PHPC-2131: Ensure CRYPT_SHARED_LIB_PATH is exported for tests (#1352)

This also fixes the injection logic in create_test_manager(), which should only kick in when "autoEncryption" opts are specified (as PHPLIB does) and check for a valid $driverOptions structure (to accomodate manager-ctor error tests).

Author: jmikola

.evergreen/config.yml

@@ -388,6 +388,7 @@ functions:
         working_dir: "src"
         script: |
           ${PREPARE_SHELL}
+          export CRYPT_SHARED_LIB_PATH="${client_side_encryption_crypt_shared_lib_path}"
           API_VERSION=${API_VERSION} TESTS=${TESTS} SSL=${SSL} MONGODB_URI="${MONGODB_URI}${APPEND_URI}" sh ${PROJECT_DIRECTORY}/.evergreen/run-tests.sh
 
   "cleanup":
@@ -605,8 +606,6 @@ tasks:
             TOPOLOGY: "replica_set"
         - func: "fetch crypt_shared"
         - func: "run tests"
-          vars:
-            CRYPT_SHARED_LIB_PATH: "${client_side_encryption_crypt_shared_lib_path}"
 
     - name: "test-loadBalanced"
       tags: ["loadbalanced"]

tests/utils/tools.php

@@ -98,8 +98,12 @@ function create_test_manager(string $uri = null, array $options = [], array $dri
         $driverOptions['serverApi'] = new ServerApi(getenv('API_VERSION'));
     }
 
-    if (getenv('CRYPT_SHARED_LIB_PATH') && ! isset($driverOptions['autoEncryption']['extraOptions']['cryptSharedLibPath'])) {
-        $driverOptions['autoEncryption']['extraOptions']['cryptSharedLibPath'] = getenv('CRYPT_SHARED_LIB_PATH');
+    if (getenv('CRYPT_SHARED_LIB_PATH') && isset($driverOptions['autoEncryption'])) {
+        if (is_array($driverOptions['autoEncryption']) &&
+            (! isset($driverOptions['autoEncryption']['extraOptions']) || is_array($driverOptions['autoEncryption']['extraOptions'])) &&
+            ! isset($driverOptions['autoEncryption']['extraOptions']['cryptSharedLibPath'])) {
+            $driverOptions['autoEncryption']['extraOptions']['cryptSharedLibPath'] = getenv('CRYPT_SHARED_LIB_PATH');
+        }
     }
 
     return new Manager($uri ?? URI, $options, $driverOptions);