@testable import BrewBar
import XCTest

final class BrewParserTests: XCTestCase {
    // MARK: - parseOutdated

    func testParseOutdated_multiplePackages() {
        let output = "wget\nffmpeg\ngit\n"
        XCTAssertEqual(BrewParser.parseOutdated(output), ["wget", "ffmpeg", "git"])
    }

    func testParseOutdated_emptyOutput() {
        XCTAssertEqual(BrewParser.parseOutdated(""), [])
    }

    func testParseOutdated_singlePackage() {
        XCTAssertEqual(BrewParser.parseOutdated("wget\n"), ["wget"])
    }

    func testParseOutdated_trailingNewlinesIgnored() {
        let output = "wget\n\n\n"
        XCTAssertEqual(BrewParser.parseOutdated(output), ["wget"])
    }

    // MARK: - parseVersion

    func testParseVersion_picksFirstLine() {
        let output = "Homebrew 4.3.0\nHomebrew/homebrew-core (git revision abc123)\n"
        XCTAssertEqual(BrewParser.parseVersion(output), "Homebrew 4.3.0")
    }

    func testParseVersion_emptyOutput() {
        XCTAssertEqual(BrewParser.parseVersion(""), "Unknown")
    }

    func testParseVersion_singleLine() {
        XCTAssertEqual(BrewParser.parseVersion("Homebrew 4.3.0"), "Homebrew 4.3.0")
    }
}