e2216db41d
Signed-off-by: flip1995 <hello@philkrones.com> Signed-off-by: Matthias Beyer <mail@beyermatthias.de>
94 lines
2.7 KiB
Rust
94 lines
2.7 KiB
Rust
//
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// imag - the personal information management suite for the commandline
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// Copyright (C) 2015-2019 Matthias Beyer <mail@beyermatthias.de> and contributors
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; version
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// 2.1 of the License.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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//
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use chrono::naive::NaiveDateTime;
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use failure::Fallible as Result;
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use failure::err_msg;
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/// A Range between two dates
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#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
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pub struct DateTimeRange(NaiveDateTime, NaiveDateTime);
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impl DateTimeRange {
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/// Create a new DateTimeRange object
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///
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/// # Return value
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///
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/// Ok(DateTimeRange) if start is before end,
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/// else Err(DateTimeRangeError)
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///
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pub fn new(start: NaiveDateTime, end: NaiveDateTime) -> Result<DateTimeRange> {
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if start < end {
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Ok(DateTimeRange(start, end))
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} else {
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Err(err_msg("End date before start date"))
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}
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}
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}
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#[cfg(test)]
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mod tests {
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use chrono::naive::NaiveDateTime;
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use chrono::naive::NaiveDate;
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use chrono::naive::NaiveTime;
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use super::DateTimeRange;
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#[test]
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fn test_new_returns_error_if_start_after_end_date() {
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#[allow(clippy::zero_prefixed_literal)]
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let start = NaiveDateTime::new(
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NaiveDate::from_ymd(2000, 02, 02),
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NaiveTime::from_hms(12, 00, 02)
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);
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#[allow(clippy::zero_prefixed_literal)]
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let end = NaiveDateTime::new(
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NaiveDate::from_ymd(2000, 02, 02),
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NaiveTime::from_hms(12, 00, 01)
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);
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let res = DateTimeRange::new(start, end);
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assert!(res.is_err());
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}
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#[test]
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fn test_new_returns_ok_if_start_is_before_end() {
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#[allow(clippy::zero_prefixed_literal)]
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let start = NaiveDateTime::new(
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NaiveDate::from_ymd(2000, 02, 02),
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NaiveTime::from_hms(12, 00, 01)
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);
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#[allow(clippy::zero_prefixed_literal)]
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let end = NaiveDateTime::new(
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NaiveDate::from_ymd(2000, 02, 02),
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NaiveTime::from_hms(12, 00, 02)
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);
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let res = DateTimeRange::new(start, end);
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assert!(res.is_ok());
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}
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}
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