bashrs 6.66.0

Rust-to-Shell transpiler for deterministic bootstrap scripts
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#![allow(clippy::unwrap_used)] // Tests can use unwrap() for simplicity
#![allow(clippy::expect_used)]
// Integration test for TestGenerator
// Tests the complete workflow: bash script -> AST -> generated tests

use bashrs::bash_parser::{ast::*, BashParser};
use bashrs::test_generator::{TestGenOptions, TestGenerator};
use std::fs;

#[test]
fn test_factorial_integration() {
    // Read the factorial bash script
    let bash_code =
        fs::read_to_string("../examples/factorial.sh").expect("Failed to read factorial.sh");

    // Parse the bash script
    let mut parser = BashParser::new(&bash_code).expect("Failed to create parser");
    let ast = parser.parse().expect("Failed to parse bash script");

    // Verify AST structure
    assert!(!ast.statements.is_empty(), "AST should have statements");

    // Find the factorial function
    let has_factorial = ast
        .statements
        .iter()
        .any(|stmt| matches!(stmt, BashStmt::Function { name, .. } if name == "factorial"));
    assert!(has_factorial, "Should find factorial function");

    // Generate tests using TestGenerator
    let options = TestGenOptions::default();
    let mut generator = TestGenerator::new(options);
    let result = generator.generate(&ast);

    // Verify generation succeeded
    assert!(result.is_ok(), "Test generation should succeed");

    let test_suite = result.unwrap();

    // Verify we generated tests
    println!("Generated {} unit tests", test_suite.unit_tests.len());
    println!(
        "Generated {} property tests",
        test_suite.property_tests.len()
    );
    println!("Generated {} doctests", test_suite.doctests.len());

    assert!(
        !test_suite.unit_tests.is_empty(),
        "Should generate unit tests"
    );

    // Verify doctest extraction from comments
    assert!(
        !test_suite.doctests.is_empty(),
        "Should extract doctests from comments"
    );

    // Check for factorial-specific doctests
    let has_factorial_doctest = test_suite
        .doctests
        .iter()
        .any(|dt| dt.function_name == "factorial" && dt.example.contains("5"));
    assert!(
        has_factorial_doctest,
        "Should have factorial(5) => 120 doctest"
    );
}

#[test]
fn test_generated_tests_compile() {
    // Read the factorial Rash script
    let bash_code =
        fs::read_to_string("../examples/factorial.sh").expect("Failed to read factorial.sh");

    // Parse and generate
    let mut parser = BashParser::new(&bash_code).expect("Failed to create parser");
    let ast = parser.parse().expect("Failed to parse");

    let options = TestGenOptions::default();
    let mut generator = TestGenerator::new(options);
    let test_suite = generator.generate(&ast).expect("Generation failed");

    // Generate Rust test code
    let unit_tests_code = test_suite
        .unit_tests
        .iter()
        .map(|test| test.to_rust_code())
        .collect::<Vec<_>>()
        .join("\n\n");

    // Verify test code contains expected patterns
    assert!(
        unit_tests_code.contains("#[test]"),
        "Should have test annotations"
    );
    assert!(
        unit_tests_code.contains("fn test_"),
        "Should have test functions"
    );

    println!("Generated unit test code sample:");
    println!(
        "{}",
        unit_tests_code
            .lines()
            .take(20)
            .collect::<Vec<_>>()
            .join("\n")
    );
}

#[test]
fn test_mutation_config_generation() {
    // Read the factorial Rash script
    let bash_code =
        fs::read_to_string("../examples/factorial.sh").expect("Failed to read factorial.sh");

    // Parse
    let mut parser = BashParser::new(&bash_code).expect("Failed to create parser");
    let ast = parser.parse().expect("Failed to parse");

    // Generate test suite (mutation config is part of it)
    let options = TestGenOptions::default();
    let mut generator = TestGenerator::new(options);
    let test_suite = generator.generate(&ast).expect("Generation failed");
    let config = &test_suite.mutation_config;

    // Verify config structure
    assert!(config.contains("timeout"), "Should have timeout setting");
    assert!(config.contains("jobs"), "Should have jobs setting");
    assert!(
        config.contains("exclude_globs"),
        "Should have exclude patterns"
    );

    println!("Generated mutation config:");
    println!("{}", config);
}

#[test]
fn test_property_test_generation() {
    let bash_code =
        fs::read_to_string("../examples/factorial.sh").expect("Failed to read factorial.sh");

    let mut parser = BashParser::new(&bash_code).expect("Failed to create parser");
    let ast = parser.parse().expect("Failed to parse");

    let options = TestGenOptions::default();
    let mut generator = TestGenerator::new(options);
    let test_suite = generator.generate(&ast).expect("Generation failed");

    // Verify property tests were generated
    assert!(
        !test_suite.property_tests.is_empty(),
        "Should generate property tests"
    );

    // Check for determinism property
    let has_determinism_test = test_suite
        .property_tests
        .iter()
        .any(|pt| matches!(pt.property, bashrs::test_generator::Property::Determinism));

    assert!(
        has_determinism_test,
        "Should have determinism property test"
    );

    println!(
        "Generated {} property tests",
        test_suite.property_tests.len()
    );
}