{
    "tests": [
        {
            "auth": null, 
            "description": "Unrecognized option keys are ignored", 
            "hosts": [
                {
                    "host": "example.com", 
                    "port": null, 
                    "type": "hostname"
                }
            ], 
            "options": null, 
            "uri": "mongodb://example.com/?foo=bar", 
            "valid": true, 
            "warning": true
        }, 
        {
            "auth": null, 
            "description": "Unsupported option values are ignored", 
            "hosts": [
                {
                    "host": "example.com", 
                    "port": null, 
                    "type": "hostname"
                }
            ], 
            "options": null, 
            "uri": "mongodb://example.com/?fsync=ifPossible", 
            "valid": true, 
            "warning": true
        }, 
        {
            "auth": null, 
            "description": "Repeated option keys", 
            "hosts": [
                {
                    "host": "example.com", 
                    "port": null, 
                    "type": "hostname"
                }
            ], 
            "options": {
                "replicaset": "test"
            }, 
            "uri": "mongodb://example.com/?replicaSet=test&replicaSet=test", 
            "valid": true, 
            "warning": true
        }, 
        {
            "auth": null, 
            "description": "Deprecated (or unknown) options are ignored if replacement exists", 
            "hosts": [
                {
                    "host": "example.com", 
                    "port": null, 
                    "type": "hostname"
                }
            ], 
            "options": {
                "wtimeoutms": 10
            }, 
            "uri": "mongodb://example.com/?wtimeout=5&wtimeoutMS=10", 
            "valid": true, 
            "warning": true
        }
    ]
}