diff --git a/README.md b/README.md
index 055a0cc..e0c902b 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,35 @@
 # gitea-actions
 
-Store Openium Gitea Actions
\ No newline at end of file
+Store Openium Gitea Actions
+
+## iOS
+
+- `ios/test`: build-for-testing + test, like `iOSpipeline()` on Jenkins
+
+On project set: `.gitea/workflows/ci.yml` with:
+```yaml
+name: CI
+
+on:
+  push:
+    paths-ignore:
+      - '**/*.plist'
+  pull_request:
+  workflow_dispatch:
+
+concurrency:
+  group: ci-${{ github.repository }}-${{ github.head_ref || github.ref_name }}
+  cancel-in-progress: true
+
+jobs:
+  test:
+    if: github.actor != 'hudson'
+    runs-on: macos-arm64
+    timeout-minutes: 120
+    steps:
+      - uses: https://gitea.openium.fr/devtools/gitea-actions/ios/test@main
+        with:
+          developer-dir: /Applications/Xcode-27.0.0.app/Contents/Developer
+          deployment-target: "18.0"
+          slack-channel: name
+```
\ No newline at end of file
diff --git a/ios/test/action.yml b/ios/test/action.yml
new file mode 100644
index 0000000..ead40f9
--- /dev/null
+++ b/ios/test/action.yml
@@ -0,0 +1,141 @@
+name: iOS build-for-testing & test
+description: >
+  Equivalent of the prepare-env → test-without-building stages of vars/iOSpipeline.groovy
+  (devtools/jenkins). Uses the ios-*.sh scripts installed in the PATH of the macos-arm64 runner.
+
+inputs:
+  developer-dir:
+    description: "Xcode to use, e.g. /Applications/Xcode-27.0.0.app/Contents/Developer"
+    required: true
+  deployment-target:
+    description: "Equivalent of env.DEPLOYMENT_TARGET"
+    required: false
+    default: ""
+  slack-channel:
+    description: "Equivalent of env.SLACK_CHANNEL"
+    required: false
+    default: ""
+  source-dir:
+    description: "Equivalent of CUSTOM_SOURCE_CODE_DIR"
+    required: false
+    default: "."
+  swift-package:
+    description: "Equivalent of IS_PACKAGE_SWIFT"
+    required: false
+    default: "false"
+  max-parallel-tests:
+    description: "Number of schemes tested in parallel (Jenkins semaphore)"
+    required: false
+    default: "4"
+  fail-on-test-failure:
+    description: "false = Jenkins behaviour (failing tests → UNSTABLE, build stays green)"
+    required: false
+    default: "false"
+
+runs:
+  using: composite
+  steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: recursive
+        fetch-depth: 1
+
+    - name: env
+      shell: bash
+      run: |
+        {
+          echo "DEVELOPER_DIR=${{ inputs.developer-dir }}"
+          echo "DEPLOYMENT_TARGET=${{ inputs.deployment-target }}"
+          echo "SLACK_CHANNEL=${{ inputs.slack-channel }}"
+          # Jenkins variables read by some ios-*.sh scripts
+          echo "WORKSPACE=${{ github.workspace }}"
+          echo "BUILD_NUMBER=${{ github.run_number }}"
+          echo "JOB_NAME=${{ github.repository }}"
+          echo "BRANCH_NAME=${{ github.head_ref || github.ref_name }}"
+        } >> "$GITHUB_ENV"
+
+    - name: prepare-env
+      shell: bash
+      working-directory: ${{ inputs.source-dir }}
+      run: |
+        set -euo pipefail
+        if [ "${{ inputs.swift-package }}" = "true" ]; then
+          ios-swift-package-prepare.sh
+        fi
+        ios-tools-infos.sh
+        ios-generate-build.properties.sh
+        cat build.properties
+        schemes=$(grep '^XCODE_TESTABLE_SCHEMES=' build.properties | cut -d= -f2- | tr -d '"')
+        [ -n "$schemes" ] || { echo "XCODE_TESTABLE_SCHEMES is empty in build.properties"; exit 1; }
+        echo "TESTABLE_SCHEMES=$schemes" >> "$GITHUB_ENV"
+
+    - name: build-dependencies
+      shell: bash
+      working-directory: ${{ inputs.source-dir }}
+      run: |
+        set -euo pipefail
+        ios-simulators-create.sh & sim_pid=$!
+        ios-build-dependencies.sh
+        wait "$sim_pid"
+
+    - name: build-for-testing
+      shell: bash
+      working-directory: ${{ inputs.source-dir }}
+      run: |
+        set -uo pipefail
+        IFS=';' read -ra schemes <<< "$TESTABLE_SCHEMES"
+        pids=()
+        for scheme in "${schemes[@]}"; do
+          [ -n "$scheme" ] || continue
+          ( XCODE_SCHEME="$scheme" ios-xcodebuild-build-for-testing.sh 2>&1 | sed "s/^/[$scheme] /" ) &
+          pids+=($!)
+        done
+        rc=0
+        for pid in "${pids[@]}"; do wait "$pid" || rc=1; done
+        exit $rc
+
+    - name: test-without-building
+      shell: bash
+      working-directory: ${{ inputs.source-dir }}
+      run: |
+        set -uo pipefail
+        printf '%s\n' "$TESTABLE_SCHEMES" | tr ';' '\n' | grep -v '^$' \
+          | xargs -P "${{ inputs.max-parallel-tests }}" -I{} bash -o pipefail -c \
+              'XCODE_SCHEME="$1" ios-xcodebuild-test-without-building.sh 2>&1 | sed "s/^/[$1] /"' _ {}
+        rc=$?
+        if [ $rc -ne 0 ]; then
+          echo "⚠️ Some tests failed (Jenkins UNSTABLE equivalent)"
+          if [ "${{ inputs.fail-on-test-failure }}" = "true" ]; then
+            exit $rc
+          fi
+        fi
+        exit 0
+
+    - name: test-report
+      if: always()
+      shell: bash
+      working-directory: ${{ inputs.source-dir }}
+      run: ios-junit-htmlreport.sh || true
+
+    - name: upload test results
+      if: always()
+      uses: actions/upload-artifact@v3
+      with:
+        name: test-results
+        path: |
+          ${{ inputs.source-dir }}/test-reports/
+          ${{ inputs.source-dir }}/XCTestHtmlReport/
+          ${{ inputs.source-dir }}/screenshots-from-tests/
+        if-no-files-found: ignore
+
+    - name: delete simulators
+      if: always()
+      shell: bash
+      working-directory: ${{ inputs.source-dir }}
+      run: ios-simulators-delete.sh
+
+    - name: clean
+      if: success()
+      shell: bash
+      working-directory: ${{ inputs.source-dir }}
+      run: ios-clean.sh