Revert "Introduce a severity level for issues, and a 'warning' severity (swiftlang#931)"

This reverts commit 6a49142.

Author: stmontgomery

Sources/Testing/ABI/EntryPoints/ABIEntryPoint.swift

@@ -47,7 +47,7 @@ extension ABIv0 {
   /// callback.
   public static var entryPoint: EntryPoint {
     return { configurationJSON, recordHandler in
-      try await _entryPoint(
+      try await Testing.entryPoint(
         configurationJSON: configurationJSON,
         recordHandler: recordHandler
       ) == EXIT_SUCCESS
@@ -87,7 +87,7 @@ typealias ABIEntryPoint_v0 = @Sendable (
 @usableFromInline func copyABIEntryPoint_v0() -> UnsafeMutableRawPointer {
   let result = UnsafeMutablePointer<ABIEntryPoint_v0>.allocate(capacity: 1)
   result.initialize { configurationJSON, recordHandler in
-    try await _entryPoint(
+    try await entryPoint(
       configurationJSON: configurationJSON,
       eventStreamVersionIfNil: -1,
       recordHandler: recordHandler
@@ -104,7 +104,7 @@ typealias ABIEntryPoint_v0 = @Sendable (
 ///
 /// This function will be removed (with its logic incorporated into
 /// ``ABIv0/entryPoint-swift.type.property``) in a future update.
-private func _entryPoint(
+private func entryPoint(
   configurationJSON: UnsafeRawBufferPointer?,
   eventStreamVersionIfNil: Int? = nil,
   recordHandler: @escaping @Sendable (_ recordJSON: UnsafeRawBufferPointer) -> Void

Sources/Testing/ABI/EntryPoints/EntryPoint.swift

@@ -20,8 +20,6 @@ private import _TestingInternals
 ///     writes events to the standard error stream in addition to passing them
 ///     to this function.
 ///
-/// - Returns: An exit code representing the result of running tests.
-///
 /// External callers cannot call this function directly. The can use
 /// ``ABIv0/entryPoint-swift.type.property`` to get a reference to an ABI-stable
 /// version of this function.
@@ -42,7 +40,7 @@ func entryPoint(passing args: __CommandLineArguments_v0?, eventHandler: Event.Ha
 
     // Set up the event handler.
     configuration.eventHandler = { [oldEventHandler = configuration.eventHandler] event, context in
-      if case let .issueRecorded(issue) = event.kind, !issue.isKnown, issue.severity >= .error {
+      if case let .issueRecorded(issue) = event.kind, !issue.isKnown {
         exitCode.withLock { exitCode in
           exitCode = EXIT_FAILURE
         }
@@ -272,13 +270,6 @@ public struct __CommandLineArguments_v0: Sendable {
   /// The value(s) of the `--skip` argument.
   public var skip: [String]?
 
-  /// Whether or not to include tests with the `.hidden` trait when constructing
-  /// a test filter based on these arguments.
-  ///
-  /// This property is intended for use in testing the testing library itself.
-  /// It is not parsed as a command-line argument.
-  var includeHiddenTests: Bool?
-
   /// The value of the `--repetitions` argument.
   public var repetitions: Int?
 
@@ -287,13 +278,6 @@ public struct __CommandLineArguments_v0: Sendable {
 
   /// The value of the `--experimental-attachments-path` argument.
   public var experimentalAttachmentsPath: String?
-
-  /// Whether or not the experimental warning issue severity feature should be
-  /// enabled.
-  ///
-  /// This property is intended for use in testing the testing library itself.
-  /// It is not parsed as a command-line argument.
-  var isWarningIssueRecordedEventEnabled: Bool?
 }
 
 extension __CommandLineArguments_v0: Codable {
@@ -533,9 +517,6 @@ public func configurationForEntryPoint(from args: __CommandLineArguments_v0) thr
   filters.append(try testFilter(forRegularExpressions: args.skip, label: "--skip", membership: .excluding))
 
   configuration.testFilter = filters.reduce(.unfiltered) { $0.combining(with: $1) }
-  if args.includeHiddenTests == true {
-    configuration.testFilter.includeHiddenTests = true
-  }
 
   // Set up the iteration policy for the test run.
   var repetitionPolicy: Configuration.RepetitionPolicy = .once
@@ -566,22 +547,6 @@ public func configurationForEntryPoint(from args: __CommandLineArguments_v0) thr
   configuration.exitTestHandler = ExitTest.handlerForEntryPoint()
 #endif
 
-  // Warning issues (experimental).
-  if args.isWarningIssueRecordedEventEnabled == true {
-    configuration.eventHandlingOptions.isWarningIssueRecordedEventEnabled = true
-  } else {
-    switch args.eventStreamVersion {
-    case .some(...0):
-      // If the event stream version was explicitly specified to a value < 1,
-      // disable the warning issue event to maintain legacy behavior.
-      configuration.eventHandlingOptions.isWarningIssueRecordedEventEnabled = false
-    default:
-      // Otherwise the requested event stream version is ≥ 1, so don't change
-      // the warning issue event setting.
-      break
-    }
-  }
-
   return configuration
 }
 

Sources/Testing/ABI/v0/Encoded/ABIv0.EncodedIssue.swift

@@ -16,19 +16,6 @@ extension ABIv0 {
   /// assists in converting values to JSON; clients that consume this JSON are
   /// expected to write their own decoders.
   struct EncodedIssue: Sendable {
-    /// An enumeration representing the level of severity of a recorded issue.
-    ///
-    /// For descriptions of individual cases, see ``Issue/Severity-swift.enum``.
-    enum Severity: String, Sendable {
-      case warning
-      case error
-    }
-
-    /// The severity of this issue.
-    ///
-    /// - Warning: Severity is not yet part of the JSON schema.
-    var _severity: Severity
-
     /// Whether or not this issue is known to occur.
     var isKnown: Bool
 
@@ -46,11 +33,6 @@ extension ABIv0 {
     var _error: EncodedError?
 
     init(encoding issue: borrowing Issue, in eventContext: borrowing Event.Context) {
-      _severity = switch issue.severity {
-      case .warning: .warning
-      case .error: .error
-      }
-
       isKnown = issue.isKnown
       sourceLocation = issue.sourceLocation
       if let backtrace = issue.sourceContext.backtrace {
@@ -66,4 +48,3 @@ extension ABIv0 {
 // MARK: - Codable
 
 extension ABIv0.EncodedIssue: Codable {}
-extension ABIv0.EncodedIssue.Severity: Codable {}

Sources/Testing/ABI/v0/Encoded/ABIv0.EncodedMessage.swift

@@ -25,7 +25,6 @@ extension ABIv0 {
       case `default`
       case skip
       case pass
-      case passWithWarnings = "_passWithWarnings"
       case passWithKnownIssue
       case fail
       case difference
@@ -45,8 +44,6 @@ extension ABIv0 {
           } else {
             .pass
           }
-        case .passWithWarnings:
-          .passWithWarnings
         case .fail:
           .fail
         case .difference:

Sources/Testing/Events/Event.swift

@@ -290,7 +290,10 @@ extension Event {
     if let configuration = configuration ?? Configuration.current {
       // The caller specified a configuration, or the current task has an
       // associated configuration. Post to either configuration's event handler.
-      if configuration.eventHandlingOptions.shouldHandleEvent(self) {
+      switch kind {
+      case .expectationChecked where !configuration.deliverExpectationCheckedEvents:
+        break
+      default:
         configuration.handleEvent(self, in: context)
       }
     } else {

Sources/Testing/Events/Recorder/Event.ConsoleOutputRecorder.swift

@@ -162,8 +162,6 @@ extension Event.Symbol {
           return "\(_ansiEscapeCodePrefix)90m\(symbolCharacter)\(_resetANSIEscapeCode)"
         }
         return "\(_ansiEscapeCodePrefix)92m\(symbolCharacter)\(_resetANSIEscapeCode)"
-      case .passWithWarnings:
-        return "\(_ansiEscapeCodePrefix)93m\(symbolCharacter)\(_resetANSIEscapeCode)"
       case .fail:
         return "\(_ansiEscapeCodePrefix)91m\(symbolCharacter)\(_resetANSIEscapeCode)"
       case .warning:

Sources/Testing/Events/Recorder/Event.HumanReadableOutputRecorder.swift

@@ -56,9 +56,8 @@ extension Event {
         /// The instant at which the test started.
         var startInstant: Test.Clock.Instant
 
-        /// The number of issues recorded for the test, grouped by their
-        /// level of severity.
-        var issueCount: [Issue.Severity: Int] = [:]
+        /// The number of issues recorded for the test.
+        var issueCount = 0
 
         /// The number of known issues recorded for the test.
         var knownIssueCount = 0
@@ -115,36 +114,27 @@ extension Event.HumanReadableOutputRecorder {
   ///   - graph: The graph to walk while counting issues.
   ///
   /// - Returns: A tuple containing the number of issues recorded in `graph`.
-  private func _issueCounts(in graph: Graph<String, Event.HumanReadableOutputRecorder._Context.TestData?>?) -> (errorIssueCount: Int, warningIssueCount: Int, knownIssueCount: Int, totalIssueCount: Int, description: String) {
+  private func _issueCounts(in graph: Graph<String, Event.HumanReadableOutputRecorder._Context.TestData?>?) -> (issueCount: Int, knownIssueCount: Int, totalIssueCount: Int, description: String) {
     guard let graph else {
-      return (0, 0, 0, 0, "")
+      return (0, 0, 0, "")
     }
-    let errorIssueCount = graph.compactMap(\.value?.issueCount[.error]).reduce(into: 0, +=)
-    let warningIssueCount = graph.compactMap(\.value?.issueCount[.warning]).reduce(into: 0, +=)
+    let issueCount = graph.compactMap(\.value?.issueCount).reduce(into: 0, +=)
     let knownIssueCount = graph.compactMap(\.value?.knownIssueCount).reduce(into: 0, +=)
-    let totalIssueCount = errorIssueCount + warningIssueCount + knownIssueCount
+    let totalIssueCount = issueCount + knownIssueCount
 
     // Construct a string describing the issue counts.
-    let description = switch (errorIssueCount > 0, warningIssueCount > 0, knownIssueCount > 0) {
-    case (true, true, true):
-      " with \(totalIssueCount.counting("issue")) (including \(warningIssueCount.counting("warning")) and \(knownIssueCount.counting("known issue")))"
-    case (true, false, true):
+    let description = switch (issueCount > 0, knownIssueCount > 0) {
+    case (true, true):
       " with \(totalIssueCount.counting("issue")) (including \(knownIssueCount.counting("known issue")))"
-    case (false, true, true):
-      " with \(warningIssueCount.counting("warning")) and \(knownIssueCount.counting("known issue"))"
-    case (false, false, true):
+    case (false, true):
       " with \(knownIssueCount.counting("known issue"))"
-    case (true, true, false):
-      " with \(totalIssueCount.counting("issue")) (including \(warningIssueCount.counting("warning")))"
-    case (true, false, false):
+    case (true, false):
       " with \(totalIssueCount.counting("issue"))"
-    case(false, true, false):
-      " with \(warningIssueCount.counting("warning"))"
-    case(false, false, false):
+    case(false, false):
       ""
     }
 
-    return (errorIssueCount, warningIssueCount, knownIssueCount, totalIssueCount,  description)
+    return (issueCount, knownIssueCount, totalIssueCount,  description)
   }
 }
 
@@ -277,8 +267,7 @@ extension Event.HumanReadableOutputRecorder {
         if issue.isKnown {
           testData.knownIssueCount += 1
         } else {
-          let issueCount = testData.issueCount[issue.severity] ?? 0
-          testData.issueCount[issue.severity] = issueCount + 1
+          testData.issueCount += 1
         }
         context.testData[id] = testData
 
@@ -366,15 +355,15 @@ extension Event.HumanReadableOutputRecorder {
       let testData = testDataGraph?.value ?? .init(startInstant: instant)
       let issues = _issueCounts(in: testDataGraph)
       let duration = testData.startInstant.descriptionOfDuration(to: instant)
-      return if issues.errorIssueCount > 0 {
+      return if issues.issueCount > 0 {
         CollectionOfOne(
           Message(
             symbol: .fail,
             stringValue: "\(_capitalizedTitle(for: test)) \(testName) failed after \(duration)\(issues.description)."
           )
         ) + _formattedComments(for: test)
       } else {
-        [
+         [
           Message(
             symbol: .pass(knownIssueCount: issues.knownIssueCount),
             stringValue: "\(_capitalizedTitle(for: test)) \(testName) passed after \(duration)\(issues.description)."
@@ -411,19 +400,13 @@ extension Event.HumanReadableOutputRecorder {
         ""
       }
       let symbol: Event.Symbol
-      let subject: String
+      let known: String
       if issue.isKnown {
         symbol = .pass(knownIssueCount: 1)
-        subject = "a known issue"
+        known = " known"
       } else {
-        switch issue.severity {
-        case .warning:
-          symbol = .passWithWarnings
-          subject = "a warning"
-        case .error:
-          symbol = .fail
-          subject = "an issue"
-        }
+        symbol = .fail
+        known = "n"
       }
 
       var additionalMessages = [Message]()
@@ -452,13 +435,13 @@ extension Event.HumanReadableOutputRecorder {
       let primaryMessage: Message = if parameterCount == 0 {
         Message(
           symbol: symbol,
-          stringValue: "\(_capitalizedTitle(for: test)) \(testName) recorded \(subject)\(atSourceLocation): \(issue.kind)",
+          stringValue: "\(_capitalizedTitle(for: test)) \(testName) recorded a\(known) issue\(atSourceLocation): \(issue.kind)",
           conciseStringValue: String(describing: issue.kind)
         )
       } else {
         Message(
           symbol: symbol,
-          stringValue: "\(_capitalizedTitle(for: test)) \(testName) recorded \(subject) with \(parameterCount.counting("argument")) \(labeledArguments)\(atSourceLocation): \(issue.kind)",
+          stringValue: "\(_capitalizedTitle(for: test)) \(testName) recorded a\(known) issue with \(parameterCount.counting("argument")) \(labeledArguments)\(atSourceLocation): \(issue.kind)",
           conciseStringValue: String(describing: issue.kind)
         )
       }
@@ -515,7 +498,7 @@ extension Event.HumanReadableOutputRecorder {
       let runStartInstant = context.runStartInstant ?? instant
       let duration = runStartInstant.descriptionOfDuration(to: instant)
 
-      return if issues.errorIssueCount > 0 {
+      return if issues.issueCount > 0 {
         [
           Message(
             symbol: .fail,

Sources/Testing/Events/Recorder/Event.Symbol.swift

@@ -22,14 +22,10 @@ extension Event {
     /// The symbol to use when a test passes.
     ///
     /// - Parameters:
-    ///   - knownIssueCount: The number of known issues recorded for the test.
-    ///     The default value is `0`.
+    ///   - knownIssueCount: The number of known issues encountered by the end
+    ///     of the test.
     case pass(knownIssueCount: Int = 0)
 
-    /// The symbol to use when a test passes with one or more warnings.
-    @_spi(Experimental)
-    case passWithWarnings
-
     /// The symbol to use when a test fails.
     case fail
 
@@ -66,8 +62,6 @@ extension Event.Symbol {
       } else {
         ("\u{10105B}", "checkmark.diamond.fill")
       }
-    case .passWithWarnings:
-      ("\u{100123}", "questionmark.diamond.fill")
     case .fail:
       ("\u{100884}", "xmark.diamond.fill")
     case .difference:
@@ -128,9 +122,6 @@ extension Event.Symbol {
         // Unicode: HEAVY CHECK MARK
         return "\u{2714}"
       }
-    case .passWithWarnings:
-      // Unicode: QUESTION MARK
-      return "\u{003F}"
     case .fail:
       // Unicode: HEAVY BALLOT X
       return "\u{2718}"
@@ -166,9 +157,6 @@ extension Event.Symbol {
         // Unicode: SQUARE ROOT
         return "\u{221A}"
       }
-    case .passWithWarnings:
-      // Unicode: QUESTION MARK
-      return "\u{003F}"
     case .fail:
       // Unicode: MULTIPLICATION SIGN
       return "\u{00D7}"