Add a bunch more tests

Failing currently, but still making progress.
We're essentially at a releasable point I think.

build_pycompat.py

@@ -0,0 +1,343 @@
+from dateutil.parser import parse
+from datetime import datetime
+
+tests = {
+    'test_parse_default': [
+        "Thu Sep 25 10:36:28", "Thu Sep 10:36:28", "Thu 10:36:28",
+        "Sep 10:36:28", "10:36:28", "10:36", "Sep 2003", "Sep", "2003",
+        "10h36m28.5s", "10h36m28s", "10h36m", "10h", "10 h 36", "10 h 36.5",
+        "36 m 5", "36 m 5 s", "36 m 05", "36 m 05 s", "10h am", "10h pm",
+        "10am", "10pm", "10:00 am", "10:00 pm", "10:00am", "10:00pm",
+        "10:00a.m", "10:00p.m", "10:00a.m.", "10:00p.m.", "Wed", "Wednesday",
+        "October", "31-Dec-00", "0:01:02", "12h 01m02s am", "12:08 PM",
+        "01h02m03", "01h02", "01h02s", "01m02", "01m02h", "2004 10 Apr 11h30m",
+        # testPertain
+        'Sep 03', 'Sep of 03',
+    ],
+    'test_parse_simple': [
+        "Thu Sep 25 10:36:28 2003", "Thu Sep 25 2003", "2003-09-25T10:49:41",
+        "2003-09-25T10:49", "2003-09-25T10", "2003-09-25", "20030925T104941",
+        "20030925T1049", "20030925T10", "20030925", "2003-09-25 10:49:41,502",
+        "199709020908", "19970902090807", "2003-09-25", "09-25-2003",
+        "25-09-2003", "10-09-2003", "10-09-03", "2003.09.25", "09.25.2003",
+        "25.09.2003", "10.09.2003", "10.09.03", "2003/09/25", "09/25/2003",
+        "25/09/2003", "10/09/2003", "10/09/03", "2003 09 25", "09 25 2003",
+        "25 09 2003", "10 09 2003", "10 09 03", "25 09 03", "03 25 Sep",
+        "25 03 Sep", "  July   4 ,  1976   12:01:02   am  ",
+        "Wed, July 10, '96", "1996.July.10 AD 12:08 PM", "July 4, 1976",
+        "7 4 1976", "4 jul 1976", "7-4-76", "19760704",
+        "0:01:02 on July 4, 1976", "0:01:02 on July 4, 1976",
+        "July 4, 1976 12:01:02 am", "Mon Jan  2 04:24:27 1995",
+        "04.04.95 00:22", "Jan 1 1999 11:23:34.578", "950404 122212",
+        "3rd of May 2001", "5th of March 2001", "1st of May 2003",
+        '0099-01-01T00:00:00', '0031-01-01T00:00:00',
+        "20080227T21:26:01.123456789", '13NOV2017', '0003-03-04',
+        'December.0031.30',
+        # testNoYearFirstNoDayFirst
+        '090107',
+        # test_mstridx
+        '2015-15-May',
+        # test_hmBY
+        '02:17NOV2017'
+    ],
+    'test_parse_tzinfo': [
+        'Thu Sep 25 10:36:28 BRST 2003', '2003 10:36:28 BRST 25 Sep Thu',
+    ],
+    'test_parse_offset': [
+        'Thu, 25 Sep 2003 10:49:41 -0300', '2003-09-25T10:49:41.5-03:00',
+        '2003-09-25T10:49:41-03:00', '20030925T104941.5-0300',
+        '20030925T104941-0300'
+    ],
+    'test_parse_dayfirst': [
+        '10-09-2003', '10.09.2003', '10/09/2003', '10 09 2003',
+        # testDayFirst
+        '090107',
+        # testUnambiguousDayFirst
+        '2015 09 25'
+    ],
+    'test_parse_yearfirst': [
+        '10-09-03', '10.09.03', '10/09/03', '10 09 03',
+        # testYearFirst
+        '090107',
+        # testUnambiguousYearFirst
+        '2015 09 25'
+    ],
+    'test_parse_dfyf': [
+        # testDayFirstYearFirst
+        '090107',
+        # testUnambiguousDayFirstYearFirst
+        '2015 09 25'
+    ],
+    'test_unspecified_fallback': [
+        'April 2009', 'Feb 2007', 'Feb 2008'
+    ],
+    'test_parse_ignoretz': [
+        'Thu Sep 25 10:36:28 BRST 2003', '1996.07.10 AD at 15:08:56 PDT',
+        'Tuesday, April 12, 1952 AD 3:30:42pm PST',
+        'November 5, 1994, 8:15:30 am EST', '1994-11-05T08:15:30-05:00',
+        '1994-11-05T08:15:30Z', '1976-07-04T00:01:02Z',
+        'Tue Apr 4 00:22:12 PDT 1995'
+    ]
+}
+
+def main():
+    with open('tests/pycompat.rs', 'w+') as handle:
+        handle.write(TEST_HEADER)
+
+        for test_name, test_strings in tests.items():
+            for i, s in enumerate(test_strings):
+                handle.write(globals()[test_name].__call__(i, s))
+
+
+def test_parse_default(i, s):
+    default = datetime(2003, 9, 25)
+    d = parse(s, default=default)
+
+    return TEST_PARSE_DEFAULT.format(i=i, d=d, s=s)
+
+
+def test_parse_simple(i, s):
+    d = parse(s)
+
+    return TEST_PARSE_SIMPLE.format(i=i, d=d, s=s)
+
+
+def test_parse_tzinfo(i, s):
+    tzinfo = {'BRST': -10800}
+    d = parse(s, tzinfos=tzinfo)
+
+    return TEST_PARSE_TZINFO.format(i=i, d=d, s=s, offset=int(d.tzinfo._offset.total_seconds()))
+
+
+def test_parse_offset(i, s):
+    d = parse(s)
+    return TEST_PARSE_OFFSET.format(i=i, d=d, s=s, offset=int(d.tzinfo._offset.total_seconds()))
+
+
+def test_parse_dayfirst(i, s):
+    d = parse(s, dayfirst=True)
+    return TEST_PARSE_DAYFIRST.format(i=i, d=d, s=s)
+
+
+def test_parse_yearfirst(i, s):
+    d = parse(s, yearfirst=True)
+    return TEST_PARSE_YEARFIRST.format(i=i, d=d, s=s)
+
+
+def test_parse_dfyf(i, s):
+    d = parse(s, dayfirst=True, yearfirst=True)
+    return TEST_PARSE_DFYF.format(i=i, d=d, s=s)
+
+
+def test_unspecified_fallback(i, s):
+    d = parse(s, default=datetime(2010, 1, 31))
+    return TEST_UNSPECIFIED_FALLBACK.format(i=i, d=d, s=s)
+
+
+def test_parse_ignoretz(i, s):
+    d = parse(s, ignoretz=True)
+    return TEST_PARSE_IGNORETZ.format(i=i, d=d, s=s)
+
+# Here lies all the ugly junk.
+TEST_HEADER = '''
+extern crate chrono;
+
+use chrono::Datelike;
+use chrono::NaiveDate;
+use chrono::NaiveDateTime;
+use chrono::Timelike;
+use std::collections::HashMap;
+
+extern crate dtparse;
+
+use dtparse::Parser;
+use dtparse::ParserInfo;
+
+struct PyDateTime {
+    year: i32,
+    month: u32,
+    day: u32,
+    hour: u32,
+    minute: u32,
+    second: u32,
+    micros: u32,
+    tzo: Option<i32>
+}
+
+fn parse_and_assert(
+    pdt: PyDateTime,
+    info: ParserInfo,
+    s: &str,
+    dayfirst: Option<bool>,
+    yearfirst: Option<bool>,
+    fuzzy: bool,
+    fuzzy_with_tokens: bool,
+    default: Option<&NaiveDateTime>,
+    ignoretz: bool,
+    tzinfos: HashMap<String, i32>,
+) {
+
+    let mut parser = Parser::new(info);
+    let rs_parsed = parser.parse(
+        s,
+        dayfirst,
+        yearfirst,
+        fuzzy,
+        fuzzy_with_tokens,
+        default,
+        ignoretz,
+        tzinfos).expect(&format!("Unable to parse date in Rust '{}'", s));
+
+    assert_eq!(pdt.year, rs_parsed.0.year(), "Year mismatch for '{}'", s);
+    assert_eq!(pdt.month, rs_parsed.0.month(), "Month mismatch for '{}'", s);
+    assert_eq!(pdt.day, rs_parsed.0.day(), "Day mismatch for '{}'", s);
+    assert_eq!(pdt.hour, rs_parsed.0.hour(), "Hour mismatch for '{}'", s);
+    assert_eq!(pdt.minute, rs_parsed.0.minute(), "Minute mismatch f'or' {}", s);
+    assert_eq!(pdt.second, rs_parsed.0.second(), "Second mismatch for '{}'", s);
+    assert_eq!(pdt.micros, rs_parsed.0.timestamp_subsec_micros(), "Microsecond mismatch for {}", s);
+    assert_eq!(pdt.tzo, rs_parsed.1.map(|u| u.local_minus_utc()), "Timezone Offset mismatch for {}", s);
+}
+
+fn parse_and_assert_simple(
+    pdt: PyDateTime,
+    s: &str,
+) {
+    let rs_parsed = dtparse::parse(s).expect(&format!("Unable to parse date in Rust '{}'", s));
+    assert_eq!(pdt.year, rs_parsed.0.year(), "Year mismatch for {}", s);
+    assert_eq!(pdt.month, rs_parsed.0.month(), "Month mismatch for {}", s);
+    assert_eq!(pdt.day, rs_parsed.0.day(), "Day mismatch for {}", s);
+    assert_eq!(pdt.hour, rs_parsed.0.hour(), "Hour mismatch for {}", s);
+    assert_eq!(pdt.minute, rs_parsed.0.minute(), "Minute mismatch for {}", s);
+    assert_eq!(pdt.second, rs_parsed.0.second(), "Second mismatch for {}", s);
+    assert_eq!(pdt.micros, rs_parsed.0.timestamp_subsec_micros(), "Microsecond mismatch for {}", s);
+    assert_eq!(pdt.tzo, rs_parsed.1.map(|u| u.local_minus_utc()), "Timezone Offset mismatch for {}", s);
+}
+
+macro_rules! rs_tzinfo_map {
+    () => ({
+        let mut h = HashMap::new();
+        h.insert("BRST".to_owned(), -10800);
+        h
+    });
+}\n'''
+
+TEST_PARSE_DEFAULT = '''
+#[test]
+fn test_parse_default{i}() {{
+    let info = ParserInfo::default();
+    let default_rsdate = &NaiveDate::from_ymd(2003, 9, 25).and_hms(0, 0, 0);
+    let pdt = PyDateTime {{
+        year: {d.year}, month: {d.month}, day: {d.day},
+        hour: {d.hour}, minute: {d.minute}, second: {d.second},
+        micros: {d.microsecond}, tzo: None
+    }};
+    parse_and_assert(pdt, info, "{s}", None, None, false, false,
+                     Some(default_rsdate), false, HashMap::new());
+}}\n'''
+
+TEST_PARSE_SIMPLE = '''
+#[test]
+fn test_parse_simple{i}() {{
+    let pdt = PyDateTime {{
+        year: {d.year}, month: {d.month}, day: {d.day},
+        hour: {d.hour}, minute: {d.minute}, second: {d.second},
+        micros: {d.microsecond}, tzo: None,
+    }};
+    parse_and_assert_simple(pdt, "{s}");
+}}\n'''
+
+TEST_PARSE_TZINFO = '''
+#[test]
+fn test_parse_tzinfo{i}() {{
+    let info = ParserInfo::default();
+    let pdt = PyDateTime {{
+        year: {d.year}, month: {d.month}, day: {d.day},
+        hour: {d.hour}, minute: {d.minute}, second: {d.second},
+        micros: {d.microsecond}, tzo: Some({offset}),
+    }};
+    parse_and_assert(pdt, info, "{s}", None, None, false, false,
+                     None, false, rs_tzinfo_map!());
+}}\n'''
+
+TEST_PARSE_OFFSET = '''
+#[test]
+fn test_parse_offset{i}() {{
+    let info = ParserInfo::default();
+    let pdt = PyDateTime {{
+        year: {d.year}, month: {d.month}, day: {d.day},
+        hour: {d.hour}, minute: {d.minute}, second: {d.second},
+        micros: {d.microsecond}, tzo: Some({offset}),
+    }};
+    parse_and_assert(pdt, info, "{s}", None, None, false, false,
+                     None, false, HashMap::new());
+}}\n'''
+
+TEST_PARSE_DAYFIRST = '''
+#[test]
+fn test_parse_dayfirst{i}() {{
+    let info = ParserInfo::default();
+    let pdt = PyDateTime {{
+        year: {d.year}, month: {d.month}, day: {d.day},
+        hour: {d.hour}, minute: {d.minute}, second: {d.second},
+        micros: {d.microsecond}, tzo: None,
+    }};
+    parse_and_assert(pdt, info, "{s}", Some(true), None, false, false,
+                     None, false, HashMap::new());
+}}\n'''
+
+TEST_PARSE_YEARFIRST = '''
+#[test]
+fn test_parse_yearfirst{i}() {{
+    let info = ParserInfo::default();
+    let pdt = PyDateTime {{
+        year: {d.year}, month: {d.month}, day: {d.day},
+        hour: {d.hour}, minute: {d.minute}, second: {d.second},
+        micros: {d.microsecond}, tzo: None,
+    }};
+    parse_and_assert(pdt, info, "{s}", None, Some(true), false, false,
+                     None, false, HashMap::new());
+}}\n'''
+
+TEST_PARSE_DFYF = '''
+#[test]
+fn test_parse_dfyf{i}() {{
+    let info = ParserInfo::default();
+    let pdt = PyDateTime {{
+        year: {d.year}, month: {d.month}, day: {d.day},
+        hour: {d.hour}, minute: {d.minute}, second: {d.second},
+        micros: {d.microsecond}, tzo: None,
+    }};
+    parse_and_assert(pdt, info, "{s}", Some(true), Some(true), false, false,
+                     None, false, HashMap::new());
+}}\n'''
+
+TEST_UNSPECIFIED_FALLBACK = '''
+#[test]
+fn test_unspecified_fallback{i}() {{
+    let info = ParserInfo::default();
+    let default_rsdate = &NaiveDate::from_ymd(2010, 1, 31).and_hms(0, 0, 0);
+    let pdt = PyDateTime {{
+        year: {d.year}, month: {d.month}, day: {d.day},
+        hour: {d.hour}, minute: {d.minute}, second: {d.second},
+        micros: {d.microsecond}, tzo: None
+    }};
+    parse_and_assert(pdt, info, "{s}", None, None, false, false,
+                     Some(default_rsdate), false, HashMap::new());
+}}\n'''
+
+TEST_PARSE_IGNORETZ = '''
+#[test]
+fn test_parse_ignoretz{i}() {{
+    let info = ParserInfo::default();
+    let pdt = PyDateTime {{
+        year: {d.year}, month: {d.month}, day: {d.day},
+        hour: {d.hour}, minute: {d.minute}, second: {d.second},
+        micros: {d.microsecond}, tzo: None
+    }};
+    parse_and_assert(pdt, info, "{s}", None, None, false, false,
+                     None, true, HashMap::new());
+}}\n'''
+
+
+if __name__ == '__main__':
+    main()