classdef ExamplePlugin < matlab.unittest.plugins.TestRunnerPlugin

    properties (SetAccess = private)
        TestMethodAssumptionFailureData = {};
    end

    methods (Access = protected)
        function testCase = createTestMethodInstance(plugin, pluginData)
            testCase = createTestMethodInstance@...
                matlab.unittest.plugins.TestRunnerPlugin(plugin, pluginData);

            instanceName = pluginData.Name;
            testCase.addlistener('AssumptionFailed', @(~,evd) ...
                plugin.captureMethodLevelAssumptionFailureData(evd,instanceName))
        end
    end

    methods (Access = private)
        function captureMethodLevelAssumptionFailureData(...
                plugin, eventData, instanceName)
            plugin.TestMethodAssumptionFailureData{end+1} = struct(...
                'InstanceName', instanceName, ...
                'ActualValue'     , eventData.ActualValue, ...
                'Constraint'      , eventData.Constraint, ...
                'Stack'           , eventData.Stack);
        end
    end

end