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%TDATETIMEVALIDATOR Unit tests for
%arrow.array.internal.list.DatetimeValidator
% Licensed to the Apache Software Foundation (ASF) under one or more
% contributor license agreements. See the NOTICE file distributed with
% this work for additional information regarding copyright ownership.
% The ASF licenses this file to you under the Apache License, Version
% 2.0 (the "License"); you may not use this file except in compliance
% with the License. You may obtain a copy of the License at
%
% http://www.apache.org/licenses/LICENSE-2.0
%
% Unless required by applicable law or agreed to in writing, software
% distributed under the License is distributed on an "AS IS" BASIS,
% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
% implied. See the License for the specific language governing
% permissions and limitations under the License.
classdef tDatetimeValidator < matlab.unittest.TestCase
methods (Test)
function Smoke(testCase)
import arrow.array.internal.list.DatetimeValidator
validator = DatetimeValidator(datetime(2023, 10, 31));
testCase.verifyInstanceOf(validator, "arrow.array.internal.list.DatetimeValidator");
end
function ClassNameGetter(testCase)
% Verify the ClassName getter returns the expected scalar
% string.
import arrow.array.internal.list.DatetimeValidator
validator = DatetimeValidator(datetime(2023, 10, 31));
testCase.verifyEqual(validator.ClassName, "datetime");
end
function ClassNameNoSetter(testCase)
% Verify ClassName property is not settable.
import arrow.array.internal.list.DatetimeValidator
validator = DatetimeValidator(datetime(2023, 10, 31));
fcn = @() setfield(validator, "ClassName", "duration");
testCase.verifyError(fcn, "MATLAB:class:SetProhibited");
end
function ZonedGetter(testCase)
% Verify the Zoned getter returns the expected scalar
% logical.
import arrow.array.internal.list.DatetimeValidator
validator = DatetimeValidator(datetime(2023, 10, 31));
testCase.verifyEqual(validator.Zoned, false);
validator = DatetimeValidator(datetime(2023, 10, 31, TimeZone="UTC"));
testCase.verifyEqual(validator.Zoned, true);
end
function ZonedNoSetter(testCase)
% Verify Zoned property is not settable.
import arrow.array.internal.list.DatetimeValidator
validator = DatetimeValidator(datetime(2023, 10, 31));
fcn = @() setfield(validator, "Zoned", true);
testCase.verifyError(fcn, "MATLAB:class:SetProhibited");
validator = DatetimeValidator(datetime(2023, 10, 31, TimeZone="UTC"));
fcn = @() setfield(validator, "Zoned", false);
testCase.verifyError(fcn, "MATLAB:class:SetProhibited");
end
function ValidateElementNoThrow(testCase) %#ok<MANU>
% Verify validateElement does not throw an exception if:
% 1. the input element is a datetime
% 2. its TimeZone property is '' and Zoned = false
% 3. its TimeZone property is not empty and Zoned = true
import arrow.array.internal.list.DatetimeValidator
validator = DatetimeValidator(datetime(2023, 10, 31));
validator.validateElement(datetime(2023, 11, 1));
validator.validateElement(datetime(2023, 11, 1) + days(0:2));
validator.validateElement(datetime(2023, 11, 1) + days(0:2)');
validator.validateElement(datetime.empty(0, 1));
validator = DatetimeValidator(datetime(2023, 10, 31, TimeZone="UTC"));
validator.validateElement(datetime(2023, 11, 1, TimeZone="UTC"));
validator.validateElement(datetime(2023, 11, 1, TimeZone="America/New_York") + days(0:2));
validator.validateElement(datetime(2023, 11, 1, TimeZone="Pacific/Fiji") + days(0:2)');
emptyDatetime = datetime.empty(0, 1);
emptyDatetime.TimeZone = "Asia/Dubai";
validator.validateElement(emptyDatetime);
end
function ValidateElementExpectedZonedDatetimeError(testCase)
% Verify validateElement throws an exception whose identifier
% is "arrow:array:list:ExpectedZonedDatetime" if the input
% datetime is unzoned, but the validator expected all
% datetimes to zoned.
import arrow.array.internal.list.DatetimeValidator
% validator will expect all elements to be zoned datetimes
% because the input datetime is zoned.
validator = DatetimeValidator(datetime(2023, 10, 31, TimeZone="UTC"));
errorID = "arrow:array:list:ExpectedZonedDatetime";
fcn = @() validator.validateElement(datetime(2023, 11, 1));
testCase.verifyError(fcn, errorID);
end
function ValidateElementExpectedUnzonedDatetimeError(testCase)
% Verify validateElement throws an exception whose identifier
% is "arrow:array:list:ExpectedUnzonedDatetime" if the input
% datetime has a time zone, but the validator expected all
% datetimes to be unzoned.
import arrow.array.internal.list.DatetimeValidator
% validator will expect all elements to be unzoned datetimes
% because the input datetime is not zoned.
validator = DatetimeValidator(datetime(2023, 10, 31));
errorID = "arrow:array:list:ExpectedUnzonedDatetime";
fcn = @() validator.validateElement(datetime(2023, 11, 1, TimeZone="America/New_York"));
testCase.verifyError(fcn, errorID);
end
function ValidateElementClassTypeMismatchError(testCase)
% Verify validateElement throws an exception whose identifier
% is "arrow:array:list:ClassTypeMismatch" if the input
% element is not a datetime.
import arrow.array.internal.list.DatetimeValidator
validator = DatetimeValidator(datetime(2023, 10, 31));
errorID = "arrow:array:list:ClassTypeMismatch";
fcn = @() validator.validateElement(1);
testCase.verifyError(fcn, errorID);
fcn = @() validator.validateElement("A");
testCase.verifyError(fcn, errorID);
fcn = @() validator.validateElement(seconds(1));
testCase.verifyError(fcn, errorID);
end
function GetElementLength(testCase)
% Verify getElementLength returns the expected length values
% for the given input arrays.
import arrow.array.internal.list.DatetimeValidator
validator = DatetimeValidator(datetime(2023, 10, 31));
length = validator.getElementLength(datetime.empty(0, 1));
testCase.verifyEqual(length, 0);
length = validator.getElementLength(datetime(2023, 11, 1));
testCase.verifyEqual(length, 1);
length = validator.getElementLength(datetime(2023, 11, 1) + days(0:2));
testCase.verifyEqual(length, 3);
length = validator.getElementLength(datetime(2023, 11, 1) + days([0 1; 2 3]));
testCase.verifyEqual(length, 4);
end
function ReshapeCellElements(testCase)
% Verify reshapeCellElements reshapes all elements in the input
% cell array into column vectors.
import arrow.array.internal.list.DatetimeValidator
validator = DatetimeValidator(datetime(2023, 10, 31));
date = datetime(2023, 10, 31);
C = {date + days(0:2), ...
date + days(3:4)', ...
date + days([5 6; 7 8]), ...
datetime.empty(1, 0)};
act = validator.reshapeCellElements(C);
exp = {date + days(0:2)', ...
date + days(3:4)', ...
date + days([5; 7; 6; 8]), ...
datetime.empty(0, 1)};
testCase.verifyEqual(act, exp);
end
end
end
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