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# frozen_string_literal: true
require_relative 'helper'
# ruby -w -Itest test/cluster_abnormal_state_test.rb
class TestClusterAbnormalState < Minitest::Test
include Helper::Cluster
def test_the_state_of_cluster_down
redis_cluster_down do
assert_raises(Redis::CommandError, 'CLUSTERDOWN Hash slot not served') do
redis.set('key1', 1)
end
assert_equal 'fail', redis.cluster(:info).fetch('cluster_state')
end
end
def test_the_state_of_cluster_failover
redis_cluster_failover do
10.times do |i|
assert_equal 'OK', r.set("key#{i}", i)
end
10.times do |i|
assert_equal i.to_s, r.get("key#{i}")
end
assert_equal 'ok', redis.cluster(:info).fetch('cluster_state')
end
end
def test_the_state_of_cluster_node_failure
redis_cluster_fail_master do
assert_raises(Redis::CannotConnectError, 'Error connecting to Redis on 127.0.0.1:7002') do
r.set('key0', 0)
end
10.times do |i|
assert_equal 'OK', r.set("key#{i}", i)
end
10.times do |i|
assert_equal i.to_s, r.get("key#{i}")
end
assert_equal 'ok', redis.cluster(:info).fetch('cluster_state')
end
end
def test_raising_error_when_nodes_are_not_cluster_mode
assert_raises(Redis::CannotConnectError, 'Redis client could not connect to any cluster nodes') do
build_another_client(cluster: %W[redis://127.0.0.1:#{PORT}])
end
end
end
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