Additional changes to Pytest-based tests and CI workflow

.github/workflows/testing.yml

@@ -0,0 +1,56 @@
+name: Test PyClaw
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+env:
+  CLAW: ${{ github.workspace }}
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Set up Python 3.10
+      uses: actions/setup-python@v5
+      with:
+        python-version: "3.10"
+    - name: Install dependencies
+      run: |
+        sudo apt-get update
+        sudo apt-get install gfortran
+
+        python -m pip install --upgrade pip
+        pip install 'numpy<2.0'
+        pip install matplotlib #Some imports require matplotlib
+        pip install scipy #To not skip tests
+        pip install flake8 meson-python ninja pytest
+        # if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+
+    - name: Checkout Clawpack
+      uses: actions/[email protected]
+      with:
+        repository: clawpack/clawpack
+        submodules: true
+
+    - name: Checkout PyClaw branch
+      uses: actions/[email protected]
+      with:
+        path: pyclaw
+
+    - name: Install clawpack
+      run: |
+        cd ${CLAW}
+        pip install --no-build-isolation --editable .
+
+    - name: Test with pytest
+      run: |
+        cd ${CLAW}/pyclaw
+        pytest --ignore=development

examples/euler_gravity_3d/test_eulerg3d.py

@@ -9,15 +9,12 @@ class TestEulerGravity3D:
 
     def test_rising_hot_sphere(self):
         _ = importorskip("scipy") # skip test if scipy is not installed
-        #Compile source
-        command = ["make", "all"]
-        subprocess.call(command,cwd=thisdir)
 
         # Read expected solution
         expected_density = np.loadtxt(os.path.join(thisdir,'verify_rising_hot_sphere_classic_1.txt'))
 
         #Run test
-        import rising_hot_sphere
+        from . import rising_hot_sphere
         claw = rising_hot_sphere.euler3d(kernel_language='Fortran',solver_type='classic', 
                                          disable_output=True,mx=80, my=80, mz=80, tfinal=1.0, num_output_times=1)
         claw.run()

examples/shallow_2d/test_shallow2d.py

@@ -30,7 +30,7 @@ def test_radialdambreak(self):
             for riemann_solver in riemann_solvers:
                 test_name = f'radialdambreak_{solver_type}_{riemann_solver}'
                 assert error(test_name=test_name, solver_type=solver_type,
-                            riemann_solver=riemann_solver, disable_output=True)<1e-6, f"Test {test_name} failed"
+                            riemann_solver=riemann_solver, disable_output=True)<1e-5, f"Test {test_name} failed"
 
     def test_sill(self):
         assert error(test_name="sill", outdir=None)<1e-6, f"Test sill failed"