SystemInstructions.swift

// Copyright 2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

import GoogleGenerativeAI
import XCTest

// Set up your API Key
// ====================
// To use the Gemini API, you'll need an API key. To learn more, see the "Set up your API Key"
// section in the Gemini API quickstart:
// https://ai.google.dev/gemini-api/docs/quickstart?lang=swift#set-up-api-key

@available(iOS 15.0, macOS 11.0, macCatalyst 15.0, *)
final class SystemInstructionsSnippets: XCTestCase {
  override func setUpWithError() throws {
    try XCTSkipIf(
      APIKey.default.isEmpty,
      "`\(APIKey.apiKeyEnvVar)` environment variable not set."
    )
  }

  func testSystemInstruction() {
    // [START system_instruction]
    let generativeModel =
      GenerativeModel(
        // Specify a model that supports system instructions, like a Gemini 1.5 model
        name: "gemini-1.5-flash",
        // Access your API key from your on-demand resource .plist file (see "Set up your API key"
        // above)
        apiKey: APIKey.default,
        systemInstruction: ModelContent(role: "system", parts: "You are a cat. Your name is Neko.")
      )
    // [END system_instruction]

    // Added to silence the compiler warning about unused variable.
    let _ = String(describing: generativeModel)
  }
}