# Matlab Unit test for structure input. How to use same test for n numbers.

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Sudhakar Shinde am 4 Nov. 2020
Kommentiert: Sudhakar Shinde am 5 Nov. 2020
1. I have a matlab unit test class. Here i am using setup method to form structure i.e. 'testCase.out' this structure have n values here n=4.
2. Test method is used to verify equality of values.
classdef ClassTest < matlab.unittest.TestCase
properties (Access = private)
out
end
methods (TestClassSetup)
function FirstSetup(testCase)
n=4;
for i=1:n
testCase.out(i).name= ['Test_', num2str(i)];
testCase.out(i).value = i;
end
end
end
methods (Test)
function MyTest(testCase)
for k=1:length(testCase.out)
Test = testCase.out(k).name;
testCase.verifyEqual(testCase.out(k).value,2);
end
end
end
end
Now to run this test:
import matlab.unittest.TestSuite
suite = TestSuite.fromClass(?ClassTest);
result = run(suite);
The result is failed as k=1,3 and 4 is not equal values. Only k=2 value is equal.
Question:
How could we create a test such that for value 2 the test will pass and for other test will fail. So i want result table i.e. Test1 = fail, Test2=Pass, Test3=fail and Test4 = fail.
how could we use above same test and get result table for n numbers with pass fail status?
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### Akzeptierte Antwort

Bharathi Sunkara am 5 Nov. 2020
Hi Sudhakar,
As per my understanding, you can make use of the “TestParameter” property available in MATLAB in order to create the structure of values and use the structure in the verifyEqual, summary of the test is displayed in the table at the end of the test result.
Here is how you can do:
classdef ClassTest < matlab.unittest.TestCase
properties (Access = private)
out
end
properties (TestParameter)
testValue={1,2,3,4}
end
methods (Test)
function MyTest(testCase, testValue)
testCase.verifyEqual(testValue,2);
end
end
end
Hope this Helps!
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Sudhakar Shinde am 5 Nov. 2020
Thanks Bharathi. I understood the way of using TestParameter property. But i am expecting the structure formation should happen in setup method and then i can use this structure to pass in test method.
parameterized test works good if we form a structure using TestParameter property.
How can we form structure in setup method and then i can use parameterized test to verifyEqual.?

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### Weitere Antworten (1)

Steven Lord am 4 Nov. 2020
It sounds like you want to create a parameterized test.
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Sudhakar Shinde am 5 Nov. 2020

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