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use Test::Nginx::Socket 'no_plan';
use Cwd qw(cwd);

my $pwd = cwd();

our $HttpConfig = qq{
lua_package_path "$pwd/lib/?.lua;;";

init_by_lua_block {
    require("luacov.runner").init()
}
};

$ENV{TEST_NGINX_RESOLVER} = '8.8.8.8';
$ENV{TEST_NGINX_REDIS_PORT} ||= 6380;
$ENV{TEST_NGINX_REDIS_PORT_SL1} ||= 6381;
$ENV{TEST_NGINX_REDIS_PORT_SL2} ||= 6382;
$ENV{TEST_NGINX_SENTINEL_PORT1} ||= 6390;
$ENV{TEST_NGINX_SENTINEL_PORT2} ||= 6391;
$ENV{TEST_NGINX_SENTINEL_PORT3} ||= 6392;

no_long_string();
run_tests();

__DATA__

=== TEST 1: Get the master
--- http_config eval: $::HttpConfig
--- config
location /t {
	content_by_lua_block {
		local rc = require("resty.redis.connector").new()

		local sentinel, err = rc:connect{ url = "redis://127.0.0.1:$TEST_NGINX_SENTINEL_PORT1" }
		assert(sentinel and not err, "sentinel should connect without errors but got " .. tostring(err))

		local master, err = require("resty.redis.sentinel").get_master(
			sentinel,
			"mymaster"
		)

		assert(master and not err, "get_master should return the master")

		assert(master.host == "127.0.0.1" and tonumber(master.port) == $TEST_NGINX_REDIS_PORT,
			"host should be 127.0.0.1 and port should be $TEST_NGINX_REDIS_PORT")

		sentinel:close()
	}
}
--- request
GET /t
--- no_error_log
[error]


=== TEST 1b: Get the master directly
--- http_config eval: $::HttpConfig
--- config
location /t {
	content_by_lua_block {
		local rc = require("resty.redis.connector").new()

		local master, err = rc:connect({
            url = "sentinel://mymaster:m/3",
            sentinels = {
                { host = "127.0.0.1", port = $TEST_NGINX_SENTINEL_PORT1 }
            }
        })

		assert(master and not err, "get_master should return the master")
        assert(master:set("foo", "bar"), "set should run without error")
        assert(master:get("foo") == "bar", "get(foo) should return bar")

	    master:close()
	}
}
--- request
GET /t
--- no_error_log
[error]


=== TEST 2: Get slaves
--- http_config eval: $::HttpConfig
--- config
location /t {
    content_by_lua_block {
        local rc = require("resty.redis.connector").new()

        local sentinel, err = rc:connect{ url = "redis://127.0.0.1:$TEST_NGINX_SENTINEL_PORT1" }
        assert(sentinel and not err, "sentinel should connect without error")

        local slaves, err = require("resty.redis.sentinel").get_slaves(
            sentinel,
            "mymaster"
        )

        assert(slaves and not err, "slaves should be returned without error")

		local slaveports = { ["$TEST_NGINX_REDIS_PORT_SL1"] = false, ["$TEST_NGINX_REDIS_PORT_SL2"] = false }

		for _,slave in ipairs(slaves) do
			slaveports[tostring(slave.port)] = true
		end

		assert(slaveports["$TEST_NGINX_REDIS_PORT_SL1"] == true and slaveports["$TEST_NGINX_REDIS_PORT_SL2"] == true,
			"slaves should both be found")

        sentinel:close()
    }
}
--- request
    GET /t
--- no_error_log
[error]


=== TEST 3: Get only healthy slaves
--- http_config eval: $::HttpConfig
--- config
location /t {
    content_by_lua_block {
        local rc = require("resty.redis.connector").new()

        local sentinel, err = rc:connect({ url = "redis://127.0.0.1:$TEST_NGINX_SENTINEL_PORT1" })
		assert(sentinel and not err, "sentinel should connect without error")

        local slaves, err = require("resty.redis.sentinel").get_slaves(
			sentinel,
			"mymaster"
		)

		assert(slaves and not err, "slaves should be returned without error")

		local slaveports = { ["$TEST_NGINX_REDIS_PORT_SL1"] = false, ["$TEST_NGINX_REDIS_PORT_SL2"] = false }

		for _,slave in ipairs(slaves) do
			slaveports[tostring(slave.port)] = true
		end

		assert(slaveports["$TEST_NGINX_REDIS_PORT_SL1"] == true and slaveports["$TEST_NGINX_REDIS_PORT_SL2"] == true,
			"slaves should both be found")

		-- connect to one and remove it
		local r = require("resty.redis.connector").new():connect({
			port = $TEST_NGINX_REDIS_PORT_SL1,
		})
        r:slaveof("127.0.0.1", 7000)

        ngx.sleep(9)

        local slaves, err = require("resty.redis.sentinel").get_slaves(
			sentinel,
			"mymaster"
		)

		assert(slaves and not err, "slaves should be returned without error")

		local slaveports = { ["$TEST_NGINX_REDIS_PORT_SL1"] = false, ["$TEST_NGINX_REDIS_PORT_SL2"] = false }

		for _,slave in ipairs(slaves) do
			slaveports[tostring(slave.port)] = true
		end

		assert(slaveports["$TEST_NGINX_REDIS_PORT_SL1"] == false and slaveports["$TEST_NGINX_REDIS_PORT_SL2"] == true,
			"only $TEST_NGINX_REDIS_PORT_SL2 should be found")

        r:slaveof("127.0.0.1", $TEST_NGINX_REDIS_PORT)

        sentinel:close()
    }
}
--- request
GET /t
--- timeout: 10
--- no_error_log
[error]


=== TEST 4: connector.connect_via_sentinel
--- http_config eval: $::HttpConfig
--- config
location /t {
    content_by_lua_block {
        local rc = require("resty.redis.connector").new()

        local params = {
            sentinels = {
                { host = "127.0.0.1", port = $TEST_NGINX_SENTINEL_PORT1 },
                { host = "127.0.0.1", port = $TEST_NGINX_SENTINEL_PORT2 },
                { host = "127.0.0.1", port = $TEST_NGINX_SENTINEL_PORT3 },
            },
            master_name = "mymaster",
            role = "master",
        }

        local redis, err = rc:connect_via_sentinel(params)
        assert(redis and not err, "redis should connect without error")

        params.role = "slave"

        local redis, err = rc:connect_via_sentinel(params)
        assert(redis and not err, "redis should connect without error")
    }
}
--- request
GET /t
--- no_error_log
[error]


=== TEST 5: regression for slave sorting (iss12)
--- http_config eval: $::HttpConfig
--- config
location /t {
    lua_socket_log_errors Off;
    content_by_lua_block {
        local rc = require("resty.redis.connector").new()

        local params = {
            sentinels = {
                { host = "127.0.0.1", port = $TEST_NGINX_SENTINEL_PORT1 },
                { host = "127.0.0.1", port = $TEST_NGINX_SENTINEL_PORT2 },
                { host = "127.0.0.1", port = $TEST_NGINX_SENTINEL_PORT3 },
            },
            master_name = "mymaster",
            role = "slave",
        }

        -- hotwire get_slaves to expose sorting issue
        local sentinel = require("resty.redis.sentinel")
        sentinel.get_slaves = function()
            return {
                { host = "127.0.0.1", port = $TEST_NGINX_REDIS_PORT_SL1 },
                { host = "127.0.0.1", port = $TEST_NGINX_REDIS_PORT_SL2 },
                { host = "134.123.51.2", port = $TEST_NGINX_REDIS_PORT_SL1 },
            }
        end

        local redis, err = rc:connect_via_sentinel(params)
        assert(redis and not err, "redis should connect without error")
    }
}
--- request
GET /t
--- no_error_log
[error]