Files
container/Tests/DNSServerTests/StandardQueryValidatorTest.swift
T
2025-10-03 13:28:16 -07:00

117 lines
4.1 KiB
Swift

//===----------------------------------------------------------------------===//
// Copyright © 2025 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 DNS
import Testing
@testable import DNSServer
struct StandardQueryValidatorTest {
@Test func testRejectResponseAsQuery() async throws {
let fooHandler = FooHandler()
let handler = StandardQueryValidator(handler: fooHandler)
let query = Message(
id: UInt16(1),
type: .response,
questions: [
Question(name: "foo", type: .host)
])
let response = try await handler.answer(query: query)
#expect(.formatError == response?.returnCode)
#expect(1 == response?.id)
#expect(.response == response?.type)
#expect(1 == response?.questions.count)
#expect("foo" == response?.questions[0].name)
#expect(.host == response?.questions[0].type)
#expect(0 == response?.answers.count)
}
@Test func testRejectNonQueryOperation() async throws {
let fooHandler = FooHandler()
let handler = StandardQueryValidator(handler: fooHandler)
let query = Message(
id: UInt16(2),
type: .query,
operationCode: .notify,
questions: [
Question(name: "foo", type: .host)
])
let response = try await handler.answer(query: query)
#expect(.notImplemented == response?.returnCode)
#expect(2 == response?.id)
#expect(.response == response?.type)
#expect(1 == response?.questions.count)
#expect("foo" == response?.questions[0].name)
#expect(.host == response?.questions[0].type)
#expect(0 == response?.answers.count)
}
@Test func testRejectMultipleQuestions() async throws {
let fooHandler = FooHandler()
let handler = StandardQueryValidator(handler: fooHandler)
let query = Message(
id: UInt16(2),
type: .query,
questions: [
Question(name: "foo", type: .host),
Question(name: "bar", type: .host),
])
let response = try await handler.answer(query: query)
#expect(.formatError == response?.returnCode)
#expect(2 == response?.id)
#expect(.response == response?.type)
#expect(2 == response?.questions.count)
#expect("foo" == response?.questions[0].name)
#expect(.host == response?.questions[0].type)
#expect("bar" == response?.questions[1].name)
#expect(.host == response?.questions[1].type)
#expect(0 == response?.answers.count)
}
@Test func testSuccessfulValidation() async throws {
let fooHandler = FooHandler()
let handler = StandardQueryValidator(handler: fooHandler)
let query = Message(
id: UInt16(2),
type: .query,
questions: [
Question(name: "foo", type: .host)
])
let response = try await handler.answer(query: query)
#expect(.noError == response?.returnCode)
#expect(2 == response?.id)
#expect(.response == response?.type)
#expect(1 == response?.questions.count)
#expect("foo" == response?.questions[0].name)
#expect(.host == response?.questions[0].type)
#expect(1 == response?.answers.count)
let answer = response?.answers[0] as? HostRecord<IPv4>
#expect(IPv4("1.2.3.4") == answer?.ip)
}
}