rippy-cli 0.1.2

A shell command safety hook for AI coding tools (Claude Code, Cursor, Gemini CLI) — Rust rewrite of Dippy
Documentation 
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#![allow(clippy::unwrap_used)]

mod common;
use common::run_rippy;

// ---- Claude mode tests ----

#[test]
fn claude_allow_safe_command() {
    let json = r#"{"tool_name":"Bash","tool_input":{"command":"git status"}}"#;
    let (stdout, code) = run_rippy(json, "claude", &[]);
    assert_eq!(code, 0);
    let v: serde_json::Value = serde_json::from_str(&stdout).unwrap();
    assert_eq!(v["hookSpecificOutput"]["permissionDecision"], "allow");
}

#[test]
fn claude_ask_dangerous_command() {
    let json = r#"{"tool_name":"Bash","tool_input":{"command":"rm -rf /"}}"#;
    let (stdout, code) = run_rippy(json, "claude", &[]);
    assert_eq!(code, 2);
    let v: serde_json::Value = serde_json::from_str(&stdout).unwrap();
    assert_eq!(v["hookSpecificOutput"]["permissionDecision"], "ask");
}

#[test]
fn claude_pipeline_safe() {
    let json = r#"{"tool_name":"Bash","tool_input":{"command":"cat file | grep pattern | sort"}}"#;
    let (stdout, code) = run_rippy(json, "claude", &[]);
    assert_eq!(code, 0);
    let v: serde_json::Value = serde_json::from_str(&stdout).unwrap();
    assert_eq!(v["hookSpecificOutput"]["permissionDecision"], "allow");
}

#[test]
fn claude_git_push_asks() {
    let json = r#"{"tool_name":"Bash","tool_input":{"command":"git push origin main"}}"#;
    let (stdout, code) = run_rippy(json, "claude", &[]);
    assert_eq!(code, 2);
    let v: serde_json::Value = serde_json::from_str(&stdout).unwrap();
    assert_eq!(v["hookSpecificOutput"]["permissionDecision"], "ask");
}

// ---- Gemini mode tests ----

#[test]
fn gemini_allow_safe() {
    let json = r#"{"tool_name":"bash","tool_input":"ls -la"}"#;
    let (stdout, code) = run_rippy(json, "gemini", &[]);
    assert_eq!(code, 0);
    let v: serde_json::Value = serde_json::from_str(&stdout).unwrap();
    assert_eq!(v["decision"], "allow");
}

#[test]
fn gemini_deny_dangerous() {
    let json = r#"{"tool_name":"bash","tool_input":"rm -rf /"}"#;
    let (stdout, code) = run_rippy(json, "gemini", &[]);
    assert_eq!(code, 2);
    let v: serde_json::Value = serde_json::from_str(&stdout).unwrap();
    // Gemini maps Ask to deny
    assert_eq!(v["decision"], "deny");
}

// ---- Cursor mode tests ----

#[test]
fn cursor_allow_safe() {
    let json = r#"{"tool_name":"bash","command":"echo hello"}"#;
    let (stdout, code) = run_rippy(json, "cursor", &[]);
    assert_eq!(code, 0);
    let v: serde_json::Value = serde_json::from_str(&stdout).unwrap();
    assert_eq!(v["permission"], "allow");
}

// ---- Codex mode ----

#[test]
fn codex_mode_safe_command() {
    let json = r#"{"tool_name":"bash","tool_input":"ls -la"}"#;
    let (stdout, code) = run_rippy(json, "codex", &[]);
    assert_eq!(code, 0);
    let v: serde_json::Value = serde_json::from_str(&stdout).unwrap();
    assert_eq!(v["decision"], "allow");
}

#[test]
fn codex_mode_dangerous_command() {
    let json = r#"{"tool_name":"bash","tool_input":"rm -rf /"}"#;
    let (stdout, code) = run_rippy(json, "codex", &[]);
    assert_eq!(code, 2);
    let v: serde_json::Value = serde_json::from_str(&stdout).unwrap();
    assert_eq!(v["decision"], "deny");
}

// ---- PostToolUse ----

#[test]
fn post_tool_use_returns_allow() {
    let json =
        r#"{"tool_name":"Bash","tool_input":{"command":"ls"},"tool_result":{"output":"file.txt"}}"#;
    let (stdout, code) = run_rippy(json, "claude", &[]);
    assert_eq!(code, 0);
    let v: serde_json::Value = serde_json::from_str(&stdout).unwrap();
    assert_eq!(v["hookSpecificOutput"]["permissionDecision"], "allow");
}

// ---- Dippy backward compat ----

#[test]
fn dippy_config_file_loaded() {
    let dir = tempfile::tempdir().unwrap();
    let config_path = dir.path().join(".dippy");
    std::fs::write(&config_path, "deny rm -rf \"blocked by dippy config\"").unwrap();
    let json = r#"{"tool_name":"Bash","tool_input":{"command":"rm -rf /tmp"}}"#;
    let (stdout, code) = run_rippy(json, "claude", &["--config", config_path.to_str().unwrap()]);
    assert_eq!(code, 2);
    let v: serde_json::Value = serde_json::from_str(&stdout).unwrap();
    assert_eq!(v["hookSpecificOutput"]["permissionDecision"], "deny");
}

// ---- Empty command ----

#[test]
fn empty_command_in_payload() {
    let json = r#"{"tool_name":"Bash","tool_input":{"command":""}}"#;
    let (_stdout, code) = run_rippy(json, "claude", &[]);
    assert_eq!(code, 0);
}