/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
import { checkForExtensionUpdate, cloneFromGit, findReleaseAsset, parseGitHubRepoForReleases, } from './github.js';
import { simpleGit } from 'simple-git';
import { ExtensionUpdateState } from '../../ui/state/extensions.js';
const mockPlatform = vi.hoisted(() => vi.fn());
const mockArch = vi.hoisted(() => vi.fn());
vi.mock('node:os', async (importOriginal) => {
    const actual = await importOriginal();
    return {
        ...actual,
        platform: mockPlatform,
        arch: mockArch,
    };
});
vi.mock('simple-git');
describe('git extension helpers', () => {
    afterEach(() => {
        vi.restoreAllMocks();
    });
    describe('cloneFromGit', () => {
        const mockGit = {
            clone: vi.fn(),
            getRemotes: vi.fn(),
            fetch: vi.fn(),
            checkout: vi.fn(),
        };
        beforeEach(() => {
            vi.mocked(simpleGit).mockReturnValue(mockGit);
        });
        it('should clone, fetch and checkout a repo', async () => {
            const installMetadata = {
                source: 'http://my-repo.com',
                ref: 'my-ref',
                type: 'git',
            };
            const destination = '/dest';
            mockGit.getRemotes.mockResolvedValue([
                { name: 'origin', refs: { fetch: 'http://my-repo.com' } },
            ]);
            await cloneFromGit(installMetadata, destination);
            expect(mockGit.clone).toHaveBeenCalledWith('http://my-repo.com', './', [
                '--depth',
                '1',
            ]);
            expect(mockGit.getRemotes).toHaveBeenCalledWith(true);
            expect(mockGit.fetch).toHaveBeenCalledWith('origin', 'my-ref');
            expect(mockGit.checkout).toHaveBeenCalledWith('FETCH_HEAD');
        });
        it('should use HEAD if ref is not provided', async () => {
            const installMetadata = {
                source: 'http://my-repo.com',
                type: 'git',
            };
            const destination = '/dest';
            mockGit.getRemotes.mockResolvedValue([
                { name: 'origin', refs: { fetch: 'http://my-repo.com' } },
            ]);
            await cloneFromGit(installMetadata, destination);
            expect(mockGit.fetch).toHaveBeenCalledWith('origin', 'HEAD');
        });
        it('should throw if no remotes are found', async () => {
            const installMetadata = {
                source: 'http://my-repo.com',
                type: 'git',
            };
            const destination = '/dest';
            mockGit.getRemotes.mockResolvedValue([]);
            await expect(cloneFromGit(installMetadata, destination)).rejects.toThrow('Failed to clone Git repository from http://my-repo.com');
        });
        it('should throw on clone error', async () => {
            const installMetadata = {
                source: 'http://my-repo.com',
                type: 'git',
            };
            const destination = '/dest';
            mockGit.clone.mockRejectedValue(new Error('clone failed'));
            await expect(cloneFromGit(installMetadata, destination)).rejects.toThrow('Failed to clone Git repository from http://my-repo.com');
        });
    });
    describe('checkForExtensionUpdate', () => {
        const mockGit = {
            getRemotes: vi.fn(),
            listRemote: vi.fn(),
            revparse: vi.fn(),
        };
        beforeEach(() => {
            vi.mocked(simpleGit).mockReturnValue(mockGit);
        });
        it('should return NOT_UPDATABLE for non-git extensions', async () => {
            const extension = {
                name: 'test',
                path: '/ext',
                version: '1.0.0',
                isActive: true,
                installMetadata: {
                    type: 'link',
                    source: '',
                },
            };
            let result = undefined;
            await checkForExtensionUpdate(extension, (newState) => (result = newState));
            expect(result).toBe(ExtensionUpdateState.NOT_UPDATABLE);
        });
        it('should return ERROR if no remotes found', async () => {
            const extension = {
                name: 'test',
                path: '/ext',
                version: '1.0.0',
                isActive: true,
                installMetadata: {
                    type: 'git',
                    source: '',
                },
            };
            mockGit.getRemotes.mockResolvedValue([]);
            let result = undefined;
            await checkForExtensionUpdate(extension, (newState) => (result = newState));
            expect(result).toBe(ExtensionUpdateState.ERROR);
        });
        it('should return UPDATE_AVAILABLE when remote hash is different', async () => {
            const extension = {
                name: 'test',
                path: '/ext',
                version: '1.0.0',
                isActive: true,
                installMetadata: {
                    type: 'git',
                    source: 'my/ext',
                },
            };
            mockGit.getRemotes.mockResolvedValue([
                { name: 'origin', refs: { fetch: 'http://my-repo.com' } },
            ]);
            mockGit.listRemote.mockResolvedValue('remote-hash\tHEAD');
            mockGit.revparse.mockResolvedValue('local-hash');
            let result = undefined;
            await checkForExtensionUpdate(extension, (newState) => (result = newState));
            expect(result).toBe(ExtensionUpdateState.UPDATE_AVAILABLE);
        });
        it('should return UP_TO_DATE when remote and local hashes are the same', async () => {
            const extension = {
                name: 'test',
                path: '/ext',
                version: '1.0.0',
                isActive: true,
                installMetadata: {
                    type: 'git',
                    source: 'my/ext',
                },
            };
            mockGit.getRemotes.mockResolvedValue([
                { name: 'origin', refs: { fetch: 'http://my-repo.com' } },
            ]);
            mockGit.listRemote.mockResolvedValue('same-hash\tHEAD');
            mockGit.revparse.mockResolvedValue('same-hash');
            let result = undefined;
            await checkForExtensionUpdate(extension, (newState) => (result = newState));
            expect(result).toBe(ExtensionUpdateState.UP_TO_DATE);
        });
        it('should return ERROR on git error', async () => {
            const extension = {
                name: 'test',
                path: '/ext',
                version: '1.0.0',
                isActive: true,
                installMetadata: {
                    type: 'git',
                    source: 'my/ext',
                },
            };
            mockGit.getRemotes.mockRejectedValue(new Error('git error'));
            let result = undefined;
            await checkForExtensionUpdate(extension, (newState) => (result = newState));
            expect(result).toBe(ExtensionUpdateState.ERROR);
        });
    });
    describe('findReleaseAsset', () => {
        const assets = [
            { name: 'darwin.arm64.extension.tar.gz', browser_download_url: 'url1' },
            { name: 'darwin.x64.extension.tar.gz', browser_download_url: 'url2' },
            { name: 'linux.x64.extension.tar.gz', browser_download_url: 'url3' },
            { name: 'win32.x64.extension.tar.gz', browser_download_url: 'url4' },
            { name: 'extension-generic.tar.gz', browser_download_url: 'url5' },
        ];
        it('should find asset matching platform and architecture', () => {
            mockPlatform.mockReturnValue('darwin');
            mockArch.mockReturnValue('arm64');
            const result = findReleaseAsset(assets);
            expect(result).toEqual(assets[0]);
        });
        it('should find asset matching platform if arch does not match', () => {
            mockPlatform.mockReturnValue('linux');
            mockArch.mockReturnValue('arm64');
            const result = findReleaseAsset(assets);
            expect(result).toEqual(assets[2]);
        });
        it('should return undefined if no matching asset is found', () => {
            mockPlatform.mockReturnValue('sunos');
            mockArch.mockReturnValue('x64');
            const result = findReleaseAsset(assets);
            expect(result).toBeUndefined();
        });
        it('should find generic asset if it is the only one', () => {
            const singleAsset = [
                { name: 'extension.tar.gz', browser_download_url: 'url' },
            ];
            mockPlatform.mockReturnValue('darwin');
            mockArch.mockReturnValue('arm64');
            const result = findReleaseAsset(singleAsset);
            expect(result).toEqual(singleAsset[0]);
        });
        it('should return undefined if multiple generic assets exist', () => {
            const multipleGenericAssets = [
                { name: 'extension-1.tar.gz', browser_download_url: 'url1' },
                { name: 'extension-2.tar.gz', browser_download_url: 'url2' },
            ];
            mockPlatform.mockReturnValue('darwin');
            mockArch.mockReturnValue('arm64');
            const result = findReleaseAsset(multipleGenericAssets);
            expect(result).toBeUndefined();
        });
    });
    describe('parseGitHubRepoForReleases', () => {
        it('should parse owner and repo from a full GitHub URL', () => {
            const source = 'https://github.com/owner/repo.git';
            const { owner, repo } = parseGitHubRepoForReleases(source);
            expect(owner).toBe('owner');
            expect(repo).toBe('repo');
        });
        it('should parse owner and repo from a full GitHub UR without .git', () => {
            const source = 'https://github.com/owner/repo';
            const { owner, repo } = parseGitHubRepoForReleases(source);
            expect(owner).toBe('owner');
            expect(repo).toBe('repo');
        });
        it('should fail on a GitHub SSH URL', () => {
            const source = 'git@github.com:owner/repo.git';
            expect(() => parseGitHubRepoForReleases(source)).toThrow('GitHub release-based extensions are not supported for SSH. You must use an HTTPS URI with a personal access token to download releases from private repositories. You can set your personal access token in the GITHUB_TOKEN environment variable and install the extension via SSH.');
        });
        it('should fail on a non-GitHub URL', () => {
            const source = 'https://example.com/owner/repo.git';
            expect(() => parseGitHubRepoForReleases(source)).toThrow('Invalid GitHub repository source: https://example.com/owner/repo.git. Expected "owner/repo" or a github repo uri.');
        });
        it('should parse owner and repo from a shorthand string', () => {
            const source = 'owner/repo';
            const { owner, repo } = parseGitHubRepoForReleases(source);
            expect(owner).toBe('owner');
            expect(repo).toBe('repo');
        });
        it('should handle .git suffix in repo name', () => {
            const source = 'owner/repo.git';
            const { owner, repo } = parseGitHubRepoForReleases(source);
            expect(owner).toBe('owner');
            expect(repo).toBe('repo');
        });
        it('should throw error for invalid source format', () => {
            const source = 'invalid-format';
            expect(() => parseGitHubRepoForReleases(source)).toThrow('Invalid GitHub repository source: invalid-format. Expected "owner/repo" or a github repo uri.');
        });
        it('should throw error for source with too many parts', () => {
            const source = 'https://github.com/owner/repo/extra';
            expect(() => parseGitHubRepoForReleases(source)).toThrow('Invalid GitHub repository source: https://github.com/owner/repo/extra. Expected "owner/repo" or a github repo uri.');
        });
    });
});
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