Refactor git repository model (#674)

- Create a new model class for operations of Git repository.
- Refactor everything related with git.
- Add unit tests for git functions.

passKitTests/Models/GitRepositoryTest.swift

@@ -0,0 +1,141 @@
+//
+//  GitRepositoryTest.swift
+//  pass
+//
+//  Created by Mingshen Sun on 1/26/25.
+//  Copyright © 2025 Bob Sun. All rights reserved.
+//
+
+import ObjectiveGit
+import XCTest
+@testable import passKit
+
+final class GitRepositoryTest: XCTestCase {
+    private var bareRepositoryURL: URL!
+    private var workingRepositoryURL: URL!
+    private var repository: GitRepository!
+    private let fileManager = FileManager.default
+    private let checkoutProgressBlock: CheckoutProgressHandler = { _, _, _ in
+    }
+
+    private let transferProgressBlock: TransferProgressHandler = { _, _ in
+    }
+
+    private let pushProgressBlock: PushProgressHandler = { _, _, _, _ in
+    }
+
+    override func setUpWithError() throws {
+        try super.setUpWithError()
+        bareRepositoryURL = fileManager.temporaryDirectory
+            .appendingPathComponent(UUID().uuidString)
+        workingRepositoryURL = fileManager.temporaryDirectory
+            .appendingPathComponent(UUID().uuidString)
+        try? fileManager.createDirectory(
+            at: bareRepositoryURL,
+            withIntermediateDirectories: true
+        )
+
+        let options = [
+            GTRepositoryInitOptionsFlags: GTRepositoryInitFlags.bare.rawValue,
+        ]
+        try GTRepository.initializeEmpty(atFileURL: bareRepositoryURL, options: options)
+
+        repository = try GitRepository(from: bareRepositoryURL, to: workingRepositoryURL, branchName: "master", options: options, transferProgressBlock: transferProgressBlock, checkoutProgressBlock: checkoutProgressBlock)
+    }
+
+    func testSetup() {
+        let dotGitFileURL = workingRepositoryURL.appendingPathComponent(".git")
+        XCTAssertTrue(fileManager.fileExists(atPath: dotGitFileURL.path))
+    }
+
+    func testCommitHeadUnborn() throws {
+        _ = try repository.commit(name: "name", email: "email@email.com", message: "message")
+    }
+
+    func testCommit() throws {
+        try ["file1", "file2"].forEach { filename in
+            let fileURL = workingRepositoryURL.appendingPathComponent(filename)
+            try "change1".write(toFile: fileURL.path, atomically: true, encoding: .utf8)
+            try repository.add(path: filename)
+            _ = try repository.commit(name: "name", email: "email@email.com", message: "message: \(filename)")
+        }
+    }
+
+    func testPush() throws {
+        try testCommit()
+        let options: [String: Any] = [:]
+        try repository.push(options: options, transferProgressBlock: pushProgressBlock)
+    }
+
+    func testGetRecentCommits() throws {
+        _ = try repository.commit(name: "name", email: "email@email.com", message: "message1")
+        let commit = try repository.getRecentCommits(count: 1)
+        XCTAssertEqual(commit.first?.message, "message1")
+    }
+
+    func testGetLocalCommits() throws {
+        try ["file1", "file2"].forEach { filename in
+            let fileURL = workingRepositoryURL.appendingPathComponent(filename)
+            try "change".write(toFile: fileURL.path, atomically: true, encoding: .utf8)
+            try repository.add(path: filename)
+            _ = try repository.commit(name: "name", email: "email@email.com", message: "message: \(filename)")
+        }
+        let options: [String: Any] = [:]
+        try repository.push(options: options, transferProgressBlock: pushProgressBlock)
+        try ["file3", "file4"].forEach { filename in
+            let fileURL = workingRepositoryURL.appendingPathComponent(filename)
+            try "change".write(toFile: fileURL.path, atomically: true, encoding: .utf8)
+            try repository.add(path: filename)
+            _ = try repository.commit(name: "name", email: "email@email.com", message: "message: \(filename)")
+        }
+        let commit = try repository.getLocalCommits()
+        XCTAssertEqual(commit.first?.message, "message: file4")
+    }
+
+    func testCheckoutAndChangeBranch() throws {
+        _ = try repository.commit(name: "name", email: "email@email.com", message: "message")
+        let repo = repository.repository
+        let branchName = "feature-branch"
+        let head = try repo.headReference()
+        let branch = try repo.createBranchNamed(branchName, from: head.targetOID!, message: nil)
+        let remote = try GTRemote(name: "origin", in: repo)
+        try repo.pushBranches([branch], to: remote)
+
+        try repository.checkoutAndChangeBranch(branchName: "feature-branch", progressBlock: checkoutProgressBlock)
+    }
+
+    func testRm() throws {
+        try ["file1", "file2"].forEach { filename in
+            let fileURL = workingRepositoryURL.appendingPathComponent(filename)
+            try "change1".write(toFile: fileURL.path, atomically: true, encoding: .utf8)
+            try repository.add(path: filename)
+            _ = try repository.commit(name: "name", email: "email@email.com", message: "message: add \(filename)")
+        }
+
+        try repository.rm(path: "file1")
+        let commit = try repository.commit(name: "name", email: "email@email.com", message: "message: remove file1")
+        XCTAssertEqual(commit.message, "message: remove file1")
+        XCTAssertFalse(fileManager.fileExists(atPath: workingRepositoryURL.appendingPathComponent("file1").path))
+    }
+
+    func testMv() throws {
+        try ["file1", "file2"].forEach { filename in
+            let fileURL = workingRepositoryURL.appendingPathComponent(filename)
+            try "change1".write(toFile: fileURL.path, atomically: true, encoding: .utf8)
+            try repository.add(path: filename)
+            _ = try repository.commit(name: "name", email: "email@email.com", message: "message: add \(filename)")
+        }
+
+        try repository.mv(from: "file1", to: "file3")
+        let commit = try repository.commit(name: "name", email: "email@email.com", message: "message: remove file1")
+        XCTAssertEqual(commit.message, "message: remove file1")
+        XCTAssertFalse(fileManager.fileExists(atPath: workingRepositoryURL.appendingPathComponent("file1").path))
+        XCTAssertTrue(fileManager.fileExists(atPath: workingRepositoryURL.appendingPathComponent("file3").path))
+    }
+
+    override func tearDownWithError() throws {
+        try fileManager.removeItem(at: bareRepositoryURL)
+        try fileManager.removeItem(at: workingRepositoryURL)
+        super.tearDown()
+    }
+}