Update travis test coverage: 2.7, 3.4, 3.7, pypy2.7 (#1614)

* Use xenial dist for travis builds
* Use openjdk8 for all travis tests
* Update python build matrix -- add 3.7, drop 3.5/3.6 (keep 2.7, 3.4, pypy2.7)

1 files changed, 25 insertions, 0 deletions

diff --git a/travis_java_install.sh b/travis_java_install.sh
new file mode 100644
index 0000000..f662ce2
--- /dev/null
+++ b/travis_java_install.sh
@@ -0,0 +1,25 @@
+#!/bin/bash
+
+# borrowed from: https://github.com/mansenfranzen/pywrangler/blob/master/tests/travis_java_install.sh
+
+# Kafka requires Java 8 in order to work properly. However, TravisCI's Ubuntu
+# 16.04 ships with Java 11 and Java can't be set with `jdk` when python is
+# selected as language. Ubuntu 14.04 does not work due to missing python 3.7
+# support on TravisCI which does have Java 8 as default.
+
+# show current JAVA_HOME and java version
+echo "Current JAVA_HOME: $JAVA_HOME"
+echo "Current java -version:"
+which java
+java -version
+
+echo "Updating JAVA_HOME"
+# change JAVA_HOME to Java 8
+export JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-amd64
+
+echo "Updating PATH"
+export PATH=${PATH/\/usr\/local\/lib\/jvm\/openjdk11\/bin/$JAVA_HOME\/bin}
+
+echo "New java -version"
+which java
+java -version