classdef RemoveFolderFromPathFixture < matlab.unittest.fixtures.Fixture
    properties (SetAccess = immutable)
        Folder (1,1) string
    end
    methods
        function fixture = RemoveFolderFromPathFixture(folder)
            fixture.Folder = folder;
        end
        function setup(fixture)
            import matlab.unittest.fixtures.SuppressedWarningsFixture
            
            % Delegate to SuppressedWarningsFixture to suppress display of warnings.
            fixture.applyFixture(SuppressedWarningsFixture('MATLAB:rmpath:DirNotFound'));
            
            % Remove the folder from the path.
            originalPath = path;
            fixture.addTeardown(@()path(originalPath));
            rmpath(fixture.Folder);
        end
    end
    methods (Access = protected)
        function bool = isCompatible(fixture1,fixture2)
            bool = fixture1.Folder == fixture2.Folder;
        end
    end
end

classdef TemporaryTextFileFixture < matlab.unittest.fixtures.Fixture
    properties (SetAccess = private)
        File
    end   
    methods
        function setup(fixture)
            import matlab.unittest.fixtures.TemporaryFolderFixture
            
            % Delegate to TemporaryFolderFixture to create a temporary folder.
            tempFixture = fixture.applyFixture(TemporaryFolderFixture);
            
            fixture.File = fullfile(tempFixture.Folder,'file.txt');
            
            fid = fopen(fixture.File,'wt');
            fixture.fatalAssertNotEqual(fid,-1);
            
            status = fclose(fid);
            fixture.fatalAssertEqual(status,0);
        end
    end
end