GitRepositoryProviderTests.swift

//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift open source project
//
// Copyright (c) 2022 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//

import Basics
import _InternalTestSupport
@testable import SourceControl
import XCTest

class GitRepositoryProviderTests: XCTestCase {
    func testIsValidDirectory() throws {
        try testWithTemporaryDirectory { sandbox in
            let provider = GitRepositoryProvider()

            // standard repository
            let repositoryPath = sandbox.appending("test")
            try localFileSystem.createDirectory(repositoryPath)
            initGitRepo(repositoryPath)
            XCTAssertTrue(try provider.isValidDirectory(repositoryPath))

            // no-checkout bare repository
            let noCheckoutRepositoryPath = sandbox.appending("test-no-checkout")
            try localFileSystem.copy(from: repositoryPath.appending(".git"), to: noCheckoutRepositoryPath)
            XCTAssertTrue(try provider.isValidDirectory(noCheckoutRepositoryPath))

            // non-git directory
            let notGitPath = sandbox.appending("test-not-git")
            XCTAssertThrowsError(try provider.isValidDirectory(notGitPath))

            // non-git child directory of a git directory
            let notGitChildPath = repositoryPath.appending("test-not-git")
            XCTAssertThrowsError(try provider.isValidDirectory(notGitChildPath))
        }
    }
}