Actions: Use windows findings to inform unix matlab/python setup

Author: simmsa

.github/workflows/unix_unit_tests.yml

@@ -97,24 +97,48 @@ jobs:
         with:
           release: ${{ matrix.matlab-version }}
 
-      # OutOfProcess is required to properly call netcdf/hdf5 and works reliably on macos and ubuntu
-      - name: Configure MATLAB Python Environment
+      # Generate run.m using Python to match Windows workflow approach
+      # Using InProcess mode for cache_population job
+      - name: Generate run.m
         shell: bash -l {0}
         run: |
           conda activate mhkit_conda_env
-          printf 'pyenv(Version="%s", ExecutionMode="OutOfProcess")\n' $(python -c "import sys; print(sys.executable)") > run.m
-
-      - name: Add MATLAB test commands
-        shell: bash
-        run: echo "version,
-          addpath(genpath('mhkit')),
-          import matlab.unittest.TestSuite,
-          import matlab.unittest.TestRunner,
-          testFolder = ['mhkit' filesep 'tests'],
-          suite = TestSuite.fromFolder(testFolder),
-          runner = TestRunner.withTextOutput,
-          results = runner.run(suite),
-          assertSuccess(results)" >> run.m
+          python -c "
+          import sys
+
+          python_exe = sys.executable
+
+          content = f'''pyenv(Version='{python_exe}', ExecutionMode='InProcess')
+          % Verify Python environment
+          pe = pyenv;
+          disp(pe);
+          % Warm up numpy - must call function to force resolution
+          py.importlib.import_module('numpy');
+          dummy = py.numpy.array([1,2,3]);
+          disp(class(dummy));
+          clear dummy;
+          disp('py.numpy.array: resolved');
+          % Warm up mhkit submodules - force resolution by calling functions
+          py.importlib.import_module('mhkit');
+          py.importlib.import_module('mhkit.wave.io.ndbc');
+          py.importlib.import_module('mhkit.wave.io.swan');
+          py.importlib.import_module('mhkit.river.resource');
+          disp('mhkit submodules: imported');
+          version
+          pyenv
+          addpath(genpath('mhkit'))
+          import matlab.unittest.TestSuite
+          import matlab.unittest.TestRunner
+          testFolder = ['mhkit' filesep 'tests'];
+          suite = TestSuite.fromFolder(testFolder);
+          runner = TestRunner.withTextOutput;
+          results = runner.run(suite);
+          assertSuccess(results)
+          '''
+
+          with open('run.m', 'w', encoding='utf-8', newline='\\n') as f:
+              f.write(content)
+          "
 
       - name: Output run.m
         shell: bash