PHPLIB-519: Test against upcoming driver versions

.travis.yml

@@ -112,6 +112,18 @@ jobs:
       env:
         - DEPLOYMENT=SHARDED_CLUSTER_RS
 
+    # Test next patch release for driver
+    - stage: Test
+      php: "7.3"
+      env:
+        - DRIVER_BRANCH="v1.6"
+
+    # Test next minor release for driver
+    - stage: Test
+      php: "7.3"
+      env:
+        - DRIVER_BRANCH="master"
+
 before_install:
   - pip install "mongo-orchestration>=0.6.7,<1.0" --user `whoami`
   - export SERVER_FILENAME=mongodb-linux-x86_64-${SERVER_DISTRO}-${SERVER_VERSION}

.travis/install-extension.sh

@@ -16,7 +16,22 @@ tpecl () {
     fi
 }
 
-if [ "x${DRIVER_VERSION}" != "x" ]; then
+if [ "x${DRIVER_BRANCH}" != "x" ]; then
+  echo "Compiling driver branch ${DRIVER_BRANCH}"
+
+  mkdir -p /tmp/compile
+  git clone https://github.com/mongodb/mongo-php-driver /tmp/compile/mongo-php-driver
+  cd /tmp/compile/mongo-php-driver
+
+  git checkout ${DRIVER_BRANCH}
+  git submodule update --init
+  phpize
+  ./configure --enable-mongodb-developer-flags
+  make all -j20 > /dev/null
+  make install
+
+  echo "extension=mongodb.so" >> `php --ini | grep "Scan for additional .ini files in" | sed -e "s|.*:\s*||"`/mongodb.ini
+elif [ "x${DRIVER_VERSION}" != "x" ]; then
   echo "Installing driver version ${DRIVER_VERSION} from PECL"
   tpecl mongodb-${DRIVER_VERSION} mongodb.so
 fi