1 files changed, 465 insertions, 0 deletions
diff --git a/tests/parsing/test_parse_iso8601.py b/tests/parsing/test_parse_iso8601.py
new file mode 100644
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--- /dev/null
+++ b/tests/parsing/test_parse_iso8601.py
@@ -0,0 +1,465 @@
+from __future__ import annotations
+
+from datetime import date
+from datetime import datetime
+from datetime import time
+
+import pytest
+
+from pendulum.parsing import parse_iso8601
+
+try:
+    from pendulum.parsing._extension import TZFixedOffset as FixedTimezone
+except ImportError:
+    from pendulum.tz.timezone import FixedTimezone
+
+
+def test_parse_iso8601():
+    # Date
+    assert date(2016, 1, 1) == parse_iso8601("2016")
+    assert date(2016, 10, 1) == parse_iso8601("2016-10")
+    assert date(2016, 10, 6) == parse_iso8601("2016-10-06")
+    assert date(2016, 10, 6) == parse_iso8601("20161006")
+
+    # Time
+    assert time(20, 16, 10, 0) == parse_iso8601("201610")
+
+    # Datetime
+    assert datetime(2016, 10, 6, 12, 34, 56, 123456) == parse_iso8601(
+        "2016-10-06T12:34:56.123456"
+    )
+    assert datetime(2016, 10, 6, 12, 34, 56, 123000) == parse_iso8601(
+        "2016-10-06T12:34:56.123"
+    )
+    assert datetime(2016, 10, 6, 12, 34, 56, 123) == parse_iso8601(
+        "2016-10-06T12:34:56.000123"
+    )
+    assert datetime(2016, 10, 6, 12, 0, 0, 0) == parse_iso8601("2016-10-06T12")
+    assert datetime(2016, 10, 6, 12, 34, 56, 0) == parse_iso8601("2016-10-06T123456")
+    assert datetime(2016, 10, 6, 12, 34, 56, 123456) == parse_iso8601(
+        "2016-10-06T123456.123456"
+    )
+    assert datetime(2016, 10, 6, 12, 34, 56, 123456) == parse_iso8601(
+        "20161006T123456.123456"
+    )
+    assert datetime(2016, 10, 6, 12, 34, 56, 123456) == parse_iso8601(
+        "20161006 123456.123456"
+    )
+
+    # Datetime with offset
+    assert datetime(
+        2016, 10, 6, 12, 34, 56, 123456, FixedTimezone(19800)
+    ) == parse_iso8601("2016-10-06T12:34:56.123456+05:30")
+    assert datetime(
+        2016, 10, 6, 12, 34, 56, 123456, FixedTimezone(19800)
+    ) == parse_iso8601("2016-10-06T12:34:56.123456+0530")
+    assert datetime(
+        2016, 10, 6, 12, 34, 56, 123456, FixedTimezone(-19800)
+    ) == parse_iso8601("2016-10-06T12:34:56.123456-05:30")
+    assert datetime(
+        2016, 10, 6, 12, 34, 56, 123456, FixedTimezone(-19800)
+    ) == parse_iso8601("2016-10-06T12:34:56.123456-0530")
+    assert datetime(
+        2016, 10, 6, 12, 34, 56, 123456, FixedTimezone(18000)
+    ) == parse_iso8601("2016-10-06T12:34:56.123456+05")
+    assert datetime(
+        2016, 10, 6, 12, 34, 56, 123456, FixedTimezone(-18000)
+    ) == parse_iso8601("2016-10-06T12:34:56.123456-05")
+    assert datetime(
+        2016, 10, 6, 12, 34, 56, 123456, FixedTimezone(-18000)
+    ) == parse_iso8601("20161006T123456,123456-05")
+    assert datetime(
+        2016, 10, 6, 12, 34, 56, 123456, FixedTimezone(+19800)
+    ) == parse_iso8601("2016-10-06T12:34:56.123456789+05:30")
+
+    # Ordinal date
+    assert date(2012, 1, 7) == parse_iso8601("2012-007")
+    assert date(2012, 1, 7) == parse_iso8601("2012007")
+    assert date(2017, 3, 20) == parse_iso8601("2017-079")
+
+    # Week date
+    assert date(2012, 1, 30) == parse_iso8601("2012-W05")
+    assert date(2008, 9, 27) == parse_iso8601("2008-W39-6")
+    assert date(2010, 1, 3) == parse_iso8601("2009-W53-7")
+    assert date(2008, 12, 29) == parse_iso8601("2009-W01-1")
+
+    # Week date wth time
+    assert datetime(2008, 9, 27, 9, 0, 0, 0) == parse_iso8601("2008-W39-6T09")
+
+
+def test_parse_ios8601_invalid():
+    # Invalid month
+    with pytest.raises(ValueError):
+        parse_iso8601("20161306T123456")
+
+    # Invalid day
+    with pytest.raises(ValueError):
+        parse_iso8601("20161033T123456")
+
+    # Invalid day for month
+    with pytest.raises(ValueError):
+        parse_iso8601("20161131T123456")
+
+    # Invalid hour
+    with pytest.raises(ValueError):
+        parse_iso8601("20161006T243456")
+
+    # Invalid minute
+    with pytest.raises(ValueError):
+        parse_iso8601("20161006T126056")
+
+    # Invalid second
+    with pytest.raises(ValueError):
+        parse_iso8601("20161006T123460")
+
+    # Extraneous separator
+    with pytest.raises(ValueError):
+        parse_iso8601("20140203 04:05:.123456")
+    with pytest.raises(ValueError):
+        parse_iso8601("2009-05-19 14:")
+
+    # Invalid ordinal
+    with pytest.raises(ValueError):
+        parse_iso8601("2009367")
+    with pytest.raises(ValueError):
+        parse_iso8601("2009-367")
+    with pytest.raises(ValueError):
+        parse_iso8601("2015-366")
+    with pytest.raises(ValueError):
+        parse_iso8601("2015-000")
+
+    # Invalid date
+    with pytest.raises(ValueError):
+        parse_iso8601("2009-")
+
+    # Invalid time
+    with pytest.raises(ValueError):
+        parse_iso8601("2009-05-19T14:3924")
+    with pytest.raises(ValueError):
+        parse_iso8601("2010-02-18T16.5:23.35:48")
+    with pytest.raises(ValueError):
+        parse_iso8601("2010-02-18T16:23.35:48.45")
+    with pytest.raises(ValueError):
+        parse_iso8601("2010-02-18T16:23.33.600")
+
+    # Invalid offset
+    with pytest.raises(ValueError):
+        parse_iso8601("2009-05-19 14:39:22+063")
+    with pytest.raises(ValueError):
+        parse_iso8601("2009-05-19 14:39:22+06a00")
+    with pytest.raises(ValueError):
+        parse_iso8601("2009-05-19 14:39:22+0:6:00")
+
+    # Missing time separator
+    with pytest.raises(ValueError):
+        parse_iso8601("2009-05-1914:39")
+
+    # Invalid week date
+    with pytest.raises(ValueError):
+        parse_iso8601("2012-W63")
+    with pytest.raises(ValueError):
+        parse_iso8601("2012-W12-9")
+    with pytest.raises(ValueError):
+        parse_iso8601("2012W12-3")  # Missing separator
+    with pytest.raises(ValueError):
+        parse_iso8601("2012-W123")  # Missing separator
+
+
+def test_parse_ios8601_duration():
+    text = "P2Y3M4DT5H6M7S"
+    parsed = parse_iso8601(text)
+
+    assert parsed.years == 2
+    assert parsed.months == 3
+    assert parsed.weeks == 0
+    assert parsed.remaining_days == 4
+    assert parsed.hours == 5
+    assert parsed.minutes == 6
+    assert parsed.remaining_seconds == 7
+    assert parsed.microseconds == 0
+
+    text = "P1Y2M3DT4H5M6.5S"
+    parsed = parse_iso8601(text)
+
+    assert parsed.years == 1
+    assert parsed.months == 2
+    assert parsed.weeks == 0
+    assert parsed.remaining_days == 3
+    assert parsed.hours == 4
+    assert parsed.minutes == 5
+    assert parsed.remaining_seconds == 6
+    assert parsed.microseconds == 500000
+
+    text = "P1Y2M3DT4H5M6,5S"
+    parsed = parse_iso8601(text)
+
+    assert parsed.years == 1
+    assert parsed.months == 2
+    assert parsed.weeks == 0
+    assert parsed.remaining_days == 3
+    assert parsed.hours == 4
+    assert parsed.minutes == 5
+    assert parsed.remaining_seconds == 6
+    assert parsed.microseconds == 500000
+
+    text = "P1Y2M3D"
+    parsed = parse_iso8601(text)
+
+    assert parsed.years == 1
+    assert parsed.months == 2
+    assert parsed.weeks == 0
+    assert parsed.remaining_days == 3
+    assert parsed.hours == 0
+    assert parsed.minutes == 0
+    assert parsed.remaining_seconds == 0
+    assert parsed.microseconds == 0
+
+    text = "P1Y2M3.5D"
+    parsed = parse_iso8601(text)
+
+    assert parsed.years == 1
+    assert parsed.months == 2
+    assert parsed.weeks == 0
+    assert parsed.remaining_days == 3
+    assert parsed.hours == 12
+    assert parsed.minutes == 0
+    assert parsed.remaining_seconds == 0
+    assert parsed.microseconds == 0
+
+    text = "P1Y2M3,5D"
+    parsed = parse_iso8601(text)
+
+    assert parsed.years == 1
+    assert parsed.months == 2
+    assert parsed.weeks == 0
+    assert parsed.remaining_days == 3
+    assert parsed.hours == 12
+    assert parsed.minutes == 0
+    assert parsed.remaining_seconds == 0
+    assert parsed.microseconds == 0
+
+    text = "PT4H54M6.5S"
+    parsed = parse_iso8601(text)
+
+    assert parsed.years == 0
+    assert parsed.months == 0
+    assert parsed.weeks == 0
+    assert parsed.remaining_days == 0
+    assert parsed.hours == 4
+    assert parsed.minutes == 54
+    assert parsed.remaining_seconds == 6
+    assert parsed.microseconds == 500000
+
+    text = "PT4H54M6,5S"
+    parsed = parse_iso8601(text)
+
+    assert parsed.years == 0
+    assert parsed.months == 0
+    assert parsed.weeks == 0
+    assert parsed.remaining_days == 0
+    assert parsed.hours == 4
+    assert parsed.minutes == 54
+    assert parsed.remaining_seconds == 6
+    assert parsed.microseconds == 500000
+
+    text = "P1Y"
+    parsed = parse_iso8601(text)
+
+    assert parsed.years == 1
+    assert parsed.months == 0
+    assert parsed.weeks == 0
+    assert parsed.remaining_days == 0
+    assert parsed.hours == 0
+    assert parsed.minutes == 0
+    assert parsed.remaining_seconds == 0
+    assert parsed.microseconds == 0
+
+    text = "P1.5Y"
+    with pytest.raises(ValueError):
+        parse_iso8601(text)
+
+    text = "P1,5Y"
+    with pytest.raises(ValueError):
+        parse_iso8601(text)
+
+    text = "P1M"
+    parsed = parse_iso8601(text)
+
+    assert parsed.years == 0
+    assert parsed.months == 1
+    assert parsed.weeks == 0
+    assert parsed.remaining_days == 0
+    assert parsed.hours == 0
+    assert parsed.minutes == 0
+    assert parsed.remaining_seconds == 0
+    assert parsed.microseconds == 0
+
+    text = "P1.5M"
+    with pytest.raises(ValueError):
+        parse_iso8601(text)
+
+    text = "P1,5M"
+    with pytest.raises(ValueError):
+        parse_iso8601(text)
+
+    text = "P1W"
+    parsed = parse_iso8601(text)
+
+    assert parsed.years == 0
+    assert parsed.months == 0
+    assert parsed.weeks == 1
+    assert parsed.remaining_days == 0
+    assert parsed.hours == 0
+    assert parsed.minutes == 0
+    assert parsed.remaining_seconds == 0
+    assert parsed.microseconds == 0
+
+    text = "P1.5W"
+    parsed = parse_iso8601(text)
+
+    assert parsed.years == 0
+    assert parsed.months == 0
+    assert parsed.weeks == 1
+    assert parsed.remaining_days == 3
+    assert parsed.hours == 12
+    assert parsed.minutes == 0
+    assert parsed.remaining_seconds == 0
+    assert parsed.microseconds == 0
+
+    text = "P1,5W"
+    parsed = parse_iso8601(text)
+
+    assert parsed.years == 0
+    assert parsed.months == 0
+    assert parsed.weeks == 1
+    assert parsed.remaining_days == 3
+    assert parsed.hours == 12
+    assert parsed.minutes == 0
+    assert parsed.remaining_seconds == 0
+    assert parsed.microseconds == 0
+
+    text = "P1D"
+    parsed = parse_iso8601(text)
+
+    assert parsed.years == 0
+    assert parsed.months == 0
+    assert parsed.weeks == 0
+    assert parsed.remaining_days == 1
+    assert parsed.hours == 0
+    assert parsed.minutes == 0
+    assert parsed.remaining_seconds == 0
+    assert parsed.microseconds == 0
+
+    text = "P1.5D"
+    parsed = parse_iso8601(text)
+
+    assert parsed.years == 0
+    assert parsed.months == 0
+    assert parsed.weeks == 0
+    assert parsed.remaining_days == 1
+    assert parsed.hours == 12
+    assert parsed.minutes == 0
+    assert parsed.remaining_seconds == 0
+    assert parsed.microseconds == 0
+
+    text = "P1,5D"
+    parsed = parse_iso8601(text)
+
+    assert parsed.years == 0
+    assert parsed.months == 0
+    assert parsed.weeks == 0
+    assert parsed.remaining_days == 1
+    assert parsed.hours == 12
+    assert parsed.minutes == 0
+    assert parsed.remaining_seconds == 0
+    assert parsed.microseconds == 0
+
+    text = "PT1H"
+    parsed = parse_iso8601(text)
+
+    assert parsed.years == 0
+    assert parsed.months == 0
+    assert parsed.weeks == 0
+    assert parsed.remaining_days == 0
+    assert parsed.hours == 1
+    assert parsed.minutes == 0
+    assert parsed.remaining_seconds == 0
+    assert parsed.microseconds == 0
+
+    text = "PT1.5H"
+    parsed = parse_iso8601(text)
+
+    assert parsed.years == 0
+    assert parsed.months == 0
+    assert parsed.weeks == 0
+    assert parsed.remaining_days == 0
+    assert parsed.hours == 1
+    assert parsed.minutes == 30
+    assert parsed.remaining_seconds == 0
+    assert parsed.microseconds == 0
+
+    text = "PT1,5H"
+    parsed = parse_iso8601(text)
+
+    assert parsed.years == 0
+    assert parsed.months == 0
+    assert parsed.weeks == 0
+    assert parsed.remaining_days == 0
+    assert parsed.hours == 1
+    assert parsed.minutes == 30
+    assert parsed.remaining_seconds == 0
+    assert parsed.microseconds == 0
+
+    # Double digit with 0
+    text = "P2Y30M4DT5H6M7S"
+    parsed = parse_iso8601(text)
+
+    assert parsed.years == 2
+    assert parsed.months == 30
+    assert parsed.weeks == 0
+    assert parsed.remaining_days == 4
+    assert parsed.hours == 5
+    assert parsed.minutes == 6
+    assert parsed.remaining_seconds == 7
+    assert parsed.microseconds == 0
+
+    # No P operator
+    with pytest.raises(ValueError):
+        parse_iso8601("2Y3M4DT5H6M7S")
+
+    # Week and other units combined
+    with pytest.raises(ValueError):
+        parse_iso8601("P1Y2W")
+
+    # Invalid units order
+    with pytest.raises(ValueError):
+        parse_iso8601("P1S")
+
+    with pytest.raises(ValueError):
+        parse_iso8601("P1D1S")
+
+    with pytest.raises(ValueError):
+        parse_iso8601("1Y2M3D1SPT1M")
+
+    with pytest.raises(ValueError):
+        parse_iso8601("P1Y2M3D2MT1S")
+
+    with pytest.raises(ValueError):
+        parse_iso8601("P2M3D1ST1Y1M")
+
+    with pytest.raises(ValueError):
+        parse_iso8601("P1Y2M2MT3D1S")
+
+    with pytest.raises(ValueError):
+        parse_iso8601("P1D1Y1M")
+
+    with pytest.raises(ValueError):
+        parse_iso8601("PT1S1H")
+
+    # Invalid
+    with pytest.raises(ValueError):
+        parse_iso8601("P1Dasdfasdf")
+
+    # Invalid fractional
+    with pytest.raises(ValueError):
+        parse_iso8601("P2Y3M4DT5.5H6M7S")