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test_cat.rb
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test_cat.rb
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require_relative '../helper'
require 'test-unit'
require 'open3'
require 'fluent/plugin/output'
require 'fluent/plugin/in_forward'
require 'fluent/plugin/out_secondary_file'
require 'fluent/test/driver/output'
require 'fluent/test/driver/input'
class TestFluentCat < ::Test::Unit::TestCase
def setup
Fluent::Test.setup
FileUtils.mkdir_p(TMP_DIR)
@record = { 'key' => 'value' }
@time = event_time
@es = Fluent::OneEventStream.new(@time, @record)
@primary = create_primary
metadata = @primary.buffer.new_metadata
@chunk = create_chunk(@primary, metadata, @es)
@port = unused_port
end
def teardown
FileUtils.rm_rf(TMP_DIR)
@port = nil
end
TMP_DIR = File.expand_path(File.dirname(__FILE__) + "/../tmp/command/fluent_cat#{ENV['TEST_ENV_NUMBER']}")
FLUENT_CAT_COMMAND = File.expand_path(File.dirname(__FILE__) + "/../../bin/fluent-cat")
def config
%[
port #{@port}
bind 127.0.0.1
]
end
SECONDARY_CONFIG = %[
directory #{TMP_DIR}
]
class DummyOutput < Fluent::Plugin::Output
def write(chunk); end
end
def create_driver(conf=config)
Fluent::Test::Driver::Input.new(Fluent::Plugin::ForwardInput).configure(conf)
end
def create_primary(buffer_cofig = config_element('buffer'))
DummyOutput.new.configure(config_element('ROOT','',{}, [buffer_cofig]))
end
def create_secondary_driver(conf=SECONDARY_CONFIG)
c = Fluent::Test::Driver::Output.new(Fluent::Plugin::SecondaryFileOutput)
c.instance.acts_as_secondary(@primary)
c.configure(conf)
end
def create_chunk(primary, metadata, es)
primary.buffer.generate_chunk(metadata).tap do |c|
c.concat(es.to_msgpack_stream, es.size)
c.commit
end
end
sub_test_case "json" do
def test_cat_json
d = create_driver
d.run(expect_records: 1) do
Open3.pipeline_w("#{ServerEngine.ruby_bin_path} #{FLUENT_CAT_COMMAND} --port #{@port} json") do |stdin|
stdin.puts('{"key":"value"}')
stdin.close
end
end
event = d.events.first
assert_equal([1, "json", @record],
[d.events.size, event.first, event.last])
end
end
sub_test_case "msgpack" do
def test_cat_secondary_file
d = create_secondary_driver
d.instance_start
path = d.instance.write(@chunk)
d = create_driver
d.run(expect_records: 1) do
Open3.pipeline_w("#{ServerEngine.ruby_bin_path} #{FLUENT_CAT_COMMAND} --port #{@port} --format msgpack secondary") do |stdin|
stdin.write(File.read(path))
stdin.close
end
end
event = d.events.first
assert_equal([1, "secondary", @record],
[d.events.size, event.first, event.last])
end
end
sub_test_case "send specific event time" do
def test_without_event_time
event_time = Fluent::EventTime.now
d = create_driver
d.run(expect_records: 1) do
Open3.pipeline_w("#{ServerEngine.ruby_bin_path} #{FLUENT_CAT_COMMAND} --port #{@port} tag") do |stdin|
stdin.puts('{"key":"value"}')
stdin.close
end
end
event = d.events.first
assert_in_delta(event_time.to_f, event[1].to_f, 3.0) # expect command to be finished in 3 seconds
assert_equal([1, "tag", true, @record],
[d.events.size, event.first, event_time.to_f < event[1].to_f, event.last])
end
def test_with_event_time
event_time = "2021-01-02 13:14:15.0+00:00"
d = create_driver
d.run(expect_records: 1) do
Open3.pipeline_w("#{ServerEngine.ruby_bin_path} #{FLUENT_CAT_COMMAND} --port #{@port} --event-time '#{event_time}' tag") do |stdin|
stdin.puts('{"key":"value"}')
stdin.close
end
end
assert_equal([["tag", Fluent::EventTime.parse(event_time), @record]], d.events)
end
end
end