blob: ab07eed4413c8158fc427d7bc8c50fd95263c4b7 [file] [log] [blame] [edit]
#![allow(deprecated)]
use crate::timezone;
use anyhow::{anyhow, Result};
use chrono::prelude::*;
use lazy_static::lazy_static;
use regex::Regex;
/// Parse struct has methods implemented parsers for accepted formats.
pub struct Parse<'z, Tz2> {
tz: &'z Tz2,
default_time: Option<NaiveTime>,
}
impl<'z, Tz2> Parse<'z, Tz2>
where
Tz2: TimeZone,
{
/// Create a new instrance of [`Parse`] with a custom parsing timezone that handles the
/// datetime string without time offset.
pub fn new(tz: &'z Tz2, default_time: Option<NaiveTime>) -> Self {
Self { tz, default_time }
}
/// This method tries to parse the input datetime string with a list of accepted formats. See
/// more exmaples from [`Parse`], [`crate::parse()`] and [`crate::parse_with_timezone()`].
pub fn parse(&self, input: &str) -> Result<DateTime<Utc>> {
self.unix_timestamp(input)
.or_else(|| self.rfc2822(input))
.or_else(|| self.ymd_family(input))
.or_else(|| self.hms_family(input))
.or_else(|| self.month_ymd(input))
.or_else(|| self.month_mdy_family(input))
.or_else(|| self.month_dmy_family(input))
.or_else(|| self.slash_mdy_family(input))
.or_else(|| self.slash_ymd_family(input))
.or_else(|| self.dot_mdy_or_ymd(input))
.or_else(|| self.mysql_log_timestamp(input))
.or_else(|| self.chinese_ymd_family(input))
.unwrap_or_else(|| Err(anyhow!("{} did not match any formats.", input)))
}
fn ymd_family(&self, input: &str) -> Option<Result<DateTime<Utc>>> {
lazy_static! {
static ref RE: Regex = Regex::new(r"^[0-9]{4}-[0-9]{2}").unwrap();
}
if !RE.is_match(input) {
return None;
}
self.rfc3339(input)
.or_else(|| self.postgres_timestamp(input))
.or_else(|| self.ymd_hms(input))
.or_else(|| self.ymd_hms_z(input))
.or_else(|| self.ymd(input))
.or_else(|| self.ymd_z(input))
}
fn hms_family(&self, input: &str) -> Option<Result<DateTime<Utc>>> {
lazy_static! {
static ref RE: Regex = Regex::new(r"^[0-9]{1,2}:[0-9]{2}").unwrap();
}
if !RE.is_match(input) {
return None;
}
self.hms(input).or_else(|| self.hms_z(input))
}
fn month_mdy_family(&self, input: &str) -> Option<Result<DateTime<Utc>>> {
lazy_static! {
static ref RE: Regex = Regex::new(r"^[a-zA-Z]{3,9}\.?\s+[0-9]{1,2}").unwrap();
}
if !RE.is_match(input) {
return None;
}
self.month_md_hms(input)
.or_else(|| self.month_mdy_hms(input))
.or_else(|| self.month_mdy_hms_z(input))
.or_else(|| self.month_mdy(input))
}
fn month_dmy_family(&self, input: &str) -> Option<Result<DateTime<Utc>>> {
lazy_static! {
static ref RE: Regex = Regex::new(r"^[0-9]{1,2}\s+[a-zA-Z]{3,9}").unwrap();
}
if !RE.is_match(input) {
return None;
}
self.month_dmy_hms(input).or_else(|| self.month_dmy(input))
}
fn slash_mdy_family(&self, input: &str) -> Option<Result<DateTime<Utc>>> {
lazy_static! {
static ref RE: Regex = Regex::new(r"^[0-9]{1,2}/[0-9]{1,2}").unwrap();
}
if !RE.is_match(input) {
return None;
}
self.slash_mdy_hms(input).or_else(|| self.slash_mdy(input))
}
fn slash_ymd_family(&self, input: &str) -> Option<Result<DateTime<Utc>>> {
lazy_static! {
static ref RE: Regex = Regex::new(r"^[0-9]{4}/[0-9]{1,2}").unwrap();
}
if !RE.is_match(input) {
return None;
}
self.slash_ymd_hms(input).or_else(|| self.slash_ymd(input))
}
fn chinese_ymd_family(&self, input: &str) -> Option<Result<DateTime<Utc>>> {
lazy_static! {
static ref RE: Regex = Regex::new(r"^[0-9]{4}年[0-9]{2}月").unwrap();
}
if !RE.is_match(input) {
return None;
}
self.chinese_ymd_hms(input)
.or_else(|| self.chinese_ymd(input))
}
// unix timestamp
// - 1511648546
// - 1620021848429
// - 1620024872717915000
fn unix_timestamp(&self, input: &str) -> Option<Result<DateTime<Utc>>> {
lazy_static! {
static ref RE: Regex = Regex::new(r"^[0-9]{10,19}$").unwrap();
}
if !RE.is_match(input) {
return None;
}
input
.parse::<i64>()
.ok()
.and_then(|timestamp| {
match input.len() {
10 => Some(Utc.timestamp(timestamp, 0)),
13 => Some(Utc.timestamp_millis(timestamp)),
19 => Some(Utc.timestamp_nanos(timestamp)),
_ => None,
}
.map(|datetime| datetime.with_timezone(&Utc))
})
.map(Ok)
}
// rfc3339
// - 2021-05-01T01:17:02.604456Z
// - 2017-11-25T22:34:50Z
fn rfc3339(&self, input: &str) -> Option<Result<DateTime<Utc>>> {
DateTime::parse_from_rfc3339(input)
.ok()
.map(|parsed| parsed.with_timezone(&Utc))
.map(Ok)
}
// rfc2822
// - Wed, 02 Jun 2021 06:31:39 GMT
fn rfc2822(&self, input: &str) -> Option<Result<DateTime<Utc>>> {
DateTime::parse_from_rfc2822(input)
.ok()
.map(|parsed| parsed.with_timezone(&Utc))
.map(Ok)
}
// postgres timestamp yyyy-mm-dd hh:mm:ss z
// - 2019-11-29 08:08-08
// - 2019-11-29 08:08:05-08
// - 2021-05-02 23:31:36.0741-07
// - 2021-05-02 23:31:39.12689-07
// - 2019-11-29 08:15:47.624504-08
// - 2017-07-19 03:21:51+00:00
fn postgres_timestamp(&self, input: &str) -> Option<Result<DateTime<Utc>>> {
lazy_static! {
static ref RE: Regex = Regex::new(
r"^[0-9]{4}-[0-9]{2}-[0-9]{2}\s+[0-9]{2}:[0-9]{2}(:[0-9]{2})?(\.[0-9]{1,9})?[+-:0-9]{3,6}$",
)
.unwrap();
}
if !RE.is_match(input) {
return None;
}
DateTime::parse_from_str(input, "%Y-%m-%d %H:%M:%S%#z")
.or_else(|_| DateTime::parse_from_str(input, "%Y-%m-%d %H:%M:%S%.f%#z"))
.or_else(|_| DateTime::parse_from_str(input, "%Y-%m-%d %H:%M%#z"))
.ok()
.map(|parsed| parsed.with_timezone(&Utc))
.map(Ok)
}
// yyyy-mm-dd hh:mm:ss
// - 2014-04-26 05:24:37 PM
// - 2021-04-30 21:14
// - 2021-04-30 21:14:10
// - 2021-04-30 21:14:10.052282
// - 2014-04-26 17:24:37.123
// - 2014-04-26 17:24:37.3186369
// - 2012-08-03 18:31:59.257000000
fn ymd_hms(&self, input: &str) -> Option<Result<DateTime<Utc>>> {
lazy_static! {
static ref RE: Regex = Regex::new(
r"^[0-9]{4}-[0-9]{2}-[0-9]{2}\s+[0-9]{2}:[0-9]{2}(:[0-9]{2})?(\.[0-9]{1,9})?\s*(am|pm|AM|PM)?$",
)
.unwrap();
}
if !RE.is_match(input) {
return None;
}
self.tz
.datetime_from_str(input, "%Y-%m-%d %H:%M:%S")
.or_else(|_| self.tz.datetime_from_str(input, "%Y-%m-%d %H:%M"))
.or_else(|_| self.tz.datetime_from_str(input, "%Y-%m-%d %H:%M:%S%.f"))
.or_else(|_| self.tz.datetime_from_str(input, "%Y-%m-%d %I:%M:%S %P"))
.or_else(|_| self.tz.datetime_from_str(input, "%Y-%m-%d %I:%M %P"))
.ok()
.map(|parsed| parsed.with_timezone(&Utc))
.map(Ok)
}
// yyyy-mm-dd hh:mm:ss z
// - 2017-11-25 13:31:15 PST
// - 2017-11-25 13:31 PST
// - 2014-12-16 06:20:00 UTC
// - 2014-12-16 06:20:00 GMT
// - 2014-04-26 13:13:43 +0800
// - 2014-04-26 13:13:44 +09:00
// - 2012-08-03 18:31:59.257000000 +0000
// - 2015-09-30 18:48:56.35272715 UTC
fn ymd_hms_z(&self, input: &str) -> Option<Result<DateTime<Utc>>> {
lazy_static! {
static ref RE: Regex = Regex::new(
r"^[0-9]{4}-[0-9]{2}-[0-9]{2}\s+[0-9]{2}:[0-9]{2}(:[0-9]{2})?(\.[0-9]{1,9})?(?P<tz>\s*[+-:a-zA-Z0-9]{3,6})$",
).unwrap();
}
if !RE.is_match(input) {
return None;
}
if let Some(caps) = RE.captures(input) {
if let Some(matched_tz) = caps.name("tz") {
let parse_from_str = NaiveDateTime::parse_from_str;
return match timezone::parse(matched_tz.as_str().trim()) {
Ok(offset) => parse_from_str(input, "%Y-%m-%d %H:%M:%S %Z")
.or_else(|_| parse_from_str(input, "%Y-%m-%d %H:%M %Z"))
.or_else(|_| parse_from_str(input, "%Y-%m-%d %H:%M:%S%.f %Z"))
.ok()
.and_then(|parsed| offset.from_local_datetime(&parsed).single())
.map(|datetime| datetime.with_timezone(&Utc))
.map(Ok),
Err(err) => Some(Err(err)),
};
}
}
None
}
// yyyy-mm-dd
// - 2021-02-21
fn ymd(&self, input: &str) -> Option<Result<DateTime<Utc>>> {
lazy_static! {
static ref RE: Regex = Regex::new(r"^[0-9]{4}-[0-9]{2}-[0-9]{2}$").unwrap();
}
if !RE.is_match(input) {
return None;
}
// set time to use
let time = match self.default_time {
Some(v) => v,
None => Utc::now().with_timezone(self.tz).time(),
};
NaiveDate::parse_from_str(input, "%Y-%m-%d")
.ok()
.map(|parsed| parsed.and_time(time))
.and_then(|datetime| self.tz.from_local_datetime(&datetime).single())
.map(|at_tz| at_tz.with_timezone(&Utc))
.map(Ok)
}
// yyyy-mm-dd z
// - 2021-02-21 PST
// - 2021-02-21 UTC
// - 2020-07-20+08:00 (yyyy-mm-dd-07:00)
fn ymd_z(&self, input: &str) -> Option<Result<DateTime<Utc>>> {
lazy_static! {
static ref RE: Regex =
Regex::new(r"^[0-9]{4}-[0-9]{2}-[0-9]{2}(?P<tz>\s*[+-:a-zA-Z0-9]{3,6})$").unwrap();
}
if !RE.is_match(input) {
return None;
}
if let Some(caps) = RE.captures(input) {
if let Some(matched_tz) = caps.name("tz") {
return match timezone::parse(matched_tz.as_str().trim()) {
Ok(offset) => {
// set time to use
let time = match self.default_time {
Some(v) => v,
None => Utc::now().with_timezone(&offset).time(),
};
NaiveDate::parse_from_str(input, "%Y-%m-%d %Z")
.ok()
.map(|parsed| parsed.and_time(time))
.and_then(|datetime| offset.from_local_datetime(&datetime).single())
.map(|at_tz| at_tz.with_timezone(&Utc))
.map(Ok)
}
Err(err) => Some(Err(err)),
};
}
}
None
}
// hh:mm:ss
// - 01:06:06
// - 4:00pm
// - 6:00 AM
fn hms(&self, input: &str) -> Option<Result<DateTime<Utc>>> {
lazy_static! {
static ref RE: Regex =
Regex::new(r"^[0-9]{1,2}:[0-9]{2}(:[0-9]{2})?\s*(am|pm|AM|PM)?$").unwrap();
}
if !RE.is_match(input) {
return None;
}
let now = Utc::now().with_timezone(self.tz);
NaiveTime::parse_from_str(input, "%H:%M:%S")
.or_else(|_| NaiveTime::parse_from_str(input, "%H:%M"))
.or_else(|_| NaiveTime::parse_from_str(input, "%I:%M:%S %P"))
.or_else(|_| NaiveTime::parse_from_str(input, "%I:%M %P"))
.ok()
.and_then(|parsed| now.date().and_time(parsed))
.map(|datetime| datetime.with_timezone(&Utc))
.map(Ok)
}
// hh:mm:ss z
// - 01:06:06 PST
// - 4:00pm PST
// - 6:00 AM PST
// - 6:00pm UTC
fn hms_z(&self, input: &str) -> Option<Result<DateTime<Utc>>> {
lazy_static! {
static ref RE: Regex = Regex::new(
r"^[0-9]{1,2}:[0-9]{2}(:[0-9]{2})?\s*(am|pm|AM|PM)?(?P<tz>\s+[+-:a-zA-Z0-9]{3,6})$",
)
.unwrap();
}
if !RE.is_match(input) {
return None;
}
if let Some(caps) = RE.captures(input) {
if let Some(matched_tz) = caps.name("tz") {
return match timezone::parse(matched_tz.as_str().trim()) {
Ok(offset) => {
let now = Utc::now().with_timezone(&offset);
NaiveTime::parse_from_str(input, "%H:%M:%S %Z")
.or_else(|_| NaiveTime::parse_from_str(input, "%H:%M %Z"))
.or_else(|_| NaiveTime::parse_from_str(input, "%I:%M:%S %P %Z"))
.or_else(|_| NaiveTime::parse_from_str(input, "%I:%M %P %Z"))
.ok()
.map(|parsed| now.date().naive_local().and_time(parsed))
.and_then(|datetime| offset.from_local_datetime(&datetime).single())
.map(|at_tz| at_tz.with_timezone(&Utc))
.map(Ok)
}
Err(err) => Some(Err(err)),
};
}
}
None
}
// yyyy-mon-dd
// - 2021-Feb-21
fn month_ymd(&self, input: &str) -> Option<Result<DateTime<Utc>>> {
lazy_static! {
static ref RE: Regex = Regex::new(r"^[0-9]{4}-[a-zA-Z]{3,9}-[0-9]{2}$").unwrap();
}
if !RE.is_match(input) {
return None;
}
// set time to use
let time = match self.default_time {
Some(v) => v,
None => Utc::now().with_timezone(self.tz).time(),
};
NaiveDate::parse_from_str(input, "%Y-%m-%d")
.or_else(|_| NaiveDate::parse_from_str(input, "%Y-%b-%d"))
.ok()
.map(|parsed| parsed.and_time(time))
.and_then(|datetime| self.tz.from_local_datetime(&datetime).single())
.map(|at_tz| at_tz.with_timezone(&Utc))
.map(Ok)
}
// Mon dd hh:mm:ss
// - May 6 at 9:24 PM
// - May 27 02:45:27
fn month_md_hms(&self, input: &str) -> Option<Result<DateTime<Utc>>> {
lazy_static! {
static ref RE: Regex = Regex::new(
r"^[a-zA-Z]{3}\s+[0-9]{1,2}\s*(at)?\s+[0-9]{1,2}:[0-9]{2}(:[0-9]{2})?\s*(am|pm|AM|PM)?$",
)
.unwrap();
}
if !RE.is_match(input) {
return None;
}
let now = Utc::now().with_timezone(self.tz);
let with_year = format!("{} {}", now.year(), input);
self.tz
.datetime_from_str(&with_year, "%Y %b %d at %I:%M %P")
.or_else(|_| self.tz.datetime_from_str(&with_year, "%Y %b %d %H:%M:%S"))
.ok()
.map(|parsed| parsed.with_timezone(&Utc))
.map(Ok)
}
// Mon dd, yyyy, hh:mm:ss
// - May 8, 2009 5:57:51 PM
// - September 17, 2012 10:09am
// - September 17, 2012, 10:10:09
fn month_mdy_hms(&self, input: &str) -> Option<Result<DateTime<Utc>>> {
lazy_static! {
static ref RE: Regex = Regex::new(
r"^[a-zA-Z]{3,9}\.?\s+[0-9]{1,2},\s+[0-9]{2,4},?\s+[0-9]{1,2}:[0-9]{2}(:[0-9]{2})?\s*(am|pm|AM|PM)?$",
).unwrap();
}
if !RE.is_match(input) {
return None;
}
let dt = input.replace(", ", " ").replace(". ", " ");
self.tz
.datetime_from_str(&dt, "%B %d %Y %H:%M:%S")
.or_else(|_| self.tz.datetime_from_str(&dt, "%B %d %Y %H:%M"))
.or_else(|_| self.tz.datetime_from_str(&dt, "%B %d %Y %I:%M:%S %P"))
.or_else(|_| self.tz.datetime_from_str(&dt, "%B %d %Y %I:%M %P"))
.ok()
.map(|at_tz| at_tz.with_timezone(&Utc))
.map(Ok)
}
// Mon dd, yyyy hh:mm:ss z
// - May 02, 2021 15:51:31 UTC
// - May 02, 2021 15:51 UTC
// - May 26, 2021, 12:49 AM PDT
// - September 17, 2012 at 10:09am PST
fn month_mdy_hms_z(&self, input: &str) -> Option<Result<DateTime<Utc>>> {
lazy_static! {
static ref RE: Regex = Regex::new(
r"^[a-zA-Z]{3,9}\s+[0-9]{1,2},?\s+[0-9]{4}\s*,?(at)?\s+[0-9]{2}:[0-9]{2}(:[0-9]{2})?\s*(am|pm|AM|PM)?(?P<tz>\s+[+-:a-zA-Z0-9]{3,6})$",
).unwrap();
}
if !RE.is_match(input) {
return None;
}
if let Some(caps) = RE.captures(input) {
if let Some(matched_tz) = caps.name("tz") {
let parse_from_str = NaiveDateTime::parse_from_str;
return match timezone::parse(matched_tz.as_str().trim()) {
Ok(offset) => {
let dt = input.replace(',', "").replace("at", "");
parse_from_str(&dt, "%B %d %Y %H:%M:%S %Z")
.or_else(|_| parse_from_str(&dt, "%B %d %Y %H:%M %Z"))
.or_else(|_| parse_from_str(&dt, "%B %d %Y %I:%M:%S %P %Z"))
.or_else(|_| parse_from_str(&dt, "%B %d %Y %I:%M %P %Z"))
.ok()
.and_then(|parsed| offset.from_local_datetime(&parsed).single())
.map(|datetime| datetime.with_timezone(&Utc))
.map(Ok)
}
Err(err) => Some(Err(err)),
};
}
}
None
}
// Mon dd, yyyy
// - May 25, 2021
// - oct 7, 1970
// - oct 7, 70
// - oct. 7, 1970
// - oct. 7, 70
// - October 7, 1970
fn month_mdy(&self, input: &str) -> Option<Result<DateTime<Utc>>> {
lazy_static! {
static ref RE: Regex =
Regex::new(r"^[a-zA-Z]{3,9}\.?\s+[0-9]{1,2},\s+[0-9]{2,4}$").unwrap();
}
if !RE.is_match(input) {
return None;
}
// set time to use
let time = match self.default_time {
Some(v) => v,
None => Utc::now().with_timezone(self.tz).time(),
};
let dt = input.replace(", ", " ").replace(". ", " ");
NaiveDate::parse_from_str(&dt, "%B %d %y")
.or_else(|_| NaiveDate::parse_from_str(&dt, "%B %d %Y"))
.ok()
.map(|parsed| parsed.and_time(time))
.and_then(|datetime| self.tz.from_local_datetime(&datetime).single())
.map(|at_tz| at_tz.with_timezone(&Utc))
.map(Ok)
}
// dd Mon yyyy hh:mm:ss
// - 12 Feb 2006, 19:17
// - 12 Feb 2006 19:17
// - 14 May 2019 19:11:40.164
fn month_dmy_hms(&self, input: &str) -> Option<Result<DateTime<Utc>>> {
lazy_static! {
static ref RE: Regex = Regex::new(
r"^[0-9]{1,2}\s+[a-zA-Z]{3,9}\s+[0-9]{2,4},?\s+[0-9]{1,2}:[0-9]{2}(:[0-9]{2})?(\.[0-9]{1,9})?$",
).unwrap();
}
if !RE.is_match(input) {
return None;
}
let dt = input.replace(", ", " ");
self.tz
.datetime_from_str(&dt, "%d %B %Y %H:%M:%S")
.or_else(|_| self.tz.datetime_from_str(&dt, "%d %B %Y %H:%M"))
.or_else(|_| self.tz.datetime_from_str(&dt, "%d %B %Y %H:%M:%S%.f"))
.or_else(|_| self.tz.datetime_from_str(&dt, "%d %B %Y %I:%M:%S %P"))
.or_else(|_| self.tz.datetime_from_str(&dt, "%d %B %Y %I:%M %P"))
.ok()
.map(|at_tz| at_tz.with_timezone(&Utc))
.map(Ok)
}
// dd Mon yyyy
// - 7 oct 70
// - 7 oct 1970
// - 03 February 2013
// - 1 July 2013
fn month_dmy(&self, input: &str) -> Option<Result<DateTime<Utc>>> {
lazy_static! {
static ref RE: Regex =
Regex::new(r"^[0-9]{1,2}\s+[a-zA-Z]{3,9}\s+[0-9]{2,4}$").unwrap();
}
if !RE.is_match(input) {
return None;
}
// set time to use
let time = match self.default_time {
Some(v) => v,
None => Utc::now().with_timezone(self.tz).time(),
};
NaiveDate::parse_from_str(input, "%d %B %y")
.or_else(|_| NaiveDate::parse_from_str(input, "%d %B %Y"))
.ok()
.map(|parsed| parsed.and_time(time))
.and_then(|datetime| self.tz.from_local_datetime(&datetime).single())
.map(|at_tz| at_tz.with_timezone(&Utc))
.map(Ok)
}
// mm/dd/yyyy hh:mm:ss
// - 4/8/2014 22:05
// - 04/08/2014 22:05
// - 4/8/14 22:05
// - 04/2/2014 03:00:51
// - 8/8/1965 12:00:00 AM
// - 8/8/1965 01:00:01 PM
// - 8/8/1965 01:00 PM
// - 8/8/1965 1:00 PM
// - 8/8/1965 12:00 AM
// - 4/02/2014 03:00:51
// - 03/19/2012 10:11:59
// - 03/19/2012 10:11:59.3186369
fn slash_mdy_hms(&self, input: &str) -> Option<Result<DateTime<Utc>>> {
lazy_static! {
static ref RE: Regex = Regex::new(
r"^[0-9]{1,2}/[0-9]{1,2}/[0-9]{2,4}\s+[0-9]{1,2}:[0-9]{2}(:[0-9]{2})?(\.[0-9]{1,9})?\s*(am|pm|AM|PM)?$"
)
.unwrap();
}
if !RE.is_match(input) {
return None;
}
self.tz
.datetime_from_str(input, "%m/%d/%y %H:%M:%S")
.or_else(|_| self.tz.datetime_from_str(input, "%m/%d/%y %H:%M"))
.or_else(|_| self.tz.datetime_from_str(input, "%m/%d/%y %H:%M:%S%.f"))
.or_else(|_| self.tz.datetime_from_str(input, "%m/%d/%y %I:%M:%S %P"))
.or_else(|_| self.tz.datetime_from_str(input, "%m/%d/%y %I:%M %P"))
.or_else(|_| self.tz.datetime_from_str(input, "%m/%d/%Y %H:%M:%S"))
.or_else(|_| self.tz.datetime_from_str(input, "%m/%d/%Y %H:%M"))
.or_else(|_| self.tz.datetime_from_str(input, "%m/%d/%Y %H:%M:%S%.f"))
.or_else(|_| self.tz.datetime_from_str(input, "%m/%d/%Y %I:%M:%S %P"))
.or_else(|_| self.tz.datetime_from_str(input, "%m/%d/%Y %I:%M %P"))
.ok()
.map(|at_tz| at_tz.with_timezone(&Utc))
.map(Ok)
}
// mm/dd/yyyy
// - 3/31/2014
// - 03/31/2014
// - 08/21/71
// - 8/1/71
fn slash_mdy(&self, input: &str) -> Option<Result<DateTime<Utc>>> {
lazy_static! {
static ref RE: Regex = Regex::new(r"^[0-9]{1,2}/[0-9]{1,2}/[0-9]{2,4}$").unwrap();
}
if !RE.is_match(input) {
return None;
}
// set time to use
let time = match self.default_time {
Some(v) => v,
None => Utc::now().with_timezone(self.tz).time(),
};
NaiveDate::parse_from_str(input, "%m/%d/%y")
.or_else(|_| NaiveDate::parse_from_str(input, "%m/%d/%Y"))
.ok()
.map(|parsed| parsed.and_time(time))
.and_then(|datetime| self.tz.from_local_datetime(&datetime).single())
.map(|at_tz| at_tz.with_timezone(&Utc))
.map(Ok)
}
// yyyy/mm/dd hh:mm:ss
// - 2014/4/8 22:05
// - 2014/04/08 22:05
// - 2014/04/2 03:00:51
// - 2014/4/02 03:00:51
// - 2012/03/19 10:11:59
// - 2012/03/19 10:11:59.3186369
fn slash_ymd_hms(&self, input: &str) -> Option<Result<DateTime<Utc>>> {
lazy_static! {
static ref RE: Regex = Regex::new(
r"^[0-9]{4}/[0-9]{1,2}/[0-9]{1,2}\s+[0-9]{1,2}:[0-9]{2}(:[0-9]{2})?(\.[0-9]{1,9})?\s*(am|pm|AM|PM)?$"
)
.unwrap();
}
if !RE.is_match(input) {
return None;
}
self.tz
.datetime_from_str(input, "%Y/%m/%d %H:%M:%S")
.or_else(|_| self.tz.datetime_from_str(input, "%Y/%m/%d %H:%M"))
.or_else(|_| self.tz.datetime_from_str(input, "%Y/%m/%d %H:%M:%S%.f"))
.or_else(|_| self.tz.datetime_from_str(input, "%Y/%m/%d %I:%M:%S %P"))
.or_else(|_| self.tz.datetime_from_str(input, "%Y/%m/%d %I:%M %P"))
.ok()
.map(|at_tz| at_tz.with_timezone(&Utc))
.map(Ok)
}
// yyyy/mm/dd
// - 2014/3/31
// - 2014/03/31
fn slash_ymd(&self, input: &str) -> Option<Result<DateTime<Utc>>> {
lazy_static! {
static ref RE: Regex = Regex::new(r"^[0-9]{4}/[0-9]{1,2}/[0-9]{1,2}$").unwrap();
}
if !RE.is_match(input) {
return None;
}
// set time to use
let time = match self.default_time {
Some(v) => v,
None => Utc::now().with_timezone(self.tz).time(),
};
NaiveDate::parse_from_str(input, "%Y/%m/%d")
.ok()
.map(|parsed| parsed.and_time(time))
.and_then(|datetime| self.tz.from_local_datetime(&datetime).single())
.map(|at_tz| at_tz.with_timezone(&Utc))
.map(Ok)
}
// mm.dd.yyyy
// - 3.31.2014
// - 03.31.2014
// - 08.21.71
// yyyy.mm.dd
// - 2014.03.30
// - 2014.03
fn dot_mdy_or_ymd(&self, input: &str) -> Option<Result<DateTime<Utc>>> {
lazy_static! {
static ref RE: Regex = Regex::new(r"[0-9]{1,4}.[0-9]{1,4}[0-9]{1,4}").unwrap();
}
if !RE.is_match(input) {
return None;
}
// set time to use
let time = match self.default_time {
Some(v) => v,
None => Utc::now().with_timezone(self.tz).time(),
};
NaiveDate::parse_from_str(input, "%m.%d.%y")
.or_else(|_| NaiveDate::parse_from_str(input, "%m.%d.%Y"))
.or_else(|_| NaiveDate::parse_from_str(input, "%Y.%m.%d"))
.or_else(|_| {
NaiveDate::parse_from_str(&format!("{}.{}", input, Utc::now().day()), "%Y.%m.%d")
})
.ok()
.map(|parsed| parsed.and_time(time))
.and_then(|datetime| self.tz.from_local_datetime(&datetime).single())
.map(|at_tz| at_tz.with_timezone(&Utc))
.map(Ok)
}
// yymmdd hh:mm:ss mysql log
// - 171113 14:14:20
fn mysql_log_timestamp(&self, input: &str) -> Option<Result<DateTime<Utc>>> {
lazy_static! {
static ref RE: Regex = Regex::new(r"[0-9]{6}\s+[0-9]{2}:[0-9]{2}:[0-9]{2}").unwrap();
}
if !RE.is_match(input) {
return None;
}
self.tz
.datetime_from_str(input, "%y%m%d %H:%M:%S")
.ok()
.map(|at_tz| at_tz.with_timezone(&Utc))
.map(Ok)
}
// chinese yyyy mm dd hh mm ss
// - 2014年04月08日11时25分18秒
fn chinese_ymd_hms(&self, input: &str) -> Option<Result<DateTime<Utc>>> {
lazy_static! {
static ref RE: Regex =
Regex::new(r"^[0-9]{4}年[0-9]{2}月[0-9]{2}日[0-9]{2}时[0-9]{2}分[0-9]{2}秒$")
.unwrap();
}
if !RE.is_match(input) {
return None;
}
self.tz
.datetime_from_str(input, "%Y年%m月%d日%H时%M分%S秒")
.ok()
.map(|at_tz| at_tz.with_timezone(&Utc))
.map(Ok)
}
// chinese yyyy mm dd
// - 2014年04月08日
fn chinese_ymd(&self, input: &str) -> Option<Result<DateTime<Utc>>> {
lazy_static! {
static ref RE: Regex = Regex::new(r"^[0-9]{4}年[0-9]{2}月[0-9]{2}日$").unwrap();
}
if !RE.is_match(input) {
return None;
}
// set time to use
let time = match self.default_time {
Some(v) => v,
None => Utc::now().with_timezone(self.tz).time(),
};
NaiveDate::parse_from_str(input, "%Y年%m月%d日")
.ok()
.map(|parsed| parsed.and_time(time))
.and_then(|datetime| self.tz.from_local_datetime(&datetime).single())
.map(|at_tz| at_tz.with_timezone(&Utc))
.map(Ok)
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn unix_timestamp() {
let parse = Parse::new(&Utc, None);
let test_cases = [
("0000000000", Utc.ymd(1970, 1, 1).and_hms(0, 0, 0)),
("0000000000000", Utc.ymd(1970, 1, 1).and_hms(0, 0, 0)),
("0000000000000000000", Utc.ymd(1970, 1, 1).and_hms(0, 0, 0)),
("1511648546", Utc.ymd(2017, 11, 25).and_hms(22, 22, 26)),
(
"1620021848429",
Utc.ymd(2021, 5, 3).and_hms_milli(6, 4, 8, 429),
),
(
"1620024872717915000",
Utc.ymd(2021, 5, 3).and_hms_nano(6, 54, 32, 717915000),
),
];
for &(input, want) in test_cases.iter() {
assert_eq!(
parse.unix_timestamp(input).unwrap().unwrap(),
want,
"unix_timestamp/{}",
input
)
}
assert!(parse.unix_timestamp("15116").is_none());
assert!(parse
.unix_timestamp("16200248727179150001620024872717915000")
.is_none());
assert!(parse.unix_timestamp("not-a-ts").is_none());
}
#[test]
fn rfc3339() {
let parse = Parse::new(&Utc, None);
let test_cases = [
(
"2021-05-01T01:17:02.604456Z",
Utc.ymd(2021, 5, 1).and_hms_nano(1, 17, 2, 604456000),
),
(
"2017-11-25T22:34:50Z",
Utc.ymd(2017, 11, 25).and_hms(22, 34, 50),
),
];
for &(input, want) in test_cases.iter() {
assert_eq!(
parse.rfc3339(input).unwrap().unwrap(),
want,
"rfc3339/{}",
input
)
}
assert!(parse.rfc3339("2017-11-25 22:34:50").is_none());
assert!(parse.rfc3339("not-date-time").is_none());
}
#[test]
fn rfc2822() {
let parse = Parse::new(&Utc, None);
let test_cases = [
(
"Wed, 02 Jun 2021 06:31:39 GMT",
Utc.ymd(2021, 6, 2).and_hms(6, 31, 39),
),
(
"Wed, 02 Jun 2021 06:31:39 PDT",
Utc.ymd(2021, 6, 2).and_hms(13, 31, 39),
),
];
for &(input, want) in test_cases.iter() {
assert_eq!(
parse.rfc2822(input).unwrap().unwrap(),
want,
"rfc2822/{}",
input
)
}
assert!(parse.rfc2822("02 Jun 2021 06:31:39").is_none());
assert!(parse.rfc2822("not-date-time").is_none());
}
#[test]
fn postgres_timestamp() {
let parse = Parse::new(&Utc, None);
let test_cases = [
(
"2019-11-29 08:08-08",
Utc.ymd(2019, 11, 29).and_hms(16, 8, 0),
),
(
"2019-11-29 08:08:05-08",
Utc.ymd(2019, 11, 29).and_hms(16, 8, 5),
),
(
"2021-05-02 23:31:36.0741-07",
Utc.ymd(2021, 5, 3).and_hms_micro(6, 31, 36, 74100),
),
(
"2021-05-02 23:31:39.12689-07",
Utc.ymd(2021, 5, 3).and_hms_micro(6, 31, 39, 126890),
),
(
"2019-11-29 08:15:47.624504-08",
Utc.ymd(2019, 11, 29).and_hms_micro(16, 15, 47, 624504),
),
(
"2017-07-19 03:21:51+00:00",
Utc.ymd(2017, 7, 19).and_hms(3, 21, 51),
),
];
for &(input, want) in test_cases.iter() {
assert_eq!(
parse.postgres_timestamp(input).unwrap().unwrap(),
want,
"postgres_timestamp/{}",
input
)
}
assert!(parse.postgres_timestamp("not-date-time").is_none());
}
#[test]
fn ymd_hms() {
let parse = Parse::new(&Utc, None);
let test_cases = vec![
("2021-04-30 21:14", Utc.ymd(2021, 4, 30).and_hms(21, 14, 0)),
(
"2021-04-30 21:14:10",
Utc.ymd(2021, 4, 30).and_hms(21, 14, 10),
),
(
"2021-04-30 21:14:10.052282",
Utc.ymd(2021, 4, 30).and_hms_micro(21, 14, 10, 52282),
),
(
"2014-04-26 05:24:37 PM",
Utc.ymd(2014, 4, 26).and_hms(17, 24, 37),
),
(
"2014-04-26 17:24:37.123",
Utc.ymd(2014, 4, 26).and_hms_milli(17, 24, 37, 123),
),
(
"2014-04-26 17:24:37.3186369",
Utc.ymd(2014, 4, 26).and_hms_nano(17, 24, 37, 318636900),
),
(
"2012-08-03 18:31:59.257000000",
Utc.ymd(2012, 8, 3).and_hms_nano(18, 31, 59, 257000000),
),
];
for &(input, want) in test_cases.iter() {
assert_eq!(
parse.ymd_hms(input).unwrap().unwrap(),
want,
"ymd_hms/{}",
input
)
}
assert!(parse.ymd_hms("not-date-time").is_none());
}
#[test]
fn ymd_hms_z() {
let parse = Parse::new(&Utc, None);
let test_cases = vec![
(
"2017-11-25 13:31:15 PST",
Utc.ymd(2017, 11, 25).and_hms(21, 31, 15),
),
(
"2017-11-25 13:31 PST",
Utc.ymd(2017, 11, 25).and_hms(21, 31, 0),
),
(
"2014-12-16 06:20:00 UTC",
Utc.ymd(2014, 12, 16).and_hms(6, 20, 0),
),
(
"2014-12-16 06:20:00 GMT",
Utc.ymd(2014, 12, 16).and_hms(6, 20, 0),
),
(
"2014-04-26 13:13:43 +0800",
Utc.ymd(2014, 4, 26).and_hms(5, 13, 43),
),
(
"2014-04-26 13:13:44 +09:00",
Utc.ymd(2014, 4, 26).and_hms(4, 13, 44),
),
(
"2012-08-03 18:31:59.257000000 +0000",
Utc.ymd(2012, 8, 3).and_hms_nano(18, 31, 59, 257000000),
),
(
"2015-09-30 18:48:56.35272715 UTC",
Utc.ymd(2015, 9, 30).and_hms_nano(18, 48, 56, 352727150),
),
];
for &(input, want) in test_cases.iter() {
assert_eq!(
parse.ymd_hms_z(input).unwrap().unwrap(),
want,
"ymd_hms_z/{}",
input
)
}
assert!(parse.ymd_hms_z("not-date-time").is_none());
}
#[test]
fn ymd() {
let parse = Parse::new(&Utc, Some(Utc::now().time()));
let test_cases = [(
"2021-02-21",
Utc.ymd(2021, 2, 21).and_time(Utc::now().time()),
)];
for &(input, want) in test_cases.iter() {
assert_eq!(
parse
.ymd(input)
.unwrap()
.unwrap()
.trunc_subsecs(0)
.with_second(0)
.unwrap(),
want.unwrap().trunc_subsecs(0).with_second(0).unwrap(),
"ymd/{}",
input
)
}
assert!(parse.ymd("not-date-time").is_none());
}
#[test]
fn ymd_z() {
let parse = Parse::new(&Utc, None);
let now_at_pst = Utc::now().with_timezone(&FixedOffset::west(8 * 3600));
let now_at_cst = Utc::now().with_timezone(&FixedOffset::east(8 * 3600));
let test_cases = [
(
"2021-02-21 PST",
FixedOffset::west(8 * 3600)
.ymd(2021, 2, 21)
.and_time(now_at_pst.time())
.map(|dt| dt.with_timezone(&Utc)),
),
(
"2021-02-21 UTC",
FixedOffset::west(0)
.ymd(2021, 2, 21)
.and_time(Utc::now().time())
.map(|dt| dt.with_timezone(&Utc)),
),
(
"2020-07-20+08:00",
FixedOffset::east(8 * 3600)
.ymd(2020, 7, 20)
.and_time(now_at_cst.time())
.map(|dt| dt.with_timezone(&Utc)),
),
];
for &(input, want) in test_cases.iter() {
assert_eq!(
parse
.ymd_z(input)
.unwrap()
.unwrap()
.trunc_subsecs(0)
.with_second(0)
.unwrap(),
want.unwrap().trunc_subsecs(0).with_second(0).unwrap(),
"ymd_z/{}",
input
)
}
assert!(parse.ymd_z("not-date-time").is_none());
}
#[test]
fn hms() {
let parse = Parse::new(&Utc, None);
let test_cases = [
(
"01:06:06",
Utc::now().date().and_time(NaiveTime::from_hms(1, 6, 6)),
),
(
"4:00pm",
Utc::now().date().and_time(NaiveTime::from_hms(16, 0, 0)),
),
(
"6:00 AM",
Utc::now().date().and_time(NaiveTime::from_hms(6, 0, 0)),
),
];
for &(input, want) in test_cases.iter() {
assert_eq!(
parse.hms(input).unwrap().unwrap(),
want.unwrap(),
"hms/{}",
input
)
}
assert!(parse.hms("not-date-time").is_none());
}
#[test]
fn hms_z() {
let parse = Parse::new(&Utc, None);
let now_at_pst = Utc::now().with_timezone(&FixedOffset::west(8 * 3600));
let test_cases = [
(
"01:06:06 PST",
FixedOffset::west(8 * 3600)
.from_local_date(&now_at_pst.date().naive_local())
.and_time(NaiveTime::from_hms(1, 6, 6))
.map(|dt| dt.with_timezone(&Utc)),
),
(
"4:00pm PST",
FixedOffset::west(8 * 3600)
.from_local_date(&now_at_pst.date().naive_local())
.and_time(NaiveTime::from_hms(16, 0, 0))
.map(|dt| dt.with_timezone(&Utc)),
),
(
"6:00 AM PST",
FixedOffset::west(8 * 3600)
.from_local_date(&now_at_pst.date().naive_local())
.and_time(NaiveTime::from_hms(6, 0, 0))
.map(|dt| dt.with_timezone(&Utc)),
),
(
"6:00pm UTC",
FixedOffset::west(0)
.from_local_date(&Utc::now().date().naive_local())
.and_time(NaiveTime::from_hms(18, 0, 0))
.map(|dt| dt.with_timezone(&Utc)),
),
];
for &(input, want) in test_cases.iter() {
assert_eq!(
parse.hms_z(input).unwrap().unwrap(),
want.unwrap(),
"hms_z/{}",
input
)
}
assert!(parse.hms_z("not-date-time").is_none());
}
#[test]
fn month_ymd() {
let parse = Parse::new(&Utc, None);
let test_cases = [(
"2021-Feb-21",
Utc.ymd(2021, 2, 21).and_time(Utc::now().time()),
)];
for &(input, want) in test_cases.iter() {
assert_eq!(
parse
.month_ymd(input)
.unwrap()
.unwrap()
.trunc_subsecs(0)
.with_second(0)
.unwrap(),
want.unwrap().trunc_subsecs(0).with_second(0).unwrap(),
"month_ymd/{}",
input
)
}
assert!(parse.month_ymd("not-date-time").is_none());
}
#[test]
fn month_md_hms() {
let parse = Parse::new(&Utc, None);
let test_cases = [
(
"May 6 at 9:24 PM",
Utc.ymd(Utc::now().year(), 5, 6).and_hms(21, 24, 0),
),
(
"May 27 02:45:27",
Utc.ymd(Utc::now().year(), 5, 27).and_hms(2, 45, 27),
),
];
for &(input, want) in test_cases.iter() {
assert_eq!(
parse.month_md_hms(input).unwrap().unwrap(),
want,
"month_md_hms/{}",
input
)
}
assert!(parse.month_md_hms("not-date-time").is_none());
}
#[test]
fn month_mdy_hms() {
let parse = Parse::new(&Utc, None);
let test_cases = [
(
"May 8, 2009 5:57:51 PM",
Utc.ymd(2009, 5, 8).and_hms(17, 57, 51),
),
(
"September 17, 2012 10:09am",
Utc.ymd(2012, 9, 17).and_hms(10, 9, 0),
),
(
"September 17, 2012, 10:10:09",
Utc.ymd(2012, 9, 17).and_hms(10, 10, 9),
),
];
for &(input, want) in test_cases.iter() {
assert_eq!(
parse.month_mdy_hms(input).unwrap().unwrap(),
want,
"month_mdy_hms/{}",
input
)
}
assert!(parse.month_mdy_hms("not-date-time").is_none());
}
#[test]
fn month_mdy_hms_z() {
let parse = Parse::new(&Utc, None);
let test_cases = [
(
"May 02, 2021 15:51:31 UTC",
Utc.ymd(2021, 5, 2).and_hms(15, 51, 31),
),
(
"May 02, 2021 15:51 UTC",
Utc.ymd(2021, 5, 2).and_hms(15, 51, 0),
),
(
"May 26, 2021, 12:49 AM PDT",
Utc.ymd(2021, 5, 26).and_hms(7, 49, 0),
),
(
"September 17, 2012 at 10:09am PST",
Utc.ymd(2012, 9, 17).and_hms(18, 9, 0),
),
];
for &(input, want) in test_cases.iter() {
assert_eq!(
parse.month_mdy_hms_z(input).unwrap().unwrap(),
want,
"month_mdy_hms_z/{}",
input
)
}
assert!(parse.month_mdy_hms_z("not-date-time").is_none());
}
#[test]
fn month_mdy() {
let parse = Parse::new(&Utc, None);
let test_cases = [
(
"May 25, 2021",
Utc.ymd(2021, 5, 25).and_time(Utc::now().time()),
),
(
"oct 7, 1970",
Utc.ymd(1970, 10, 7).and_time(Utc::now().time()),
),
(
"oct 7, 70",
Utc.ymd(1970, 10, 7).and_time(Utc::now().time()),
),
(
"oct. 7, 1970",
Utc.ymd(1970, 10, 7).and_time(Utc::now().time()),
),
(
"oct. 7, 70",
Utc.ymd(1970, 10, 7).and_time(Utc::now().time()),
),
(
"October 7, 1970",
Utc.ymd(1970, 10, 7).and_time(Utc::now().time()),
),
];
for &(input, want) in test_cases.iter() {
assert_eq!(
parse
.month_mdy(input)
.unwrap()
.unwrap()
.trunc_subsecs(0)
.with_second(0)
.unwrap(),
want.unwrap().trunc_subsecs(0).with_second(0).unwrap(),
"month_mdy/{}",
input
)
}
assert!(parse.month_mdy("not-date-time").is_none());
}
#[test]
fn month_dmy_hms() {
let parse = Parse::new(&Utc, None);
let test_cases = [
(
"12 Feb 2006, 19:17",
Utc.ymd(2006, 2, 12).and_hms(19, 17, 0),
),
("12 Feb 2006 19:17", Utc.ymd(2006, 2, 12).and_hms(19, 17, 0)),
(
"14 May 2019 19:11:40.164",
Utc.ymd(2019, 5, 14).and_hms_milli(19, 11, 40, 164),
),
];
for &(input, want) in test_cases.iter() {
assert_eq!(
parse.month_dmy_hms(input).unwrap().unwrap(),
want,
"month_dmy_hms/{}",
input
)
}
assert!(parse.month_dmy_hms("not-date-time").is_none());
}
#[test]
fn month_dmy() {
let parse = Parse::new(&Utc, None);
let test_cases = [
("7 oct 70", Utc.ymd(1970, 10, 7).and_time(Utc::now().time())),
(
"7 oct 1970",
Utc.ymd(1970, 10, 7).and_time(Utc::now().time()),
),
(
"03 February 2013",
Utc.ymd(2013, 2, 3).and_time(Utc::now().time()),
),
(
"1 July 2013",
Utc.ymd(2013, 7, 1).and_time(Utc::now().time()),
),
];
for &(input, want) in test_cases.iter() {
assert_eq!(
parse
.month_dmy(input)
.unwrap()
.unwrap()
.trunc_subsecs(0)
.with_second(0)
.unwrap(),
want.unwrap().trunc_subsecs(0).with_second(0).unwrap(),
"month_dmy/{}",
input
)
}
assert!(parse.month_dmy("not-date-time").is_none());
}
#[test]
fn slash_mdy_hms() {
let parse = Parse::new(&Utc, None);
let test_cases = vec![
("4/8/2014 22:05", Utc.ymd(2014, 4, 8).and_hms(22, 5, 0)),
("04/08/2014 22:05", Utc.ymd(2014, 4, 8).and_hms(22, 5, 0)),
("4/8/14 22:05", Utc.ymd(2014, 4, 8).and_hms(22, 5, 0)),
("04/2/2014 03:00:51", Utc.ymd(2014, 4, 2).and_hms(3, 0, 51)),
("8/8/1965 12:00:00 AM", Utc.ymd(1965, 8, 8).and_hms(0, 0, 0)),
(
"8/8/1965 01:00:01 PM",
Utc.ymd(1965, 8, 8).and_hms(13, 0, 1),
),
("8/8/1965 01:00 PM", Utc.ymd(1965, 8, 8).and_hms(13, 0, 0)),
("8/8/1965 1:00 PM", Utc.ymd(1965, 8, 8).and_hms(13, 0, 0)),
("8/8/1965 12:00 AM", Utc.ymd(1965, 8, 8).and_hms(0, 0, 0)),
("4/02/2014 03:00:51", Utc.ymd(2014, 4, 2).and_hms(3, 0, 51)),
(
"03/19/2012 10:11:59",
Utc.ymd(2012, 3, 19).and_hms(10, 11, 59),
),
(
"03/19/2012 10:11:59.3186369",
Utc.ymd(2012, 3, 19).and_hms_nano(10, 11, 59, 318636900),
),
];
for &(input, want) in test_cases.iter() {
assert_eq!(
parse.slash_mdy_hms(input).unwrap().unwrap(),
want,
"slash_mdy_hms/{}",
input
)
}
assert!(parse.slash_mdy_hms("not-date-time").is_none());
}
#[test]
fn slash_mdy() {
let parse = Parse::new(&Utc, None);
let test_cases = [
(
"3/31/2014",
Utc.ymd(2014, 3, 31).and_time(Utc::now().time()),
),
(
"03/31/2014",
Utc.ymd(2014, 3, 31).and_time(Utc::now().time()),
),
("08/21/71", Utc.ymd(1971, 8, 21).and_time(Utc::now().time())),
("8/1/71", Utc.ymd(1971, 8, 1).and_time(Utc::now().time())),
];
for &(input, want) in test_cases.iter() {
assert_eq!(
parse
.slash_mdy(input)
.unwrap()
.unwrap()
.trunc_subsecs(0)
.with_second(0)
.unwrap(),
want.unwrap().trunc_subsecs(0).with_second(0).unwrap(),
"slash_mdy/{}",
input
)
}
assert!(parse.slash_mdy("not-date-time").is_none());
}
#[test]
fn slash_ymd_hms() {
let parse = Parse::new(&Utc, None);
let test_cases = [
("2014/4/8 22:05", Utc.ymd(2014, 4, 8).and_hms(22, 5, 0)),
("2014/04/08 22:05", Utc.ymd(2014, 4, 8).and_hms(22, 5, 0)),
("2014/04/2 03:00:51", Utc.ymd(2014, 4, 2).and_hms(3, 0, 51)),
("2014/4/02 03:00:51", Utc.ymd(2014, 4, 2).and_hms(3, 0, 51)),
(
"2012/03/19 10:11:59",
Utc.ymd(2012, 3, 19).and_hms(10, 11, 59),
),
(
"2012/03/19 10:11:59.3186369",
Utc.ymd(2012, 3, 19).and_hms_nano(10, 11, 59, 318636900),
),
];
for &(input, want) in test_cases.iter() {
assert_eq!(
parse.slash_ymd_hms(input).unwrap().unwrap(),
want,
"slash_ymd_hms/{}",
input
)
}
assert!(parse.slash_ymd_hms("not-date-time").is_none());
}
#[test]
fn slash_ymd() {
let parse = Parse::new(&Utc, Some(Utc::now().time()));
let test_cases = [
(
"2014/3/31",
Utc.ymd(2014, 3, 31).and_time(Utc::now().time()),
),
(
"2014/03/31",
Utc.ymd(2014, 3, 31).and_time(Utc::now().time()),
),
];
for &(input, want) in test_cases.iter() {
assert_eq!(
parse
.slash_ymd(input)
.unwrap()
.unwrap()
.trunc_subsecs(0)
.with_second(0)
.unwrap(),
want.unwrap().trunc_subsecs(0).with_second(0).unwrap(),
"slash_ymd/{}",
input
)
}
assert!(parse.slash_ymd("not-date-time").is_none());
}
#[test]
fn dot_mdy_or_ymd() {
let parse = Parse::new(&Utc, Some(Utc::now().time()));
let test_cases = [
// mm.dd.yyyy
(
"3.31.2014",
Utc.ymd(2014, 3, 31).and_time(Utc::now().time()),
),
(
"03.31.2014",
Utc.ymd(2014, 3, 31).and_time(Utc::now().time()),
),
("08.21.71", Utc.ymd(1971, 8, 21).and_time(Utc::now().time())),
// yyyy.mm.dd
(
"2014.03.30",
Utc.ymd(2014, 3, 30).and_time(Utc::now().time()),
),
(
"2014.03",
Utc.ymd(2014, 3, Utc::now().day())
.and_time(Utc::now().time()),
),
];
for &(input, want) in test_cases.iter() {
assert_eq!(
parse
.dot_mdy_or_ymd(input)
.unwrap()
.unwrap()
.trunc_subsecs(0)
.with_second(0)
.unwrap(),
want.unwrap().trunc_subsecs(0).with_second(0).unwrap(),
"dot_mdy_or_ymd/{}",
input
)
}
assert!(parse.dot_mdy_or_ymd("not-date-time").is_none());
}
#[test]
fn mysql_log_timestamp() {
let parse = Parse::new(&Utc, None);
let test_cases = [
// yymmdd hh:mm:ss mysql log
("171113 14:14:20", Utc.ymd(2017, 11, 13).and_hms(14, 14, 20)),
];
for &(input, want) in test_cases.iter() {
assert_eq!(
parse.mysql_log_timestamp(input).unwrap().unwrap(),
want,
"mysql_log_timestamp/{}",
input
)
}
assert!(parse.mysql_log_timestamp("not-date-time").is_none());
}
#[test]
fn chinese_ymd_hms() {
let parse = Parse::new(&Utc, None);
let test_cases = [(
"2014年04月08日11时25分18秒",
Utc.ymd(2014, 4, 8).and_hms(11, 25, 18),
)];
for &(input, want) in test_cases.iter() {
assert_eq!(
parse.chinese_ymd_hms(input).unwrap().unwrap(),
want,
"chinese_ymd_hms/{}",
input
)
}
assert!(parse.chinese_ymd_hms("not-date-time").is_none());
}
#[test]
fn chinese_ymd() {
let parse = Parse::new(&Utc, Some(Utc::now().time()));
let test_cases = [(
"2014年04月08日",
Utc.ymd(2014, 4, 8).and_time(Utc::now().time()),
)];
for &(input, want) in test_cases.iter() {
assert_eq!(
parse
.chinese_ymd(input)
.unwrap()
.unwrap()
.trunc_subsecs(0)
.with_second(0)
.unwrap(),
want.unwrap().trunc_subsecs(0).with_second(0).unwrap(),
"chinese_ymd/{}",
input
)
}
assert!(parse.chinese_ymd("not-date-time").is_none());
}
}