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% 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 tField < matlab.unittest.TestCase
% Test class for arrow.type.Field and arrow.field.
methods(Test)
function TestBasic(testCase)
name = "A";
type = arrow.uint64;
field = arrow.field(name, type);
testCase.verifyEqual(field.Name, name);
testCase.verifyEqual(field.Type.ID, type.ID);
end
function TestSupportedTypes(testCase)
name = "name";
supportedTypes = { ...
arrow.uint8, ...
arrow.uint16, ...
arrow.uint32, ...
arrow.uint64, ...
arrow.int8, ...
arrow.int16, ...
arrow.int32, ...
arrow.int64, ...
arrow.boolean, ...
arrow.float32, ...
arrow.float64, ...
arrow.string, ...
arrow.timestamp, ...
arrow.list(arrow.uint64()), ...
arrow.struct(arrow.field("A", arrow.float32()))
};
for ii = 1:numel(supportedTypes)
supportedType = supportedTypes{ii};
field = arrow.field(name, supportedType);
testCase.verifyEqual(field.Name, name);
testCase.verifyEqual(field.Type.ID, supportedType.ID);
end
end
function TestNameUnicode(testCase)
smiley = "😀";
tree = "🌲";
mango = "ðŸ¥";
type = arrow.uint64;
field = arrow.field(smiley, type);
testCase.verifyEqual(field.Name, smiley);
testCase.verifyEqual(field.Type.ID, type.ID);
field = arrow.field(tree, type);
testCase.verifyEqual(field.Name, tree);
testCase.verifyEqual(field.Type.ID, type.ID);
field = arrow.field(mango, type);
testCase.verifyEqual(field.Name, mango);
testCase.verifyEqual(field.Type.ID, type.ID);
end
function TestErrorIfNameStringMissing(testCase)
name = string(missing);
type = arrow.uint64;
testCase.verifyError(@() arrow.field(name, type), "MATLAB:validators:mustBeNonmissing");
end
function TestNameEmptyString(testCase)
name = "";
type = arrow.uint64;
field = arrow.field(name, type);
testCase.verifyEqual(field.Name, name);
testCase.verifyEqual(field.Type.ID, type.ID);
end
function TestNameCharVector(testCase)
name = 'ABC';
type = arrow.uint64;
field = arrow.field(name, type);
testCase.verifyEqual(field.Name, string(name));
testCase.verifyEqual(field.Type.ID, type.ID);
end
function TestNameNumber(testCase)
name = 123;
type = arrow.uint64;
field = arrow.field(name, type);
testCase.verifyEqual(field.Name, string(123));
testCase.verifyEqual(field.Type.ID, type.ID);
end
function TestArrowTypeUnsupportedInput(testCase)
name = "A";
type = { 123 };
testCase.verifyError(@() arrow.field(name, type), "MATLAB:validation:UnableToConvert");
end
function TestNameUnsupportedInput(testCase)
name = table();
type = arrow.uint64;
testCase.verifyError(@() arrow.field(name, type), "MATLAB:validation:UnableToConvert");
end
function TestImmutableProperties(testCase)
name = "A";
type = arrow.uint64;
field = arrow.field(name, type);
testCase.verifyError(@() setfield(field, "Name", "NewValue"), "MATLAB:class:noSetMethod")
testCase.verifyError(@() setfield(field, "Type", arrow.boolean), "MATLAB:class:noSetMethod")
end
function TestIsEqualScalarTrue(testCase)
% Two scalar arrow.type.Field objects are equal if:
%
% 1. Their Name properties are equal
% 2. Their Type properties are equal
f1 = arrow.field("A", arrow.timestamp(TimeZone="America/New_York", TimeUnit="Second"));
f2 = arrow.field("A", arrow.timestamp(TimeZone="America/New_York", TimeUnit="Second"));
testCase.verifyTrue(isequal(f1, f2));
end
function TestIsEqualScalarFalse(testCase)
% Verifies isequal returns false when expected.
f1 = arrow.field("A", arrow.timestamp(TimeZone="America/New_York", TimeUnit="Second"));
f2 = arrow.field("B", arrow.timestamp(TimeZone="America/New_York", TimeUnit="Second"));
f3 = arrow.field("A", arrow.timestamp(TimeZone="America/New_York", TimeUnit="Millisecond"));
f4 = arrow.field("A", arrow.time32());
% Name properties are not equal
testCase.verifyFalse(isequal(f1, f2));
% Type properties are not equal
testCase.verifyFalse(isequal(f1, f3));
% Type properties have different class types
testCase.verifyFalse(isequal(f1, f4));
% Compare arrow.type.Field and a string
testCase.verifyFalse(isequal(f1, "A"));
end
function TestIsEqualNonScalarTrue(testCase)
% Two nonscalar arrow.type.Field arrays are equal if:
% 1. They have the same shape
% 2. Their corresponding Field elements are equal
f1 = arrow.field("A", arrow.timestamp(TimeZone="America/New_York", TimeUnit="Second"));
f2 = arrow.field("B", arrow.string());
fieldArray1 = [f1 f2 f1; f2 f1 f1];
fieldArray2 = [f1 f2 f1; f2 f1 f1];
testCase.verifyTrue(isequal(fieldArray1, fieldArray2));
testCase.verifyTrue(isequal(fieldArray1, fieldArray2, fieldArray1));
end
function TestIsEqualEmptyFields(testCase)
% Verify isequal returns the expected value when at least one
% of the inputs is empty.
f1 = arrow.type.Field.empty(1, 0);
f2 = arrow.type.Field.empty(0, 1);
f3 = arrow.type.Field.empty(0, 0);
f4 = arrow.field("B", arrow.string());
% Compare two 1x0 Field arrays
testCase.verifyTrue(isequal(f1, f1));
% Compare two 0x1 Field arrays
testCase.verifyTrue(isequal(f2, f2));
% Compare two 0x0 Field arrays
testCase.verifyTrue(isequal(f3, f3));
% Compare 1x0 and 0x1 Field arrays
testCase.verifyFalse(isequal(f1, f2));
% Compare 1x0 and 0x0 Field arrays
testCase.verifyFalse(isequal(f1, f3));
% Compare 0x1 and 0x0 Field arrays
testCase.verifyFalse(isequal(f2, f3));
% Compare 1x0 and 1x1 Field arrays
testCase.verifyFalse(isequal(f1, f4));
end
function TestIsEqualNonScalarFalse(testCase)
% Verifies isequal returns false when expected for non-scalar
% Field arrays.
f1 = arrow.field("A", arrow.timestamp(TimeZone="America/New_York", TimeUnit="Second"));
f2 = arrow.field("B", arrow.string());
f3 = arrow.field("B", arrow.date32());
f4 = arrow.field("C", arrow.timestamp(TimeZone="America/New_York", TimeUnit="Second"));
fieldArray1 = [f1 f2 f3; f4 f1 f2];
fieldArray2 = reshape(fieldArray1, [3 2]);
fieldArray3 = [f1 f3 f3; f4 f1 f2];
fieldArray4 = [f4 f2 f3; f4 f1 f2];
% They have different shapes
testCase.verifyFalse(isequal(fieldArray1, fieldArray2));
testCase.verifyFalse(isequal(fieldArray1, fieldArray2, fieldArray1));
% Their corresponding elements are not equal - type mismatch
testCase.verifyFalse(isequal(fieldArray1, fieldArray3));
% Their corresponding elements are not equal - name mismatch
testCase.verifyFalse(isequal(fieldArray1, fieldArray4));
% Compare arrow.type.Field array and a string array
testCase.verifyFalse(isequal(f1, strings(size(f1))));
end
function TestDisplay(testCase)
% Verify the display of Field objects.
%
% Example:
%
% Field with properties:
%
% Name: FieldA
% Type: [1x2 arrow.type.Int32Type]
import arrow.internal.test.display.verify
import arrow.internal.test.display.makeLinkString
import arrow.internal.test.display.makeDimensionString
field = arrow.field("B", arrow.timestamp(TimeZone="America/Anchorage")); %#ok<NASGU>
classnameLink = makeLinkString(FullClassName="arrow.type.Field", ClassName="Field", BoldFont=true);
header = " " + classnameLink + " with properties:" + newline;
body = strjust(pad(["Name:"; "Type:"]));
dimensionString = makeDimensionString([1 1]);
fieldString = compose("[%s %s]", dimensionString, "arrow.type.TimestampType");
body = body + " " + ["""B"""; fieldString];
body = " " + body;
footer = string(newline);
expectedDisplay = char(strjoin([header body' footer], newline));
actualDisplay = evalc('disp(field)');
verify(testCase, actualDisplay, expectedDisplay);
end
end
end
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