wehub-resource-sync
121 lines
4.4 KiB
Swift
121 lines
4.4 KiB
Swift
//===----------------------------------------------------------------------===//
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// Copyright © 2026 Apple Inc. and the Containerization project authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//===----------------------------------------------------------------------===//
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import ContainerizationExtras
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import ContainerizationOCI
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import Crypto
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import Foundation
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import NIO
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import Testing
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@testable import Containerization
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@Suite
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final class ExportOperationTests {
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@Test(arguments: [MediaTypes.dockerManifestList, MediaTypes.index])
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func testIndexPushMediaTypeMatchesBody(_ sourceMediaType: String) async throws {
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let dir = FileManager.default.uniqueTemporaryDirectory(create: true)
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defer { try? FileManager.default.removeItem(at: dir) }
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let cs = try LocalContentStore(path: dir)
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// Opaque child mediaType so ExportOperation's recursion stops here
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// and we don't have to seed config/layer blobs.
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let opaqueType = "application/vnd.test.opaque.v1+json"
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let childData = Data("child-amd64".utf8)
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let childDigest = SHA256.hash(data: childData).digestString
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let childDesc = Descriptor(
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mediaType: opaqueType,
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digest: childDigest,
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size: Int64(childData.count),
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platform: Platform(arch: "amd64", os: "linux"))
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let index = Index(mediaType: sourceMediaType, manifests: [childDesc])
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let indexData = try JSONEncoder().encode(index)
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let indexDigest = SHA256.hash(data: indexData).digestString
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try await cs.ingest { ingestDir in
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for (digest, data) in [(childDigest, childData), (indexDigest, indexData)] {
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let path = ingestDir.appendingPathComponent(digest.trimmingDigestPrefix)
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try data.write(to: path)
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}
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}
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let indexDesc = Descriptor(
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mediaType: sourceMediaType,
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digest: indexDigest,
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size: Int64(indexData.count))
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let capture = CapturingContentClient()
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let op = ImageStore.ExportOperation(
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name: "test/repo", tag: "v1", contentStore: cs, client: capture)
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let pushed = try await op.export(index: indexDesc, platforms: { _ in true })
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#expect(pushed.mediaType == sourceMediaType)
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let indexPush = try #require(
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capture.pushes.first(where: { $0.descriptor.digest == pushed.digest }))
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#expect(indexPush.descriptor.mediaType == sourceMediaType)
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let pushedIndex = try JSONDecoder().decode(Index.self, from: indexPush.body)
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#expect(pushedIndex.mediaType == sourceMediaType)
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}
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}
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private final class CapturingContentClient: ContentClient, @unchecked Sendable {
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struct Push: Sendable {
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let descriptor: Descriptor
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let body: Data
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}
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private let lock = NSLock()
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private var _pushes: [Push] = []
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var pushes: [Push] {
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lock.withLock { _pushes }
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}
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private struct NotImplemented: Error {}
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func fetch<T: Codable>(name: String, descriptor: Descriptor) async throws -> T {
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throw NotImplemented()
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}
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func fetchBlob(name: String, descriptor: Descriptor, into file: URL, progress: ProgressHandler?) async throws -> (Int64, SHA256Digest) {
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throw NotImplemented()
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}
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func fetchData(name: String, descriptor: Descriptor) async throws -> Data {
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throw NotImplemented()
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}
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func push<T: Sendable & AsyncSequence>(
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name: String,
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ref: String,
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descriptor: Descriptor,
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streamGenerator: () throws -> T,
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progress: ProgressHandler?
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) async throws where T.Element == ByteBuffer {
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let stream = try streamGenerator()
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var data = Data()
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for try await buf in stream {
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data.append(contentsOf: buf.readableBytesView)
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}
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lock.withLock {
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_pushes.append(Push(descriptor: descriptor, body: data))
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}
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}
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}
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