native macOS codings agent orchestrator prowl.onev.cat
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@testable import Prowl
actor GithubBatchShellProbe { struct Snapshot { let ghCallCount: Int let maxInFlight: Int let whichCallCount: Int let loginCallCount: Int }
private var ghCallCount = 0 private var inFlight = 0 private var maxInFlight = 0 private var whichCallCount = 0 private var loginCallCount = 0
func beginGhCall() -> Int { ghCallCount += 1 inFlight += 1 if inFlight > maxInFlight { maxInFlight = inFlight } return ghCallCount }
func endGhCall() { inFlight -= 1 }
func recordWhichCall() { whichCallCount += 1 }
func recordLoginCall() { loginCallCount += 1 }
func snapshot() -> Snapshot { Snapshot( ghCallCount: ghCallCount, maxInFlight: maxInFlight, whichCallCount: whichCallCount, loginCallCount: loginCallCount ) }}
actor GithubCommandProbe { struct Call: Equatable { let arguments: [String] let currentDirectoryURL: URL? }
private var calls: [Call] = []
func record(arguments: [String], currentDirectoryURL: URL?) { calls.append(Call(arguments: arguments, currentDirectoryURL: currentDirectoryURL)) }
func snapshot() -> [Call] { calls }}
struct GithubCLIClientTests { @Test func resolveRemoteInfoUsesGhRepoView() async throws { let repoRoot = URL(fileURLWithPath: "/tmp/fork") let probe = GithubCommandProbe() let shell = ShellClient( run: { executableURL, _, _ in if executableURL.lastPathComponent == "which" { return ShellOutput(stdout: "/usr/bin/gh", stderr: "", exitCode: 0) } return ShellOutput(stdout: "", stderr: "", exitCode: 0) }, runLoginImpl: { executableURL, arguments, currentDirectoryURL, _ in guard executableURL.lastPathComponent == "gh" else { return ShellOutput(stdout: "", stderr: "", exitCode: 0) } await probe.record(arguments: arguments, currentDirectoryURL: currentDirectoryURL) return ShellOutput( stdout: #"{"owner":{"login":"supabitapp"},"name":"supacode","url":"https://github.com/supabitapp/supacode"}"#, stderr: "", exitCode: 0 ) } ) let client = GithubCLIClient.live(shell: shell)
let remoteInfo = await client.resolveRemoteInfo(repoRoot)
#expect(remoteInfo == GithubRemoteInfo(host: "github.com", owner: "supabitapp", repo: "supacode")) let calls = await probe.snapshot() #expect( calls == [ GithubCommandProbe.Call( arguments: ["repo", "view", "--json", "owner,name,url"], currentDirectoryURL: repoRoot ) ]) }
@Test func pullRequestMutationsUseResolvedRemoteInfo() async throws { let repoRoot = URL(fileURLWithPath: "/tmp/fork") let remoteInfo = GithubRemoteInfo(host: "github.enterprise.test", owner: "octo", repo: "repo") let probe = GithubCommandProbe() let shell = ShellClient( run: { executableURL, _, _ in if executableURL.lastPathComponent == "which" { return ShellOutput(stdout: "/usr/bin/gh", stderr: "", exitCode: 0) } return ShellOutput(stdout: "", stderr: "", exitCode: 0) }, runLoginImpl: { executableURL, arguments, currentDirectoryURL, _ in guard executableURL.lastPathComponent == "gh" else { return ShellOutput(stdout: "", stderr: "", exitCode: 0) } await probe.record(arguments: arguments, currentDirectoryURL: currentDirectoryURL) return ShellOutput(stdout: "", stderr: "", exitCode: 0) } ) let client = GithubCLIClient.live(shell: shell)
try await client.mergePullRequest(repoRoot, remoteInfo, 12, .squash, nil) try await client.closePullRequest(repoRoot, remoteInfo, 13, nil) try await client.markPullRequestReady(repoRoot, remoteInfo, 14, nil)
let calls = await probe.snapshot() #expect( calls.map(\.arguments) == [ ["pr", "merge", "12", "--squash", "--repo", "github.enterprise.test/octo/repo"], ["pr", "close", "13", "--repo", "github.enterprise.test/octo/repo"], ["pr", "ready", "14", "--repo", "github.enterprise.test/octo/repo"], ]) #expect(calls.allSatisfy { $0.currentDirectoryURL == repoRoot }) }
@Test func pullRequestMutationChecksExpectedAccountBeforeCommand() async throws { let repoRoot = URL(fileURLWithPath: "/tmp/private") let remoteInfo = GithubRemoteInfo(host: "github.com", owner: "octo", repo: "repo") let account = GithubAccountOverride(host: "github.com", login: "work") let probe = GithubCommandProbe() let shell = ShellClient( run: { executableURL, _, _ in if executableURL.lastPathComponent == "which" { return ShellOutput(stdout: "/usr/bin/gh", stderr: "", exitCode: 0) } return ShellOutput(stdout: "", stderr: "", exitCode: 0) }, runLoginImpl: { executableURL, arguments, currentDirectoryURL, _ in guard executableURL.lastPathComponent == "gh" else { return ShellOutput(stdout: "", stderr: "", exitCode: 0) } await probe.record(arguments: arguments, currentDirectoryURL: currentDirectoryURL) if arguments.starts(with: ["auth", "status"]) { return ShellOutput( stdout: #"{"hosts":{"github.com":[{"active":true,"login":"work","state":"success"}]}}"#, stderr: "", exitCode: 0 ) } return ShellOutput(stdout: "", stderr: "", exitCode: 0) } ) let client = GithubCLIClient.live(shell: shell)
try await client.mergePullRequest(repoRoot, remoteInfo, 12, .squash, account)
let calls = await probe.snapshot() #expect( calls.map(\.arguments) == [ ["auth", "status", "--active", "--hostname", "github.com", "--json", "hosts"], ["pr", "merge", "12", "--squash", "--repo", "github.com/octo/repo"], ]) }
@Test func pullRequestMutationSwitchesAndRestoresExpectedAccount() async throws { let repoRoot = URL(fileURLWithPath: "/tmp/private") let remoteInfo = GithubRemoteInfo(host: "github.com", owner: "octo", repo: "repo") let account = GithubAccountOverride(host: "github.com", login: "work") let probe = GithubCommandProbe() let shell = ShellClient( run: { executableURL, _, _ in if executableURL.lastPathComponent == "which" { return ShellOutput(stdout: "/usr/bin/gh", stderr: "", exitCode: 0) } return ShellOutput(stdout: "", stderr: "", exitCode: 0) }, runLoginImpl: { executableURL, arguments, currentDirectoryURL, _ in guard executableURL.lastPathComponent == "gh" else { return ShellOutput(stdout: "", stderr: "", exitCode: 0) } await probe.record(arguments: arguments, currentDirectoryURL: currentDirectoryURL) return ShellOutput( stdout: #"{"hosts":{"github.com":[{"active":true,"login":"personal","state":"success"}]}}"#, stderr: "", exitCode: 0 ) } ) let client = GithubCLIClient.live(shell: shell)
try await client.mergePullRequest(repoRoot, remoteInfo, 12, .squash, account)
let calls = await probe.snapshot() #expect( calls.map(\.arguments) == [ ["auth", "status", "--active", "--hostname", "github.com", "--json", "hosts"], ["auth", "switch", "--hostname", "github.com", "--user", "work"], ["pr", "merge", "12", "--squash", "--repo", "github.com/octo/repo"], ["auth", "switch", "--hostname", "github.com", "--user", "personal"], ]) }
@Test func batchPullRequestsRunsChunksOneAtATime() async throws { let probe = GithubBatchShellProbe() let shell = ShellClient( run: { executableURL, arguments, _ in if executableURL.lastPathComponent == "which" { await probe.recordWhichCall() return ShellOutput(stdout: "/usr/bin/gh", stderr: "", exitCode: 0) } _ = arguments return ShellOutput(stdout: "", stderr: "", exitCode: 0) }, runLoginImpl: { executableURL, arguments, _, _ in guard executableURL.lastPathComponent == "gh" else { return ShellOutput(stdout: "", stderr: "", exitCode: 0) } await probe.recordLoginCall() _ = await probe.beginGhCall() do { try await ContinuousClock().sleep(for: .milliseconds(80)) let stdout = graphQLResponse(for: arguments) await probe.endGhCall() return ShellOutput(stdout: stdout, stderr: "", exitCode: 0) } catch { await probe.endGhCall() throw error } } ) let client = GithubCLIClient.live(shell: shell) let branches = (0..<100).map { "feature-\($0)" }
_ = try await client.batchPullRequests("github.com", "khoi", "repo", branches, [], nil)
let snapshot = await probe.snapshot() #expect(snapshot.ghCallCount == 4) #expect(snapshot.maxInFlight == 1) #expect(snapshot.whichCallCount == 1) #expect(snapshot.loginCallCount == 4) }
@Test func batchPullRequestsThrowsWhenAnyChunkFails() async { let probe = GithubBatchShellProbe() let shell = ShellClient( run: { executableURL, arguments, _ in if executableURL.lastPathComponent == "which" { await probe.recordWhichCall() return ShellOutput(stdout: "/usr/bin/gh", stderr: "", exitCode: 0) } _ = arguments return ShellOutput(stdout: "", stderr: "", exitCode: 0) }, runLoginImpl: { executableURL, arguments, _, _ in guard executableURL.lastPathComponent == "gh" else { return ShellOutput(stdout: "", stderr: "", exitCode: 0) } await probe.recordLoginCall() let callIndex = await probe.beginGhCall() if callIndex == 2 { await probe.endGhCall() throw ShellClientError( command: "gh api graphql", stdout: "", stderr: "boom", exitCode: 1 ) } do { try await ContinuousClock().sleep(for: .milliseconds(40)) let stdout = graphQLResponse(for: arguments) await probe.endGhCall() return ShellOutput(stdout: stdout, stderr: "", exitCode: 0) } catch { await probe.endGhCall() throw error } } ) let client = GithubCLIClient.live(shell: shell) let branches = (0..<30).map { "feature-\($0)" }
do { _ = try await client.batchPullRequests("github.com", "khoi", "repo", branches, [], nil) Issue.record("Expected batchPullRequests to throw") } catch let error as GithubCLIError { switch error { case .commandFailed: break case .outdated, .unavailable, .rateLimited, .graphQLError: Issue.record("Unexpected GithubCLIError: \(error.localizedDescription)") } } catch { Issue.record("Unexpected error type: \(error.localizedDescription)") } }
@Test func batchPullRequestsDeduplicatesBeforeChunking() async throws { let probe = GithubBatchShellProbe() let shell = ShellClient( run: { executableURL, arguments, _ in if executableURL.lastPathComponent == "which" { await probe.recordWhichCall() return ShellOutput(stdout: "/usr/bin/gh", stderr: "", exitCode: 0) } _ = arguments return ShellOutput(stdout: "", stderr: "", exitCode: 0) }, runLoginImpl: { executableURL, arguments, _, _ in guard executableURL.lastPathComponent == "gh" else { return ShellOutput(stdout: "", stderr: "", exitCode: 0) } await probe.recordLoginCall() _ = await probe.beginGhCall() let stdout = graphQLResponse(for: arguments) await probe.endGhCall() return ShellOutput(stdout: stdout, stderr: "", exitCode: 0) } ) let client = GithubCLIClient.live(shell: shell) let uniqueBranches = (0..<30).map { "feature-\($0)" } let branches = uniqueBranches + ["feature-0", "feature-1", "feature-2", "", ""]
let result = try await client.batchPullRequests("github.com", "khoi", "repo", branches, [], nil)
#expect(result.isEmpty) let snapshot = await probe.snapshot() #expect(snapshot.ghCallCount == 2) #expect(snapshot.whichCallCount == 1) #expect(snapshot.loginCallCount == 2) }
@Test func batchAcrossRepositoriesReturnsEmptyResultWhenNoRequests() async throws { let probe = GithubBatchShellProbe() let shell = makeBatchAcrossShellMock(probe: probe) { _ in ShellOutput(stdout: #"{"data":{}}"#, stderr: "", exitCode: 0) } let client = GithubCLIClient.live(shell: shell)
let result = try await client.batchPullRequestsAcrossRepositories("github.com", [], nil)
#expect(result.successByRepo.isEmpty) #expect(result.failedRepos.isEmpty) let snapshot = await probe.snapshot() #expect(snapshot.ghCallCount == 0) #expect(snapshot.whichCallCount == 0) }
@Test func batchAcrossRepositoriesSkipsReposWithoutBranches() async throws { let probe = GithubBatchShellProbe() let shell = makeBatchAcrossShellMock(probe: probe) { arguments in ShellOutput(stdout: crossRepoGraphQLResponse(for: arguments), stderr: "", exitCode: 0) } let client = GithubCLIClient.live(shell: shell) let requests = [ CrossRepoPullRequestRequest(owner: "khoi", repo: "alpha", branches: []), CrossRepoPullRequestRequest(owner: "khoi", repo: "beta", branches: ["", " "]), ]
let result = try await client.batchPullRequestsAcrossRepositories("github.com", requests, nil)
#expect(result.successByRepo.isEmpty) #expect(result.failedRepos.isEmpty) let snapshot = await probe.snapshot() #expect(snapshot.ghCallCount == 0) }
@Test func batchAcrossRepositoriesSendsSingleGraphQLCallForMultipleRepos() async throws { let probe = GithubBatchShellProbe() let observedArguments = ObservedArguments() let shell = makeBatchAcrossShellMock(probe: probe) { arguments in await observedArguments.append(arguments) return ShellOutput(stdout: crossRepoGraphQLResponse(for: arguments), stderr: "", exitCode: 0) } let client = GithubCLIClient.live(shell: shell) let requests = [ CrossRepoPullRequestRequest(owner: "khoi", repo: "alpha", branches: ["feat-1", "feat-2"]), CrossRepoPullRequestRequest(owner: "supabit", repo: "beta", branches: ["feat-3"]), ]
let result = try await client.batchPullRequestsAcrossRepositories("github.com", requests, nil)
#expect(result.successByRepo[RepoKey(owner: "khoi", repo: "alpha")] != nil) #expect(result.successByRepo[RepoKey(owner: "supabit", repo: "beta")] != nil) #expect(result.failedRepos.isEmpty) let snapshot = await probe.snapshot() #expect(snapshot.ghCallCount == 1) let invocations = await observedArguments.snapshot() #expect(invocations.count == 1) }
@Test func batchAcrossRepositoriesUsesProvidedHostnameInGhArguments() async throws { let probe = GithubBatchShellProbe() let observedArguments = ObservedArguments() let shell = makeBatchAcrossShellMock(probe: probe) { arguments in await observedArguments.append(arguments) return ShellOutput(stdout: crossRepoGraphQLResponse(for: arguments), stderr: "", exitCode: 0) } let client = GithubCLIClient.live(shell: shell) let requests = [ CrossRepoPullRequestRequest(owner: "octo", repo: "ghe-repo", branches: ["main"]) ]
_ = try await client.batchPullRequestsAcrossRepositories("github.enterprise.test", requests, nil)
let invocations = await observedArguments.snapshot() #expect(invocations.count == 1) let firstCall = try #require(invocations.first) #expect(firstCall.contains("api")) #expect(firstCall.contains("graphql")) let hostnameIndex = try #require(firstCall.firstIndex(of: "--hostname")) #expect(firstCall[firstCall.index(after: hostnameIndex)] == "github.enterprise.test") }
@Test func batchAcrossRepositoriesEmbedsOwnerAndRepoLiteralsInQuery() async throws { let probe = GithubBatchShellProbe() let observedArguments = ObservedArguments() let shell = makeBatchAcrossShellMock(probe: probe) { arguments in await observedArguments.append(arguments) return ShellOutput(stdout: crossRepoGraphQLResponse(for: arguments), stderr: "", exitCode: 0) } let client = GithubCLIClient.live(shell: shell) let requests = [ CrossRepoPullRequestRequest(owner: "khoi", repo: "alpha", branches: ["feat-1"]), CrossRepoPullRequestRequest(owner: "supabit", repo: "beta", branches: ["feat-2"]), ]
_ = try await client.batchPullRequestsAcrossRepositories("github.com", requests, nil)
let invocations = await observedArguments.snapshot() let queryArgument = try #require(invocations.first?.first(where: { $0.hasPrefix("query=") })) let query = String(queryArgument.dropFirst("query=".count)) #expect(query.contains(#"owner: "khoi""#)) #expect(query.contains(#"name: "alpha""#)) #expect(query.contains(#"owner: "supabit""#)) #expect(query.contains(#"name: "beta""#)) let structure = parseCrossRepoQuery(query) #expect(structure.repos.count == 2) #expect(structure.repos.allSatisfy { !$0.branchAliases.isEmpty }) }
@Test func batchAcrossRepositoriesDeduplicatesBranchesPerRepo() async throws { let probe = GithubBatchShellProbe() let observedArguments = ObservedArguments() let shell = makeBatchAcrossShellMock(probe: probe) { arguments in await observedArguments.append(arguments) return ShellOutput(stdout: crossRepoGraphQLResponse(for: arguments), stderr: "", exitCode: 0) } let client = GithubCLIClient.live(shell: shell) let requests = [ CrossRepoPullRequestRequest( owner: "khoi", repo: "alpha", branches: ["feat-1", "feat-1", "feat-2", "", "feat-2"] ) ]
_ = try await client.batchPullRequestsAcrossRepositories("github.com", requests, nil)
let invocations = await observedArguments.snapshot() let queryArgument = try #require(invocations.first?.first(where: { $0.hasPrefix("query=") })) let structure = parseCrossRepoQuery(String(queryArgument.dropFirst("query=".count))) let alpha = try #require(structure.repos.first { $0.repo == "alpha" }) #expect(alpha.branchAliases.count == 2) }
@Test func batchAcrossRepositoriesSplitsAtAliasLimit() async throws { let probe = GithubBatchShellProbe() let observedArguments = ObservedArguments() let shell = makeBatchAcrossShellMock(probe: probe) { arguments in await observedArguments.append(arguments) return ShellOutput(stdout: crossRepoGraphQLResponse(for: arguments), stderr: "", exitCode: 0) } let client = GithubCLIClient.live(shell: shell) let requests = (0..<18).map { index in CrossRepoPullRequestRequest(owner: "khoi", repo: "repo-\(index)", branches: ["main"]) }
let result = try await client.batchPullRequestsAcrossRepositories("github.com", requests, nil)
let snapshot = await probe.snapshot() #expect(snapshot.ghCallCount == 2) let invocations = await observedArguments.snapshot() #expect(invocations.count == 2) let totalRepoBlocks = invocations.reduce(0) { partial, args in guard let queryArg = args.first(where: { $0.hasPrefix("query=") }) else { return partial } let query = String(queryArg.dropFirst("query=".count)) return partial + parseCrossRepoQuery(query).repos.count } #expect(totalRepoBlocks == 18) #expect(result.successByRepo.count == 18) #expect(result.failedRepos.isEmpty) }
@Test func batchAcrossRepositoriesRunsChunksOneAtATime() async throws { let probe = GithubBatchShellProbe() let shell = makeBatchAcrossShellMock(probe: probe) { arguments in try await ContinuousClock().sleep(for: .milliseconds(80)) return ShellOutput(stdout: crossRepoGraphQLResponse(for: arguments), stderr: "", exitCode: 0) } let client = GithubCLIClient.live(shell: shell) let requests = (0..<60).map { index in CrossRepoPullRequestRequest(owner: "khoi", repo: "repo-\(index)", branches: ["main"]) }
_ = try await client.batchPullRequestsAcrossRepositories("github.com", requests, nil)
let snapshot = await probe.snapshot() #expect(snapshot.ghCallCount == 4) #expect(snapshot.maxInFlight == 1) }
@Test func batchAcrossRepositoriesRoutesPartialErrorsToFailedRepos() async throws { let probe = GithubBatchShellProbe() let shell = makeBatchAcrossShellMock(probe: probe) { arguments in let stdout = crossRepoGraphQLResponse(for: arguments, failedRepoAliases: ["r1"]) return ShellOutput(stdout: stdout, stderr: "", exitCode: 0) } let client = GithubCLIClient.live(shell: shell) let requests = [ CrossRepoPullRequestRequest(owner: "khoi", repo: "alpha", branches: ["feat-1"]), CrossRepoPullRequestRequest(owner: "ghost", repo: "missing", branches: ["main"]), CrossRepoPullRequestRequest(owner: "supabit", repo: "beta", branches: ["feat-2"]), ]
let result = try await client.batchPullRequestsAcrossRepositories("github.com", requests, nil)
#expect(result.successByRepo[RepoKey(owner: "khoi", repo: "alpha")] != nil) #expect(result.successByRepo[RepoKey(owner: "supabit", repo: "beta")] != nil) #expect(result.failedRepos[RepoKey(owner: "ghost", repo: "missing")] != nil) }
// gh exits 1 whenever the GraphQL answer lists errors, even when it also carries the data of the // other repositories; the answer must still reach each repository. @Test func batchAcrossRepositoriesRoutesPartialErrorsWhenGhExitsOne() async throws { let probe = GithubBatchShellProbe() let shell = makeBatchAcrossShellMock(probe: probe) { arguments in let body = crossRepoGraphQLResponse(for: arguments, failedRepoAliases: ["r1"]) throw ShellClientError( command: "gh api graphql", stdout: "HTTP/2.0 200 OK\nX-Ratelimit-Remaining: 4900\n\n\(body)", stderr: "gh: Could not resolve to a Repository", exitCode: 1 ) } let client = GithubCLIClient.live(shell: shell) let requests = [ CrossRepoPullRequestRequest(owner: "khoi", repo: "alpha", branches: ["feat-1"]), CrossRepoPullRequestRequest(owner: "ghost", repo: "missing", branches: ["main"]), CrossRepoPullRequestRequest(owner: "supabit", repo: "beta", branches: ["feat-2"]), ]
let result = try await client.batchPullRequestsAcrossRepositories("github.com", requests, nil)
#expect(result.successByRepo[RepoKey(owner: "khoi", repo: "alpha")] == [:]) #expect(result.successByRepo[RepoKey(owner: "supabit", repo: "beta")] == [:]) #expect( result.failedRepos[RepoKey(owner: "ghost", repo: "missing")] == .graphQLError( type: "NOT_FOUND", message: "GraphQL error for ghost/missing: Could not resolve to a Repository" ) ) let snapshot = await probe.snapshot() #expect(snapshot.ghCallCount == 1) }
@Test func batchAcrossRepositoriesStillFailsWhenGhExitsOneWithoutAnAnswer() async throws { let probe = GithubBatchShellProbe() let shell = makeBatchAcrossShellMock(probe: probe) { _ in throw ShellClientError( command: "gh api graphql", stdout: "HTTP/2.0 502 Bad Gateway\n\n{\"data\":{\"r0\":null},\"message\":\"Server Error\"}", stderr: "gh: Server Error (HTTP 502)", exitCode: 1 ) } let client = GithubCLIClient.live(shell: shell) let requests = [CrossRepoPullRequestRequest(owner: "khoi", repo: "alpha", branches: ["feat-1"])]
await #expect(throws: GithubCLIError.self) { _ = try await client.batchPullRequestsAcrossRepositories("github.com", requests, nil) } }
@Test func batchPullRequestsReportsAnUnresolvedRepositoryWhenGhExitsOne() async throws { let shell = ShellClient( run: { executableURL, _, _ in if executableURL.lastPathComponent == "which" { return ShellOutput(stdout: "/usr/bin/gh", stderr: "", exitCode: 0) } return ShellOutput(stdout: "", stderr: "", exitCode: 0) }, runLoginImpl: { executableURL, _, _, _ in guard executableURL.lastPathComponent == "gh" else { return ShellOutput(stdout: "", stderr: "", exitCode: 0) } throw ShellClientError( command: "gh api graphql", stdout: """ HTTP/2.0 200 OK
{"data":{"repository":null},"errors":[{"type":"NOT_FOUND","path":["repository"],\ "message":"Could not resolve to a Repository with the name 'khoi/gone'."}]} """, stderr: "gh: Could not resolve to a Repository with the name 'khoi/gone'.", exitCode: 1 ) } ) let client = GithubCLIClient.live(shell: shell)
await #expect( throws: GithubCLIError.graphQLError( type: "NOT_FOUND", message: "Could not resolve to a Repository with the name 'khoi/gone'." ) ) { _ = try await client.batchPullRequests("github.com", "khoi", "gone", ["feature"], [], nil) } }
@Test func batchAcrossRepositoriesRoutesFieldErrorPathToOwnRepo() async throws { let probe = GithubBatchShellProbe() let shell = makeBatchAcrossShellMock(probe: probe) { arguments in let stdout = crossRepoGraphQLResponse( for: arguments, fieldErrorPaths: [["r0", "r0_b1"]] ) return ShellOutput(stdout: stdout, stderr: "", exitCode: 0) } let client = GithubCLIClient.live(shell: shell) let requests = [ CrossRepoPullRequestRequest(owner: "khoi", repo: "alpha", branches: ["feat-1", "feat-2"]), CrossRepoPullRequestRequest(owner: "supabit", repo: "beta", branches: ["feat-3"]), ]
let result = try await client.batchPullRequestsAcrossRepositories("github.com", requests, nil)
#expect(result.failedRepos[RepoKey(owner: "khoi", repo: "alpha")] != nil) #expect(result.successByRepo[RepoKey(owner: "supabit", repo: "beta")] != nil) }
@Test func batchAcrossRepositoriesReturnsAllFailedWhenAllReposErrored() async throws { let probe = GithubBatchShellProbe() let shell = makeBatchAcrossShellMock(probe: probe) { arguments in let stdout = crossRepoGraphQLResponse( for: arguments, failedRepoAliases: ["r0", "r1"] ) return ShellOutput(stdout: stdout, stderr: "", exitCode: 0) } let client = GithubCLIClient.live(shell: shell) let requests = [ CrossRepoPullRequestRequest(owner: "khoi", repo: "alpha", branches: ["feat-1"]), CrossRepoPullRequestRequest(owner: "supabit", repo: "beta", branches: ["feat-2"]), ]
let result = try await client.batchPullRequestsAcrossRepositories("github.com", requests, nil)
#expect(result.successByRepo.isEmpty) #expect(result.failedRepos.count == 2) }
@Test func batchAcrossRepositoriesThrowsOnTotalShellFailure() async { let probe = GithubBatchShellProbe() let shell = makeBatchAcrossShellMock(probe: probe) { _ in throw ShellClientError( command: "gh api graphql", stdout: "", stderr: "boom", exitCode: 1 ) } let client = GithubCLIClient.live(shell: shell) let requests = [ CrossRepoPullRequestRequest(owner: "khoi", repo: "alpha", branches: ["feat-1"]) ]
do { _ = try await client.batchPullRequestsAcrossRepositories("github.com", requests, nil) Issue.record("Expected batchPullRequestsAcrossRepositories to throw") } catch let error as GithubCLIError { switch error { case .commandFailed: break case .outdated, .unavailable, .rateLimited, .graphQLError: Issue.record("Unexpected GithubCLIError: \(error.localizedDescription)") } } catch { Issue.record("Unexpected error type: \(error.localizedDescription)") } }
@Test func batchAcrossRepositoriesEscapesBranchSpecialCharacters() async throws { let probe = GithubBatchShellProbe() let observedArguments = ObservedArguments() let shell = makeBatchAcrossShellMock(probe: probe) { arguments in await observedArguments.append(arguments) return ShellOutput(stdout: crossRepoGraphQLResponse(for: arguments), stderr: "", exitCode: 0) } let client = GithubCLIClient.live(shell: shell) let requests = [ CrossRepoPullRequestRequest( owner: "khoi", repo: "alpha", branches: [#"weird"branch"#, "tab\there", "back\\slash"] ) ]
_ = try await client.batchPullRequestsAcrossRepositories("github.com", requests, nil)
let invocations = await observedArguments.snapshot() let queryArgument = try #require(invocations.first?.first(where: { $0.hasPrefix("query=") })) let query = String(queryArgument.dropFirst("query=".count)) #expect(query.contains(#"\""#)) #expect(query.contains(#"\t"#)) #expect(query.contains(#"\\"#)) }
@Test func batchAcrossRepositoriesSurfacesDecodedPullRequestData() async throws { let probe = GithubBatchShellProbe() let shell = makeBatchAcrossShellMock(probe: probe) { arguments in let stdout = crossRepoGraphQLResponseWithSinglePR( for: arguments, prNumber: 42 ) return ShellOutput(stdout: stdout, stderr: "", exitCode: 0) } let client = GithubCLIClient.live(shell: shell) let requests = [ CrossRepoPullRequestRequest(owner: "khoi", repo: "alpha", branches: ["feat-1"]) ]
let result = try await client.batchPullRequestsAcrossRepositories("github.com", requests, nil)
let alphaPRs = try #require(result.successByRepo[RepoKey(owner: "khoi", repo: "alpha")]) let pullRequest = try #require(alphaPRs["feat-1"]) #expect(pullRequest.number == 42) }
@Test func batchAcrossRepositoriesIgnoresForkOnlyPullRequestMatches() async throws { let probe = GithubBatchShellProbe() let shell = makeBatchAcrossShellMock(probe: probe) { arguments in let stdout = crossRepoGraphQLResponseWithForkOnlyPR( for: arguments, prNumber: 2174 ) return ShellOutput(stdout: stdout, stderr: "", exitCode: 0) } let client = GithubCLIClient.live(shell: shell) let requests = [ CrossRepoPullRequestRequest(owner: "onevcat", repo: "Kingfisher", branches: ["master"]) ]
let result = try await client.batchPullRequestsAcrossRepositories("github.com", requests, nil)
let kingfisherPRs = try #require(result.successByRepo[RepoKey(owner: "onevcat", repo: "Kingfisher")]) #expect(kingfisherPRs["master"] == nil) }
@Test func batchAcrossRepositoriesAllowsPullRequestFromConfiguredHeadRemote() async throws { let probe = GithubBatchShellProbe() let shell = makeBatchAcrossShellMock(probe: probe) { arguments in let stdout = crossRepoGraphQLResponseWithHeadRepositoryPR( for: arguments, fixture: HeadRepositoryPRFixture( baseOwner: "supabitapp", baseRepo: "supacode", headOwner: "onevcat", headRepo: "Prowl", branch: "feature" ) ) return ShellOutput(stdout: stdout, stderr: "", exitCode: 0) } let client = GithubCLIClient.live(shell: shell) let allowedHeadRepositories: Set<RepoKey> = [ RepoKey(owner: "onevcat", repo: "Prowl"), RepoKey(owner: "supabitapp", repo: "supacode"), ] let requests = [ CrossRepoPullRequestRequest( owner: "onevcat", repo: "Prowl", branches: ["feature"], allowedHeadRepositories: allowedHeadRepositories ), CrossRepoPullRequestRequest( owner: "supabitapp", repo: "supacode", branches: ["feature"], allowedHeadRepositories: allowedHeadRepositories ), ]
let result = try await client.batchPullRequestsAcrossRepositories("github.com", requests, nil)
let upstreamPRs = try #require(result.successByRepo[RepoKey(owner: "supabitapp", repo: "supacode")]) #expect(upstreamPRs["feature"]?.number == 42) }
@Test func executableResolutionIsSingleFlightAndReused() async { let probe = GithubBatchShellProbe() let shell = ShellClient( run: { executableURL, _, _ in if executableURL.lastPathComponent == "which" { await probe.recordWhichCall() return ShellOutput(stdout: "/usr/bin/gh", stderr: "", exitCode: 0) } return ShellOutput(stdout: "", stderr: "", exitCode: 0) }, runLoginImpl: { executableURL, _, _, _ in guard executableURL.lastPathComponent == "gh" else { return ShellOutput(stdout: "", stderr: "", exitCode: 0) } await probe.recordLoginCall() _ = await probe.beginGhCall() await probe.endGhCall() return ShellOutput(stdout: "gh version 2.79.0", stderr: "", exitCode: 0) } ) let client = GithubCLIClient.live(shell: shell)
let first = await client.isAvailable() let second = await client.isAvailable()
#expect(first) #expect(second) let snapshot = await probe.snapshot() #expect(snapshot.whichCallCount == 1) #expect(snapshot.ghCallCount == 2) #expect(snapshot.loginCallCount == 2) }
@Test func executableResolutionFallsBackToCommonInstallPathWhenShellPathMissesGh() async throws { let fallbackDirectory = URL(fileURLWithPath: NSTemporaryDirectory()) .appendingPathComponent("prowl-gh-fallback-\(UUID().uuidString)", isDirectory: true) try FileManager.default.createDirectory(at: fallbackDirectory, withIntermediateDirectories: true) defer { try? FileManager.default.removeItem(at: fallbackDirectory) } let fallbackGh = fallbackDirectory.appendingPathComponent("gh") let created = FileManager.default.createFile( atPath: fallbackGh.path, contents: Data("#!/bin/sh\n".utf8), attributes: [.posixPermissions: 0o755] ) #expect(created)
let probe = GithubBatchShellProbe() let shell = ShellClient( run: { executableURL, _, _ in if executableURL.lastPathComponent == "which" { await probe.recordWhichCall() throw ShellClientError(command: "which gh", stdout: "", stderr: "gh not found", exitCode: 1) } return ShellOutput(stdout: "", stderr: "", exitCode: 0) }, runLoginImpl: { executableURL, arguments, _, _ in if executableURL.lastPathComponent == "which" { await probe.recordWhichCall() throw ShellClientError(command: "which gh", stdout: "", stderr: "gh not found", exitCode: 1) } #expect(executableURL == fallbackGh) #expect(arguments == ["--version"]) await probe.recordLoginCall() return ShellOutput(stdout: "gh version 2.79.0", stderr: "", exitCode: 0) } ) let client = GithubCLIClient.live(shell: shell, fallbackExecutableURLs: [fallbackGh])
#expect(await client.isAvailable())
let snapshot = await probe.snapshot() #expect(snapshot.whichCallCount == 2) #expect(snapshot.loginCallCount == 1) }
@Test func executableResolutionReportsUnavailableWhenNoFallbackPathResolves() async throws { let probe = GithubBatchShellProbe() let shell = ShellClient( run: { executableURL, _, _ in if executableURL.lastPathComponent == "which" { await probe.recordWhichCall() throw ShellClientError(command: "which gh", stdout: "", stderr: "gh not found", exitCode: 1) } return ShellOutput(stdout: "", stderr: "", exitCode: 0) }, runLoginImpl: { executableURL, _, _, _ in if executableURL.lastPathComponent == "which" { await probe.recordWhichCall() throw ShellClientError(command: "which gh", stdout: "", stderr: "gh not found", exitCode: 1) } await probe.recordLoginCall() return ShellOutput(stdout: "gh version 2.79.0", stderr: "", exitCode: 0) } ) let missingGh = URL(fileURLWithPath: NSTemporaryDirectory()) .appendingPathComponent("prowl-gh-missing-\(UUID().uuidString)/gh") let client = GithubCLIClient.live(shell: shell, fallbackExecutableURLs: [missingGh])
#expect(await client.isAvailable() == false)
let snapshot = await probe.snapshot() #expect(snapshot.whichCallCount == 2) #expect(snapshot.loginCallCount == 0) }
@Test func executableResolutionPicksFirstExecutableFallbackAndSkipsMisses() async throws { let fallbackDirectory = URL(fileURLWithPath: NSTemporaryDirectory()) .appendingPathComponent("prowl-gh-order-\(UUID().uuidString)", isDirectory: true) try FileManager.default.createDirectory(at: fallbackDirectory, withIntermediateDirectories: true) defer { try? FileManager.default.removeItem(at: fallbackDirectory) } let missingGh = fallbackDirectory.appendingPathComponent("missing/gh") let nonExecutableGh = fallbackDirectory.appendingPathComponent("non-executable-gh") #expect( FileManager.default.createFile( atPath: nonExecutableGh.path, contents: Data("#!/bin/sh\n".utf8), attributes: [.posixPermissions: 0o644] ) ) let firstExecutableGh = fallbackDirectory.appendingPathComponent("first-gh") let laterExecutableGh = fallbackDirectory.appendingPathComponent("later-gh") for executable in [firstExecutableGh, laterExecutableGh] { #expect( FileManager.default.createFile( atPath: executable.path, contents: Data("#!/bin/sh\n".utf8), attributes: [.posixPermissions: 0o755] ) ) }
let shell = ShellClient( run: { executableURL, _, _ in if executableURL.lastPathComponent == "which" { throw ShellClientError(command: "which gh", stdout: "", stderr: "gh not found", exitCode: 1) } return ShellOutput(stdout: "", stderr: "", exitCode: 0) }, runLoginImpl: { executableURL, _, _, _ in if executableURL.lastPathComponent == "which" { throw ShellClientError(command: "which gh", stdout: "", stderr: "gh not found", exitCode: 1) } // First executable entry wins: missing and non-executable candidates are skipped. #expect(executableURL == firstExecutableGh) return ShellOutput(stdout: "gh version 2.79.0", stderr: "", exitCode: 0) } ) let client = GithubCLIClient.live( shell: shell, fallbackExecutableURLs: [missingGh, nonExecutableGh, firstExecutableGh, laterExecutableGh] )
#expect(await client.isAvailable()) }
@Test func defaultFallbackExecutableURLsOrdersPathsAndDropsHomeWhenAbsent() { let withHome = GithubCLIExecutableResolver.defaultFallbackExecutableURLs( environment: ["HOME": "/Users/tester"] ) #expect( withHome.map(\.path) == [ "/opt/homebrew/bin/gh", "/usr/local/bin/gh", "/Users/tester/.local/bin/gh", ] )
let withoutHome = GithubCLIExecutableResolver.defaultFallbackExecutableURLs(environment: [:]) #expect( withoutHome.map(\.path) == [ "/opt/homebrew/bin/gh", "/usr/local/bin/gh", ] ) }}
nonisolated private func graphQLResponse(for arguments: [String]) -> String { guard let queryArgument = arguments.first(where: { $0.hasPrefix("query=") }) else { return #"{"data":{"repository":{}}}"# } let query = String(queryArgument.dropFirst("query=".count)) let aliases = queryAliases(from: query) let entries = aliases.map { #""\#($0)":{"nodes":[]}"# }.joined(separator: ",") return #"{"data":{"repository":{\#(entries)}}}"#}
nonisolated private func queryAliases(from query: String) -> [String] { guard let regex = try? NSRegularExpression(pattern: #"branch\d+"#) else { return [] } let range = NSRange(query.startIndex..<query.endIndex, in: query) var seen = Set<String>() var aliases: [String] = [] for match in regex.matches(in: query, range: range) { guard let aliasRange = Range(match.range, in: query) else { continue } let alias = String(query[aliasRange]) if seen.insert(alias).inserted { aliases.append(alias) } } return aliases}
nonisolated struct CrossRepoQueryStructure { let repos: [Entry]
struct Entry { let alias: String let owner: String let repo: String let branchAliases: [String] }}
nonisolated func parseCrossRepoQuery(_ query: String) -> CrossRepoQueryStructure { guard let repoRegex = try? NSRegularExpression( pattern: #"(r\d+):\s*repository\(owner:\s*"([^"]+)",\s*name:\s*"([^"]+)"\)"# ) else { return CrossRepoQueryStructure(repos: []) } let nsQuery = query as NSString let queryRange = NSRange(location: 0, length: nsQuery.length) var entries: [CrossRepoQueryStructure.Entry] = [] let repoMatches = repoRegex.matches(in: query, range: queryRange) for (matchIndex, match) in repoMatches.enumerated() { let alias = nsQuery.substring(with: match.range(at: 1)) let owner = nsQuery.substring(with: match.range(at: 2)) let repo = nsQuery.substring(with: match.range(at: 3)) let blockStart = match.range.location + match.range.length let blockEnd: Int if matchIndex + 1 < repoMatches.count { blockEnd = repoMatches[matchIndex + 1].range.location } else { blockEnd = nsQuery.length } guard blockEnd > blockStart else { continue } let blockRange = NSRange(location: blockStart, length: blockEnd - blockStart) let block = nsQuery.substring(with: blockRange) let branchAliases = matchedAliases(in: block, pattern: "\(alias)_b\\d+") entries.append( CrossRepoQueryStructure.Entry(alias: alias, owner: owner, repo: repo, branchAliases: branchAliases) ) } return CrossRepoQueryStructure(repos: entries)}
nonisolated private func matchedAliases(in text: String, pattern: String) -> [String] { guard let regex = try? NSRegularExpression(pattern: pattern) else { return [] } let range = NSRange(text.startIndex..<text.endIndex, in: text) var seen = Set<String>() var aliases: [String] = [] for match in regex.matches(in: text, range: range) { guard let matchRange = Range(match.range, in: text) else { continue } let alias = String(text[matchRange]) if seen.insert(alias).inserted { aliases.append(alias) } } return aliases}
nonisolated func crossRepoGraphQLResponse( for arguments: [String], failedRepoAliases: Set<String> = [], fieldErrorPaths: [[String]] = []) -> String { guard let queryArgument = arguments.first(where: { $0.hasPrefix("query=") }) else { return #"{"data":null}"# } let query = String(queryArgument.dropFirst("query=".count)) let structure = parseCrossRepoQuery(query) var dataEntries: [String] = [] for entry in structure.repos { if failedRepoAliases.contains(entry.alias) { dataEntries.append(#""\#(entry.alias)":null"#) continue } let aliasEntries = entry.branchAliases.map { #""\#($0)":{"nodes":[]}"# }.joined(separator: ",") dataEntries.append(#""\#(entry.alias)":{\#(aliasEntries)}"#) } let dataJSON = "{\(dataEntries.joined(separator: ","))}" var errorEntries: [String] = [] for alias in failedRepoAliases { errorEntries.append( #"{"path":["\#(alias)"],"message":"Could not resolve to a Repository","type":"NOT_FOUND"}"# ) } for path in fieldErrorPaths { let serializedPath = path.map { #""\#($0)""# }.joined(separator: ",") errorEntries.append(#"{"path":[\#(serializedPath)],"message":"Field error"}"#) } if errorEntries.isEmpty { return #"{"data":\#(dataJSON)}"# } let errorsJSON = "[\(errorEntries.joined(separator: ","))]" return #"{"data":\#(dataJSON),"errors":\#(errorsJSON)}"#}
actor ObservedArguments { private var calls: [[String]] = []
func append(_ arguments: [String]) { calls.append(arguments) }
func snapshot() -> [[String]] { calls }}
nonisolated func crossRepoGraphQLResponseWithSinglePR( for arguments: [String], prNumber: Int) -> String { guard let queryArgument = arguments.first(where: { $0.hasPrefix("query=") }) else { return #"{"data":{}}"# } let structure = parseCrossRepoQuery(String(queryArgument.dropFirst("query=".count))) var repositoryPayload: [String: Any] = [:] for (entryIndex, entry) in structure.repos.enumerated() { var aliasPayload: [String: Any] = [:] for (branchIndex, alias) in entry.branchAliases.enumerated() { let node: [String: Any] = [ "number": prNumber + entryIndex * 100 + branchIndex, "title": "PR", "state": "OPEN", "additions": 1, "deletions": 1, "isDraft": false, "reviewDecision": NSNull(), "mergeable": "MERGEABLE", "mergeStateStatus": "CLEAN", "url": "https://example.com/pr", "updatedAt": NSNull(), "headRefName": NSNull(), "baseRefName": "main", "commits": ["totalCount": 1], "author": ["login": "khoi"], "headRepository": [ "name": entry.repo, "owner": ["login": entry.owner], ], "statusCheckRollup": NSNull(), ] aliasPayload[alias] = ["nodes": [node]] } repositoryPayload[entry.alias] = aliasPayload } let body: [String: Any] = ["data": repositoryPayload] guard let data = try? JSONSerialization.data(withJSONObject: body), let json = String(bytes: data, encoding: .utf8) else { return #"{"data":{}}"# } return json}
nonisolated func crossRepoGraphQLResponseWithForkOnlyPR( for arguments: [String], prNumber: Int) -> String { guard let queryArgument = arguments.first(where: { $0.hasPrefix("query=") }) else { return #"{"data":{}}"# } let structure = parseCrossRepoQuery(String(queryArgument.dropFirst("query=".count))) var repositoryPayload: [String: Any] = [:] for entry in structure.repos { var aliasPayload: [String: Any] = [:] for alias in entry.branchAliases { let node: [String: Any] = [ "number": prNumber, "title": "Add extension to has image property components", "state": "CLOSED", "additions": 254, "deletions": 70, "isDraft": false, "reviewDecision": NSNull(), "mergeable": "CONFLICTING", "mergeStateStatus": "DIRTY", "url": "https://github.com/onevcat/Kingfisher/pull/2174", "updatedAt": NSNull(), "headRefName": "master", "baseRefName": "v8", "commits": ["totalCount": 11], "author": ["login": "Mxlris"], "headRepository": [ "name": "Kingfisher", "owner": ["login": "MxIris-Library-Forks"], ], "statusCheckRollup": NSNull(), ] aliasPayload[alias] = ["nodes": [node]] } repositoryPayload[entry.alias] = aliasPayload } let body: [String: Any] = ["data": repositoryPayload] guard let data = try? JSONSerialization.data(withJSONObject: body), let json = String(bytes: data, encoding: .utf8) else { return #"{"data":{}}"# } return json}
nonisolated struct HeadRepositoryPRFixture { let baseOwner: String let baseRepo: String let headOwner: String let headRepo: String let branch: String}
nonisolated func crossRepoGraphQLResponseWithHeadRepositoryPR( for arguments: [String], fixture: HeadRepositoryPRFixture) -> String { guard let queryArgument = arguments.first(where: { $0.hasPrefix("query=") }) else { return #"{"data":{}}"# } let structure = parseCrossRepoQuery(String(queryArgument.dropFirst("query=".count))) var repositoryPayload: [String: Any] = [:] for entry in structure.repos { var aliasPayload: [String: Any] = [:] for alias in entry.branchAliases { if entry.owner == fixture.baseOwner, entry.repo == fixture.baseRepo { let node: [String: Any] = [ "number": 42, "title": "Fork workflow PR", "state": "OPEN", "additions": 10, "deletions": 2, "isDraft": false, "reviewDecision": NSNull(), "mergeable": "MERGEABLE", "mergeStateStatus": "CLEAN", "url": "https://github.com/\(fixture.baseOwner)/\(fixture.baseRepo)/pull/42", "updatedAt": NSNull(), "headRefName": fixture.branch, "baseRefName": "main", "commits": ["totalCount": 3], "author": ["login": fixture.headOwner], "headRepository": [ "name": fixture.headRepo, "owner": ["login": fixture.headOwner], ], "statusCheckRollup": NSNull(), ] aliasPayload[alias] = ["nodes": [node]] } else { aliasPayload[alias] = ["nodes": []] } } repositoryPayload[entry.alias] = aliasPayload } let body: [String: Any] = ["data": repositoryPayload] guard let data = try? JSONSerialization.data(withJSONObject: body), let json = String(bytes: data, encoding: .utf8) else { return #"{"data":{}}"# } return json}
nonisolated func makeBatchAcrossShellMock( probe: GithubBatchShellProbe, responseBuilder: @escaping @Sendable (_ arguments: [String]) async throws -> ShellOutput) -> ShellClient { ShellClient( run: { executableURL, _, _ in if executableURL.lastPathComponent == "which" { await probe.recordWhichCall() return ShellOutput(stdout: "/usr/bin/gh", stderr: "", exitCode: 0) } return ShellOutput(stdout: "", stderr: "", exitCode: 0) }, runLoginImpl: { executableURL, arguments, _, _ in guard executableURL.lastPathComponent == "gh" else { return ShellOutput(stdout: "", stderr: "", exitCode: 0) } await probe.recordLoginCall() _ = await probe.beginGhCall() do { let output = try await responseBuilder(arguments) await probe.endGhCall() return output } catch { await probe.endGhCall() throw error } } )}