ceph/src/arrow/matlab/test/tfeathermex.m

   1 classdef tfeathermex < matlab.unittest.TestCase
   2     % Tests for MATLAB featherreadmex and featherwritemex.
   3
   4     % Licensed to the Apache Software Foundation (ASF) under one or more
   5     % contributor license agreements.  See the NOTICE file distributed with
   6     % this work for additional information regarding copyright ownership.
   7     % The ASF licenses this file to you under the Apache License, Version
   8     % 2.0 (the "License"); you may not use this file except in compliance
   9     % with the License.  You may obtain a copy of the License at
  10     %
  11     %   http://www.apache.org/licenses/LICENSE-2.0
  12     %
  13     % Unless required by applicable law or agreed to in writing, software
  14     % distributed under the License is distributed on an "AS IS" BASIS,
  15     % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
  16     % implied.  See the License for the specific language governing
  17     % permissions and limitations under the License.
  18
  19     methods(TestClassSetup)
  20
  21         function addFeatherFunctionsToMATLABPath(testCase)
  22             import matlab.unittest.fixtures.PathFixture
  23             % Add Feather test utilities to the MATLAB path.
  24             testCase.applyFixture(PathFixture('util'));
  25             % Add featherread and featherwrite to the MATLAB path.
  26             testCase.applyFixture(PathFixture(fullfile('..', 'src')));
  27             % featherreadmex must be on the MATLAB path.
  28             testCase.assertTrue(~isempty(which('featherreadmex')), ...
  29                 '''featherreadmex'' must be on the MATLAB path. Use ''addpath'' to add folders to the MATLAB path.');
  30             % featherwritemex must be on the MATLAB path.
  31             testCase.assertTrue(~isempty(which('featherwritemex')), ...
  32                 '''featherwritemex'' must be on to the MATLAB path. Use ''addpath'' to add folders to the MATLAB path.');
  33         end
  34
  35     end
  36
  37     methods(TestMethodSetup)
  38
  39         function setupTempWorkingDirectory(testCase)
  40             import matlab.unittest.fixtures.WorkingFolderFixture;
  41             testCase.applyFixture(WorkingFolderFixture);
  42         end
  43
  44     end
  45
  46     methods(Test)
  47
  48         function NumericDatatypesNulls(testCase)
  49             filename = fullfile(pwd, 'temp.feather');
  50
  51             [expectedVariables, expectedMetadata] = createVariablesAndMetadataStructs();
  52             [actualVariables, ~] = featherMEXRoundTrip(filename, expectedVariables, expectedMetadata);
  53             testCase.verifyEqual([actualVariables.Valid], [expectedVariables.Valid]);
  54         end
  55
  56         function InvalidMATLABTableVariableNames(testCase)
  57             filename = fullfile(pwd, 'temp.feather');
  58
  59             % Create a table with an invalid MATLAB table variable name.
  60             invalidVariable = mlarrow.util.createVariableStruct('double', 1, true, '@');
  61             validVariable = mlarrow.util.createVariableStruct('double', 1, true, 'Valid');
  62             variables = [invalidVariable, validVariable];
  63             metadata = mlarrow.util.createMetadataStruct(1, 2);
  64             featherwritemex(filename, variables, metadata);
  65             t = featherread(filename);
  66
  67             testCase.verifyEqual(t.Properties.VariableNames{1}, 'x_');
  68             testCase.verifyEqual(t.Properties.VariableNames{2}, 'Valid');
  69
  70             testCase.verifyEqual(t.Properties.VariableDescriptions{1}, 'Original variable name: ''@''');
  71             testCase.verifyEqual(t.Properties.VariableDescriptions{2}, '');
  72         end
  73
  74     end
  75
  76 end