ci: Enable smoke tests

These integration tests require an instance of the container registry
to be available.

Author: euanh

.github/workflows/pull_request.yml

@@ -21,8 +21,35 @@ jobs:
             linux_5_8_enabled: false
             linux_5_9_enabled: false
             linux_5_10_enabled: false
-            linux_nightly_6_0_arguments_override: "--filter 'AuthTests|ReferenceTests'"
-            linux_nightly_main_arguments_override: "--filter 'AuthTests|ReferenceTests'"
+            linux_nightly_6_0_arguments_override: "--skip SmokeTests"
+            linux_nightly_main_arguments_override: "--skip SmokeTests"
+
+    integration-tests:
+        name: Integration tests
+        runs-on: ubuntu-latest
+        services:
+            registry:
+                image: registry:2
+                ports:
+                - 5000:5000
+        container:
+            image: swift:6.0-noble
+        steps:
+        - name: Checkout repository
+          uses: actions/checkout@v4
+          with:
+              persist-credentials: false
+
+        - name: Mark the workspace as safe
+          # https://github.com/actions/checkout/issues/766
+          run: git config --global --add safe.directory ${GITHUB_WORKSPACE}
+
+        - name: Run test job
+          env:
+              REGISTRY_HOST: registry
+              REGISTRY_PORT: 5000
+          run: |
+              swift test
 
     swift-6-language-mode:
         name: Swift 6 Language Mode

NOTICE.txt

@@ -67,6 +67,12 @@ function from SwiftNIO Extras.
 This product contains samples of how to use Swift Container Plugin with the
 following other projects:
 
+  * Distribution Registry
+    * LICENSE (Apache License 2.0):
+      * https://www.apache.org/licenses/LICENSE-2.0
+    * HOMEPAGE:
+      * https://github.com/distribution/distribution
+
   * Vapor
     * LICENSE (MIT License):
       * https://mit-license.org

scripts/run-integration-tests.sh

@@ -0,0 +1,44 @@
+#!/usr/bin/env bash
+##===----------------------------------------------------------------------===##
+##
+## This source file is part of the SwiftContainerPlugin open source project
+##
+## Copyright (c) 2024 Apple Inc. and the SwiftContainerPlugin project authors
+## Licensed under Apache License v2.0
+##
+## See LICENSE.txt for license information
+## See CONTRIBUTORS.txt for the list of SwiftContainerPlugin project authors
+##
+## SPDX-License-Identifier: Apache-2.0
+##
+##===----------------------------------------------------------------------===##
+
+
+log() { printf -- "** %s\n" "$*" >&2; }
+error() { printf -- "** ERROR: %s\n" "$*" >&2; }
+fatal() { error "$@"; exit 1; }
+
+if [[ -n ${TOOLCHAINS+x} ]] ; then
+    fatal "Please unset the TOOLCHAINS environment variable.   The OSS Swift toolchain cannot run these tests because it does not include XCTest.framework."
+fi
+
+set -euo pipefail
+
+RUNTIME=${RUNTIME-"docker"}
+
+# Start a registry on an ephemeral port
+REGISTRY_ID=$($RUNTIME run -d --rm -p 127.0.0.1::5000 registry:2)
+export REGISTRY_HOST="localhost"
+REGISTRY_PORT=$($RUNTIME port "$REGISTRY_ID" 5000/tcp | sed -E 's/^.+:([[:digit:]]+)$/\1/')
+export REGISTRY_PORT
+log "Registry $REGISTRY_ID listening on $REGISTRY_HOST:$REGISTRY_PORT"
+
+# Delete the registry after running the tests, regardless of the outcome
+cleanup() {
+  log "Deleting registry $REGISTRY_ID"
+  $RUNTIME rm -f "$REGISTRY_ID"
+}
+trap cleanup EXIT
+
+log "Running smoke tests"
+swift test --filter 'SmokeTests'