mirror of
https://github.com/apple/container.git
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J Logan
95 lines
3.9 KiB
Swift
95 lines
3.9 KiB
Swift
//===----------------------------------------------------------------------===//
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// Copyright © 2026 Apple Inc. and the container 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 Foundation
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import Testing
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@testable import ContainerResource
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// Shared fixture (reused by later tasks' tests). If an initializer is rejected,
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// correct it against Sources/ContainerResource/Image/ImageDescription.swift and
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// Sources/ContainerResource/Container/ProcessConfiguration.swift.
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func makeTestConfiguration(
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id: String = "test-ctr",
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labels: [String: String] = [:],
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creationDate: Date? = nil
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) -> ContainerConfiguration {
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let image = ImageDescription(
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reference: "docker.io/library/alpine:latest",
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descriptor: .init(
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mediaType: "application/vnd.oci.image.manifest.v1+json",
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digest: "sha256:" + String(repeating: "0", count: 64),
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size: 0
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)
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)
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let process = ProcessConfiguration(
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executable: "/bin/sh",
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arguments: [],
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environment: [],
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workingDirectory: "/",
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terminal: false,
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user: .id(uid: 0, gid: 0),
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supplementalGroups: [],
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rlimits: []
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)
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var config = ContainerConfiguration(id: id, image: image, process: process)
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config.labels = labels
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if let creationDate { config.creationDate = creationDate }
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return config
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}
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struct ContainerConfigurationResourcesTests {
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@Test func roundTripsCpuOverhead() throws {
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var config = makeTestConfiguration()
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config.resources.cpuOverhead = 2
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let data = try JSONEncoder().encode(config)
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let decoded = try JSONDecoder().decode(ContainerConfiguration.self, from: data)
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#expect(decoded.resources.cpuOverhead == 2)
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}
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@Test func decodesMissingCpuOverheadAsDefault() throws {
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let config = makeTestConfiguration()
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let data = try JSONEncoder().encode(config)
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var obj = try #require(try JSONSerialization.jsonObject(with: data) as? [String: Any])
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var resources = try #require(obj["resources"] as? [String: Any])
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resources.removeValue(forKey: "cpuOverhead")
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obj["resources"] = resources
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let stripped = try JSONSerialization.data(withJSONObject: obj)
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let decoded = try JSONDecoder().decode(ContainerConfiguration.self, from: stripped)
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#expect(decoded.resources.cpuOverhead == 1)
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}
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}
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struct ContainerConfigurationCreationDateTests {
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@Test func roundTripsCreationDate() throws {
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let when = Date(timeIntervalSince1970: 1_700_000_000)
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let config = makeTestConfiguration(creationDate: when)
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let data = try JSONEncoder().encode(config)
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let decoded = try JSONDecoder().decode(ContainerConfiguration.self, from: data)
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#expect(decoded.creationDate == when)
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}
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@Test func decodesMissingCreationDateAsEpoch() throws {
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let config = makeTestConfiguration(creationDate: Date(timeIntervalSince1970: 1_700_000_000))
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let data = try JSONEncoder().encode(config)
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var obj = try #require(try JSONSerialization.jsonObject(with: data) as? [String: Any])
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obj.removeValue(forKey: "creationDate")
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let stripped = try JSONSerialization.data(withJSONObject: obj)
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let decoded = try JSONDecoder().decode(ContainerConfiguration.self, from: stripped)
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#expect(decoded.creationDate == Date(timeIntervalSince1970: 0))
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}
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}
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