mirror of
https://github.com/apple/container.git
synced 2026-07-13 13:07:06 +00:00
Michael Crosby
c4a22389ac
This also includes custom kernels for container machine. Its required with nested virt as CONFIG_KVM needs to be enabled. --------- Signed-off-by: michael_crosby <michael_crosby@apple.com>
96 lines
3.8 KiB
Swift
96 lines
3.8 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 ContainerPersistence
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import ContainerizationError
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import Foundation
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import SystemPackage
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import Testing
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struct MachineConfigTests {
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@Test func virtualizationDefaultsToFalse() throws {
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let config = MachineConfig.default
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#expect(config.virtualization == false)
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#expect(config.kernelPath == nil)
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}
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@Test func withSetsVirtualizationTrue() throws {
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let updated = try MachineConfig.default.with(["virtualization": "true"])
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#expect(updated.virtualization == true)
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}
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@Test func withSetsVirtualizationFalse() throws {
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let enabled = try MachineConfig.default.with(["virtualization": "true"])
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let cleared = try enabled.with(["virtualization": "false"])
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#expect(cleared.virtualization == false)
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}
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@Test func withRejectsBogusBoolean() {
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#expect(throws: ContainerizationError.self) {
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try MachineConfig.default.with(["virtualization": "yes"])
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}
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}
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@Test func withSetsKernelPath() throws {
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let updated = try MachineConfig.default.with(["kernel": "/opt/kernels/vmlinux"])
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#expect(updated.kernelPath == FilePath("/opt/kernels/vmlinux"))
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}
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@Test func withEmptyKernelClearsKernelPath() throws {
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let withCustom = try MachineConfig.default.with(["kernel": "/opt/kernels/vmlinux"])
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#expect(withCustom.kernelPath == FilePath("/opt/kernels/vmlinux"))
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let cleared = try withCustom.with(["kernel": ""])
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#expect(cleared.kernelPath == nil)
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}
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@Test func withPreservesUnchangedFields() throws {
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let updated = try MachineConfig.default.with([
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"virtualization": "true",
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"kernel": "/opt/kernels/vmlinux",
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])
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#expect(updated.cpus == MachineConfig.default.cpus)
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#expect(updated.memory.toUInt64(unit: .bytes) == MachineConfig.default.memory.toUInt64(unit: .bytes))
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#expect(updated.homeMount == MachineConfig.default.homeMount)
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}
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@Test func decodingMissingFieldsUsesDefaults() throws {
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// Older boot-config.json files predate virtualization/kernel — they must still load.
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let legacy = #"{"cpus":4,"memory":"1gb","homeMount":"rw"}"#
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let data = Data(legacy.utf8)
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let decoded = try JSONDecoder().decode(MachineConfig.self, from: data)
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#expect(decoded.cpus == 4)
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#expect(decoded.virtualization == false)
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#expect(decoded.kernelPath == nil)
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}
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@Test func roundTripJSON() throws {
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let config = try MachineConfig.default.with([
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"virtualization": "true",
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"kernel": "/some/vmlinux",
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])
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let data = try JSONEncoder().encode(config)
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let decoded = try JSONDecoder().decode(MachineConfig.self, from: data)
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#expect(decoded.virtualization == true)
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#expect(decoded.kernelPath == FilePath("/some/vmlinux"))
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}
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@Test func settableKeysIncludeNewFields() {
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let keys = MachineConfig.settableKeys.map(\.key)
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#expect(keys.contains("virtualization"))
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#expect(keys.contains("kernel"))
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}
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}
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