wehub-resource-sync
60 lines
2.1 KiB
Swift
60 lines
2.1 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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#if os(Linux)
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import Testing
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@testable import Containerization
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@Suite("TAP name derivation")
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struct TAPNameDerivationTests {
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@Test("name is deterministic for a given id")
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func deterministic() {
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let a = LinuxBridgedNetwork.derivedTAPName(forID: "container-abc")
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let b = LinuxBridgedNetwork.derivedTAPName(forID: "container-abc")
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#expect(a == b)
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}
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@Test("different ids produce different names")
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func differentIds() {
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let a = LinuxBridgedNetwork.derivedTAPName(forID: "alpha")
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let b = LinuxBridgedNetwork.derivedTAPName(forID: "beta")
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#expect(a != b)
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}
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@Test("name fits within IFNAMSIZ - 1 (15 chars)")
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func ifnamsizFit() {
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for id in ["a", "short", "a-much-longer-container-id-that-exceeds-typical-bounds"] {
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let n = LinuxBridgedNetwork.derivedTAPName(forID: id)
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#expect(n.count <= 15, "name '\(n)' exceeds IFNAMSIZ-1")
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}
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}
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@Test("name uses czt- prefix")
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func prefix() {
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let n = LinuxBridgedNetwork.derivedTAPName(forID: "anything")
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#expect(n.hasPrefix("czt-"))
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}
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@Test("hex suffix is 10 chars")
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func suffixLength() {
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let n = LinuxBridgedNetwork.derivedTAPName(forID: "anything")
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// "czt-" is 4 chars; total 14.
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#expect(n.count == 14)
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}
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}
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#endif
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