logstash-output-jdbc/spec/jdbc_spec_helper.rb

171 lines
4.6 KiB
Ruby

require 'logstash/devutils/rspec/spec_helper'
require 'logstash/outputs/jdbc'
require 'stud/temporary'
require 'java'
require 'securerandom'
RSpec.configure do |c|
def start_service(name)
cmd = "sudo /etc/init.d/#{name}* start"
`which systemctl`
if $?.success?
cmd = "sudo systemctl start #{name}"
end
`#{cmd}`
end
def stop_service(name)
cmd = "sudo /etc/init.d/#{name}* stop"
`which systemctl`
if $?.success?
cmd = "sudo systemctl stop #{name}"
end
`#{cmd}`
end
end
RSpec.shared_context 'rspec setup' do
it 'ensure jar is available' do
expect(ENV[jdbc_jar_env]).not_to be_nil, "#{jdbc_jar_env} not defined, required to run tests"
expect(File.exist?(ENV[jdbc_jar_env])).to eq(true), "#{jdbc_jar_env} defined, but not valid"
end
end
RSpec.shared_context 'when initializing' do
it 'shouldn\'t register with a missing jar file' do
jdbc_settings['driver_jar_path'] = nil
plugin = LogStash::Plugin.lookup('output', 'jdbc').new(jdbc_settings)
expect { plugin.register }.to raise_error(LogStash::ConfigurationError)
end
end
RSpec.shared_context 'when outputting messages' do
let(:logger) {
double("logger")
}
let(:jdbc_test_table) do
'logstash_output_jdbc_test'
end
let(:jdbc_drop_table) do
"DROP TABLE #{jdbc_test_table}"
end
let(:jdbc_create_table) do
"CREATE table #{jdbc_test_table} (created_at datetime not null, message varchar(512) not null, message_sprintf varchar(512) not null, static_int int not null, static_bit bit not null, static_bigint bigint not null)"
end
let(:jdbc_statement) do
["insert into #{jdbc_test_table} (created_at, message, message_sprintf, static_int, static_bit, static_bigint) values(?, ?, ?, ?, ?, ?)", '@timestamp', 'message', 'sprintf-%{message}', 1, true, 4000881632477184]
end
let(:systemd_database_service) do
nil
end
let(:event_fields) do
{ message: "test-message #{SecureRandom.uuid}" }
end
let(:event) { LogStash::Event.new(event_fields) }
let(:plugin) do
# Setup logger
allow(LogStash::Outputs::Jdbc).to receive(:logger).and_return(logger)
# XXX: Suppress reflection logging. There has to be a better way around this.
allow(logger).to receive(:debug).with(/config LogStash::/)
# Suppress beta warnings.
allow(logger).to receive(:info).with(/Please let us know if you find bugs or have suggestions on how to improve this plugin./)
# Suppress start up messages.
expect(logger).to receive(:info).once.with(/JDBC - Starting up/)
# Setup plugin
output = LogStash::Plugin.lookup('output', 'jdbc').new(jdbc_settings)
output.register
# Setup table
c = output.instance_variable_get(:@pool).getConnection
# Derby doesn't support IF EXISTS.
# Seems like the quickest solution. Bleurgh.
begin
stmt = c.createStatement
stmt.executeUpdate(jdbc_drop_table)
rescue
# noop
ensure
stmt.close
stmt = c.createStatement
stmt.executeUpdate(jdbc_create_table)
stmt.close
c.close
end
output
end
it 'should save a event' do
expect { plugin.multi_receive([event]) }.to_not raise_error
# Verify the number of items in the output table
c = plugin.instance_variable_get(:@pool).getConnection
stmt = c.prepareStatement("select count(*) as total from #{jdbc_test_table} where message = ?")
stmt.setString(1, event.get('message'))
rs = stmt.executeQuery
count = 0
count = rs.getInt('total') while rs.next
stmt.close
c.close
expect(count).to eq(1)
end
it 'should not save event, and log an unretryable exception' do
e = event
original_event = e.get('message')
e.set('message', nil)
expect(logger).to receive(:error).once.with(/JDBC - Exception. Not retrying/, Hash)
expect { plugin.multi_receive([event]) }.to_not raise_error
e.set('message', original_event)
end
it 'it should retry after a connection loss, and log a warning' do
skip "does not run as a service" if systemd_database_service.nil?
p = plugin
# Check that everything is fine right now
expect { p.multi_receive([event]) }.not_to raise_error
stop_service(systemd_database_service)
# Start a thread to restart the service after the fact.
t = Thread.new(systemd_database_service) { |systemd_database_service|
sleep 20
start_service(systemd_database_service)
}
t.run
expect(logger).to receive(:warn).at_least(:once).with(/JDBC - Exception. Retrying/, Hash)
expect { p.multi_receive([event]) }.to_not raise_error
# Wait for the thread to finish
t.join
end
end