PHPC-1248: Add test to ensure that URI constant is successfully parsed

Author: derickr

tests/manager/manager-ctor-005.phpt

@@ -0,0 +1,12 @@
+--TEST--
+MongoDB\Driver\Manager::__construct(): Ensure environmental URI is parsable
+--FILE--
+<?php
+require_once __DIR__ . "/../utils/basic.inc";
+
+$manager = new MongoDB\Driver\Manager(URI);
+?>
+===DONE===
+<?php exit(0); ?>
+--EXPECT--
+===DONE===

tests/manager/manager-ctor-006.phpt

@@ -0,0 +1,18 @@
+--TEST--
+MongoDB\Driver\Manager::__construct(): Unparsable environmental URI
+--ENV--
+MONGODB_URI=invalid
+--FILE--
+<?php
+require_once __DIR__ . "/../utils/basic.inc";
+
+echo throws(function() {
+    $manager = new MongoDB\Driver\Manager(URI);
+}, "MongoDB\Driver\Exception\InvalidArgumentException"), "\n";
+?>
+===DONE===
+<?php exit(0); ?>
+--EXPECT--
+OK: Got MongoDB\Driver\Exception\InvalidArgumentException
+Failed to parse MongoDB URI: 'invalid'. Invalid URI Schema, expecting 'mongodb://' or 'mongodb+srv://'.
+===DONE===