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#include <string>
#include <vector>
#include "base/file_stream.h"
#include "base/singleton.h"
#include "base/util.h"
#include "converter/connector.h"
#include "testing/base/public/gunit.h"
#ifdef MOZC_USE_SEPARATE_CONNECTION_DATA
#include "converter/connection_data_injected_environment.h"
namespace {
const ::testing::Environment *kConnectionDataInjectedEnvironment =
::testing::AddGlobalTestEnvironment(
new ::mozc::ConnectionDataInjectedEnvironment());
} // namespace
#endif // MOZC_USE_SEPARATE_CONNECTION_DATA
DECLARE_string(test_srcdir);
DEFINE_string(connection_text_file, "data/dictionary/connection.txt",
"Path to connection file.");
namespace mozc {
namespace {
bool ParseLine(const string &line, uint16 *rid, uint16 *lid, int *cost) {
DCHECK(rid);
DCHECK(lid);
DCHECK(cost);
vector<string> tokens;
Util::SplitStringUsing(line, " ", &tokens);
if (tokens.size() != 3) {
return false;
}
*rid = atoi32(tokens[0].c_str());
*lid = atoi32(tokens[1].c_str());
*cost = atoi32(tokens[2].c_str());
return true;
}
// Get actual file path for testing
string GetFilePath(const string &path) {
return Util::JoinPath(FLAGS_test_srcdir, path);
}
} // namespace
class ConnectorTest : public testing::Test {
protected:
ConnectorTest() : connector_(new Connector),
data_file_(GetFilePath(FLAGS_connection_text_file)) {}
scoped_ptr<Connector> connector_;
const string data_file_;
};
TEST_F(ConnectorTest, RandomValueCheck) {
InputFileStream ifs(data_file_.c_str());
CHECK(ifs);
string header_line;
EXPECT_TRUE(getline(ifs, header_line));
string line;
const int resolution = connector_->GetResolution();
while (getline(ifs, line)) {
uint16 rid = 0, lid = 0;
int cost = -1;
// connection data have several millions of entries
if (Util::Random(100000) != 0) {
continue;
}
EXPECT_TRUE(ParseLine(line, &rid, &lid, &cost));
EXPECT_GE(cost, 0);
const int actual_cost = connector_->GetTransitionCost(rid, lid);
if (cost == ConnectorInterface::kInvalidCost) {
EXPECT_EQ(cost, actual_cost);
} else {
EXPECT_TRUE(cost == actual_cost ||
(cost - cost % resolution) == actual_cost)
<< "cost: " << cost << ", actual_cost: " << actual_cost;
}
}
}
} // namespace mozc