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253 lines
14 KiB
253 lines
14 KiB
/**
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* @file setparser_test.cpp
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* @brief Test file for unit testing 'SetParser' type, responsible of parsing
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* non-trivial 'SET' statements. This test is executed via the wrapper tap test
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* 'setparser_test-t'.
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* This file is an extension of ../../set_parser_test/setparsertest.cpp
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*/
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#include "re2/re2.h"
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#include "re2/regexp.h"
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#include "util/test.h"
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#include "set_parser.h"
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#include <string>
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#include <vector>
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#include <map>
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#include <algorithm>
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#include <iostream>
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// *******************************************************************************************
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/**
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* TODO: This should be fixed once we have improved include hierarchy. All the following
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* includes are required to avoid the following linker error related to 'GloMyLdapAuth':
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*
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* ```
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* /usr/bin/ld: ../../../lib/libproxysql.a(ProxySQL_GloVars.oo): in function `ProxySQL_GlobalVariables::generate_global_checksum()':
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* /home/javjarfer/Projects/proxysql_v2.2.0/lib/ProxySQL_GloVars.cpp:374: undefined reference to `GloMyLdapAuth'
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* ```
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*
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* For now we just declare it locally to avoid the linking error.
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*/
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#include "openssl/ssl.h"
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#include "proxysql_structs.h"
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#include "MySQL_LDAP_Authentication.hpp"
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MySQL_LDAP_Authentication *GloMyLdapAuth = nullptr;
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// ******************************************************************************************
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bool iequals(const std::string& a, const std::string& b)
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{
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unsigned int sz = a.size();
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if (b.size() != sz)
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return false;
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for (unsigned int i = 0; i < sz; ++i)
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if (tolower(a[i]) != tolower(b[i]))
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return false;
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return true;
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}
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void printMap(const std::string query, std::map<std::string, std::vector<std::string>> map) {
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std::cout << "Query: " << query << "\r\n";
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for (const auto& entry : map) {
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std::cout << " - Key: " << entry.first << "\r\n";
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for (const auto& value : entry.second) {
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std::cout << " + Value: " << value << "\r\n";
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}
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}
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std::cout << "\r\n";
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}
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struct Expected {
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const char* var;
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std::vector<std::string> values;
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Expected(const char* var, std::vector<std::string> values): var(var), values(values){};
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};
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struct Test {
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const char* query;
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std::vector<Expected> results;
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};
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static Test sql_mode[] = {
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{ "SET @@sql_mode = 'TRADITIONAL'", { Expected("sql_mode", {"TRADITIONAL"}) } },
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{ "SET SESSION sql_mode = 'TRADITIONAL'", { Expected("sql_mode", {"TRADITIONAL"}) } },
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{ "SET @@session.sql_mode = 'TRADITIONAL'", { Expected("sql_mode", {"TRADITIONAL"}) } },
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{ "SET sql_mode = 'TRADITIONAL'", { Expected("sql_mode", {"TRADITIONAL"}) } },
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{ "SET SQL_MODE ='TRADITIONAL'", { Expected("sql_mode", {"TRADITIONAL"}) } },
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{ "SET SQL_MODE = \"TRADITIONAL\"", { Expected("sql_mode", {"TRADITIONAL"}) } },
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{ "SET SQL_MODE = TRADITIONAL", { Expected("sql_mode", {"TRADITIONAL"}) } },
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{ "set sql_mode = IFNULL(NULL,\"STRICT_TRANS_TABLES\")", { Expected("sql_mode", {"IFNULL(NULL,\"STRICT_TRANS_TABLES\")"}) } },
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{ "set sql_mode = IFNULL(NULL,'STRICT_TRANS_TABLES')", { Expected("sql_mode", {"IFNULL(NULL,'STRICT_TRANS_TABLES')"}) } },
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{ "SET @@SESSION.sql_mode = CONCAT(CONCAT(@@sql_mode, ', STRICT_ALL_TABLES'), ', NO_AUTO_VALUE_ON_ZERO')", { Expected("sql_mode", {"CONCAT(CONCAT(@@sql_mode, ', STRICT_ALL_TABLES'), ', NO_AUTO_VALUE_ON_ZERO')"}) } },
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{ "set session sql_mode = 'ONLY_FULL_GROUP_BY'" , { Expected("sql_mode", {"ONLY_FULL_GROUP_BY"}) } },
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{ "SET sql_mode = 'NO_ZERO_DATE,STRICT_ALL_TABLES,ONLY_FULL_GROUP_BY'" , { Expected("sql_mode", {"NO_ZERO_DATE,STRICT_ALL_TABLES,ONLY_FULL_GROUP_BY"}) } },
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{ "SET @@sql_mode = CONCAT(@@sql_mode, ',', 'ONLY_FULL_GROUP_BY')" , { Expected("sql_mode", {"CONCAT(@@sql_mode, ',', 'ONLY_FULL_GROUP_BY')"}) } },
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{ "SET @@sql_mode = REPLACE(REPLACE(REPLACE(@@sql_mode, 'ONLY_FULL_GROUP_BY,', ''),',ONLY_FULL_GROUP_BY', ''),'ONLY_FULL_GROUP_BY', '')" , { Expected("sql_mode", {"REPLACE(REPLACE(REPLACE(@@sql_mode, 'ONLY_FULL_GROUP_BY,', ''),',ONLY_FULL_GROUP_BY', ''),'ONLY_FULL_GROUP_BY', '')"}) } },
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{ "SET @@sql_mode = REPLACE( REPLACE( REPLACE( @@sql_mode, 'ONLY_FULL_GROUP_BY,', ''),',ONLY_FULL_GROUP_BY', ''),'ONLY_FULL_GROUP_BY', '')" , { Expected("sql_mode", {"REPLACE( REPLACE( REPLACE( @@sql_mode, 'ONLY_FULL_GROUP_BY,', ''),',ONLY_FULL_GROUP_BY', ''),'ONLY_FULL_GROUP_BY', '')"}) } },
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// { "SET @@SESSION.sql_mode = CONCAT(CONCAT(@@sql_mode, ', STRICT_ALL_TABLES'), ', NO_AUTO_VALUE_ON_ZERO')", { Expected("sql_mode", {"CONCAT(CONCAT(@@sql_mode, ', STRICT_ALL_TABLES'), ', NO_AUTO_VALUE_ON_ZERO')"}) } },
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{ "SET SQL_MODE=IFNULL(@@sql_mode,'')", { Expected("sql_mode", { "IFNULL(@@sql_mode,'')" } ) } },
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{ "SET SQL_MODE=IFNULL(@old_sql_mode,'')", { Expected("sql_mode", { "IFNULL(@old_sql_mode,'')" } ) } },
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{ "SET SQL_MODE=IFNULL(@OLD_SQL_MODE,'')", { Expected("sql_mode", { "IFNULL(@OLD_SQL_MODE,'')" } ) } },
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// Complex queries involving 'SELECT' and surrounding parenthesis should be parsed properly
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{ "SET sql_mode=(SELECT CONCAT(@@sql_mode, ',PIPES_AS_CONCAT,NO_ENGINE_SUBSTITUTION'))", { Expected("sql_mode", { "(SELECT CONCAT(@@sql_mode, ',PIPES_AS_CONCAT,NO_ENGINE_SUBSTITUTION'))" } ) } },
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{ "SET sql_mode=(SELECT CONCAT(@@sql_mode, ',PIPES_AS_CONCAT,NO_ENGINE_SUBSTITUTION')), time_zone = '+00:00', NAMES utf8mb4 COLLATE utf8mb4_unicode_ci",
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{
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Expected("sql_mode", { "(SELECT CONCAT(@@sql_mode, ',PIPES_AS_CONCAT,NO_ENGINE_SUBSTITUTION'))" } ),
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Expected("time_zone", { "+00:00" } ),
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Expected("names", {"utf8mb4", "utf8mb4_unicode_ci"} )
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}
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},
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// Empty set of 'sql_mode' should result into an empty value
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{ "SET sql_mode=''", { Expected("sql_mode", { "" } ) } },
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// Invalid 'non-matching' versions of 'sql_mode' should result into 'non-matching'
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{ "SET sql_mode=(SELECT CONCA(@@sql_mode, ',PIPES_AS_CONCAT,NO_ENGINE_SUBSTITUTION'))", {} },
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{ "SET sql_mode=(SELECT CONCAT(@sql_mode, ',PIPES_AS_CONCAT,NO_ENGINE_SUBSTITUTION'))", {} },
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{ "SET sql_mode=(SELECT CONCAT(@@sql_mode, ',PIPES_AS_CONCAT[,NO_ENGINE_SUBSTITUTION'))", {} },
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{ "SET sql_mode=(SELCT CONCAT(@@sql_mode, ',PIPES_AS_CONCAT[,NO_ENGINE_SUBSTITUTION'))", {} }
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};
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void TestParse(const Test* tests, int ntests, const std::string& title) {
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for (int i = 0; i < ntests; i++) {
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std::map<std::string, std::vector<std::string>> data;
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for(auto it = std::begin(tests[i].results); it != std::end(tests[i].results); ++it) {
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data[it->var] = it->values;
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}
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SetParser parser(tests[i].query);
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std::map<std::string, std::vector<std::string>> result = parser.parse1();
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printMap("result", result);
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printMap("expected", data);
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CHECK_EQ(result.size(), data.size());
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CHECK(std::equal(std::begin(result), std::end(result), std::begin(data)));
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}
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}
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TEST(TestParse, SET_SQL_MODE) {
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TestParse(sql_mode, arraysize(sql_mode), "sql_mode");
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}
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static Test time_zone[] = {
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{ "SET @@time_zone = 'Europe/Paris'", { Expected("time_zone", {"Europe/Paris"}) } },
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{ "SET @@time_zone = '+00:00'", { Expected("time_zone", {"+00:00"}) } },
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{ "SET @@time_zone = \"Europe/Paris\"", { Expected("time_zone", {"Europe/Paris"}) } },
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{ "SET @@time_zone = \"+00:00\"", { Expected("time_zone", {"+00:00"}) } },
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{ "SET @@time_zone = @OLD_TIME_ZONE", { Expected("time_zone", {"@OLD_TIME_ZONE"}) } },
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{ "SET @@TIME_ZONE = @OLD_TIME_ZONE", { Expected("time_zone", {"@OLD_TIME_ZONE"}) } },
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};
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TEST(TestParse, SET_TIME_ZONE) {
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TestParse(time_zone, arraysize(time_zone), "time_zone");
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}
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static Test session_track_gtids[] = {
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{ "SET @@session_track_gtids = OFF", { Expected("session_track_gtids", {"OFF"}) } },
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{ "SET @@session_track_gtids = OWN_GTID", { Expected("session_track_gtids", {"OWN_GTID"}) } },
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{ "SET @@SESSION.session_track_gtids = OWN_GTID", { Expected("session_track_gtids", {"OWN_GTID"}) } },
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{ "SET SESSION session_track_gtids = OWN_GTID", { Expected("session_track_gtids", {"OWN_GTID"}) } },
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{ "SET @@session_track_gtids = ALL_GTIDS", { Expected("session_track_gtids", {"ALL_GTIDS"}) } },
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{ "SET @@SESSION.session_track_gtids = ALL_GTIDS", { Expected("session_track_gtids", {"ALL_GTIDS"}) } },
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{ "SET SESSION session_track_gtids = ALL_GTIDS", { Expected("session_track_gtids", {"ALL_GTIDS"}) } },
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};
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TEST(TestParse, SET_SESSION_TRACK_GTIDS) {
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TestParse(session_track_gtids, arraysize(session_track_gtids), "session_track_gtids");
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}
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static Test character_set_results[] = {
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{ "SET @@character_set_results = utf8", { Expected("character_set_results", {"utf8"}) } },
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{ "SET @@character_set_results = NULL", { Expected("character_set_results", {"NULL"}) } },
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{ "SET character_set_results = NULL", { Expected("character_set_results", {"NULL"}) } },
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{ "SET @@session.character_set_results = NULL", { Expected("character_set_results", {"NULL"}) } },
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{ "SET session character_set_results = NULL", { Expected("character_set_results", {"NULL"}) } },
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};
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TEST(TestParse, SET_CHARACTER_SET_RESULTS) {
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TestParse(character_set_results, arraysize(character_set_results), "character_set_results");
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}
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static Test names[] = {
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{ "SET NAMES utf8", { Expected("names", {"utf8"}) } },
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{ "SET NAMES 'utf8'", { Expected("names", {"utf8"}) } },
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{ "SET NAMES \"utf8\"", { Expected("names", {"utf8"}) } },
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{ "SET NAMES utf8 COLLATE unicode_ci", { Expected("names", {"utf8", "unicode_ci"}) } },
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};
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TEST(TestParse, SET_NAMES) {
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TestParse(names, arraysize(names), "names");
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}
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static Test various[] = {
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{ "SET @@SESSION.SQL_SELECT_LIMIT= DEFAULT", { Expected("sql_select_limit", {"DEFAULT"}) } },
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{ "SET @@SQL_SELECT_LIMIT= DEFAULT", { Expected("sql_select_limit", {"DEFAULT"}) } },
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{ "SET SESSION SQL_SELECT_LIMIT = DEFAULT", { Expected("sql_select_limit", {"DEFAULT"}) } },
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{ "SET @@SESSION.SQL_SELECT_LIMIT= 1234", { Expected("sql_select_limit", {"1234"}) } },
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{ "SET @@SQL_SELECT_LIMIT= 1234", { Expected("sql_select_limit", {"1234"}) } },
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{ "SET SESSION SQL_SELECT_LIMIT = 1234", { Expected("sql_select_limit", {"1234"}) } },
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{ "SET @@SESSION.SQL_SELECT_LIMIT= 1234", { Expected("sql_select_limit", {"1234"}) } },
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{ "SET @@SESSION.SQL_SELECT_LIMIT= @old_sql_select_limit", { Expected("sql_select_limit", {"@old_sql_select_limit"}) } },
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{ "SET SQL_SELECT_LIMIT= @old_sql_select_limit", { Expected("sql_select_limit", {"@old_sql_select_limit"}) } },
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{ "SET @@SESSION.sql_auto_is_null = 0", { Expected("sql_auto_is_null", {"0"}) } },
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{ "SET SESSION sql_auto_is_null = 1", { Expected("sql_auto_is_null", {"1"}) } },
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{ "SET sql_auto_is_null = OFF", { Expected("sql_auto_is_null", {"OFF"}) } },
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{ "SET @@sql_auto_is_null = ON", { Expected("sql_auto_is_null", {"ON"}) } },
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{ "SET @@SESSION.sql_safe_updates = 0", { Expected("sql_safe_updates", {"0"}) } },
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{ "SET SESSION sql_safe_updates = 1", { Expected("sql_safe_updates", {"1"}) } },
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{ "SET SQL_SAFE_UPDATES = OFF", { Expected("sql_safe_updates", {"OFF"}) } },
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{ "SET @@sql_safe_updates = ON", { Expected("sql_safe_updates", {"ON"}) } },
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};
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TEST(TestParse, SET_VARIOUS) {
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TestParse(various, arraysize(various), "various");
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}
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static Test multiple[] = {
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{ "SET time_zone = 'Europe/Paris', sql_mode = 'TRADITIONAL'", { Expected("time_zone", {"Europe/Paris"}), Expected("sql_mode", {"TRADITIONAL"}) } },
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{ "SET time_zone = 'Europe/Paris', sql_mode = IFNULL(NULL,\"STRICT_TRANS_TABLES\")", { Expected("time_zone", {"Europe/Paris"}), Expected("sql_mode", {"IFNULL(NULL,\"STRICT_TRANS_TABLES\")"}) } },
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{ "SET sql_mode = 'TRADITIONAL', NAMES 'utf8 COLLATE 'unicode_ci'", { Expected("sql_mode", {"TRADITIONAL"}), Expected("names", {"utf8", "unicode_ci"}) } },
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{ "SET @@SESSION.sql_mode = CONCAT(CONCAT(@@sql_mode, ',STRICT_ALL_TABLES'), ',NO_AUTO_VALUE_ON_ZERO'), @@SESSION.sql_auto_is_null = 0, @@SESSION.wait_timeout = 2147483",
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{ Expected("sql_mode", {"CONCAT(CONCAT(@@sql_mode, ',STRICT_ALL_TABLES'), ',NO_AUTO_VALUE_ON_ZERO')"}), Expected("sql_auto_is_null", {"0"}),
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Expected("wait_timeout", {"2147483"}) } },
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{ "set autocommit=1, sql_mode = concat(@@sql_mode,',STRICT_TRANS_TABLES')", { Expected("autocommit", {"1"}), Expected("sql_mode", {"concat(@@sql_mode,',STRICT_TRANS_TABLES')"}) } },
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{ "SET NAMES utf8, @@SESSION.sql_mode = CONCAT(REPLACE(REPLACE(REPLACE(@@sql_mode, 'STRICT_TRANS_TABLES', ''), 'STRICT_ALL_TABLES', ''), 'TRADITIONAL', ''), ',NO_AUTO_VALUE_ON_ZERO'), @@SESSION.sql_auto_is_null = 0, @@SESSION.wait_timeout = 3600",
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{ Expected("names", {"utf8"}), Expected("sql_mode", {"CONCAT(REPLACE(REPLACE(REPLACE(@@sql_mode, 'STRICT_TRANS_TABLES', ''), 'STRICT_ALL_TABLES', ''), 'TRADITIONAL', ''), ',NO_AUTO_VALUE_ON_ZERO')"}), Expected("sql_auto_is_null", {"0"}),
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Expected("wait_timeout", {"3600"}) } },
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{ "set autocommit=1, session_track_schema=1, sql_mode = concat(@@sql_mode,',STRICT_TRANS_TABLES'), @@SESSION.net_write_timeout=7200", { Expected("autocommit", {"1"}), Expected("session_track_schema", {"1"}), Expected("sql_mode", {"concat(@@sql_mode,',STRICT_TRANS_TABLES')"}),
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Expected("net_write_timeout", {"7200"}) } },
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// Mutiple set queries involving 'NULL' values should be properly parsed with and without spaces
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{ "set character_set_results=null, names latin7, character_set_client='utf8mb4'",
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{
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Expected("character_set_results", { "null" } ),
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Expected("names", { "latin7" } ),
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Expected("character_set_client", { "utf8mb4" } ),
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}
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},
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{ "SET character_set_results=NULL, NAMES latin7, character_set_client='utf8mb4'",
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{
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Expected("character_set_results", { "NULL" } ),
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Expected("names", { "latin7" } ),
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Expected("character_set_client", { "utf8mb4" } ),
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}
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},
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{ "set character_set_results=null,names latin7,character_set_client='utf8mb4'",
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{
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Expected("character_set_results", { "null" } ),
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Expected("names", { "latin7" } ),
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Expected("character_set_client", { "utf8mb4" } ),
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}
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},
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{ "SET character_set_results=NULL,NAMES latin7,character_set_client='utf8mb4'",
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{
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Expected("character_set_results", { "NULL" } ),
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Expected("names", { "latin7" } ),
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Expected("character_set_client", { "utf8mb4" } ),
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}
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},
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};
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TEST(TestParse, MULTIPLE) {
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TestParse(multiple, arraysize(multiple), "multiple");
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}
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