Test coverage report with tarpaulin

---

• 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

• Generate HTML report

cargo tarpaulin --ignore-tests -o Html