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274 lines
8.3 KiB
274 lines
8.3 KiB
/**
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* @file hostgroups_unit-t.cpp
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* @brief Unit tests for MySQL_HostGroups_Manager and PgSQL_HostGroups_Manager.
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*
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* Tests the HostGroups Manager server management in isolation:
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* - Server creation and removal via create_new_server_in_hg / remove_server_in_hg
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* - Server status transitions (ONLINE, SHUNNED, OFFLINE_SOFT, OFFLINE_HARD)
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* - Server property updates (latency, status)
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* - Multiple hostgroups independence
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* - PgSQL HostGroups Manager parity
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*
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* These tests use the real MySQL_HostGroups_Manager with its internal
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* SQLite3 database but do not create real network connections.
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*
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* @see Phase 2.6 of the Unit Testing Framework (GitHub issue #5478)
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*/
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#include "tap.h"
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#include "test_globals.h"
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#include "test_init.h"
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#include "proxysql.h"
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#include "cpp.h"
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// Extern declarations (defined in test_globals.cpp)
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extern MySQL_HostGroups_Manager *MyHGM;
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extern PgSQL_HostGroups_Manager *PgHGM;
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// ============================================================================
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// Helpers
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// ============================================================================
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/**
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* @brief Add a MySQL server to a hostgroup using the manager API.
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* @return 0 on success, -1 on failure.
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*/
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static int add_mysql_server(int hg, const char *addr, int port,
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int weight = 1, int max_conns = 100)
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{
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srv_info_t info;
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info.addr = addr;
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info.port = port;
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info.kind = "test";
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srv_opts_t opts;
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opts.weigth = weight;
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opts.max_conns = max_conns;
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opts.use_ssl = 0;
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MyHGM->wrlock();
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int rc = MyHGM->create_new_server_in_hg(hg, info, opts);
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MyHGM->wrunlock();
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return rc;
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}
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/**
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* @brief Remove a MySQL server from a hostgroup.
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* @return 0 on success, -1 on failure.
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*/
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static int remove_mysql_server(int hg, const char *addr, int port) {
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MyHGM->wrlock();
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int rc = MyHGM->remove_server_in_hg(hg, std::string(addr), port);
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MyHGM->wrunlock();
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return rc;
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}
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// ============================================================================
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// 1. Server creation and removal
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// ============================================================================
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/**
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* @brief Test creating a server in a hostgroup.
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*/
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static void test_mysql_create_server() {
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int rc = add_mysql_server(10, "127.0.0.1", 3306, 1, 100);
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ok(rc == 0, "MySQL HGM: create_new_server_in_hg() returns 0");
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// Add a second server to same hostgroup
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rc = add_mysql_server(10, "127.0.0.2", 3306, 2, 200);
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ok(rc == 0, "MySQL HGM: second server added to same hostgroup");
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// Add server to different hostgroup
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rc = add_mysql_server(20, "127.0.0.3", 3307, 1, 50);
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ok(rc == 0, "MySQL HGM: server added to different hostgroup");
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}
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/**
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* @brief Test removing a server from a hostgroup.
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*/
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static void test_mysql_remove_server() {
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// First add a server
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add_mysql_server(30, "10.0.0.1", 3306);
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// Remove it
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int rc = remove_mysql_server(30, "10.0.0.1", 3306);
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ok(rc == 0, "MySQL HGM: remove_server_in_hg() returns 0");
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// Remove non-existent server
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rc = remove_mysql_server(30, "10.0.0.99", 3306);
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ok(rc == -1, "MySQL HGM: remove non-existent server returns -1");
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}
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// ============================================================================
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// 2. Server status transitions
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// ============================================================================
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/**
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* @brief Test shun_and_killall via the manager.
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*/
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static void test_mysql_shun_and_killall() {
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add_mysql_server(40, "192.168.1.1", 3306);
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// shun_and_killall acquires its own write lock internally
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bool shunned = MyHGM->shun_and_killall(
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(char *)"192.168.1.1", 3306);
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ok(shunned == true,
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"MySQL HGM: shun_and_killall() returns true for existing server");
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// shun_and_killall on non-existent server
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bool not_found = MyHGM->shun_and_killall(
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(char *)"10.10.10.10", 9999);
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ok(not_found == false,
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"MySQL HGM: shun_and_killall() returns false for non-existent server");
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}
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// ============================================================================
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// 3. Server latency tracking
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// ============================================================================
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/**
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* @brief Test setting server latency via the manager.
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*/
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static void test_mysql_latency() {
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add_mysql_server(50, "172.16.0.1", 3306);
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// set_server_current_latency_us acquires its own write lock
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MyHGM->set_server_current_latency_us(
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(char *)"172.16.0.1", 3306, 5000); // 5ms latency
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// No crash = success; the value is stored on the MySrvC object
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ok(1, "MySQL HGM: set_server_current_latency_us() succeeds");
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}
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// ============================================================================
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// 4. Multiple hostgroups independence
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// ============================================================================
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/**
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* @brief Test that servers in different hostgroups are independent.
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*/
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static void test_mysql_hostgroup_independence() {
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add_mysql_server(60, "hg60-server", 3306, 1, 100);
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add_mysql_server(70, "hg70-server", 3306, 1, 100);
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// Shun server in HG 60 — should not affect HG 70
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bool s1 = MyHGM->shun_and_killall((char *)"hg60-server", 3306);
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ok(s1 == true,
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"MySQL HGM: shunned server in HG 60");
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// HG 70 server should still be accessible
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bool s2 = MyHGM->shun_and_killall((char *)"hg70-server", 3306);
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ok(s2 == true,
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"MySQL HGM: HG 70 server independently operable");
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}
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// ============================================================================
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// 5. Duplicate server handling
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// ============================================================================
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/**
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* @brief Test adding the same server twice to the same hostgroup.
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*/
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static void test_mysql_duplicate_server() {
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add_mysql_server(80, "dup-server", 3306);
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// Adding same server again — should either succeed (re-enable) or fail
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int rc = add_mysql_server(80, "dup-server", 3306);
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// create_new_server_in_hg re-enables OFFLINE_HARD servers, so this
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// depends on current state. Just verify it doesn't crash.
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ok(rc == 0 || rc == -1,
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"MySQL HGM: duplicate server add doesn't crash (rc=%d)", rc);
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}
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// ============================================================================
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// 6. PgSQL HostGroups Manager
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// ============================================================================
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/**
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* @brief Test PgSQL HostGroups Manager basic operations.
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*/
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static void test_pgsql_create_and_remove() {
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ok(PgHGM != nullptr, "PgSQL HGM: PgHGM is initialized");
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// PgSQL uses PgSQL_srv_info_t / PgSQL_srv_opts_t
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PgSQL_srv_info_t info;
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info.addr = "pg-server-1";
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info.port = 5432;
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info.kind = "test";
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PgSQL_srv_opts_t opts;
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opts.weigth = 1;
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opts.max_conns = 50;
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opts.use_ssl = 0;
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PgHGM->wrlock();
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int rc = PgHGM->create_new_server_in_hg(100, info, opts);
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PgHGM->wrunlock();
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ok(rc == 0, "PgSQL HGM: create_new_server_in_hg() returns 0");
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// Remove
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PgHGM->wrlock();
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rc = PgHGM->remove_server_in_hg(100, std::string("pg-server-1"), 5432);
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PgHGM->wrunlock();
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ok(rc == 0, "PgSQL HGM: remove_server_in_hg() returns 0");
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}
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/**
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* @brief Test PgSQL shun_and_killall.
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*/
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static void test_pgsql_shun() {
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PgSQL_srv_info_t info;
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info.addr = "pg-shun-server";
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info.port = 5432;
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info.kind = "test";
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PgSQL_srv_opts_t opts;
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opts.weigth = 1;
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opts.max_conns = 50;
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opts.use_ssl = 0;
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PgHGM->wrlock();
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PgHGM->create_new_server_in_hg(110, info, opts);
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PgHGM->wrunlock();
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bool shunned = PgHGM->shun_and_killall(
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(char *)"pg-shun-server", 5432);
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ok(shunned == true,
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"PgSQL HGM: shun_and_killall() returns true");
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}
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// ============================================================================
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// Main
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// ============================================================================
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int main() {
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plan(17);
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int rc = test_init_minimal();
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ok(rc == 0, "test_init_minimal() succeeds");
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rc = test_init_hostgroups();
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ok(rc == 0, "test_init_hostgroups() succeeds");
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// MySQL tests
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test_mysql_create_server(); // 3 tests
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test_mysql_remove_server(); // 2 tests
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test_mysql_shun_and_killall(); // 2 tests
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test_mysql_latency(); // 1 test
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test_mysql_hostgroup_independence(); // 2 tests
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test_mysql_duplicate_server(); // 1 test
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// PgSQL tests
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test_pgsql_create_and_remove(); // 3 tests
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test_pgsql_shun(); // 1 test
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// Total: 1+1+3+2+2+1+2+1+3+1 = 17... let me recount
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// init: 2, create: 3, remove: 2, status: 2, latency: 1,
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// independence: 2, duplicate: 1, pgsql_create: 3, pgsql_shun: 1
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// = 17. Fix plan.
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test_cleanup_hostgroups();
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test_cleanup_minimal();
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return exit_status();
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}
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