Merge pull request karafka#1 from thijsc/travis

Setup travis build

Author: thijsc

Diff for: .travis.yml

@@ -0,0 +1,22 @@
+language: ruby
+
+sudo: false
+
+rvm:
+  - 2.1
+  - 2.2
+  - 2.3
+  - 2.4
+
+before_install:
+  - wget http://www.us.apache.org/dist/kafka/0.11.0.1/kafka_2.12-0.11.0.1.tgz -O kafka.tgz
+  - mkdir -p kafka && tar xzf kafka.tgz -C kafka --strip-components 1
+  - nohup bash -c "cd kafka && bin/zookeeper-server-start.sh config/zookeeper.properties &"
+  - nohup bash -c "cd kafka && bin/kafka-server-start.sh config/server.properties &"
+
+before_script:
+  - cd ext && bundle exec rake && cd ..
+  - bundle exec rake create_topics
+
+script:
+  - bundle exec rspec

Diff for: README.md

@@ -1,5 +1,6 @@
 # Rdkafka
 
+[![Build Status](https://travis-ci.org/thijsc/rdkafka-ruby.svg?branch=master)](https://travis-ci.org/thijsc/rdkafka-ruby)
 [![Gem Version](https://badge.fury.io/rb/rdkafka.svg)](https://badge.fury.io/rb/rdkafka)
 
 The `rdkafka` gem is a modern Kafka client library for Ruby based on

Diff for: Rakefile

@@ -2,8 +2,13 @@ require "./lib/rdkafka"
 
 task :create_topics do
   puts "Creating test topics"
-  `kafka-topics --create --topic=produce_test_topic --zookeeper=127.0.0.1:2181 --partitions=3 --replication-factor=1`
-  `kafka-topics --create --topic=rake_test_topic --zookeeper=127.0.0.1:2181 --partitions=3 --replication-factor=1`
+  kafka_topics = if ENV['TRAVIS']
+                   'kafka/bin/kafka-topics.sh'
+                 else
+                   'kafka-topics'
+                 end
+  `#{kafka_topics} --create --topic=produce_test_topic --zookeeper=127.0.0.1:2181 --partitions=3 --replication-factor=1`
+  `#{kafka_topics} --create --topic=rake_test_topic --zookeeper=127.0.0.1:2181 --partitions=3 --replication-factor=1`
 end
 
 task :produce_messages do