ci: Enable smoke tests

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

Author: euanh

.github/workflows/pull_request.yml

@@ -24,6 +24,17 @@ jobs:
             linux_nightly_6_0_arguments_override: "--filter 'AuthTests|ReferenceTests'"
             linux_nightly_main_arguments_override: "--filter 'AuthTests|ReferenceTests'"
 
+    integration-tests:
+        name: Integration tests
+        uses: apple/swift-nio/.github/workflows/swift_matrix.yml@main
+        with:
+            name: "Integration tests"
+            matrix_linux_command: "./scripts/run-integration-tests.sh"
+            matrix_linux_5_8_enabled: false
+            matrix_linux_5_9_enabled: false
+            matrix_linux_5_10_enabled: false
+            matrix_linux_nightly_main_enabled: false
+
     swift-6-language-mode:
         name: Swift 6 Language Mode
         uses: apple/swift-nio/.github/workflows/swift_6_language_mode.yml@main

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'