Add script to test TiSpark (#33)

* Add script to test TiSpark

* Remove mysql test, use tispark-tests to test tidb connection

Author: liufuyang

.travis.yml

@@ -4,11 +4,21 @@ services:
   - docker
 
 before_install:
+  - curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
+  - sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
+  - sudo apt-get update
+  - sudo apt-get -y install docker-ce  # update docker version
+  - sudo curl -L https://github.com/docker/compose/releases/download/1.21.2/docker-compose-$(uname -s)-$(uname -m) -o /usr/local/bin/docker-compose
+  - docker -v
+  - docker-compose -v
   - docker-compose up -d
-  - sleep 5                     # wait all components get ready
+  - sleep 10                     # wait all components get ready
   - docker-compose ps
+  - docker images
+  - docker network ls
   - docker-compose logs
 
 script:
   - docker ps -a --format="{{.Names}} {{.Image}} {{.Status}}" | grep -v 'Up' | grep -v 'Exited (0)' | awk '{print} END {if (NR>0) {exit 1;}}'
-  - mysql -h 127.0.0.1 -P 4000 -u root -e "select tidb_version()\G" # test if tidb-server is working
+  - docker-compose -f docker-compose-test.yml run --rm tispark-tests bash /opt/spark/tests/loaddata.sh  # add some data for tests
+  - docker-compose -f docker-compose-test.yml run --rm tispark-tests /opt/spark/bin/spark-submit /opt/spark/tests/tests.py  # run tispark tests

docker-compose-test.yml

@@ -0,0 +1,13 @@
+version: '2.1'
+
+services:
+  tispark-tests:
+    image: pingcap/tispark:latest
+    volumes:
+      - ./config/spark-defaults.conf:/opt/spark/conf/spark-defaults.conf:ro
+      - ./tispark-tests/tests:/opt/spark/tests:ro
+
+networks:
+  default:
+    external:
+      name: tidb-docker-compose_default

tispark-tests/tests/loaddata.sh

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+cd /opt/spark/data/tispark-sample-data
+
+mysql -h tidb -P 4000 -u root < dss.ddl

tispark-tests/tests/tests.py

@@ -0,0 +1,12 @@
+from pyspark.sql import SparkSession
+import pytispark.pytispark as pti
+
+spark = SparkSession.builder.master("spark://tispark-master:7077").appName("TiSpark tests").getOrCreate()
+
+ti = pti.TiContext(spark)
+ 
+ti.tidbMapDatabase("TPCH_001")
+ 
+count = spark.sql("select count(*) as c from lineitem").first()['c']
+
+assert 60175 == count