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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/storageapi/messageapi/storagemessage.h>
#include <vespa/vespalib/gtest/gtest.h>
using namespace ::testing;
namespace storage::api {
namespace {
size_t hash_of(const vespalib::string & cluster, const lib::NodeType& type, uint16_t index) {
return StorageMessageAddress(&cluster, type, index).internal_storage_hash();
}
}
TEST(StorageMessageAddressTest, storage_hash_covers_all_expected_fields) {
EXPECT_EQ(hash_of("foo", lib::NodeType::STORAGE, 0),
hash_of("foo", lib::NodeType::STORAGE, 0));
EXPECT_EQ(hash_of("foo", lib::NodeType::DISTRIBUTOR, 0),
hash_of("foo", lib::NodeType::DISTRIBUTOR, 0));
EXPECT_EQ(hash_of("foo", lib::NodeType::STORAGE, 123),
hash_of("foo", lib::NodeType::STORAGE, 123));
EXPECT_EQ(hash_of("foo", lib::NodeType::STORAGE, 0),
hash_of("bar", lib::NodeType::STORAGE, 0));
// These tests are all true with extremely high probability, though they do
// depend on a hash function that may inherently cause collisions.
EXPECT_NE(hash_of("foo", lib::NodeType::STORAGE, 0),
hash_of("foo", lib::NodeType::DISTRIBUTOR, 0));
EXPECT_NE(hash_of("foo", lib::NodeType::STORAGE, 0),
hash_of("foo", lib::NodeType::STORAGE, 1));
EXPECT_EQ(16u, sizeof(StorageMessageAddress));
EXPECT_EQ(80u, sizeof(StorageMessage));
EXPECT_EQ(16u, sizeof(mbus::Trace));
}
} // storage::api
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