Read one row header

[tablify] / src / lib.rs

#[cfg(test)]
use std::io::BufRead;
#[cfg(test)]
use std::iter::Iterator;

#[derive(Debug, PartialEq, Eq)]
struct RowInput {
    label: String,
    entries: Vec<String>,
}

#[cfg(test)]
fn read_rows(input: impl std::io::Read) -> impl Iterator<Item = RowInput> {
    vec![RowInput {
        label: std::io::BufReader::new(input)
            .lines()
            .nth(0)
            .unwrap()
            .unwrap(),
        entries: vec![],
    }]
    .into_iter()
}

pub fn tablify(_input: &impl std::io::Read) -> String {
    String::from("Hello, world!")
}

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

    #[test]
    fn test_read_rows() {
        assert_eq!(
            read_rows(&b"foo"[..]).collect::<Vec<_>>(),
            vec![RowInput {
                label: String::from("foo"),
                entries: vec![]
            }]
        );
        assert_eq!(
            read_rows(&b"bar"[..]).collect::<Vec<_>>(),
            vec![RowInput {
                label: String::from("bar"),
                entries: vec![]
            }]
        );
    }
}