Refactored travis builds to test multiple MySQL versions with Docker

Author: grimzy

.travis.install-mysql-5.7.sh

@@ -6,14 +6,19 @@ php:
   - '7.0'
   - '7.1'
 
-services:
-  - mysql
+env:
+ - MYSQL_VERSION=5.6
+ - MYSQL_VERSION=5.7
+ - MYSQL_VERSION=8.0
+
+sudo: required
 
-sudo: true
+services:
+  - docker
 
 before_install:
-  - bash .travis.install-mysql-5.7.sh
-  - mysql -e 'CREATE DATABASE test;'
+  - bash ./start_db.sh
+  - docker ps -a
 
 install: composer install
 
@@ -27,4 +32,3 @@ after_script:
   - php vendor/bin/coveralls -v
   - vendor/bin/test-reporter
 
-

.travis.yml

@@ -1,8 +1,10 @@
 #!/usr/bin/env bash
 
-docker run -d --name spatial-mysql \
-    -p 3306:3306 \
+echo "MySQL version: " $MYSQL_VERSION
+
+docker run -d --name spatial-mysql-$MYSQL_VERSION \
+    -p 127.0.0.1:3306:3306 \
     -v $(pwd)/db:/var/lib/mysql \
     -e MYSQL_DATABASE=test \
     -e MYSQL_ALLOW_EMPTY_PASSWORD=yes \
-    mysql:latest
+    mysql:$MYSQL_VERSION --character-set-server=utf8 --collation-server=utf8_general_ci