import Loggingimport Testing@testable import CodexBarCore @Suite(.serialized)struct CodexBarLoggingPerformanceTests { @Test func `filtered log messages are not evaluated`() { let probe = LogEvaluationProbe() let logger = CodexBarLogger(minimumLevel: .info) { _, message, _ in probe.loggedMessages.append(message) } logger.debug(probe.expensiveMessage()) #expect(probe.evaluations == 0) #expect(probe.loggedMessages.isEmpty) logger.info(probe.expensiveMessage()) #expect(probe.evaluations == 1) #expect(probe.loggedMessages == ["evaluated"]) } @Test func `disabled file logging does not format metadata`() { let sink = FileLogSink() var handler = FileLogHandler(label: "test", sink: sink) let probe = LogEvaluationProbe() handler[metadataKey: "expensive"] = .stringConvertible(ExpensiveMetadataValue { probe.evaluations += 1 }) handler.log(event: LogEvent( level: .info, message: "hello", metadata: nil, source: "test", file: #filePath, function: #function, line: #line)) #expect(probe.evaluations == 0) } @Test func `redactor leaves ordinary log lines unchanged`() { let line = "CodexBar starting version=1.2.3 build=456" #expect(LogRedactor.redact(line) == line) } @Test func `redactor still redacts sensitive log lines`() { let line = "Authorization: Bearer secret-token\nContact: user@example.com" let redacted = LogRedactor.redact(line) #expect(redacted.contains("secret-token") == false) #expect(redacted.contains("user@example.com") == false) #expect(redacted.contains("Authorization: <redacted>")) #expect(redacted.contains("<redacted-email>")) }} private final class LogEvaluationProbe: @unchecked Sendable { var evaluations = 0 var loggedMessages: [String] = [] func expensiveMessage() -> String { self.evaluations += 1 return "evaluated" }} private struct ExpensiveMetadataValue: CustomStringConvertible, Sendable { let onRender: @Sendable () -> Void var description: String { self.onRender() return "rendered" }}
import Logging
import Testing
@testable import CodexBarCore
@Suite(.serialized)
struct CodexBarLoggingPerformanceTests {
@Test
func `filtered log messages are not evaluated`() {
let probe = LogEvaluationProbe()
let logger = CodexBarLogger(minimumLevel: .info) { _, message, _ in
probe.loggedMessages.append(message)
}
logger.debug(probe.expensiveMessage())
#expect(probe.evaluations == 0)
#expect(probe.loggedMessages.isEmpty)
logger.info(probe.expensiveMessage())
#expect(probe.evaluations == 1)
#expect(probe.loggedMessages == ["evaluated"])
}
@Test
func `disabled file logging does not format metadata`() {
let sink = FileLogSink()
var handler = FileLogHandler(label: "test", sink: sink)
let probe = LogEvaluationProbe()
handler[metadataKey: "expensive"] = .stringConvertible(ExpensiveMetadataValue {
probe.evaluations += 1
})
handler.log(event: LogEvent(
level: .info,
message: "hello",
metadata: nil,
source: "test",
file: #filePath,
function: #function,
line: #line))
#expect(probe.evaluations == 0)
}
@Test
func `redactor leaves ordinary log lines unchanged`() {
let line = "CodexBar starting version=1.2.3 build=456"
#expect(LogRedactor.redact(line) == line)
}
@Test
func `redactor still redacts sensitive log lines`() {
let line = "Authorization: Bearer secret-token\nContact: user@example.com"
let redacted = LogRedactor.redact(line)
#expect(redacted.contains("secret-token") == false)
#expect(redacted.contains("user@example.com") == false)
#expect(redacted.contains("Authorization: <redacted>"))
#expect(redacted.contains("<redacted-email>"))
}
}
private final class LogEvaluationProbe: @unchecked Sendable {
var evaluations = 0
var loggedMessages: [String] = []
func expensiveMessage() -> String {
self.evaluations += 1
return "evaluated"
}
}
private struct ExpensiveMetadataValue: CustomStringConvertible, Sendable {
let onRender: @Sendable () -> Void
var description: String {
self.onRender()
return "rendered"
}
}