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util/cache_test: Add test for get/put() with disabled cache

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The disk_cache_create() now always returns valid cache even when disk
cache is disabled. In a case of disabled cache, the disk cache is NO-OP.
Test whether get/put() work as expected for the disabled cache.

Reviewed-by: Rob Clark <robdclark@chromium.org>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24985>
This commit is contained in:
Dmitry Osipenko 2023-09-01 03:36:15 +03:00 • committed by Marge Bot
parent 4547671fc3
commit 0ed4c86873
1 changed files with 60 additions and 0 deletions
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60
src/util/tests/cache_test.cpp
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@ -1278,3 +1278,63 @@ TEST_F(Cache, DatabaseMultipartEviction)
EXPECT_EQ(err, 0) << "Removing " CACHE_TEST_TMP " again";
#endif
}
static void
test_put_and_get_disabled(const char *driver_id)
{
struct disk_cache *cache;
char blob[] = "This is a blob of thirty-seven bytes";
uint8_t blob_key[20];
char *result;
size_t size;
cache = disk_cache_create("test", driver_id, 0);
disk_cache_compute_key(cache, blob, sizeof(blob), blob_key);
/* Ensure that disk_cache_get returns nothing before anything is added. */
result = (char *) disk_cache_get(cache, blob_key, &size);
EXPECT_EQ(result, nullptr) << "disk_cache_get with non-existent item (pointer)";
EXPECT_EQ(size, 0) << "disk_cache_get with non-existent item (size)";
/* Simple test of put and get. */
disk_cache_put(cache, blob_key, blob, sizeof(blob), NULL);
/* disk_cache_put() hands things off to a thread so wait for it. */
disk_cache_wait_for_idle(cache);
result = (char *) disk_cache_get(cache, blob_key, &size);
EXPECT_STREQ(result, nullptr) << "disk_cache_get of existing item (pointer)";
EXPECT_EQ(size, 0) << "disk_cache_get of existing item (size)";
disk_cache_destroy(cache);
}
TEST_F(Cache, Disabled)
{
const char *driver_id = "make_check";
#ifndef ENABLE_SHADER_CACHE
GTEST_SKIP() << "ENABLE_SHADER_CACHE not defined.";
#else
setenv("MESA_DISK_CACHE_SINGLE_FILE", "true", 1);
#ifdef SHADER_CACHE_DISABLE_BY_DEFAULT
setenv("MESA_SHADER_CACHE_DISABLE", "false", 1);
#endif /* SHADER_CACHE_DISABLE_BY_DEFAULT */
test_disk_cache_create(mem_ctx, CACHE_DIR_NAME_SF, driver_id);
test_put_and_get(false, driver_id);
setenv("MESA_SHADER_CACHE_DISABLE", "true", 1);
test_put_and_get_disabled(driver_id);
setenv("MESA_SHADER_CACHE_DISABLE", "false", 1);
setenv("MESA_DISK_CACHE_SINGLE_FILE", "false", 1);
int err = rmrf_local(CACHE_TEST_TMP);
EXPECT_EQ(err, 0) << "Removing " CACHE_TEST_TMP " again";
#endif
}