test: add reusable workflow expansion test for ${{ needs... }} (#1362)

end-to-end tests for https://codeberg.org/forgejo/forgejo/pulls/10647

Reviewed-on: https://code.forgejo.org/forgejo/end-to-end/pulls/1362
Co-authored-by: Mathieu Fenniak <mathieu@fenniak.net>
Co-committed-by: Mathieu Fenniak <mathieu@fenniak.net>

actions/example-workflow-call-expansion/.forgejo/workflows/reusable-layer-1.yml

@@ -4,6 +4,9 @@ on:
       input1:
         required: true
         type: string
+      input3:
+        required: true
+        type: string
     outputs:
       output1:
         value: ${{ jobs.callee-1.outputs.job-output }}
@@ -28,6 +31,7 @@ jobs:
         run: |
           set -x
           test "top-level-input1" = "${{ inputs.input1 }}"
+          test "dynamic output" = "${{ inputs.input3 }}"
       - name: verify workflow secrets
         run: |
           set -x
@@ -38,10 +42,13 @@ jobs:
         run: touch /srv/example/callee-1
 
   layer-2:
+    needs: [callee-1]
     uses: ./.forgejo/workflows/reusable-layer-2.yml
     with:
       input1: ${{ inputs.input1 }}
       input2: mid-level-input2
+      input3: ${{ inputs.input3 }}
+      input4: ${{ needs.callee-1.outputs.job-output }}
     secrets: inherit
 
   callee-2:

actions/example-workflow-call-expansion/.forgejo/workflows/reusable-layer-2.yml

@@ -7,6 +7,12 @@ on:
       input2:
         required: true
         type: string
+      input3:
+        required: true
+        type: string
+      input4:
+        required: true
+        type: string
     outputs:
       output3:
         value: ${{ jobs.callee-3.outputs.job-output }}
@@ -28,6 +34,8 @@ jobs:
           set -x
           test "top-level-input1" = "${{ inputs.input1 }}"
           test "mid-level-input2" = "${{ inputs.input2 }}"
+          test "dynamic output" = "${{ inputs.input3 }}"
+          test "callee-1-output" = "${{ inputs.input4 }}"
       - name: verify workflow secrets inherited
         run: |
           set -x

actions/example-workflow-call-expansion/.forgejo/workflows/test.yml

@@ -2,10 +2,22 @@ on:
   push:
 
 jobs:
+  pre-job:
+    runs-on: docker
+    container:
+      image: data.forgejo.org/oci/node:22-bookworm
+    outputs:
+      dynamic: "${{ steps.dynamic-step.outputs.dynamic }}"
+    steps:
+      - id: dynamic-step
+        run: echo "dynamic=dynamic output" >> $FORGEJO_OUTPUT
+
   layer-1:
+    needs: [pre-job]
     uses: ./.forgejo/workflows/reusable-layer-1.yml
     with:
       input1: top-level-input1
+      input3: ${{ needs.pre-job.outputs.dynamic }}
     secrets:
       secret1: AAAA
       secret2: BBBB1234