Change test-suite CI workflow to run against multiple Nextcloud versions.

Author: Potherca

.github/workflows/ci.yml

@@ -10,8 +10,11 @@ on:
   push:
     branches:
       - main
+      - ci/multiple-nc-versions  # @TODO: Remove this before merging to main
   pull_request:
     branches: [ main ]
+  # Allow manually triggering the workflow.
+  workflow_dispatch:
 
 # Cancels all previous workflow runs for the same branch that have not yet completed.
 concurrency:
@@ -20,15 +23,24 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  # @TODO: Instead of building the docker image here, take a pre-build image and mount the code
-  #        (only build when the Dockerfile changes)
+  # @TODO: Instead of building the docker image here, take a pre-build image and mount the code?
+  #        (only build when the Dockerfile changes) Or only push when tagged/main?
   build-docker-nextcloud:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        nextcloud_version:
+          - 22
+          - 23
+          - 24
+          - 25
+          - latest
+
     steps:
       - name: Create docker tag from git reference
         # A tag name may only contain lower- and uppercase letters, digits, underscores, periods and dashes.
         run: |
-          echo "TAG=$(echo -n "${{ github.ref_name }}" \
+          echo "TAG=$(echo -n "${{ github.ref_name }}-${{ matrix.nextcloud_version }}" \
             | tr --complement --squeeze-repeats '[:alnum:]._-' '_')" \
             >> "${GITHUB_ENV}"
 
@@ -46,35 +58,47 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Build Solid-Nextcloud Docker image
+      - name: Build Solid-Nextcloud Docker image from NC-${{ matrix.nextcloud_version }}
         run: |
           docker build \
             --tag "solid-nextcloud:${{ env.TAG }}" \
             --tag "ghcr.io/pdsinterop/solid-nextcloud:${{ env.TAG }}" \
+            --build-arg 'NEXTCLOUD_VERSION=${{ matrix.nextcloud_version }}' \
           .
           docker push "ghcr.io/pdsinterop/solid-nextcloud:${{ env.TAG }}"
           mkdir -p cache/solid-nextcloud
-          docker image save solid-nextcloud:${{ env.TAG }} --output ./cache/solid-nextcloud/${{ github.sha }}.tar
+          docker image save solid-nextcloud:${{ env.TAG }} --output ./cache/solid-nextcloud/${{ github.sha }}-${{ matrix.nextcloud_version }}.tar
 
   solid-testsuite:
+    needs:
+      - build-docker-nextcloud
+
+    runs-on: ubuntu-latest
+
     strategy:
       fail-fast: false
       matrix:
+        # Versions older than 22 are not tested as they run on PHP versions lower than 8.0
+        nextcloud_version:
+          - 22
+          - 23
+          - 24
+          - 25
+          - latest
         test:
           - 'solidtestsuite/solid-crud-tests:v7.0.5'
           - 'solidtestsuite/web-access-control-tests:v7.1.0'
           - 'solidtestsuite/webid-provider-tests:v2.1.0'
 
-    needs:
-      - build-docker-nextcloud
-
-    runs-on: ubuntu-latest
+    # For the latest version information see: https://github.com/nextcloud/server/wiki/Maintenance-and-Release-Schedule
+    # Allow EOL or non-stable versions of Nextcloud to fail the test-suite
+    continue-on-error: ${{ contains(fromJson('[23, 24, 25]'), matrix.nextcloud_version) == false }}
 
     steps:
       - name: Create docker tag from git reference
         # A tag name may only contain lower- and uppercase letters, digits, underscores, periods and dashes.
         run: |
-          echo "TAG=$(echo -n "${{ github.ref_name }}" \
+          echo "TAG=$(echo -n "${{ github.ref_name }}-${{ matrix.nextcloud_version }}" \
             | tr --complement --squeeze-repeats '[:alnum:]._-' '_')" \
             >> "${GITHUB_ENV}"
 
@@ -92,9 +116,10 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
+      # FIXME: The `docker pull` should be moved to a previous step and cached
       - name: Pull docker Images
         run: |
-          docker image load --input ./cache/solid-nextcloud/${{ github.sha }}.tar
+          docker image load --input ./cache/solid-nextcloud/${{ github.sha }}-${{ matrix.nextcloud_version }}.tar
           docker pull michielbdejong/nextcloud-cookie:${{ env.COOKIE_TAG }}
           docker pull ${{ matrix.test }}
           docker pull ghcr.io/pdsinterop/php-solid-pubsub-server:${{ env.PUBSUB_TAG }}