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Raft log - basic tests of state recovery

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This commit is contained in:
Pavel Kirienko
2015-05-03 14:21:41 +03:00
parent a439c62532
commit b1f5313fcb
3 changed files with 166 additions and 11 deletions
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libuavcan/test/protocol/dynamic_node_id_allocation_server.cpp
+89
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@@ -37,6 +37,7 @@ public:
}
};
TEST(DynamicNodeIDAllocationServer, MarshallingStorageDecorator)
{
StorageBackend st;
@@ -117,3 +118,91 @@ TEST(DynamicNodeIDAllocationServer, MarshallingStorageDecorator)
key = "the_cake_is_a_lie";
ASSERT_GT(0, marshaler.get(key, array));
}
TEST(DynamicNodeIDAllocationServer, LogInitialization)
{
// No log data in the storage - initializing empty log
{
StorageBackend storage;
uavcan::dynamic_node_id_server_impl::Log log(storage);
ASSERT_LE(0, log.init());
ASSERT_EQ(0, log.getLastIndex());
ASSERT_EQ(0, log.getEntryAtIndex(0)->term);
ASSERT_EQ(0, log.getEntryAtIndex(0)->node_id);
ASSERT_EQ(uavcan::protocol::dynamic_node_id::server::Entry::FieldTypes::unique_id(),
log.getEntryAtIndex(0)->unique_id);
}
// Nonempty storage, one item
{
StorageBackend storage;
uavcan::dynamic_node_id_server_impl::Log log(storage);
storage.set("log_last_index", "0");
ASSERT_LE(-uavcan::ErrFailure, log.init()); // Expected one entry, none found
storage.set("log0_term", "0");
storage.set("log0_unique_id", "00000000000000000000000000000000");
storage.set("log0_node_id", "0");
ASSERT_LE(0, log.init()); // OK now
ASSERT_EQ(0, log.getLastIndex());
ASSERT_EQ(0, log.getEntryAtIndex(0)->term);
}
// Nonempty storage, broken data
{
StorageBackend storage;
uavcan::dynamic_node_id_server_impl::Log log(storage);
storage.set("log_last_index", "foobar");
ASSERT_LE(-uavcan::ErrFailure, log.init()); // Bad value
storage.set("log_last_index", "128");
ASSERT_LE(-uavcan::ErrFailure, log.init()); // Bad value
storage.set("log_last_index", "0");
ASSERT_LE(-uavcan::ErrFailure, log.init()); // OK
storage.set("log0_term", "0");
storage.set("log0_unique_id", "00000000000000000000000000000000");
storage.set("log0_node_id", "128"); // Bad value (127 max)
ASSERT_LE(-uavcan::ErrFailure, log.init()); // Failed
ASSERT_EQ(0, log.getLastIndex());
ASSERT_EQ(0, log.getEntryAtIndex(0)->term);
}
// Nonempty storage, many items
{
StorageBackend storage;
uavcan::dynamic_node_id_server_impl::Log log(storage);
storage.set("log_last_index", "1"); // 2 items - 0, 1
storage.set("log0_term", "0");
storage.set("log0_unique_id", "00000000000000000000000000000000");
storage.set("log0_node_id", "0");
storage.set("log1_term", "1");
storage.set("log1_unique_id", "0123456789abcdef0123456789abcdef");
storage.set("log1_node_id", "127");
ASSERT_LE(0, log.init()); // OK now
ASSERT_EQ(1, log.getLastIndex());
ASSERT_EQ(0, log.getEntryAtIndex(0)->term);
ASSERT_EQ(0, log.getEntryAtIndex(0)->node_id);
ASSERT_EQ(uavcan::protocol::dynamic_node_id::server::Entry::FieldTypes::unique_id(),
log.getEntryAtIndex(0)->unique_id);
ASSERT_EQ(1, log.getEntryAtIndex(1)->term);
ASSERT_EQ(127, log.getEntryAtIndex(1)->node_id);
uavcan::protocol::dynamic_node_id::server::Entry::FieldTypes::unique_id uid;
uid[0] = 0x01;
uid[1] = 0x23;
uid[2] = 0x45;
uid[3] = 0x67;
uid[4] = 0x89;
uid[5] = 0xab;
uid[6] = 0xcd;
uid[7] = 0xef;
uavcan::copy(uid.begin(), uid.begin() + 8, uid.begin() + 8);
ASSERT_EQ(uid, log.getEntryAtIndex(1)->unique_id);
}
}