diff testing/utp_1.1/utps/ao/utp_ao_getdof.m @ 44:409a22968d5e default

Add unit tests
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Tue, 06 Dec 2011 18:42:11 +0100
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/testing/utp_1.1/utps/ao/utp_ao_getdof.m	Tue Dec 06 18:42:11 2011 +0100
@@ -0,0 +1,261 @@
+% UTP_AO_GETDOF a set of UTPs for the ao/getdof method
+%
+% M Hewitson 06-08-08
+%
+% $Id: utp_ao_getdof.m,v 1.3 2011/07/14 05:32:11 mauro Exp $
+%
+
+% <MethodDescription>
+%
+% The getdof method of the ao class computes the degrees of freedom for spectral estimate.
+%
+% </MethodDescription>
+
+function results = utp_ao_getdof(varargin)
+  
+  % Check the inputs
+  if nargin == 0
+    
+    addpath(fullfile(fileparts(which(mfilename)), 'reference_files'))
+    
+    % Some keywords
+    class   = 'ao';
+    mthd    = 'getdof';
+    
+    results = [];
+    disp('******************************************************');
+    disp(['****  Running UTPs for ' class '/' mthd]);
+    disp('******************************************************');
+    
+    % Exception list for the UTPs:
+    [ple1,ple2,ple3,ple4,ple5,ple6] = get_test_ples();
+    
+    % reference dofs
+    rdof = [32;34;38;44;52;59;62;63;63;63];
+    
+    % reference ao for dof test
+    plrefdata = plist('fs', 1, 'nsecs', 1024, ...
+           'tsfcn',  'randn(size(t))');
+    refdata = ao(plrefdata);
+    
+    % reference overlap for dof test
+    rolap = (0:10:90);
+    
+    
+    % Run the tests
+    results = [results utp_01];    % getInfo call
+    results = [results utp_06];    % Test history is working
+    results = [results utp_07];    % Test against reference data
+
+    
+    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>
+    
+    % <SyntaxCode>
+    try
+      % 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
+      stest = true;
+    catch err
+      disp(err.message)
+      stest = false;
+    end
+    % </SyntaxCode>
+    
+    % <AlgoDescription>
+    %
+    % 1) Check that getInfo call returned an minfo object in all cases.
+    % 2) Check that all plists have the correct parameters.
+    %
+    % </AlgoDescription>
+    
+    % <AlgoCode>
+    atest = true;
+    if stest
+      % 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
+        %%%%%%%%%%   Default PList
+        if io(3).plists.nparams ~= 4, atest = false; end
+        % Check key
+        if ~io(3).plists.isparam('method'), atest = false; end
+        if ~io(3).plists.isparam('DataLength'), atest = false; end
+        if ~io(3).plists.isparam('conf'), atest = false; end
+        if ~io(3).plists.isparam('dof'), atest = false; end
+        % Check default value
+        if ~isequal(io(3).plists.find('method'), 'psd'), atest = false; end
+        if ~isequal(io(3).plists.find('DataLength'), paramValue.EMPTY_DOUBLE), atest = false; end
+        if ~isequal(io(3).plists.find('conf'), 95), atest = false; end
+        if ~isequal(io(3).plists.find('dof'), paramValue.EMPTY_DOUBLE), atest = false; end
+        % Check options
+        if ~isequal(io(3).plists.getOptionsForParam('method'), {'psd','lpsd','mscohere','mslcohere'}), atest = false; end
+        if ~isequal(io(3).plists.getOptionsForParam('DataLength'), {paramValue.EMPTY_DOUBLE}), atest = false; end
+        if ~isequal(io(3).plists.getOptionsForParam('conf'), {95}), atest = false; end
+        if ~isequal(io(3).plists.getOptionsForParam('dof'), {paramValue.EMPTY_DOUBLE}), atest = false; end
+      end
+    else
+      atest = false;
+    end
+    % </AlgoCode>
+    
+    % Return a result structure
+    result = utp_prepare_result(atest, stest, dbstack, mfilename);
+  end % END UTP_01
+  
+  %% UTP_06
+  
+  % <TestDescription>
+  %
+  % Tests that the getdof method properly applies history.
+  %
+  % </TestDescription>
+  function result = utp_06
+    
+    % <SyntaxDescription>
+    %
+    % Test that the result of applying the getdof method can be processed back
+    % to an m-file.
+    %
+    % </SyntaxDescription>
+    
+    % <SyntaxCode>
+    try
+      plsp = plist('order',1,'navs',1);
+      rsp = psd(refdata,plsp);
+      pldof = plist('method','psd','DataLength',numel(refdata.y));
+      out  = getdof(rsp,pldof);
+      mout = rebuild(out);
+      stest = true;
+    catch err
+      disp(err.message)
+      stest = false;
+    end
+    % </SyntaxCode>
+    
+    % <AlgoDescription>
+    %
+    % 1) Check that the last entry in the history of 'out' corresponds to
+    %    'getdof'.
+    % 2) Check that the re-built object is the same object as 'out'.
+    %
+    % </AlgoDescription>
+    
+    % <AlgoCode>
+    atest = true;
+    if stest
+      % Check the last step in the history of 'out'
+      if ~strcmp(out.hist.methodInfo.mname, 'getdof'), atest = false; end
+      % Check the re-built object
+      if ~eq(mout, out, ple2), atest = false; end
+    else
+      atest = false;
+    end
+    % </AlgoCode>
+    
+    % Return a result structure
+    result = utp_prepare_result(atest, stest, dbstack, mfilename);
+  end % END UTP_06
+  
+  %% UTP_07
+  
+  % <TestDescription>
+  %
+  % Tests that the getdof method provides correct values for spectra
+  % degrees of freedom.
+  % Rreference on D B Percival and A T Walden, Spectral Analysis for
+  % Physical Applications, pg. 293
+  %
+  % </TestDescription>
+  function result = utp_07
+    
+    % <SyntaxDescription>
+    %
+    % Test that the applying psd works on a single AO.
+    %
+    % </SyntaxDescription>
+    
+    % <SyntaxCode>
+    try
+      dofs = zeros(numel(rolap),1);
+      for jj=1:numel(rolap)
+        plsp = plist('win','Hanning','order',1,'nfft',64,'olap',rolap(jj));
+        axx = psd(refdata,plsp);
+
+        df = getdof(axx,plist('method','psd','DataLength',numel(refdata.y)));
+        dofs(jj) = df.y;
+      end
+      
+      stest = true;
+    catch err
+      disp(err.message)
+      stest = false;
+    end
+    % </SyntaxCode>
+    
+    % <AlgoDescription>
+    %
+    % 1) Check that output agrees with the reference values.
+    %
+    % </AlgoDescription>
+    
+    % <AlgoCode>
+    atest = true;
+    TOL = eps;
+    
+    if stest
+      if ~isequal(dofs, rdof) || any((abs(dofs - rdof) ./ rdof) >= TOL)
+        atest = false;
+      end
+    else
+      atest = false;
+    end
+    % </AlgoCode>
+    
+    % Return a result structure
+    result = utp_prepare_result(atest, stest, dbstack, mfilename);
+  end % END UTP_07
+  
+  
+  
+  
+end