Replaced tests.yml with one designed for uv

.github/workflows/tests.yml

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 #
-# Copyright (C) 2020-2024 Graz University of Technology.
+# Copyright (C) 2025 I-Form Advanced Manufacturing Research Centre.
 #
 # invenio-theme-iform is free software; you can redistribute it and/or
 # modify it under the terms of the MIT License; see LICENSE file for more
@@ -15,14 +15,73 @@ on:
     branches: master
   schedule:
     # * is a special character in YAML so you have to quote this string
-    - cron:  '0 3 * * 6'
+    - cron: "0 3 * * 6"
   workflow_dispatch:
     inputs:
       reason:
-        description: 'Reason'
+        description: "Reason"
         required: false
-        default: 'Manual trigger'
+        default: "Manual trigger"
 
 jobs:
+  create-strategy:
+    runs-on: ubuntu-latest
+
+    outputs:
+      matrix: ${{ steps.requirements.outputs.matrix }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: requirements
+        id: requirements
+        run: |
+          # Define a simple matrix with your Python version
+          # Since we're using pyproject.toml with Python 3.12 requirement
+          echo "matrix={\"include\": [{\"python-version\": \"3.12\"}]}" >> $GITHUB_OUTPUT
+
+          # Print the matrix for debugging
+          echo "-------------------"
+          echo "Matrix: {\"include\": [{\"python-version\": \"3.12\"}]}"
+          echo "-------------------"
+
   tests:
-    uses: tu-graz-library/.github/.github/workflows/tests.yml@main
+    needs: create-strategy
+    runs-on: ubuntu-latest
+    name: Test (Python ${{matrix.python-version}})
+    strategy:
+      fail-fast: false
+      matrix: ${{ fromJson(needs.create-strategy.outputs.matrix) }}
+
+    # Simplified environment without service variables
+    env:
+      PYTHON_VERSION: ${{ matrix.python-version }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up uv
+        uses: astral-sh/setup-uv@v6
+        with:
+          python-version: "${{ matrix.python-version }}"
+          enable-cache: true
+          cache-dependency-glob: |
+            pyproject.toml
+          cache-suffix: ${{ matrix.python-version }}
+
+      - name: Show configuration
+        run: |
+          uv --version
+          uv run python --version
+          docker --version
+          docker ps
+
+      - name: Install dependencies
+        run: |
+          uv sync --group tests
+
+      - name: Run tests
+        run: |
+          uv run test