Test coverage report with tarpaulin



examples/testing/test-coverage/src/lib.rs
pub fn add(left: usize, right: usize) -> usize {
    left + right
}

pub fn multiply(left: usize, right: usize) -> usize {
    left + right
}


#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn it_works() {
        let result = add(2, 2);
        assert_eq!(result, 4);
    }
}

cargo install cargo-tarpaulin


cargo tarpaulin

Exclude the test functions from the report:


cargo tarpaulin --ignore-tests


cargo tarpaulin --ignore-tests -o Html