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#include "nar-info-disk-cache.hh"
#include <gtest/gtest.h>
#include <rapidcheck/gtest.h>
#include "sqlite.hh"
#include <sqlite3.h>
namespace nix {
TEST(NarInfoDiskCacheImpl, create_and_read) {
// This is a large single test to avoid some setup overhead.
int prio = 12345;
bool wantMassQuery = true;
Path tmpDir = createTempDir();
AutoDelete delTmpDir(tmpDir);
Path dbPath(tmpDir + "/test-narinfo-disk-cache.sqlite");
int savedId;
int barId;
SQLite db;
SQLiteStmt getIds;
{
auto cache = getTestNarInfoDiskCache(dbPath);
// Set up "background noise" and check that different caches receive different ids
{
auto bc1 = cache->createCache("https://bar", "/nix/storedir", wantMassQuery, prio);
auto bc2 = cache->createCache("https://xyz", "/nix/storedir", false, 12);
ASSERT_NE(bc1, bc2);
barId = bc1;
}
// Check that the fields are saved and returned correctly. This does not test
// the select statement yet, because of in-memory caching.
savedId = cache->createCache("http://foo", "/nix/storedir", wantMassQuery, prio);;
{
auto r = cache->upToDateCacheExists("http://foo");
ASSERT_TRUE(r);
ASSERT_EQ(r->priority, prio);
ASSERT_EQ(r->wantMassQuery, wantMassQuery);
ASSERT_EQ(savedId, r->id);
}
// We're going to pay special attention to the id field because we had a bug
// that changed it.
db = SQLite(dbPath);
getIds.create(db, "select id from BinaryCaches where url = 'http://foo'");
{
auto q(getIds.use());
ASSERT_TRUE(q.next());
ASSERT_EQ(savedId, q.getInt(0));
ASSERT_FALSE(q.next());
}
// Pretend that the caches are older, but keep one up to date, as "background noise"
db.exec("update BinaryCaches set timestamp = timestamp - 1 - 7 * 24 * 3600 where url <> 'https://xyz';");
// This shows that the in-memory cache works
{
auto r = cache->upToDateCacheExists("http://foo");
ASSERT_TRUE(r);
ASSERT_EQ(r->priority, prio);
ASSERT_EQ(r->wantMassQuery, wantMassQuery);
}
}
{
// We can't clear the in-memory cache, so we use a new cache object. This is
// more realistic anyway.
auto cache2 = getTestNarInfoDiskCache(dbPath);
{
auto r = cache2->upToDateCacheExists("http://foo");
ASSERT_FALSE(r);
}
// "Update", same data, check that the id number is reused
cache2->createCache("http://foo", "/nix/storedir", wantMassQuery, prio);
{
auto r = cache2->upToDateCacheExists("http://foo");
ASSERT_TRUE(r);
ASSERT_EQ(r->priority, prio);
ASSERT_EQ(r->wantMassQuery, wantMassQuery);
ASSERT_EQ(r->id, savedId);
}
{
auto q(getIds.use());
ASSERT_TRUE(q.next());
auto currentId = q.getInt(0);
ASSERT_FALSE(q.next());
ASSERT_EQ(currentId, savedId);
}
// Check that the fields can be modified, and the id remains the same
{
auto r0 = cache2->upToDateCacheExists("https://bar");
ASSERT_FALSE(r0);
cache2->createCache("https://bar", "/nix/storedir", !wantMassQuery, prio + 10);
auto r = cache2->upToDateCacheExists("https://bar");
ASSERT_EQ(r->wantMassQuery, !wantMassQuery);
ASSERT_EQ(r->priority, prio + 10);
ASSERT_EQ(r->id, barId);
}
// // Force update (no use case yet; we only retrieve cache metadata when stale based on timestamp)
// {
// cache2->createCache("https://bar", "/nix/storedir", wantMassQuery, prio + 20);
// auto r = cache2->upToDateCacheExists("https://bar");
// ASSERT_EQ(r->wantMassQuery, wantMassQuery);
// ASSERT_EQ(r->priority, prio + 20);
// }
}
}
}
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