CI: now fails fast, added new workflow for 1st-order acoustic tests

Author: EdCaunt

.github/workflows/pytest_1st_order.yml

@@ -0,0 +1,37 @@
+# Testing for 1st-order acoustic wave equation
+
+name: CI-1st-Order
+
+# Trigger on push or pull request
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      # Stop all builds in the event of a single failure
+      fail-fast: true
+
+      matrix:
+        python-version: [3.8, 3.7, 3.6]
+        os: [ubuntu-latest, macos-latest]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python ${{matrix.python-version}}
+      uses: actions/setup-python@v1
+      with:
+        python-version: ${{matrix.python-version}}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r requirements_1st_order.txt
+    - name: Test using Pytest
+      run: |
+        python -m pytest tests/test_gathers_1st_order.py

.github/workflows/pytest_core.yml

@@ -15,8 +15,8 @@ jobs:
   build:
     runs-on: ${{ matrix.os }}
     strategy:
-      # Prevent all builds stopping in the event of a single failure
-      fail-fast: false
+      # Stop all builds in the event of a single failure
+      fail-fast: true
 
       matrix:
         python-version: [3.8, 3.7, 3.6]
@@ -34,4 +34,4 @@ jobs:
         pip install -r requirements.txt
     - name: Test using Pytest
       run: |
-        python -m pytest tests/
+        python -m pytest --ignore=tests/test_gathers_1st_order.py tests/

requirements_1st_order.txt

@@ -0,0 +1,8 @@
+# Requirements for 1st-order acoustic examples and tests
+# Specific devito branch with bugfix required currently
+git+git://github.com/devitocodes/devito@small_custom_coefficients_fix
+pandas
+matplotlib
+vtk
+pyvista
+scikit-image