style: match Raycast notes window

Tests/ConjureKitTests/NotesEditingTests.swift

@@ -21,8 +21,6 @@ func notesSwitchWithoutLeakingEditsUndoOrAttachmentsAndRestoreSelection() throws
     let views = descendants(controller.view)
     let editor = try #require(views.compactMap { $0 as? NSTextView }.first)
     let browse = try #require(views.compactMap { $0 as? NSButton }.first { $0.title == "Browse Notes" })
-    #expect(browse.keyEquivalent == "p")
-    #expect(!views.compactMap { $0 as? NSButton }.contains { $0.title == "New Note" })
     func selectedID() throws -> UUID { try #require(defaults.string(forKey: "selectedNote").flatMap(UUID.init(uuidString:))) }
     func picker(_ tool: NotesController) throws -> NSSearchField {
         try #require(descendants(tool.view).compactMap { $0 as? NSSearchField }.first { $0.accessibilityLabel() == "Search notes" })
@@ -54,7 +52,6 @@ func notesSwitchWithoutLeakingEditsUndoOrAttachmentsAndRestoreSelection() throws
     #expect(!controller.handleControlKey("j"))
     #expect(!controller.handle(#selector(NSResponder.insertNewline(_:))))
     editor.insertText("# Second 🦊\n**bold** and `code`", replacementRange: editor.selectedRange())
-    #expect((editor.textStorage?.attribute(.font, at: 0, effectiveRange: nil) as? NSFont)?.pointSize == 17)
     let codeRange = (editor.string as NSString).range(of: "`code`")
     let codeFont = try #require(editor.textStorage?.attribute(.font, at: codeRange.location, effectiveRange: nil) as? NSFont)
     #expect(codeFont.isFixedPitch)
@@ -99,7 +96,6 @@ func notesSwitchWithoutLeakingEditsUndoOrAttachmentsAndRestoreSelection() throws
     #expect(reopenedEditor.string == first.contents.string)
     // Removing Markdown must also remove its previous visual style without changing the source.
     reopenedEditor.insertText("Plain text", replacementRange: NSRange(location: 0, length: reopenedEditor.string.utf16.count))
-    #expect((reopenedEditor.textStorage?.attribute(.font, at: 0, effectiveRange: nil) as? NSFont)?.pointSize == 14)
     #expect(reopenedEditor.string == "Plain text")
     let backup = directory.appendingPathExtension("backup")
     defer { try? FileManager.default.removeItem(at: backup) }
@@ -183,7 +179,6 @@ func notesLauncherRoutesShortcutsAndTearsDownPickersWithoutTakingEditorNavigatio
     let picker = try search("Search notes")
     let table = try #require(descendants(content).compactMap { $0 as? NSTableView }.first { $0.accessibilityLabel() == "Notes" })
     #expect(window.firstResponder === picker.currentEditor())
-    #expect(browse.superview?.isAccessibilityHidden() == true)
     #expect(tool.handle(#selector(NSResponder.moveUp(_:))))
     window.sendEvent(try key("j", code: 38, flags: .control))
     #expect(table.selectedRow == 1)
@@ -1282,3 +1277,74 @@ func typingMarkersBeforeExistingWhitespaceWaitsForAnExplicitSeparator() throws {
         }
     }
 }
+
+@Test @MainActor
+func notesFormattingPreservesAttachmentsMarkdownSelectionAndUndo() throws {
+    _ = NSApplication.shared
+    let directory = FileManager.default.temporaryDirectory.appendingPathComponent(UUID().uuidString)
+    let suite = "NotesFormatting.\(UUID().uuidString)"
+    let defaults = try #require(UserDefaults(suiteName: suite))
+    defer {
+        try? FileManager.default.removeItem(at: directory)
+        defaults.removePersistentDomain(forName: suite)
+    }
+    let controller = NotesController(defaults: defaults, directory: directory)
+    let window = NSWindow(contentRect: NSRect(x: 0, y: 0, width: 570, height: 404),
+                          styleMask: [.borderless], backing: .buffered, defer: false)
+    window.contentViewController = controller
+    defer { _ = controller.close(); window.orderOut(nil) }
+    func descendants(_ view: NSView) -> [NSView] { [view] + view.subviews.flatMap(descendants) }
+    let views = descendants(controller.view)
+    let editor = try #require(views.compactMap { $0 as? NotesTextView }.first)
+    func click(_ label: String) throws {
+        let button = try #require(views.compactMap { $0 as? NSButton }.first { $0.accessibilityLabel() == label })
+        button.performClick(nil)
+    }
+    window.makeFirstResponder(editor)
+    editor.insertText("🦊 first\nsecond\nuntouched", replacementRange: editor.selectedRange())
+    let selection = NSRange(location: 0, length: "🦊 first\nsecond\n".utf16.count)
+    editor.setSelectedRange(selection)
+    try click("Bullet list")
+    #expect(editor.markdownString == "- 🦊 first\n- second\nuntouched")
+    try click("Ordered list")
+    #expect(editor.markdownString == "1. 🦊 first\n2. second\nuntouched")
+    try click("Checklist")
+    #expect(editor.markdownString == "- [ ] 🦊 first\n- [ ] second\nuntouched")
+    try click("Checklist")
+    #expect(editor.markdownString == "🦊 first\nsecond\nuntouched")
+    let originalSelection = editor.selectedRange()
+    try click("Bold")
+    #expect(editor.markdownString == "**🦊 first\nsecond\n**untouched")
+    try click("Bold")
+    #expect(editor.markdownString == "🦊 first\nsecond\nuntouched")
+    #expect(editor.selectedRange() == originalSelection)
+    editor.setSelectedRange(NSRange(location: 3, length: 0))
+    try click("Code block")
+    #expect(editor.markdownString == "```\n🦊 first\n```\nsecond\nuntouched")
+    try click("Code block")
+    #expect(editor.markdownString == "🦊 first\nsecond\nuntouched")
+    editor.setSelectedRange(NSRange(location: editor.string.utf16.count, length: 0))
+    let bitmap = try #require(NSBitmapImageRep(bitmapDataPlanes: nil, pixelsWide: 1, pixelsHigh: 1,
+        bitsPerSample: 8, samplesPerPixel: 4, hasAlpha: true, isPlanar: false,
+        colorSpaceName: .deviceRGB, bytesPerRow: 0, bitsPerPixel: 0))
+    bitmap.setColor(.red, atX: 0, y: 0)
+    let file = FileWrapper(regularFileWithContents: try #require(bitmap.representation(using: .png, properties: [:])))
+    file.preferredFilename = "pixel.png"
+    let attachment = NSTextAttachment(fileWrapper: file)
+    editor.insertText(NSAttributedString(attachment: attachment), replacementRange: editor.selectedRange())
+    editor.setSelectedRange(NSRange(location: 0, length: editor.string.utf16.count))
+    let before = editor.markdownString
+    editor.breakUndoCoalescing()
+    editor.undoManager?.removeAllActions()
+    try click("Quote")
+    try #require(editor.markdownString == "> 🦊 first\n> second\n> untouched\u{fffc}")
+    #expect(editor.markdownContents.attribute(.attachment, at: editor.markdownContents.length - 1, effectiveRange: nil) is NSTextAttachment)
+    editor.undoManager?.endUndoGrouping()
+    editor.undoManager?.undo()
+    try #require(editor.markdownString == before)
+    #expect(editor.markdownContents.attribute(.attachment, at: editor.markdownContents.length - 1, effectiveRange: nil) is NSTextAttachment)
+    #expect(controller.save())
+    let saved = try #require(NotesStore(directory: directory).notes.first)
+    #expect(saved.contents.string == before)
+    #expect(saved.contents.attribute(.attachment, at: saved.contents.length - 1, effectiveRange: nil) is NSTextAttachment)
+}