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 `cargo fixture` is a cargo extension that let's you surround `cargo test` with arbitrary Rust setup and teardown code.
 
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 It can be used to run network servers that tests connect to, spin up docker containers, prepare test data, check for presence of programs,... or really anything that can be done from Rust code. Any provided resources can be released after `cargo test` finishes, whether manually, using RAII guards or closures.