilation: local hit (helper stays alive)
$CCACHE_COMPILE -c test.c
expect_stat direct_cache_hit 1
expect_stat cache_miss 1
expect_stat files_in_cache 2
expect_stat remote_storage_hit 0
expect_stat remote_storage_miss 1
# Clear local cache
$CCACHE -C >/dev/null
expect_stat files_in_cache 0
# Third compilation: remote hit from spawned helper
$CCACHE_COMPILE -c test.c
expect_stat direct_cache_hit 2
expect_stat cache_miss 1
expect_stat files_in_cache 2 # fetched from helper
expect_stat remote_storage_hit 1
expect_stat remote_storage_miss 1
expect_stat remote_storage_read_hit 2 # result + manifest
expect_stat remote_storage_read_miss 2
expect_stat remote_storage_write 2
$CCACHE --stop-storage-helpers
# -------------------------------------------------------------------------
TEST "Helper reuse across compilations"
export CCACHE_REMOTE_STORAGE="test://dummy2 helper=${STORAGE_TEST_HELPER}"
# Multiple compilations should reuse same spawned helper
for i in 1 2 3; do
generate_code $i test.c
$CCACHE_COMPILE -c test.c
expect_stat cache_miss $i
done
expect_stat files_in_cache 6 # 3 results + 3 manifests
$CCACHE --stop-storage-helpers
# -------------------------------------------------------------------------
TEST "Direct crsh: connection"
local endpoint="test.sock"
if $HOST_OS_WINDOWS; then
endpoint="ccache-test-$$"
fi
start_test_helper "${endpoint}"
export CCACHE_REMOTE_STORAGE="crsh:${endpoint}"
# First compilation - miss, store to test helper
$CCACHE_COMPILE -c test.c
expect_stat direct_cache_hit 0
expect_stat cache_miss 1
expect_stat files_in_cache 2
expect_stat remote_storage_hit 0
expect_stat remote_storage_miss 1
expect_stat remote_storage_read_hit 0
expect_stat remote_storage_read_miss 2 # result + manifest
expect_stat remote_storage_write 2 # result + manifest
# Second compilation - local hit
$CCACHE_COMPILE -c test.c
expect_stat direct_cache_hit 1
expect_stat cache_miss 1
expect_stat files_in_cache 2
expect_stat remote_storage_hit 0
expect_stat remote_storage_miss 1
# Clear local cache
$CCACHE -C >/dev/null
expect_stat files_in_cache 0
# Third compilation - remote hit from test helper
$CCACHE_COMPILE -c test.c
expect_stat direct_cache_hit 2
expect_stat cache_miss 1
expect_stat files_in_cache 2 # fetched from test helper
expect_stat remote_storage_hit 1
expect_stat remote_storage_miss 1
expect_stat remote_storage_read_hit 2 # result + manifest
expect_stat remote_storage_read_miss 2
expect_stat remote_storage_write 2
# -------------------------------------------------------------------------
TEST "Connection failure handling"
local endpoint="nonexistent.sock"
if $HOST_OS_WINDOWS; then
endpoint="ccache-nonexistent-$$"
fi
# Don't start helper - test connection failure
export CCACHE_REMOTE_STORAGE="crsh:${endpoint}"
# Should fall back to local-only operation
$CCACHE_COMPILE -c test.c
expect_stat cache_miss 1
expect_stat files_in_cache 2
expect_stat remote_storage_error 1
}
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