MakeTestClient returns Postgres client connection according to the provided parameters.

NewTestServer returns a new instance of a test Postgres server.

TestQueryResponse is the response test Postgres server sends to every query.

Engine implements the Postgres database service that accepts client connections coming over reverse tunnel from the proxy and proxies them between the proxy and the Postgres database instance.

Proxy proxies connections from Postgres clients to database services over reverse tunnel.

TestServer is a test Postgres server used in functional database access tests.