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 +1,122 @@
+//===----------------------------------------------------------------------===//
+// Copyright © 2025-2026 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 Foundation
+import Logging
+import Testing
+
+@testable import ContainerBuild
+
+@Suite class BuildFileResolvePathTests {
+    private var baseTempURL: URL
+    private let fileManager = FileManager.default
+
+    init() throws {
+        self.baseTempURL = URL.temporaryDirectory
+            .appendingPathComponent("BuildFileTests-\(UUID().uuidString)")
+        try fileManager.createDirectory(at: baseTempURL, withIntermediateDirectories: true, attributes: nil)
+    }
+
+    deinit {
+        try? fileManager.removeItem(at: baseTempURL)
+    }
+
+    private func createFile(at url: URL, content: String = "") throws {
+        try fileManager.createDirectory(
+            at: url.deletingLastPathComponent(),
+            withIntermediateDirectories: true,
+            attributes: nil
+        )
+        let created = fileManager.createFile(
+            atPath: url.path,
+            contents: content.data(using: .utf8),
+            attributes: nil
+        )
+        try #require(created)
+    }
+
+    @Test func testResolvePathFindsDockerfile() throws {
+        let contextDir = baseTempURL.path
+        let dockerfilePath = baseTempURL.appendingPathComponent("Dockerfile")
+        try createFile(at: dockerfilePath, content: "FROM alpine")
+
+        let result = try BuildFile.resolvePath(contextDir: contextDir)
+
+        #expect(result == dockerfilePath.path)
+    }
+
+    @Test func testResolvePathFindsContainerfile() throws {
+        let contextDir = baseTempURL.path
+        let containerfilePath = baseTempURL.appendingPathComponent("Containerfile")
+        try createFile(at: containerfilePath, content: "FROM alpine")
+
+        let result = try BuildFile.resolvePath(contextDir: contextDir)
+
+        #expect(result == containerfilePath.path)
+    }
+
+    @Test func testResolvePathPrefersDockerfileWhenBothExist() throws {
+        let contextDir = baseTempURL.path
+        let dockerfilePath = baseTempURL.appendingPathComponent("Dockerfile")
+        let containerfilePath = baseTempURL.appendingPathComponent("Containerfile")
+        try createFile(at: dockerfilePath, content: "FROM alpine")
+        try createFile(at: containerfilePath, content: "FROM ubuntu")
+
+        let result = try BuildFile.resolvePath(contextDir: contextDir)
+
+        #expect(result == dockerfilePath.path)
+    }
+
+    @Test func testResolvePathReturnsNilWhenNoFilesExist() throws {
+        let contextDir = baseTempURL.path
+
+        let result = try BuildFile.resolvePath(contextDir: contextDir)
+
+        #expect(result == nil)
+    }
+
+    @Test func testResolvePathWithEmptyDirectory() throws {
+        let emptyDir = baseTempURL.appendingPathComponent("empty")
+        try fileManager.createDirectory(at: emptyDir, withIntermediateDirectories: true, attributes: nil)
+
+        let result = try BuildFile.resolvePath(contextDir: emptyDir.path)
+
+        #expect(result == nil)
+    }
+
+    @Test func testResolvePathWithNestedContextDirectory() throws {
+        let nestedDir = baseTempURL.appendingPathComponent("project/build")
+        try fileManager.createDirectory(at: nestedDir, withIntermediateDirectories: true, attributes: nil)
+        let dockerfilePath = nestedDir.appendingPathComponent("Dockerfile")
+        try createFile(at: dockerfilePath, content: "FROM node")
+
+        let result = try BuildFile.resolvePath(contextDir: nestedDir.path)
+
+        #expect(result == dockerfilePath.path)
+    }
+
+    @Test func testResolvePathWithRelativeContextDirectory() throws {
+        let nestedDir = baseTempURL.appendingPathComponent("project")
+        try fileManager.createDirectory(at: nestedDir, withIntermediateDirectories: true, attributes: nil)
+        let dockerfilePath = nestedDir.appendingPathComponent("Dockerfile")
+        try createFile(at: dockerfilePath, content: "FROM python")
+
+        // Test with the absolute path
+        let result = try BuildFile.resolvePath(contextDir: nestedDir.path)
+
+        #expect(result == dockerfilePath.path)
+    }
+}