feat: add TextInserter with clipboard restore and PassthroughCleaner

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
2026-10-01 09:42:03 +02:00
parent 6ab94cfdd0
commit 7d24f3e874
4 changed files with 174 additions and 0 deletions
@@ -0,0 +1,63 @@
+import Foundation
+import Testing
+@testable import SstCore
+
+final class FakePasteboard: PasteboardProviding {
+    var items: [PasteboardItem] = []
+
+    func readItems() -> [PasteboardItem] { items }
+    func writeString(_ text: String) {
+        items = [["public.utf8-plain-text": Data(text.utf8)]]
+    }
+    func writeItems(_ items: [PasteboardItem]) { self.items = items }
+}
+
+final class FakePaster: KeystrokePosting {
+    var shouldFail = false
+    var onPaste: (() -> Void)?
+    private(set) var pasteCount = 0
+
+    func postPaste() throws {
+        pasteCount += 1
+        if shouldFail { throw TestError() }
+        onPaste?()
+    }
+}
+
+struct TextInserterTests {
+    let pasteboard = FakePasteboard()
+    let paster = FakePaster()
+
+    func makeInserter() -> TextInserter {
+        TextInserter(pasteboard: pasteboard, paster: paster, restoreDelay: .zero)
+    }
+
+    @Test func pastesTextThenRestoresPreviousClipboard() async throws {
+        let original: [PasteboardItem] = [["public.utf8-plain-text": Data("oud".utf8)]]
+        pasteboard.items = original
+        var seenAtPaste: Data?
+        paster.onPaste = { seenAtPaste = pasteboard.items.first?["public.utf8-plain-text"] }
+
+        try await makeInserter().insert("hallo")
+
+        #expect(seenAtPaste == Data("hallo".utf8))
+        #expect(paster.pasteCount == 1)
+        #expect(pasteboard.items == original)
+    }
+
+    @Test func failedPasteLeavesTextOnClipboard() async {
+        pasteboard.items = [["public.utf8-plain-text": Data("oud".utf8)]]
+        paster.shouldFail = true
+
+        await #expect(throws: TestError.self) {
+            try await makeInserter().insert("hallo")
+        }
+
+        #expect(pasteboard.items.first?["public.utf8-plain-text"] == Data("hallo".utf8))
+    }
+
+    @Test func passthroughCleanerReturnsTextUnchanged() async throws {
+        let result = try await PassthroughCleaner().clean("hoi", context: CleaningContext())
+        #expect(result == "hoi")
+    }
+}