move the Drop a collection test to the tests folder

.gitignore

@@ -46,3 +46,4 @@ examples/bench-mongodb/bench-mongodb
 examples/bench-urlrouter/bench-urlrouter
 *.exe
 
+tests/mongodb/collection/tests

mongodb/vibe/db/mongo/collection.d

@@ -1313,15 +1313,6 @@ struct MongoCollection {
 	}
 }
 
-/// Drop a collection
-@safe unittest {
-	import vibe.db.mongo.mongo;
-  auto client = connectMongoDB("127.0.0.1");
-  auto chunks = client.getCollection("test.fs.chunks");
-
-  chunks.drop;
-}
-
 /**
   Specifies a level of isolation for read operations. For example, you can use read concern to only read data that has propagated to a majority of nodes in a replica set.
 

tests/mongodb/collection/dub.json

@@ -0,0 +1,7 @@
+{
+    "name": "tests",
+    "description": "High level MongoDB collection tests for vibe.d",
+    "dependencies": {
+        "vibe-d:mongodb": {"path": "../../../"}
+    }
+}

tests/mongodb/collection/source/app.d

@@ -0,0 +1,39 @@
+/// Requires mongo service running on localhost with default port
+/// Uses test database
+
+module app;
+
+import vibe.core.core;
+import vibe.core.log;
+import vibe.data.bson;
+import vibe.db.mongo.mongo;
+
+import std.algorithm : all, canFind, equal, map, sort;
+import std.conv : to;
+import std.encoding : sanitize;
+import std.exception : assertThrown;
+
+
+void runTest(ushort port)
+{
+	MongoClient client = connectMongoDB("127.0.0.1", port);
+
+	/// Drop a collection
+	auto chunks = client.getCollection("test.fs.chunks");
+	chunks.drop;
+}
+
+int main(string[] args)
+{
+	int ret = 0;
+	ushort port = args.length > 1
+		? args[1].to!ushort
+		: MongoClientSettings.defaultPort;
+	runTask(() nothrow {
+		try runTest(port);
+		catch (Exception e) assert(false, e.toString());
+		finally exitEventLoop(true);
+	});
+	runEventLoop();
+	return ret;
+}