throw error when neurosy th map does not have a neurosynth name

Author: Remi-Gau

src/roi/renameNeuroSynth.m

@@ -1,6 +1,6 @@
 function outputImage = renameNeuroSynth(inputImage)
   %
-  % give a neurosynth map a name that is more bids friendly
+  % rename a neurosynth map a name that is more bids friendly
   %
   % USAGE::
   %
@@ -18,18 +18,29 @@
   %
   % (C) Copyright 2021 CPP ROI developers
 
-  p.filename = spm_file(inputImage, 'filename');
+  basename = spm_file(inputImage, 'basename');
+  match = regexp(basename, '.*_((association)|(uniformity))-test_z_FDR_0\.01.*', 'match');
+  if isempty(match)
+    err = struct('identifier', 'renameNeuroSynth:nonValidNeurosynthZmap', ...
+                 'message', sprintf(['Not a valid neurosynth Z map name.\n'...
+                                     'Must be a of the shape: ".*_((association)|(uniformity))-test_z_FDR_0\\.01.*"']));
+    error(err);
+  end
+
   p.suffix = 'probseg';
+
   p.ext = '.nii';
   if strcmp(spm_file(inputImage, 'ext'), 'gz')
     p.ext = [p.ext '.gz'];
   end
+
   % TODO: find the actual MNI space neurosynth images are in
   p.entities.space = 'MNI';
 
-  basename = spm_file(inputImage, 'basename');
   parts = strsplit(basename, '_');
+
   p.entities.atlas = 'neurosynth';
+
   p.entities.label = bids.internal.camel_case(parts{1});
 
   bidsFile = bids.File(p);

tests/test_unit_renameNeuroSynth.m

@@ -8,6 +8,18 @@
   initTestSuite;
 end
 
+function test_renameNeuroSynth_error()
+
+  inputImage = fullfile(pwd, 'hMT.nii.gz');
+  system(['touch ' inputImage]);
+
+  assertExceptionThrown(@()renameNeuroSynth(inputImage), ...
+                        'renameNeuroSynth:nonValidNeurosynthZmap');
+
+  delete(inputImage);
+
+end
+
 function test_renameNeuroSynth()
 
   inputImage = fullfile(pwd, 'motion_association-test_z_FDR_0.01.nii.gz');