ci: add workflow to test action and support local pacta install option

Author: akhundMurad

.github/workflows/test-action.yml

@@ -0,0 +1,28 @@
+name: Test Pacta Composite Action
+
+on:
+  pull_request:
+    branches: [main]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pull-requests: write
+  issues: write
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Check jq
+        run: jq --version
+
+      - name: Run action (default inputs)
+        uses: ./
+        with:
+          model: architecture.yml
+          rules: rules.pacta.yml
+          fail-on-violations: "false"
+          pacta-version: "local"

action.yml

@@ -26,7 +26,7 @@ inputs:
     required: false
     default: 'true'
   pacta-version:
-    description: 'Pacta version to install (default: latest)'
+    description: 'Pacta version to install (PyPI spec, default: pacta)'
     required: false
     default: 'pacta'
 
@@ -39,7 +39,12 @@ runs:
 
     - name: Install Pacta
       shell: bash
-      run: pip install ${{ inputs.pacta-version }}
+      run: |
+        if [ "${{ inputs.pacta-version }}" = "local" ]; then
+          pip install .
+        else
+          pip install "${{ inputs.pacta-version }}"
+        fi
 
     - name: Run Architecture Check
       id: pacta