Function TEST_P

tests/integration/tool_calling_integration_test.cpp:165–195

Test single tool calling

// Test single tool calling
TEST_P(ToolCallingIntegrationTest, SingleToolCall) {
  if (!use_real_api_) {
    GTEST_SKIP() << "No API key set for " << GetParam();
  }

  GenerateOptions options(model_, "What's the weather like in San Francisco?");
  options.tools = tools_;
  options.max_tokens = 200;

  auto result = client_->generate_text(options);

  // Result should be successful, though text might be empty if only tool calls
  // are returned
  EXPECT_TRUE(result.is_success())
      << "Expected successful result but got error: " << result.error_message();
  EXPECT_FALSE(result.error.has_value())
      << "Expected no error in successful result";

  // Should have called the weather tool
  EXPECT_TRUE(result.has_tool_calls());
  EXPECT_GT(result.tool_calls.size(), 0);

  auto weather_call = std::find_if(
      result.tool_calls.begin(), result.tool_calls.end(),
      [](const ToolCall& call) { return call.tool_name == "weather"; });
  EXPECT_NE(weather_call, result.tool_calls.end());

  if (weather_call != result.tool_calls.end()) {
    EXPECT_TRUE(weather_call->arguments.contains("location"));
  }
}

// Test multiple tool calls in one request
TEST_P(ToolCallingIntegrationTest, MultipleDifferentToolCalls) {