Add workaround to fix note language recognition and reduce wasteful translation requests

damusTests/Util/TranslatorTests.swift

@@ -0,0 +1,40 @@
+//
+//  TranslatorTests.swift
+//  damusTests
+//
+//  Created by Terry Yiu on 1/8/24.
+//
+
+import XCTest
+@testable import damus
+
+final class TranslatorTests: XCTestCase {
+
+    func testShouldTranslateWhenLanguagesAreDifferent() throws {
+        let userSettingsStore = UserSettingsStore()
+        userSettingsStore.translation_service = .purple
+        let translator = Translator(userSettingsStore, purple: DamusPurple(environment: .local_test, keypair: test_keypair))
+
+        XCTAssertTrue(translator.shouldTranslate(from: "en", to: "es"))
+        XCTAssertTrue(translator.shouldTranslate(from: "es", to: "fr"))
+    }
+
+    func testShouldNotTranslateWhenLanguagesAreTheSame() throws {
+        let userSettingsStore = UserSettingsStore()
+        userSettingsStore.translation_service = .purple
+        let translator = Translator(userSettingsStore, purple: DamusPurple(environment: .local_test, keypair: test_keypair))
+
+        XCTAssertFalse(translator.shouldTranslate(from: "en", to: "en"))
+        XCTAssertFalse(translator.shouldTranslate(from: "es", to: "es"))
+    }
+
+    func testShouldNotTranslateWhenNoTranslationServiceSelected() throws {
+        let userSettingsStore = UserSettingsStore()
+        userSettingsStore.translation_service = .none
+        let translator = Translator(userSettingsStore, purple: DamusPurple(environment: .local_test, keypair: test_keypair))
+
+        XCTAssertFalse(translator.shouldTranslate(from: "en", to: "es"))
+        XCTAssertFalse(translator.shouldTranslate(from: "es", to: "fr"))
+    }
+
+}