% UTP_RATIONAL_SAVE a set of UTPs for the rational/save method
%
% M Hewitson 06-08-08
%
% $Id: utp_rational_save.m,v 1.5 2010/08/31 09:43:48 hewitson Exp $
%

% <MethodDescription>
%
% The save method of the rational class saves a rational object to disk. Save
% stores the variables in a MATLAB formatted file (MAT-file) named
% filename.mat or in a XML fromat named filename.xml
%
% </MethodDescription>

function results = utp_rational_save(varargin)

  % Check the inputs
  if nargin == 0

    % Some keywords
    class   = 'rational';
    mthd    = 'save';

    results = [];
    disp('******************************************************');
    disp(['****  Running UTPs for ' class '/' mthd]);
    disp('******************************************************');

    % Test RATIONAL objects
    [ra1,ra2,ra3,rav,ram] = get_test_objects_rational;

    % Exception list for the UTPs:
    [ple1,ple2,ple3,ple4,ple5,ple6] = get_test_ples();

    % Run the tests
    results = [results utp_01];    % getInfo call
    results = [results utp_02];    % Vector input
    results = [results utp_03];    % Matrix input
    results = [results utp_04];    % List input
    results = [results utp_05];    % Test with mixed input
    results = [results utp_06];    % Test history is working
    results = [results utp_07];    % Test the modify call works
    results = [results utp_08];    % Test plist contains the filename
    results = [results utp_09];    % Test with different complex RATIONAL objects

    disp('Done.');
    disp('******************************************************');

  elseif nargin == 1 % Check for UTP functions
    if strcmp(varargin{1}, 'isutp')
      results = 1;
    else
      results = 0;
    end
  else
    error('### Incorrect inputs')
  end

  %% UTP_01

  % <TestDescription>
  %
  % Tests that the getInfo call works for this method.
  %
  % </TestDescription>
  function result = utp_01


    % <SyntaxDescription>
    %
    % Test that the getInfo call works for no sets, all sets, and each set
    % individually.
    %
    % </SyntaxDescription>

    try
      % <SyntaxCode>
      % Call for no sets
      io(1) = eval([class '.getInfo(''' mthd ''', ''None'')']);
      % Call for all sets
      io(2) = eval([class '.getInfo(''' mthd ''')']);
      % Call for each set
      for kk=1:numel(io(2).sets)
        io(kk+2) = eval([class '.getInfo(''' mthd ''', ''' io(2).sets{kk} ''')']);
      end
      % </SyntaxCode>
      stest = true;
    catch err
      disp(err.message)
      stest = false;
    end

    % <AlgoDescription>
    %
    % 1) Check that getInfo call returned an minfo object in all cases.
    % 2) Check that all plists have the correct parameters.
    %
    % </AlgoDescription>

    atest = true;
    if stest
      % <AlgoCode>
      % check we have minfo objects
      if isa(io, 'minfo')
        %%% SET 'None'
        if ~isempty(io(1).sets), atest = false; end
        if ~isempty(io(1).plists), atest = false; end
        %%% Check all Sets
        if ~any(strcmpi(io(2).sets, 'Default')), atest = false; end
        if numel(io(2).plists) ~= numel(io(2).sets), atest = false; end
        %%%%%%%%%%   SET 'Default'
        if io(3).plists.nparams ~= 4, atest = false; end
        % Check key
        if ~io(3).plists.isparam('filename'), atest = false; end
        if ~io(3).plists.isparam('prefix'), atest = false; end
        if ~io(3).plists.isparam('postfix'), atest = false; end
        if ~io(3).plists.isparam('individual files'), atest = false; end
        % Check default value
        if ~isequal(io(3).plists.find('filename'), ''), atest = false; end
        if ~isequal(io(3).plists.find('prefix'), ''), atest = false; end
        if ~isequal(io(3).plists.find('postfix'), ''), atest = false; end
        if ~isequal(io(3).plists.find('individual files'), false), atest = false; end
        % Check options
        if ~isequal(io(3).plists.getOptionsForParam('filename'), {[]}), atest = false; end
      end
      % </AlgoCode>
    else
      atest = false;
    end

    % Return a result structure
    result = utp_prepare_result(atest, stest, dbstack, mfilename);
  end % END UTP_01

  %% UTP_02

  % <TestDescription>
  %
  % Tests that the save method works with a vector of RATIONAL objects as input.
  %
  % </TestDescription>
  function result = utp_02

    % <SyntaxDescription>
    %
    % Test that the save method works for a vector of RATIONAL objects as input.
    % Test both formats 'xml' and 'mat'.
    %
    % </SyntaxDescription>

    try
      % <SyntaxCode>
      save(rav, 'test.xml');
      save(rav, 'test.mat');
      out1 = rational('test.xml');
      out2 = rational('test.mat');
      % </SyntaxCode>
      stest = true;
    catch err
      disp(err.message)
      stest = false;
    end

    % <AlgoDescription>
    %
    % 1) Check that the number of elements in 'out1' and 'out2' are the
    %    same as in 'rav'
    % 2) Check that the loaded objects are the same as the saved objects.
    % 3) The outputs 'out1' and 'out2' must be the same.
    %
    % </AlgoDescription>

    atest = true;
    if stest
      % <AlgoCode>
      % Check we have the correct number of outputs
      if ~isequal(size(out1), size(rav)), atest = false; end
      if ~isequal(size(out2), size(rav)), atest = false; end
      % Check each output against the input
      for kk=1:numel(out1)
        if ~eq(rav(kk), out1(kk), ple1), atest = false; end
        if ~eq(rav(kk), out2(kk), ple1), atest = false; end
      end
      % Compare the outputs
      if ~eq(out1, out2, ple2), atest = false; end
      % </AlgoCode>
      delete('test.xml');
      delete('test.mat');
    else
      atest = false;
    end

    % Return a result structure
    result = utp_prepare_result(atest, stest, dbstack, mfilename);
  end % END UTP_02

  %% UTP_03

  % <TestDescription>
  %
  % Tests that the save method works with a matrix of RATIONAL objects as
  % input.
  %
  % </TestDescription>
  function result = utp_03

    % <SyntaxDescription>
    %
    % Test that the save method works for a matrix of RATIONAL objects as
    % input. Test both formats 'xml' and 'mat'.
    %
    % </SyntaxDescription>

    try
      % <SyntaxCode>
      save(ram, 'test.xml');
      save(ram, 'test.mat');
      out1 = rational('test.xml');
      out2 = rational('test.mat');
      % </SyntaxCode>
      stest = true;
    catch err
      disp(err.message)
      stest = false;
    end

    % <AlgoDescription>
    %
    % 1) Check that the number of elements in 'out1' and 'out2' are the
    %    same as in 'ram'
    % 2) Check that the loaded objects are the same as the saved objects.
    % 3) The outputs 'out1' and 'out2' must be the same.
    %
    % </AlgoDescription>

    atest = true;
    if stest
      % <AlgoCode>
      % Check we have the correct number of outputs
      if ~isequal(size(out1), size(ram)), atest = false; end
      if ~isequal(size(out2), size(ram)), atest = false; end
      % Check each output against the input
      for kk=1:numel(out1)
        if ~eq(ram(kk), out1(kk), ple1), atest = false; end
        if ~eq(ram(kk), out2(kk), ple1), atest = false; end
      end
      % Compare the outputs
      if ~eq(out1, out2, ple2), atest = false; end
      % </AlgoCode>
      delete('test.xml');
      delete('test.mat');
    else
      atest = false;
    end

    % Return a result structure
    result = utp_prepare_result(atest, stest, dbstack, mfilename);
  end % END UTP_03

  %% UTP_04

  % <TestDescription>
  %
  % Tests that the save method works with a list of RATIONAL objects as input.
  %
  % </TestDescription>
  function result = utp_04

    % <SyntaxDescription>
    %
    % Test that the save method works for a list of RATIONAL objects as input.
    % Test both formats 'xml' and 'mat'.
    %
    % </SyntaxDescription>

    try
      % <SyntaxCode>
      save(ra1, ra2, ra3, 'test.xml');
      save(ra1, ra2, ra3, 'test.mat');
      out1 = rational('test.xml');
      out2 = rational('test.mat');
      % </SyntaxCode>
      stest = true;
    catch err
      disp(err.message)
      stest = false;
    end

    % <AlgoDescription>
    %
    % 1) Check that the number of elements in 'out1' and 'out2' are the
    %    same as in the list
    % 2) Check that the loaded objects are the same as the saved objects.
    % 3) The outputs 'out1' and 'out2' must be the same.
    %
    % </AlgoDescription>

    atest = true;
    rain  = [ra1, ra2, ra3];
    if stest
      % <AlgoCode>
      % Check we have the correct number of outputs
      if numel(out1) ~= 3, atest = false; end
      if numel(out2) ~= 3, atest = false; end
      % Check each output against the input
      for kk=1:numel(out1)
        if ~eq(rain(kk), out1(kk), ple1), atest = false; end
        if ~eq(rain(kk), out2(kk), ple1), atest = false; end
      end
      % Compare the outputs
      if ~eq(out1, out2, ple2), atest = false; end
      % </AlgoCode>
      delete('test.xml');
      delete('test.mat');
    else
      atest = false;
    end

    % Return a result structure
    result = utp_prepare_result(atest, stest, dbstack, mfilename);
  end % END UTP_04

  %% UTP_05

  % <TestDescription>
  %
  % Tests that the save method works with a mix of different shaped RATIONAL
  % objects as input.
  %
  % </TestDescription>
  function result = utp_05

    % <SyntaxDescription>
    %
    % Test that the save method works with an input of matrices and vectors
    % and single RATIONAL objects. Test both formats 'xml' and 'mat'.
    %
    % </SyntaxDescription>

    try
      % <SyntaxCode>
      save(ra1,rav,ra2, 'test.xml');
      save(ra1,rav,ra2, 'test.mat');
      out1 = rational('test.xml');
      out2 = rational('test.mat');
      % </SyntaxCode>
      stest = true;
    catch err
      disp(err.message)
      stest = false;
    end

    % <AlgoDescription>
    %
    % 1) Check that the number of elements in 'out' is the same as in
    %    input.
    % 2) Check that each output RATIONAL object contains the correct data.
    %
    % </AlgoDescription>

    atest = true;
    rain  = [ra1, reshape(rav, 1, []), ra2];
    if stest
      % <AlgoCode>
      % Check we have the correct number of outputs
      if numel(out1) ~= 2+numel(rav), atest = false; end
      if numel(out2) ~= 2+numel(rav), atest = false; end
      % Check each output against the input
      for kk=1:numel(out1)
        if ~eq(rain(kk), out1(kk), ple1), atest = false; end
        if ~eq(rain(kk), out2(kk), ple1), atest = false; end
      end
      % Compare the outputs
      if ~eq(out1, out2, ple2), atest = false; end
      % </AlgoCode>
      delete('test.xml');
      delete('test.mat');
    else
      atest = false;
    end

    % Return a result structure
    result = utp_prepare_result(atest, stest, dbstack, mfilename);
  end % END UTP_05

  %% UTP_06

  % <TestDescription>
  %
  % Tests that the save method properly applies history.
  %
  % </TestDescription>
  function result = utp_06

    % <SyntaxDescription>
    %
    % Test that the result of applying the save method can be processed back
    % to an m-file. Do this for both extensions 'mat' and 'xml'
    %
    % </SyntaxDescription>

    try
      % <SyntaxCode>
      out1 = save(ra3,  'test.xml');
      out2 = save(ra2, 'test.mat');
      mout1 = rebuild(out1);
      mout2 = rebuild(out2);
      % </SyntaxCode>
      stest = true;
    catch err
      disp(err.message)
      stest = false;
    end

    % <AlgoDescription>
    %
    % 1) Check that the history applies to the output object. Check that
    %    save doesn't add a history step to the input object.
    % 2) Check that the read object doesn't contain the save + load history steps.
    % 3) Check that the method rebuild produces the same object as 'out'.
    %
    % </AlgoDescription>

    atest = true;
    if stest
      % <AlgoCode>
      % The last history step is the save method
      if strcmp(out1.hist.methodInfo.mname, 'save'), atest = false; end
      if strcmp(out2.hist.methodInfo.mname, 'save'), atest = false; end
      if ~eq(out1.hist, ra3.hist),  atest = false; end
      if ~eq(out2.hist, ra2.hist), atest = false; end
      % check the history steps of the read object (load + save)
      % The steps (save + load) shouldn't add history
      outr1 = rational('test.xml');
      outr2 = rational('test.mat');
      if strcmp(outr1.hist, ra3.hist), atest = false; end
      if strcmp(outr2.hist, ra2.hist), atest = false; end
      % Check the rebuilt object
      if ~eq(mout1, out1, ple2), atest = false; end
      if ~eq(mout2, out2, ple2), atest = false; end
      % </AlgoCode>
      % delete test file
      delete('test.xml')
      delete('test.mat')
    else
      atest = false;
    end

    % Return a result structure
    result = utp_prepare_result(atest, stest, dbstack, mfilename);
  end % END UTP_06

  %% UTP_07

  % <TestDescription>
  %
  % Tests that the save method works with the modify command.
  %
  % </TestDescription>
  function result = utp_07

    % <SyntaxDescription>
    %
    % Use the save method with the modifier command.
    %
    % </SyntaxDescription>

    try
      % <SyntaxCode>
      % copy ra1 to work with
      iir_mat = rational(ra1);
      iir_mat.save('test.mat');
      iir_xml = rational(ra1);
      iir_xml.save('test.xml');
      out1 = rational('test.mat');
      out2 = rational('test.xml');
      % </SyntaxCode>
      stest = true;
    catch err
      disp(err.message)
      stest = false;
    end

    % <AlgoDescription>
    %
    % 1) Check that the save method doesn't apply the history.
    % 2) Check the output against the input.
    %
    % </AlgoDescription>

    atest = true;
    if stest
      % <AlgoCode>
      % Check that the modified object have the 'save' method as the last
      % history step
      if strcmp(iir_xml.hist.methodInfo.mname, 'save'), atest = false; end
      if strcmp(iir_mat.hist.methodInfo.mname, 'save'), atest = false; end
      % Check the output without the history
      if ~eq(iir_mat, out1, ple1), atest = false; end
      if ~eq(iir_xml, out2, ple1), atest = false; end
      % Compare the outputs
      if ~eq(out1, out2, ple2), atest = false; end
      % </AlgoCode>
      delete('test.xml');
      delete('test.mat');
    else
      atest = false;
    end

    % Return a result structure
    result = utp_prepare_result(atest, stest, dbstack, mfilename);
  end % END UTP_07

  %% UTP_08

  % <TestDescription>
  %
  % Control the method with a plist.
  %
  % </TestDescription>
  function result = utp_08

    % <SyntaxDescription>
    %
    % Test that the save method uses the filename which is stored in a plist.
    %
    % </SyntaxDescription>

    try
      % <SyntaxCode>
      pl1 = plist('filename', 'test.mat');
      pl2 = plist('filename', 'test.xml');
      save(ra3, pl1);
      save(ra3, pl2);
      out1 = rational('test.mat');
      out2 = rational('test.xml');
      % </SyntaxCode>
      stest = true;
    catch err
      disp(err.message)
      stest = false;
    end

    % <AlgoDescription>
    %
    % 1) Check the output
    %
    % </AlgoDescription>

    atest = true;
    if stest
      % <AlgoCode>
      % Check the output
      if ~eq(ra3, out1, ple1), atest = false; end
      if ~eq(ra3, out2, ple1), atest = false; end
      % Compare the outputs
      if ~eq(out1, out2, ple2), atest = false; end
      % </AlgoCode>
      delete('test.xml');
      delete('test.mat');
    else
      atest = false;
    end

    % Return a result structure
    result = utp_prepare_result(atest, stest, dbstack, mfilename);
  end % END UTP_08

  %% UTP_09

  % <TestDescription>
  %
  % Test the save method with different complex RATIONAL objects
  %
  % </TestDescription>
  function result = utp_09

    % <SyntaxDescription>
    %
    % Test the save method with different complex RATIONAL objects
    %
    % </SyntaxDescription>

    try
      % <SyntaxCode>
      pzm = pzmodel(1, [pz(1,1), pz(1+3i), pz(10)], [{[2 1],1, 5-2i}, 4, {3+3i}]);
      p   = parfrac([1 2+1i 2-1i], [6 1+3i 1-3i], [1 2 3 4], 'my par frac', unit('V'), unit('Hz'));
      r1  = rational(pzm);
      r2  = rational(p);
      r3  = rational([1 2+1i 2-1i], [6 1+3i 1-3i]);

      save(r1, 'test_r1.mat'); % highpass
      save(r1, 'test_r1.xml'); % highpass
      save(r2, 'test_r2.mat'); % lowpass
      save(r2, 'test_r2.xml'); % lowpass
      save(r3, 'test_r3.mat'); % bandpass
      save(r3, 'test_r3.xml'); % bandpass
      out1 = rational('test_r1.mat');
      out2 = rational('test_r1.xml');
      out3 = rational('test_r2.mat');
      out4 = rational('test_r2.xml');
      out5 = rational('test_r3.mat');
      out6 = rational('test_r3.xml');
      % </SyntaxCode>
      stest = true;
    catch err
      disp(err.message)
      stest = false;
    end

    % <AlgoDescription>
    %
    % 1) Check the output
    %
    % </AlgoDescription>

    atest = true;
    if stest
      % <AlgoCode>
      % Check highpass
      if ~eq(r1, out1, ple1), atest = false; end
      if ~eq(r1, out2, ple1), atest = false; end
      if ~eq(r2, out3, ple1), atest = false; end
      if ~eq(r2, out4, ple1), atest = false; end
      if ~eq(r3, out5, ple1), atest = false; end
      if ~eq(r3, out6, ple1), atest = false; end
      % Compare the outputs
      if ~eq(out1, out2, ple2), atest = false; end
      if ~eq(out3, out4, ple2), atest = false; end
      if ~eq(out5, out6, ple2), atest = false; end
      % </AlgoCode>
      delete('test_r1.mat');
      delete('test_r1.xml');
      delete('test_r2.mat');
      delete('test_r2.xml');
      delete('test_r3.mat');
      delete('test_r3.xml');
    else
      atest = false;
    end

    % Return a result structure
    result = utp_prepare_result(atest, stest, dbstack, mfilename);
  end % END UTP_09

end