Properly implement workflow_call procedure

.github/workflows/CI.yaml

@@ -14,47 +14,13 @@ on:
 
 
 jobs:
-  set_up_tests:
-    runs-on: ubuntu-latest
-    steps:
-      # Steps common to both groups
-    - uses: actions/checkout@v4
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v5
-      with:
-        python-version: ${{ matrix.python-version }}
-    - name: Install dependencies
-      run: |
-        python -m pip install -r requirements.txt
-        python -m pip install -r tests/requirements.txt
-    - name: Install package
-      run: |
-        python --version
-        python -c "import parsnip; print('parsnip', parsnip.__version__)"
-        python -m pip install . -v --progress-bar off
-    - name: Test with pytest
-      run: |
-        python -m pytest -v
-
   modern_python_tests:
-    needs: set_up_tests
     runs-on: ubuntu-latest
     strategy:
+      fail-fast: true
       matrix:
         python-version: [3.9, 3.10, 3.11, 3.12]
-    steps:
-    - name: Echo success
-      run: |
-        echo "Successfully ran tests for ${{ matrix.python-version }}"
-
-
-  legacy_python_tests:
-    needs: set_up_tests
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        python-version: [3.6, 3.7, 3.8]
-    steps:
-    - name: Echo success
-      run: |
-        echo "Successfully ran tests for ${{ matrix.python-version }}"
+    # Pull in the test script from run_tests and distribute python from matrix versions
+    uses: ./.github/workflows/run_tests.yaml
+    with:
+      python-version: ${{ matrix.python-version }}

.github/workflows/run_tests.yaml

@@ -0,0 +1,31 @@
+name: Run tests
+
+on:
+  workflow_call:
+    inputs:
+      python-version:
+        required: true
+        type: string
+
+jobs:
+  run_test:
+    runs-on: ubuntu-latest
+    steps:
+      # Steps common to both groups
+    - uses: actions/checkout@v4
+    - name: Set up Python ${{ inputs.python-version }}
+      uses: actions/setup-python@v5
+      with:
+        python-version: ${{ inputs.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install -r requirements.txt
+        python -m pip install -r tests/requirements.txt
+    - name: Install package
+      run: |
+        python --version
+        python -m pip install . -v --progress-bar off
+        python -c "import parsnip; print('parsnip', parsnip.__version__)"
+    - name: Test with pytest
+      run: |
+        python -m pytest -v