Explicitly test XCFramework dependency in CI

Author: mokagio

.buildkite/pipeline.yml

@@ -26,7 +26,10 @@ steps:
     - label: ':swift: Test Swift Package with XCFramework'
       depends_on: publish-xcframework
       command: |
+        echo "--- :arrow_down: Downloading checksum..."
         buildkite-agent artifact download build/*.checksum.txt .
+        echo "--- :swift: Updating Package.swift..."
         make update-xcframework-reference
-        make test-swift-package-no-build
+        echo "--- :microscope: Testing with XCFramework dependency"
+        make test-swift-package-with-xcframework
       plugins: *plugins

Makefile

@@ -107,7 +107,9 @@ build-swift-package: build
 test-swift-package: build
 	$(call XCODEBUILD_CMD, test)
 
-test-swift-package-no-build:
+# Notice no build dependency because all assets come from XCFramework
+test-swift-package-with-xcframework: export GUTENBERGKIT_SWIFT_USE_LOCAL_RESOURCES = 0
+test-swift-package-with-xcframework:
 	$(call XCODEBUILD_CMD, test)
 
 release:

Package.swift

@@ -5,7 +5,7 @@ import PackageDescription
 import Foundation
 
 // Set GUTENBERGKIT_SWIFT_USE_LOCAL_RESOURCES=1 to build resources from source instead of using the pre-built XCFramework
-let useLocalResources = ProcessInfo.processInfo.environment["GUTENBERGKIT_SWIFT_USE_LOCAL_RESOURCES"] != nil
+let useLocalResources = ProcessInfo.processInfo.environment["GUTENBERGKIT_SWIFT_USE_LOCAL_RESOURCES"] == "1"
 
 // TODO: This has been manually uploaded, we'll need automation to both upload and update the URL and checksum
 let revision = "89502dd215ef37df93592c06342137aed4df51f8"