chronounit 0.3.0

A date-time formatter and time-unit library for Rust time
Documentation 
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/*
 * Copyright © 2024 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

// ---------------------------------------------------------------- formatter fn

use chrono::{DateTime, NaiveDateTime, TimeZone, Utc};

use crate::formatter::pattern::DateTimePattern;

// ----------------------------------------------------------------

#[test]
fn test_formatter_macro_format_date_time_utc_default() {
    let now = "2024-03-12 22:55:00";
    let ndt = NaiveDateTime::parse_from_str(now, "%Y-%m-%d %H:%M:%S").expect("Parse error");
    let datetime_utc: DateTime<Utc> = Utc.from_utc_datetime(&ndt);

    assert_eq!(
        format_date_time_utc_default!(&datetime_utc),
        "2024-03-12 22:55:00"
    );
}

#[test]
fn test_formatter_macro_format_naive_date_time_utc_default() {
    let now = "2024-03-12 22:55:00";
    let ndt = NaiveDateTime::parse_from_str(now, "%Y-%m-%d %H:%M:%S").expect("Parse error");

    assert_eq!(
        format_naive_date_time_utc_default!(&ndt),
        "2024-03-12 22:55:00"
    );
}

#[test]
fn test_formatter_macro_format_naive_date_time_default() {
    let now = "2024-03-12 22:55:00";
    let ndt = NaiveDateTime::parse_from_str(now, "%Y-%m-%d %H:%M:%S").expect("Parse error");

    assert_eq!(
        format_naive_date_time_utc_default!(&ndt),
        "2024-03-12 22:55:00"
    );
}

#[test]
fn test_formatter_macro_format_date_time_utc() {
    let now = "2024-03-12 22:55:00";
    let ndt = NaiveDateTime::parse_from_str(now, "%Y-%m-%d %H:%M:%S").expect("Parse error");
    let datetime_utc: DateTime<Utc> = Utc.from_utc_datetime(&ndt);

    assert_eq!(
        format_date_time_utc!(&datetime_utc, DateTimePattern::YyyyMmDd),
        "2024-03-12"
    );
    assert_eq!(
        format_date_time_utc!(&datetime_utc, DateTimePattern::YyyyMmDdHhMmSs),
        "2024-03-12 22:55:00"
    );
    assert_eq!(
        format_date_time_utc!(&datetime_utc, DateTimePattern::HhMmSs),
        "22:55:00"
    );
}

#[test]
fn test_formatter_macro_format_naive_date_time_utc() {
    let now = "2024-03-12 22:55:00";
    let ndt = NaiveDateTime::parse_from_str(now, "%Y-%m-%d %H:%M:%S").expect("Parse error");

    assert_eq!(
        format_naive_date_time_utc!(&ndt, DateTimePattern::YyyyMmDd),
        "2024-03-12"
    );
    assert_eq!(
        format_naive_date_time_utc!(&ndt, DateTimePattern::YyyyMmDdHhMmSs),
        "2024-03-12 22:55:00"
    );
    assert_eq!(
        format_naive_date_time_utc!(&ndt, DateTimePattern::HhMmSs),
        "22:55:00"
    );
}

#[test]
fn test_formatter_macro_format_naive_date_time() {
    let now = "2024-03-12 22:55:00";
    let ndt = NaiveDateTime::parse_from_str(now, "%Y-%m-%d %H:%M:%S").expect("Parse error");

    assert_eq!(
        format_naive_date_time!(&ndt, DateTimePattern::YyyyMmDd),
        "2024-03-12"
    );
    assert_eq!(
        format_naive_date_time!(&ndt, DateTimePattern::YyyyMmDdHhMmSs),
        "2024-03-12 22:55:00"
    );
    assert_eq!(
        format_naive_date_time!(&ndt, DateTimePattern::HhMmSs),
        "22:55:00"
    );
}