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# THIS FILE IS PART OF THE CYLC WORKFLOW ENGINE.
# Copyright (C) NIWA & British Crown (Met Office) & Contributors.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""Test Cylc recurring date/time syntax parsing."""
import pytest
from cylc.flow.time_parser import (
CylcTimeParser,
UTC_UTC_OFFSET_HOURS_MINUTES,
)
@pytest.fixture
def parsers():
_start_point = "19991226T0930Z"
# Note: the following timezone will be Z-ified *after* truncation
# or offsets are applied.
_end_point = "20010506T1200+0200"
return {
0: CylcTimeParser(
_start_point, _end_point,
CylcTimeParser.initiate_parsers(
assumed_time_zone=UTC_UTC_OFFSET_HOURS_MINUTES
)
),
2: CylcTimeParser(
_start_point, _end_point,
CylcTimeParser.initiate_parsers(
num_expanded_year_digits=2,
assumed_time_zone=UTC_UTC_OFFSET_HOURS_MINUTES
)
)
}
@pytest.mark.parametrize(
'expression, num_expanded_year_digits, ctrl_data, ctrl_results',
[
(
"R5/T06/04T1230-0300",
0,
"R5/19991227T0600Z/20010604T1530Z",
["19991227T0600Z", "20010604T1530Z",
"20021112T0100Z", "20040420T1030Z",
"20050927T2000Z"]
),
(
"R2/-0450000101T04Z/+0020630405T2200-05",
2,
"R2/-0450000101T0400Z/+0020630406T0300Z",
["-0450000101T0400Z", "+0020630406T0300Z"]
),
(
"R10/T12+P10D/-P1Y",
0,
"R10/20000105T1200Z/20000506T1000Z",
["20000105T1200Z", "20000506T1000Z",
"20000905T0800Z", "20010105T0600Z",
"20010507T0400Z", "20010906T0200Z",
"20020106T0000Z", "20020507T2200Z",
"20020906T2000Z", "20030106T1800Z"]
)
]
)
def test_first_recurrence_format(
expression, num_expanded_year_digits, ctrl_data, ctrl_results,
parsers
):
"""Test the first ISO 8601 recurrence format."""
parser = parsers[num_expanded_year_digits]
recurrence = parser.parse_recurrence(expression)[0]
test_data = str(recurrence)
assert test_data == ctrl_data
test_results = [str(res) for res in recurrence]
assert test_results == ctrl_results
def test_third_recurrence_format(parsers):
"""Test the third ISO 8601 recurrence format."""
tests = [("T06", "R/19991227T0600Z/P1D"),
("T1230", "R/19991226T1230Z/P1D"),
("04T00", "R/20000104T0000Z/P1M"),
("01T06/PT2H", "R/20000101T0600Z/PT2H"),
("0501T/P4Y3M", "R/20000501T0000Z/P4Y3M"),
("P1YT5H", "R/19991226T0930Z/P1YT5H",
["19991226T0930Z", "20001226T1430Z"]),
("PT5M", "R/19991226T0930Z/PT5M"),
("R/T-40", "R/19991226T0940Z/PT1H"),
("R/150401T", "R/20150401T0000Z/P100Y"),
("R5/T04-0300", "R5/19991227T0700Z/P1D"),
("R2/T23Z/", "R2/19991226T2300Z/P1D"),
("R/19991226T2359Z/P1W", "R/19991226T2359Z/P1W"),
("R/-P1W/P1W", "R/19991219T0930Z/P1W"),
("R/+P1D/P1Y", "R/19991227T0930Z/P1Y"),
("R/T06-P1D/PT1H", "R/19991226T0600Z/PT1H"),
("R/T12/PT10,5H", "R/19991226T1200Z/PT10,5H"),
("R/T12/PT10.5H", "R/19991226T1200Z/PT10,5H"),
("R5/+P10Y5M4D/PT2H", "R5/20100529T0930Z/PT2H"),
("R30/-P200D/P10D", "R30/19990609T0930Z/P10D"),
("R10/T06/PT2H", "R10/19991227T0600Z/PT2H",
["19991227T0600Z", "19991227T0800Z", "19991227T1000Z",
"19991227T1200Z", "19991227T1400Z", "19991227T1600Z",
"19991227T1800Z", "19991227T2000Z", "19991227T2200Z",
"19991228T0000Z"]),
("R//P1Y", "R/19991226T0930Z/P1Y",
["19991226T0930Z", "20001226T0930Z"]),
("R5//P1D", "R5/19991226T0930Z/P1D",
["19991226T0930Z", "19991227T0930Z",
"19991228T0930Z", "19991229T0930Z",
"19991230T0930Z"]),
("R1", "R1/19991226T0930Z/P0Y",
["19991226T0930Z"])]
for test in tests:
if len(test) == 2:
expression, ctrl_data = test
ctrl_results = None
else:
expression, ctrl_data, ctrl_results = test
recurrence = (parsers[0].parse_recurrence(expression))[0]
test_data = str(recurrence)
assert test_data == ctrl_data
if ctrl_results is None:
continue
test_results = []
for i, test_result in enumerate(recurrence):
if i > len(ctrl_results) - 1:
break
assert str(test_result) == ctrl_results[i]
test_results.append(str(test_result))
assert test_results == ctrl_results
def test_fourth_recurrence_format(parsers):
"""Test the fourth ISO 8601 recurrence format."""
tests = [("PT6H/20000101T0500Z", "R25/19991226T0500Z/PT6H"),
("P12D/+P2W", "R44/19991221T1000Z/P12D"),
("R2/P1W/-P1M1D", "R2/P1W/20010405T1000Z"),
("R3/P6D/T12+02", "R3/P6D/20010506T1000Z"),
("R4/P6DT12H/01T00+02", "R4/P6DT12H/20010531T2200Z"),
("R5/P1D/20010506T1200+0200", "R5/P1D/20010506T1000Z"),
("R6/PT5M/+PT2M", "R6/PT5M/20010506T1002Z"),
("R7/P20Y/-P20Y", "R7/P20Y/19810506T1000Z"),
("R8/P3YT2H/T18-02", "R8/P3YT2H/20010506T2000Z"),
("R9/PT3H/31T", "R9/PT3H/20010531T0000Z"),
("R10/P1Y/", "R10/P1Y/20010506T1000Z"),
("R3/P2Y/02T", "R3/P2Y/20010602T0000Z"),
("R/P2Y", "R2/19990506T1000Z/P2Y"),
("R48/PT2H", "R48/PT2H/20010506T1000Z"),
("R100/P21Y/", "R100/P21Y/20010506T1000Z")]
for test in tests:
if len(test) == 2:
expression, ctrl_data = test
ctrl_results = None
else:
expression, ctrl_data, ctrl_results = test
recurrence = (parsers[0].parse_recurrence(
expression))[0]
test_data = str(recurrence)
assert test_data == ctrl_data
if ctrl_results is None:
continue
test_results = []
for i, test_result in enumerate(recurrence):
assert str(test_result) == ctrl_results[i]
test_results.append(str(test_result))
assert test_results == ctrl_results
def test_inter_cycle_timepoints(parsers):
"""Test the inter-cycle point parsing."""
task_cycle_time = parsers[0].parse_timepoint("20000101T00Z")
tests = [("T06", "20000101T0600Z", 0),
("-PT6H", "19991231T1800Z", 0),
("+P5Y2M", "20050301T0000Z", 0),
("0229T", "20000229T0000Z", 0),
("+P54D", "20000224T0000Z", 0),
("T12+P5W", "20000205T1200Z", 0),
("-P1Y", "19990101T0000Z", 0),
("-9999990101T00Z", "-9999990101T0000Z", 2),
("20050601T2359+0200", "20050601T2159Z", 0)]
for expression, ctrl_data, num_expanded_year_digits in tests:
parser = parsers[num_expanded_year_digits]
test_data = str(parser.parse_timepoint(
expression,
context_point=task_cycle_time))
assert test_data == ctrl_data
def test_interval(parsers):
"""Test the interval timepoint parsing (purposefully weak tests)."""
tests = ["PT6H2M", "PT6H", "P2Y5D",
"P5W", "PT12M2S", "PT65S",
"PT2M", "P1YT567,4M"]
for expression in tests:
test_data = str(parsers[0].parse_interval(expression))
assert test_data == expression
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