migrate S3Tests

Author: tayloraswift

Package.swift

@@ -631,10 +631,9 @@ let package:Package = .init(
                 .target(name: "System_"),
             ]),
 
-        .executableTarget(name: "S3Tests",
+        .testTarget(name: "S3Tests",
             dependencies: [
                 .target(name: "S3Client"),
-                .target(name: "Testing_"),
             ]),
 
         .executableTarget(name: "SemanticVersionTests",

Sources/S3Tests/Authorization.swift

@@ -0,0 +1,30 @@
+import S3
+@_spi(testable) import S3Client
+import Testing
+
+@Suite
+enum Authorization
+{
+    @Test
+    static func V4()
+    {
+        let credentials:AWS.AccessKey = .init(id: "AKIAIOSFODNN7EXAMPLE",
+            secret: "wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY")
+        let computed:String = credentials.sign(put: "Welcome to Amazon S3.",
+            storage: .reducedRedundancy,
+            bucket: .init(
+                region: .us_east_1,
+                name: "examplebucket"),
+            date: .init(weekday: .friday,
+                date: .init(year: 2013, month: .may, day: 24),
+                time: .init(hour: 0, minute: 0, second: 0)),
+            path: "/test%24file.text")
+
+        #expect(computed == """
+            AWS4-HMAC-SHA256 \
+            Credential=AKIAIOSFODNN7EXAMPLE/20130524/us-east-1/s3/aws4_request,\
+            SignedHeaders=date;host;x-amz-content-sha256;x-amz-date;x-amz-storage-class,\
+            Signature=5c7844d25514be6e8f67c6199292dea5ed17cd8a5561043b75fbc6bddf745f6b
+            """)
+    }
+}