How to address default UI components of a function in automated unit test?

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SamForMat
SamForMat 2024-11-22，7:37
评论： Oliver Jaehrig 2024-11-22，15:36
I have a legacy function which uses different default ui components like uigetfile, listdlg and inputdlg. It looks like the following function.
function y = doSomething(x1)
%% UIGETFILE
[nameFilex2,pathFilex2] = uigetfile('*.*');
x2 = readvars(fullfile(pathFilex2,nameFilex2));
%% LISTDLG
list = {'2','3','4'};
indx = listdlg('ListString',list);
x3 = str2double(list{indx});
%% INPUTDLG
x4 = inputdlg('Give a single digit number');
x4 = str2double(x4);
y = 10000*x1 + 1000*x2 + 100*x3 + 10*x4;
end
I want to create automated unit test cases without manual intervention. I could not find resources that specifies how to use unit testing framework for this type of cases. I found something similar here, but not quite the same.
Create a test case with uitest class using uigetfile and uiputfile
Can you please help?
  1 个评论
Oliver Jaehrig
Oliver Jaehrig 2024-11-22，15:36
The link you shared also has a link to:
https://www.mathworks.com/help/matlab/matlab_prog/write-tests-that-use-app-testing-and-mocking-frameworks.html
which is in my opinion the way to write tests for such interactive features.
In general you can create a mock for these features and the test uses this instead of opening the windows.
The simplest solution without using such a framework would be to simply overload the functions and provide outputs so your code does not hang in the lines which open the UI features.

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