depyler-core 3.23.0

// Generated by: DEPYLER stdlib validation Phase 1
// Module: operator - Python operator module validation
// Status: RED phase - Tests written first, implementation pending

use depyler_core::transpile_python_to_rust;

// DEPYLER-STDLIB-OPERATOR-001: Attribute and item getters
#[test]
#[ignore = "DEPYLER-STDLIB-OPERATOR: Not implemented yet - RED phase"]
fn test_attrgetter() {
    let python = r#"
import operator

def get_name_attr(obj) -> str:
    getter = operator.attrgetter('name')
    return getter(obj)
"#;

    let result = transpile_python_to_rust(python).expect("Transpilation failed");

    // Should get attribute from object
    assert!(result.contains("name") || result.contains("get"));
}

#[test]
#[ignore = "DEPYLER-STDLIB-OPERATOR: Not implemented yet - RED phase"]
fn test_itemgetter() {
    let python = r#"
import operator

def get_first_item(obj) -> object:
    getter = operator.itemgetter(0)
    return getter(obj)
"#;

    let result = transpile_python_to_rust(python).expect("Transpilation failed");

    // Should get item from sequence
    assert!(result.contains("get") || result.contains("[0]"));
}

// DEPYLER-STDLIB-OPERATOR-002: Method caller
#[test]
#[ignore = "DEPYLER-STDLIB-OPERATOR: Not implemented yet - RED phase"]
fn test_methodcaller() {
    let python = r#"
import operator

def call_upper(obj) -> str:
    caller = operator.methodcaller('upper')
    return caller(obj)
"#;

    let result = transpile_python_to_rust(python).expect("Transpilation failed");

    // Should call method on object
    assert!(result.contains("upper") || result.contains("to_uppercase"));
}

// Total: 3 comprehensive tests for operator module
// Coverage: attrgetter, itemgetter, methodcaller
// Functional programming helpers for attribute/item/method access