Jik
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Rust teams can test error paths around filesystem and network calls without reshaping production code around traits purely for the sake of tests.
shimforge is a Rust testing crate that intercepts calls to real functions, such as fs::create_dir_all or a reqwest request, so a test can make them fail or return fixed values. You open a session, declare mocks with its macros, and the code under test stays as written. It supports thread-local and global modes, argument matching, call counts and ordered verification. It needs Rust 1.85+, runs on Linux, macOS and Windows on x86-64 and ARM64, and cannot match async arguments. MIT, version 0.1.
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