conjure/Tests/ConjureKitTests/EmojiPickerTests.swift

import AppKit
import ConjureKit
import Testing
@testable import Conjure

@Test @MainActor func emojiPickerNavigatesCopiesAndRemembersRecentSelections() throws {
    _ = NSApplication.shared
    let suite = "ConjureEmoji.\(UUID().uuidString)"
    let defaults = UserDefaults(suiteName: suite)!
    let pasteboard = NSPasteboard.withUniqueName()
    defer {
        defaults.removePersistentDomain(forName: suite)
        pasteboard.releaseGlobally()
    }
    var query = "face"
    var closed = false
    var pasteRequests = 0
    let picker = EmojiPickerController(defaults: defaults, pasteboard: pasteboard)
    picker.input = { query }
    picker.closed = { closed = true }
    picker.pasteRequested = {
        #expect(closed)
        #expect(pasteboard.string(forType: .string) == EmojiCatalog.search(query)[1].value)
        pasteRequests += 1
    }
    _ = picker.view
    let matches = EmojiCatalog.search(query)
    #expect(picker.handle(#selector(NSResponder.moveRight(_:))))
    #expect(picker.handle(#selector(NSResponder.insertNewline(_:))))
    #expect(pasteboard.string(forType: .string) == matches[1].value)
    #expect(closed)
    #expect(pasteRequests == 1)
    #expect(defaults.stringArray(forKey: "recentEmoji") == [matches[1].value])

    closed = false
    query = "no-such-emoji"
    picker.inputChanged()
    picker.copyAndPasteSelection()
    #expect(!closed)
    #expect(pasteboard.string(forType: .string) == matches[1].value)
    #expect(pasteRequests == 1)
    query = "👩‍💻"
    picker.inputChanged()
    picker.copySelection()
    #expect(pasteboard.string(forType: .string) == "👩‍💻")
    #expect(pasteRequests == 1)

    let reopened = EmojiPickerController(defaults: defaults, pasteboard: pasteboard)
    _ = reopened.view
    reopened.copySelection()
    #expect(pasteboard.string(forType: .string) == "👩‍💻")
    #expect(defaults.stringArray(forKey: "recentEmoji") == ["👩‍💻", matches[1].value])
}

@Test @MainActor func emojiActionsDefaultToPasteAndKeepCopyOnlyAvailable() throws {
    _ = NSApplication.shared
    let suite = "ConjureEmojiActions.\(UUID().uuidString)"
    let defaults = UserDefaults(suiteName: suite)!
    let pasteboard = NSPasteboard.withUniqueName()
    defer { defaults.removePersistentDomain(forName: suite); pasteboard.releaseGlobally() }
    let picker = EmojiPickerController(defaults: defaults, pasteboard: pasteboard)
    picker.input = { "👩‍💻" }
    var pasteRequests = 0
    picker.pasteRequested = { pasteRequests += 1 }
    let window = NSWindow(contentRect: NSRect(x: 0, y: 0, width: 750, height: 400),
                          styleMask: [.borderless], backing: .buffered, defer: false)
    window.contentView = picker.view
    picker.showActions()
    #expect(picker.handle(#selector(NSResponder.insertNewline(_:))))
    #expect(pasteboard.string(forType: .string) == "👩‍💻")
    #expect(pasteRequests == 1)

    pasteboard.clearContents()
    picker.showActions()
    #expect(picker.handle(#selector(NSResponder.moveDown(_:))))
    #expect(picker.handle(#selector(NSResponder.insertNewline(_:))))
    #expect(pasteboard.string(forType: .string) == "👩‍💻")
    #expect(pasteRequests == 1)

    picker.showActions()
    #expect(picker.handle(#selector(NSResponder.moveDown(_:))))
    #expect(picker.handle(#selector(NSResponder.moveDown(_:))))
    #expect(picker.handle(#selector(NSResponder.insertNewline(_:))))
    #expect(defaults.stringArray(forKey: "favoriteEmoji") == ["👩‍💻"])
    #expect(pasteRequests == 1)
}

@Test @MainActor func emojiCommandRestoresLauncherSearchOnEscape() throws {
    _ = NSApplication.shared
    let suite = "ConjureEmojiCommand.\(UUID().uuidString)"
    let defaults = UserDefaults(suiteName: suite)!
    defer { defaults.removePersistentDomain(forName: suite) }
    let history = LaunchHistory(defaults: defaults, now: { Date(timeIntervalSinceReferenceDate: 12_000) })
    let launcher = LauncherWindowController(history: history)
    let content = try #require(launcher.window?.contentView)
    func descendants(_ view: NSView) -> [NSView] { [view] + view.subviews.flatMap(descendants) }
    let search = try #require(descendants(content).compactMap { $0 as? NSSearchField }.first)
    search.stringValue = "emoji"
    launcher.controlTextDidChange(Notification(name: NSControl.textDidChangeNotification, object: search))
    _ = launcher.control(search, textView: NSTextView(), doCommandBy: #selector(NSResponder.insertNewline(_:)))
    let grid = try #require(descendants(content).compactMap { $0 as? NSCollectionView }.first)
    search.stringValue = ":woman_technologist:"
    launcher.controlTextDidChange(Notification(name: NSControl.textDidChangeNotification, object: search))
    #expect(grid.numberOfItems(inSection: 0) == 1)
    #expect((grid.dataSource?.collectionView(grid, itemForRepresentedObjectAt: IndexPath(item: 0, section: 0)).view as? NSButton)?.title == "👩‍💻")
    _ = launcher.control(search, textView: NSTextView(), doCommandBy: #selector(NSResponder.cancelOperation(_:)))
    #expect(!descendants(content).contains { $0 === grid })
    #expect(search.stringValue == "emoji")
    let table = try #require(descendants(content).compactMap { $0 as? NSTableView }.first)
    #expect(table.numberOfRows == 1)
}

@Test @MainActor func emojiFavoritesPersistAndNavigationCrossesTheSpacingBreak() throws {
    _ = NSApplication.shared
    let suite = "ConjureEmojiFavorites.\(UUID().uuidString)"
    let defaults = UserDefaults(suiteName: suite)!
    let pasteboard = NSPasteboard.withUniqueName()
    defer { defaults.removePersistentDomain(forName: suite); pasteboard.releaseGlobally() }
    var query = "👩‍💻"
    let picker = EmojiPickerController(defaults: defaults, pasteboard: pasteboard)
    picker.input = { query }
    picker.view.frame = NSRect(x: 0, y: 0, width: 750, height: 400)
    picker.toggleFavorite()
    #expect(defaults.stringArray(forKey: "favoriteEmoji") == ["👩‍💻"])
    query = ""
    picker.inputChanged()
    picker.view.layoutSubtreeIfNeeded()
    let grid = try #require(picker.view.subviews.compactMap { $0 as? NSScrollView }.first?.documentView as? NSCollectionView)
    #expect(grid.numberOfSections == 2)
    #expect(grid.numberOfItems(inSection: 0) == 1)
    #expect(picker.handleControlKey("j"))
    picker.copySelection()
    #expect(pasteboard.string(forType: .string) == EmojiCatalog.all[0].value)
    #expect(picker.handleControlKey("k"))
    picker.copySelection()
    #expect(pasteboard.string(forType: .string) == "👩‍💻")
    #expect(picker.handleControlKey("l"))
    #expect(picker.handleControlKey("l"))
    #expect(picker.handleControlKey("h"))
    picker.copySelection()
    #expect(pasteboard.string(forType: .string) == EmojiCatalog.all[0].value)
    #expect(picker.handleControlKey("k"))
    picker.toggleFavorite()
    #expect(defaults.stringArray(forKey: "favoriteEmoji") == [])
    #expect(grid.numberOfSections == 1)
    query = "👩‍💻"
    picker.inputChanged()
    picker.toggleFavorite()
    let reopened = EmojiPickerController(defaults: defaults, pasteboard: pasteboard)
    _ = reopened.view
    reopened.copySelection()
    #expect(pasteboard.string(forType: .string) == "👩‍💻")
}