matlab.unittest.selectors.HasSuperclass class

Package: matlab.unittest.selectors

Selector for TestSuite elements determined by test class hierarchy

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Construction

matlab.unittest.selectors.HasSuperclass(n) creates a selector that filters TestSuite array elements by retaining only those elements whose test class derives from n.

Input Arguments

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Superclass name, specified as a character vector or string scalar.

Copy Semantics

Value. To learn how value classes affect copy operations, see Copying Objects.

Examples

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Create the following handle class in your current working folder.

classdef MyClass < handle
    properties
        % properties of class
    end
    methods
        % methods of class
    end
end

Create the following test class in your current working folder.

classdef Feature1_Test < matlab.unittest.TestCase
    methods (Test)
        function testA1(testCase)
            % test code
        end
        function testB1(testCase)
            % test code
        end
    end
end

Create the following test class in your current working folder. This test class subclasses MyClass.

classdef Feature2_Test < matlab.unittest.TestCase & MyClass
    methods (Test)
        function testA2(testCase)
            % test code
        end
        function testB2(testCase)
            % test code
        end
    end
end

Create a test suite from all the files in your current working folder. Depending on what files are in your folder, your test suite might differ.

import matlab.unittest.TestSuite;
suite = TestSuite.fromFolder(pwd)
suite = 

  1×4 Test array with properties:

    Name
    ProcedureName
    TestClass
    BaseFolder
    Parameterization
    SharedTestFixtures
    Tags

Tests Include:
   0 Parameterizations, 0 Shared Test Fixture Classes, 0 Tags.

View the names of the test elements in the suite.

{suite.Name}'
ans =

  4×1 cell array

    {'Feature1_Test/testA1'}
    {'Feature1_Test/testB1'}
    {'Feature2_Test/testA2'}
    {'Feature2_Test/testB2'}

Create another test suite that contains only the suite elements that have MyClass in the class hierarchy. View the test element names. Since the test class Feature2_Test is the only test class to subclass MyClass, only test elements from that class are included in the suite.

newSuite = suite.selectIf(HasSuperclass('MyClass'));
{newSuite.Name}'
ans =

  2×1 cell array

    {'Feature2_Test/testA2'}
    {'Feature2_Test/testB2'}

Alternatively, use the testsuite function to create the filtered suite directly.

newSuite = testsuite(pwd,'Superclass','MyClass');

See Also

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Introduced in R2018a

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