core-dev 0.0.1

core-dev library is an utility library for rust. It contains a lot of useful functions and APIs to speed up development cycle.
Documentation 
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use rstest::rstest;
use pretty_assertions::assert_eq;
use pretty_assertions::assert_ne;


#[cfg(test)]
mod mod_datetime {
    use super::rstest;
    use super::assert_eq;
    use super::assert_ne;
    /// how to run a module that is behind a feature
    /// cargo test --test test_datetime -j 8 --features datetime -- --show-output
    /// cargo test --features <feature_name>

    #[cfg(test)]
    mod time_attributes_builder {
        use super::rstest;
        use super::assert_eq;
        use super::assert_ne;
        use core_dev::datetime::time_attributes::TimeAttributesBuilder;

        #[test]
        fn build() {
            let ta_builder = TimeAttributesBuilder::default()
                .seconds(10)
                .minutes(100)
                .normalize();


            let mut ta = ta_builder.build();
            println!("{:?}", ta);
            // ta.normalize();
            println!("{}", ta.format_with_letters());
            // ta.decrement_seconds(50);
            // println!("{}", ta.format());
            // println!("{}", ta.format_as_clock());
        }

        #[test]
        fn against_6010_seconds() {
            let ta = TimeAttributesBuilder::default()
                .seconds(6010)
                .normalize()
                .build();
            assert_eq!(ta.seconds, 10);
            assert_eq!(ta.minutes, 40);
            assert_eq!(ta.hours, 1);
        }
    }

    #[cfg(test)]
    mod function_seconds_to_time_map {
        use super::rstest;
        use super::assert_eq;
        use super::assert_ne;
        use core_dev::datetime::datetime::seconds_to_time_map;
        use std::collections::HashMap;

        fn build_time_map<'a>(
            from_keys_and_values: Vec<(&'a str, i128)>,
        ) -> HashMap<&'a str, i128> {
            let mut time_map: HashMap<&str, i128> = vec![
                ("millennials", 0),
                ("centuries", 0),
                ("decades", 0),
                ("years", 0),
                ("weeks", 0),
                ("days", 0),
                ("hours", 0),
                ("minutes", 0),
                ("seconds", 0),
            ]
            .into_iter()
            .collect();
            for (key, value) in from_keys_and_values.into_iter() {
                time_map.entry(&key).and_modify(|e| *e = value);
            }
            time_map
        }

        #[rstest]
        #[case(3600, build_time_map(vec![("hours", 1)]))]
        #[case(3601, build_time_map(vec![
            ("hours", 1),
            ("seconds", 1),
        ]))]
        #[case(86400, build_time_map(vec![
            ("days", 1),
        ]))]
        #[case(86401, build_time_map(vec![
            ("days", 1),
            ("seconds", 1),
        ]))]
        fn test_seconds_to_time_map(
            #[case] seconds: usize,
            #[case] expected_time_map: HashMap<&str, i128>,
        ) {
            let result_time_map = seconds_to_time_map(seconds);
            assert_eq!(result_time_map, expected_time_map);
        }
    }
}