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classdef tfeathermex < matlab.unittest.TestCase
% Tests for MATLAB featherreadmex and featherwritemex.
% 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.
methods(TestClassSetup)
function addFeatherFunctionsToMATLABPath(testCase)
import matlab.unittest.fixtures.PathFixture
% Add Feather test utilities to the MATLAB path.
testCase.applyFixture(PathFixture('util'));
% Add featherread and featherwrite to the MATLAB path.
testCase.applyFixture(PathFixture(fullfile('..', 'src')));
% featherreadmex must be on the MATLAB path.
testCase.assertTrue(~isempty(which('featherreadmex')), ...
'''featherreadmex'' must be on the MATLAB path. Use ''addpath'' to add folders to the MATLAB path.');
% featherwritemex must be on the MATLAB path.
testCase.assertTrue(~isempty(which('featherwritemex')), ...
'''featherwritemex'' must be on to the MATLAB path. Use ''addpath'' to add folders to the MATLAB path.');
end
end
methods(TestMethodSetup)
function setupTempWorkingDirectory(testCase)
import matlab.unittest.fixtures.WorkingFolderFixture;
testCase.applyFixture(WorkingFolderFixture);
end
end
methods(Test)
function NumericDatatypesNulls(testCase)
filename = fullfile(pwd, 'temp.feather');
[expectedVariables, expectedMetadata] = createVariablesAndMetadataStructs();
[actualVariables, ~] = featherMEXRoundTrip(filename, expectedVariables, expectedMetadata);
testCase.verifyEqual([actualVariables.Valid], [expectedVariables.Valid]);
end
function InvalidMATLABTableVariableNames(testCase)
filename = fullfile(pwd, 'temp.feather');
% Create a table with an invalid MATLAB table variable name.
invalidVariable = mlarrow.util.createVariableStruct('double', 1, true, '@');
validVariable = mlarrow.util.createVariableStruct('double', 1, true, 'Valid');
variables = [invalidVariable, validVariable];
metadata = mlarrow.util.createMetadataStruct(1, 2);
featherwritemex(filename, variables, metadata);
t = featherread(filename);
testCase.verifyEqual(t.Properties.VariableNames{1}, 'x_');
testCase.verifyEqual(t.Properties.VariableNames{2}, 'Valid');
testCase.verifyEqual(t.Properties.VariableDescriptions{1}, 'Original variable name: ''@''');
testCase.verifyEqual(t.Properties.VariableDescriptions{2}, '');
end
end
end
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