chore: import upstream snapshot with attribution

2026-07-13 12:06:18 +08:00
commit e84fb4a79e
474 changed files with 68321 additions and 0 deletions
@@ -0,0 +1,61 @@
+//===----------------------------------------------------------------------===//
+// Copyright © 2026 Apple Inc. and the container project authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//===----------------------------------------------------------------------===//
+
+import ArgumentParser
+import Foundation
+import Testing
+
+@testable import ContainerCommands
+
+struct HelpCommandTests {
+    @Test
+    func everyStaticSubcommandReachableViaHelp() {
+        func walk(_ command: ParsableCommand.Type, path: [String]) {
+            let cfg = command.configuration
+            var children = cfg.subcommands
+            for group in cfg.groupedSubcommands {
+                children.append(contentsOf: group.subcommands)
+            }
+            for child in children {
+                guard let name = child.configuration.commandName else { continue }
+                let canonical = path + [name]
+                let canonicalResolved = HelpCommand.resolveSubcommand(path: canonical) != nil
+                #expect(
+                    canonicalResolved,
+                    "help should resolve '\(canonical.joined(separator: " "))' but returned nil"
+                )
+                for alias in child.configuration.aliases {
+                    let aliasPath = path + [alias]
+                    let aliasResolved = HelpCommand.resolveSubcommand(path: aliasPath) != nil
+                    #expect(
+                        aliasResolved,
+                        "help should resolve alias path '\(aliasPath.joined(separator: " "))' but returned nil"
+                    )
+                }
+                walk(child, path: canonical)
+            }
+        }
+        walk(Application.self, path: [])
+    }
+
+    @Test
+    func unknownSubcommandReturnsNil() {
+        let unknownResolved = HelpCommand.resolveSubcommand(path: ["nonexistent"]) == nil
+        #expect(unknownResolved)
+        let nestedUnknownResolved = HelpCommand.resolveSubcommand(path: ["image", "nonexistent"]) == nil
+        #expect(nestedUnknownResolved)
+    }
+}