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import XCTest
@testable import DomainDig
/// Characterization tests for the snapshot → report projection. These lock the
/// field-mapping and derivation rules the export/diff contracts depend on.
final class DomainReportBuilderTests: XCTestCase {
private let builder = DomainReportBuilder()
func testCoreIdentityFieldsPassThrough() {
let report = builder.build(
from: SnapshotFixture.snapshot(
domain: "mapped.example",
resolverURLString: "https://r.example/dns-query"
),
deriveChangeSummary: false
)
XCTAssertEqual(report.domain, "mapped.example")
XCTAssertEqual(report.timestamp, SnapshotFixture.referenceDate)
XCTAssertEqual(report.resolverURLString, "https://r.example/dns-query")
XCTAssertFalse(report.metadata.schemaVersion.isEmpty)
}
func testAvailabilityDefaultsToUnknownWhenAbsent() {
let unknown = builder.build(from: SnapshotFixture.snapshot(availability: nil), deriveChangeSummary: false)
XCTAssertEqual(unknown.availability, .unknown)
let registered = builder.build(from: SnapshotFixture.snapshot(availability: .registered), deriveChangeSummary: false)
XCTAssertEqual(registered.availability, .registered)
}
func testPrimaryIPComesFromFirstARecord() {
let report = builder.build(
from: SnapshotFixture.snapshot(
dnsSections: [
SnapshotFixture.dnsSection(type: .A, values: ["198.51.100.7", "198.51.100.8"]),
SnapshotFixture.dnsSection(type: .AAAA, values: ["2001:db8::1"])
]
),
deriveChangeSummary: false
)
XCTAssertEqual(report.dns.primaryIP, "198.51.100.7")
XCTAssertEqual(report.network.primaryIP, "198.51.100.7")
}
func testPrimaryIPNilWithoutARecord() {
let report = builder.build(
from: SnapshotFixture.snapshot(
dnsSections: [SnapshotFixture.dnsSection(type: .MX, values: ["mail.example.com"])]
),
deriveChangeSummary: false
)
XCTAssertNil(report.dns.primaryIP)
}
func testDNSSECDerivedFromSections() {
let signed = builder.build(
from: SnapshotFixture.snapshot(
dnsSections: [SnapshotFixture.dnsSection(type: .A, values: ["203.0.113.1"], dnssecSigned: true)]
),
deriveChangeSummary: false
)
XCTAssertEqual(signed.dns.dnssecSigned, true)
let unknown = builder.build(
from: SnapshotFixture.snapshot(
dnsSections: [SnapshotFixture.dnsSection(type: .A, values: ["203.0.113.1"])]
),
deriveChangeSummary: false
)
XCTAssertNil(unknown.dns.dnssecSigned)
}
func testTLSStatusReflectsCertificatePresence() {
let valid = builder.build(
from: SnapshotFixture.snapshot(sslInfo: SnapshotFixture.certificate()),
deriveChangeSummary: false
)
XCTAssertEqual(valid.web.tlsStatus, "valid")
let missing = builder.build(from: SnapshotFixture.snapshot(sslInfo: nil), deriveChangeSummary: false)
XCTAssertEqual(missing.web.tlsStatus, "unavailable")
}
func testWebHeaderCountAndFinalURL() {
let report = builder.build(
from: SnapshotFixture.snapshot(
httpHeaders: [
HTTPHeader(name: "Content-Type", value: "text/html"),
HTTPHeader(name: "Strict-Transport-Security", value: "max-age=63072000")
],
httpStatusCode: 200
),
deriveChangeSummary: false
)
XCTAssertEqual(report.web.headerCount, 2)
XCTAssertEqual(report.web.statusCode, 200)
XCTAssertNil(report.web.finalURL, "no redirect chain means no final URL")
}
func testPartialSnapshotAndValidationIssuesPropagate() {
let report = builder.build(
from: SnapshotFixture.snapshot(
isPartialSnapshot: true,
validationIssues: ["missing DNS", "stale WHOIS"]
),
deriveChangeSummary: false
)
XCTAssertTrue(report.isPartialSnapshot)
XCTAssertEqual(report.validationIssues, ["missing DNS", "stale WHOIS"])
XCTAssertTrue(report.metadata.isPartialSnapshot)
XCTAssertEqual(report.metadata.validationIssues, ["missing DNS", "stale WHOIS"])
}
func testRecordSectionsArePreserved() {
let sections = [
SnapshotFixture.dnsSection(type: .A, values: ["203.0.113.1"]),
SnapshotFixture.dnsSection(type: .MX, values: ["mail.example.com"])
]
let report = builder.build(
from: SnapshotFixture.snapshot(dnsSections: sections),
deriveChangeSummary: false
)
XCTAssertEqual(Set(report.dns.recordSections.map(\.recordType)), [.A, .MX])
}
}
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