vtcode 0.98.7

A Rust-based terminal coding agent with modular architecture supporting multiple LLM providers
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//! Focused test for LLM provider functionality

use vtcode_core::config::constants::models;
use vtcode_core::config::types::VerbosityLevel;
use vtcode_core::llm::{
    factory::{LLMFactory, create_provider_for_model},
    provider::{LLMProvider, LLMRequest, Message, MessageRole},
    providers::{
        AnthropicProvider, GeminiProvider, LmStudioProvider, MoonshotProvider, OllamaProvider,
        OpenAIProvider, OpenRouterProvider,
    },
};

#[test]
fn test_provider_factory_basic() {
    let factory = LLMFactory::new();
    // Test available providers
    let providers = factory.list_providers();
    assert!(providers.contains(&"gemini".to_string()));
    assert!(providers.contains(&"openai".to_string()));
    assert!(providers.contains(&"anthropic".to_string()));
    assert!(providers.contains(&"copilot".to_string()));
    assert!(providers.contains(&"openrouter".to_string()));
    assert!(providers.contains(&"moonshot".to_string()));
    assert!(providers.contains(&"deepseek".to_string()));
    assert!(providers.contains(&"zai".to_string()));
    assert!(providers.contains(&"ollama".to_string()));
    assert!(providers.contains(&"lmstudio".to_string()));
    assert!(providers.contains(&"minimax".to_string()));
    assert!(providers.contains(&"huggingface".to_string()));
    assert!(providers.contains(&"openresponses".to_string()));
}

#[test]
fn test_provider_auto_detection() {
    let factory = LLMFactory::new();

    assert_eq!(
        factory.provider_from_model("gpt-oss-20b"),
        Some("openai".to_string())
    );
    assert_eq!(
        factory.provider_from_model(models::CLAUDE_SONNET_4_6),
        Some("anthropic".to_string())
    );
    assert_eq!(
        factory.provider_from_model("claude-sonnet-4-20250514"),
        Some("anthropic".to_string())
    );
    assert_eq!(
        factory.provider_from_model("gemini-3-flash-preview"),
        Some("gemini".to_string())
    );
    assert_eq!(
        factory.provider_from_model(models::OPENROUTER_QWEN3_CODER),
        Some("openrouter".to_string())
    );
    assert_eq!(
        factory.provider_from_model("kimi-k2.5"),
        Some("moonshot".to_string())
    );
    assert_eq!(
        factory.provider_from_model(models::lmstudio::META_LLAMA_31_8B_INSTRUCT),
        Some("lmstudio".to_string())
    );
    assert_eq!(factory.provider_from_model("unknown-model"), None);
}

#[test]
fn test_unified_client_creation() {
    // Test creating providers directly using the factory
    let gemini =
        create_provider_for_model("gemini-3-flash-preview", "test_key".to_string(), None, None);
    assert!(gemini.is_ok());

    let openai = create_provider_for_model(models::GPT_OSS_20B, "test_key".to_string(), None, None);
    assert!(openai.is_ok());

    let anthropic = create_provider_for_model(
        models::CLAUDE_SONNET_4_6,
        "test_key".to_string(),
        None,
        None,
    );
    assert!(anthropic.is_ok());

    let openrouter = create_provider_for_model(
        models::OPENROUTER_QWEN3_CODER,
        "test_key".to_string(),
        None,
        None,
    );
    assert!(openrouter.is_ok());

    let moonshot = create_provider_for_model("kimi-k2.5", "test_key".to_string(), None, None);
    assert!(moonshot.is_ok());

    let ollama =
        create_provider_for_model(models::ollama::DEFAULT_MODEL, String::new(), None, None);
    assert!(ollama.is_ok());

    let lmstudio =
        create_provider_for_model(models::lmstudio::DEFAULT_MODEL, String::new(), None, None);
    assert!(lmstudio.is_ok());
}

#[test]
fn test_message_creation() {
    let user_msg = Message::user("Hello".to_string());
    assert_eq!(user_msg.content.as_text(), "Hello");
    assert!(matches!(user_msg.role, MessageRole::User));

    let assistant_msg = Message::assistant("Hi".to_string());
    assert_eq!(assistant_msg.content.as_text(), "Hi");
    assert!(matches!(assistant_msg.role, MessageRole::Assistant));
}

#[test]
fn test_provider_names() {
    let gemini = GeminiProvider::new("test_key".to_string());
    assert_eq!(gemini.name(), "gemini");

    let openai = OpenAIProvider::new("test_key".to_string());
    assert_eq!(openai.name(), "openai");

    let anthropic = AnthropicProvider::new("test_key".to_string());
    assert_eq!(anthropic.name(), "anthropic");

    let openrouter = OpenRouterProvider::new("test_key".to_string());
    assert_eq!(openrouter.name(), "openrouter");

    let moonshot = MoonshotProvider::new("test_key".to_string());
    assert_eq!(moonshot.name(), "moonshot");

    let ollama = OllamaProvider::new(String::new());
    assert_eq!(ollama.name(), "ollama");

    let lmstudio = LmStudioProvider::new(String::new());
    assert_eq!(lmstudio.name(), "lmstudio");
}

#[test]
fn test_anthropic_tool_message_handling() {
    let anthropic = AnthropicProvider::new("test_key".to_string());

    // Test that tool messages are converted to user messages for Anthropic
    let tool_message = Message::tool_response("call_1".to_string(), "Tool result".to_string());

    let request = LLMRequest {
        messages: vec![tool_message],
        model: models::CLAUDE_SONNET_4_6.to_string(),
        verbosity: Some(VerbosityLevel::default()),
        ..Default::default()
    };

    // Validate request shape instead of internal conversion
    assert!(anthropic.validate_request(&request).is_ok());
}