| @@ -0,0 +1,521 @@ |
| 1 | +import assert from 'node:assert/strict'; |
| 2 | +import { existsSync, readFileSync } from 'node:fs'; |
| 3 | +import { createServer, type Server } from 'node:http'; |
| 4 | +import { |
| 5 | + copyFile, |
| 6 | + mkdir, |
| 7 | + mkdtemp, |
| 8 | + readFile, |
| 9 | + readdir, |
| 10 | + rm, |
| 11 | + writeFile, |
| 12 | +} from 'node:fs/promises'; |
| 13 | +import { tmpdir } from 'node:os'; |
| 14 | +import { basename, join } from 'node:path'; |
| 15 | +import { Updater, type UpdaterOptions } from '../src/index'; |
| 16 | +import * as Tuf from '../src/index'; |
| 17 | +import { repository } from './fixtures/observer-repository'; |
| 18 | + |
| 19 | +const roots: string[] = []; |
| 20 | +const servers: Server[] = []; |
| 21 | +afterEach(async () => { |
| 22 | + for (const server of servers.splice(0)) { |
| 23 | + server.closeAllConnections(); |
| 24 | + await new Promise<void>((resolve, reject) => { |
| 25 | + server.close((error) => (error ? reject(error) : resolve())); |
| 26 | + }); |
| 27 | + } |
| 28 | + for (const root of roots.splice(0)) |
| 29 | + await rm(root, { recursive: true, force: true }); |
| 30 | +}); |
| 31 | + |
| 32 | +async function setup( |
| 33 | + options: Parameters<typeof repository>[1] = { rotate: true }, |
| 34 | + missing?: string |
| 35 | +) { |
| 36 | + const root = await mkdtemp(join(tmpdir(), 'drone-sdk-test-')); |
| 37 | + roots.push(root); |
| 38 | + const repo = join(root, 'repo'), |
| 39 | + cache = join(root, 'cache'), |
| 40 | + requests: string[] = []; |
| 41 | + const fixture = await repository(repo, options); |
| 42 | + await mkdir(cache, { mode: 0o700 }); |
| 43 | + await copyFile(fixture.rootPath, join(cache, 'root.json')); |
| 44 | + const server = createServer((request, response) => { |
| 45 | + const path = new URL(request.url ?? '/', 'http://127.0.0.1').pathname; |
| 46 | + requests.push(path); |
| 47 | + const filePath = join(repo, 'metadata', basename(path)); |
| 48 | + if ( |
| 49 | + !/^\/metadata\/(?:[0-9]+\.)?(?:root|timestamp|snapshot|targets)\.json$/.test( |
| 50 | + path |
| 51 | + ) || |
| 52 | + basename(path) === missing || |
| 53 | + !existsSync(filePath) |
| 54 | + ) { |
| 55 | + response.writeHead(404).end(); |
| 56 | + return; |
| 57 | + } |
| 58 | + response.end(readFileSync(filePath)); |
| 59 | + }); |
| 60 | + await new Promise<void>((resolve, reject) => { |
| 61 | + server.once('error', reject); |
| 62 | + server.listen(0, '127.0.0.1', () => { |
| 63 | + server.off('error', reject); |
| 64 | + resolve(); |
| 65 | + }); |
| 66 | + }); |
| 67 | + servers.push(server); |
| 68 | + const address = server.address(); |
| 69 | + if (!address || typeof address === 'string') |
| 70 | + throw new Error('Fixture server did not bind TCP'); |
| 71 | + const input = { |
| 72 | + metadataDir: cache, |
| 73 | + metadataBaseUrl: `http://127.0.0.1:${address.port}/metadata`, |
| 74 | + config: { fetchRetries: 0, fetchTimeout: 1000 }, |
| 75 | + } satisfies UpdaterOptions; |
| 76 | + return { root, repo, cache, fixture, requests, input }; |
| 77 | +} |
| 78 | + |
| 79 | +async function failureOf(pending: Promise<unknown>): Promise<Error> { |
| 80 | + try { |
| 81 | + await pending; |
| 82 | + } catch (error) { |
| 83 | + assert(error instanceof Error); |
| 84 | + return error; |
| 85 | + } |
| 86 | + throw new Error('Expected refresh to reject'); |
| 87 | +} |
| 88 | + |
| 89 | +function rootVersion(bytes: string): number { |
| 90 | + const metadata: unknown = JSON.parse(bytes); |
| 91 | + assert(metadata && typeof metadata === 'object' && 'signed' in metadata); |
| 92 | + const signed = metadata.signed; |
| 93 | + assert(signed && typeof signed === 'object' && 'version' in signed); |
| 94 | + assert(typeof signed.version === 'number'); |
| 95 | + return signed.version; |
| 96 | +} |
| 97 | + |
| 98 | +const roles = ['root', 'timestamp', 'snapshot', 'targets'] as const; |
| 99 | + |
| 100 | +test('the maintained SDK observer receives exact verified bytes before each cache write', async () => { |
| 101 | + const item = await setup(), |
| 102 | + seen: string[] = []; |
| 103 | + const updater = new Updater({ |
| 104 | + ...item.input, |
| 105 | + async onVerifiedMetadata(role, bytes) { |
| 106 | + seen.push(role); |
| 107 | + if (role === 'root') |
| 108 | + expect( |
| 109 | + rootVersion(await readFile(join(item.cache, 'root.json'), 'utf8')) |
| 110 | + ).toBe(1); |
| 111 | + else expect(existsSync(join(item.cache, `${role}.json`))).toBe(false); |
| 112 | + const file = |
| 113 | + role === 'root' |
| 114 | + ? '2.root.json' |
| 115 | + : role === 'timestamp' |
| 116 | + ? 'timestamp.json' |
| 117 | + : `1.${role}.json`; |
| 118 | + expect(bytes).toEqual(await readFile(join(item.repo, 'metadata', file))); |
| 119 | + }, |
| 120 | + }); |
| 121 | + await updater.refresh(); |
| 122 | + expect(seen).toEqual([...roles]); |
| 123 | + expect((await readdir(item.cache)).sort()).toEqual([ |
| 124 | + 'root.json', |
| 125 | + 'snapshot.json', |
| 126 | + 'targets.json', |
| 127 | + 'timestamp.json', |
| 128 | + ]); |
| 129 | +}); |
| 130 | + |
| 131 | +test('a pending observer prevents the cache write and the next metadata request', async () => { |
| 132 | + const item = await setup(); |
| 133 | + let release!: () => void, entered!: () => void; |
| 134 | + const gate = new Promise<void>((resolve) => { |
| 135 | + release = resolve; |
| 136 | + }); |
| 137 | + const seen = new Promise<void>((resolve) => { |
| 138 | + entered = resolve; |
| 139 | + }); |
| 140 | + const pending = new Updater({ |
| 141 | + ...item.input, |
| 142 | + async onVerifiedMetadata(role) { |
| 143 | + if (role === 'root') { |
| 144 | + entered(); |
| 145 | + await gate; |
| 146 | + } |
| 147 | + }, |
| 148 | + }).refresh(); |
| 149 | + try { |
| 150 | + await seen; |
| 151 | + expect( |
| 152 | + rootVersion(await readFile(join(item.cache, 'root.json'), 'utf8')) |
| 153 | + ).toBe(1); |
| 154 | + expect(item.requests).toEqual(['/metadata/2.root.json']); |
| 155 | + } finally { |
| 156 | + release(); |
| 157 | + await pending; |
| 158 | + } |
| 159 | +}); |
| 160 | + |
| 161 | +for (const failedRole of roles) { |
| 162 | + test(`an observer rejection for ${failedRole} aborts before that cache or a later role advances`, async () => { |
| 163 | + const item = await setup(), |
| 164 | + seen: string[] = [], |
| 165 | + cause = new Error('protected persistence rejected'); |
| 166 | + const updater = new Updater({ |
| 167 | + ...item.input, |
| 168 | + async onVerifiedMetadata(role) { |
| 169 | + await Promise.resolve(); |
| 170 | + seen.push(role); |
| 171 | + if (role === failedRole) throw cause; |
| 172 | + }, |
| 173 | + }); |
| 174 | + const failure = await failureOf(updater.refresh()); |
| 175 | + const persistence = |
| 176 | + failedRole === 'snapshot' || failedRole === 'targets' |
| 177 | + ? failure.cause |
| 178 | + : failure; |
| 179 | + expect(persistence).toBeInstanceOf(Tuf.PersistError); |
| 180 | + assert(persistence instanceof Tuf.PersistError); |
| 181 | + expect(persistence.message).toBe( |
| 182 | + `Failed to persist metadata ${failedRole}` |
| 183 | + ); |
| 184 | + expect(persistence.cause).toBe(cause); |
| 185 | + expect(seen).toEqual(roles.slice(0, roles.indexOf(failedRole) + 1)); |
| 186 | + if (failedRole === 'root') |
| 187 | + expect( |
| 188 | + rootVersion(await readFile(join(item.cache, 'root.json'), 'utf8')) |
| 189 | + ).toBe(1); |
| 190 | + else expect(existsSync(join(item.cache, `${failedRole}.json`))).toBe(false); |
| 191 | + }); |
| 192 | +} |
| 193 | + |
| 194 | +test('a genuine SDK HTTP404 thrown by the observer cannot be mistaken for the end of root rotation', async () => { |
| 195 | + const source = await setup({ rotate: false }, 'timestamp.json'); |
| 196 | + const downloadFailure = await failureOf(new Updater(source.input).refresh()); |
| 197 | + assert(downloadFailure instanceof Tuf.DownloadHTTPError); |
| 198 | + expect(downloadFailure.statusCode).toBe(404); |
| 199 | + const item = await setup(), |
| 200 | + seen: string[] = []; |
| 201 | + await expect( |
| 202 | + new Updater({ |
| 203 | + ...item.input, |
| 204 | + onVerifiedMetadata(role) { |
| 205 | + seen.push(role); |
| 206 | + throw downloadFailure; |
| 207 | + }, |
| 208 | + }).refresh() |
| 209 | + ).rejects.toThrow('Failed to persist metadata root'); |
| 210 | + expect(seen).toEqual(['root']); |
| 211 | + expect( |
| 212 | + rootVersion(await readFile(join(item.cache, 'root.json'), 'utf8')) |
| 213 | + ).toBe(1); |
| 214 | +}); |
| 215 | + |
| 216 | +test('the observer owns a byte copy and cannot mutate SDK verification or cache bytes', async () => { |
| 217 | + const item = await setup(), |
| 218 | + observed: Record<string, Buffer> = {}; |
| 219 | + await new Updater({ |
| 220 | + ...item.input, |
| 221 | + onVerifiedMetadata(role, bytes) { |
| 222 | + observed[role] = Buffer.from(bytes); |
| 223 | + bytes.fill(0); |
| 224 | + }, |
| 225 | + }).refresh(); |
| 226 | + for (const role of roles) |
| 227 | + expect( |
| 228 | + (await readFile(join(item.cache, `${role}.json`))).equals(observed[role]) |
| 229 | + ).toBe(true); |
| 230 | +}); |
| 231 | + |
| 232 | +test('an unauthorized root never reaches the observer and leaves the initial cache intact', async () => { |
| 233 | + const item = await setup({ rotate: true, badRotation: true }), |
| 234 | + seen: string[] = []; |
| 235 | + await expect( |
| 236 | + new Updater({ |
| 237 | + ...item.input, |
| 238 | + onVerifiedMetadata(role) { |
| 239 | + seen.push(role); |
| 240 | + }, |
| 241 | + }).refresh() |
| 242 | + ).rejects.toThrow(); |
| 243 | + expect(seen).toEqual([]); |
| 244 | + expect( |
| 245 | + rootVersion(await readFile(join(item.cache, 'root.json'), 'utf8')) |
| 246 | + ).toBe(1); |
| 247 | +}); |
| 248 | + |
| 249 | +test('a later invalid target signature preserves only the earlier verified metadata observations', async () => { |
| 250 | + const item = await setup({ rotate: true, badTargetsSignature: true }), |
| 251 | + seen: string[] = []; |
| 252 | + await expect( |
| 253 | + new Updater({ |
| 254 | + ...item.input, |
| 255 | + onVerifiedMetadata(role) { |
| 256 | + seen.push(role); |
| 257 | + }, |
| 258 | + }).refresh() |
| 259 | + ).rejects.toThrow(); |
| 260 | + expect(seen).toEqual(['root', 'timestamp', 'snapshot']); |
| 261 | + expect(existsSync(join(item.cache, 'targets.json'))).toBe(false); |
| 262 | +}); |
| 263 | + |
| 264 | +test('snapshot-bound tampering is rejected before it reaches the observer', async () => { |
| 265 | + const item = await setup(), |
| 266 | + seen: string[] = []; |
| 267 | + await writeFile(join(item.repo, 'metadata/1.targets.json'), '{}'); |
| 268 | + await expect( |
| 269 | + new Updater({ |
| 270 | + ...item.input, |
| 271 | + onVerifiedMetadata(role) { |
| 272 | + seen.push(role); |
| 273 | + }, |
| 274 | + }).refresh() |
| 275 | + ).rejects.toThrow(); |
| 276 | + expect(seen).toEqual(['root', 'timestamp', 'snapshot']); |
| 277 | +}); |
| 278 | + |
| 279 | +test('the supplied fixed start time is owned before callers can mutate it', async () => { |
| 280 | + const item = await setup(), |
| 281 | + time = new Date('2030-01-01T00:00:00Z'); |
| 282 | + const updater = new Updater({ ...item.input, referenceTime: time }); |
| 283 | + time.setUTCFullYear(2040); |
| 284 | + await updater.refresh(); |
| 285 | + expect( |
| 286 | + rootVersion(await readFile(join(item.cache, 'root.json'), 'utf8')) |
| 287 | + ).toBe(2); |
| 288 | +}); |
| 289 | + |
| 290 | +test('fixed-time recovery replay is distinct from current-time authorization', async () => { |
| 291 | + const past = await setup({ expires: '2025-01-01T00:00:00Z' }); |
| 292 | + await new Updater({ |
| 293 | + ...past.input, |
| 294 | + referenceTime: new Date('2024-01-01T00:00:00Z'), |
| 295 | + }).refresh(); |
| 296 | + const current = await setup({ expires: '2025-01-01T00:00:00Z' }); |
| 297 | + const failure = await failureOf(new Updater(current.input).refresh()); |
| 298 | + expect(failure).toBeInstanceOf(Tuf.MetadataVerificationError); |
| 299 | + assert(failure instanceof Tuf.MetadataVerificationError); |
| 300 | + expect(failure.role).toBe('timestamp'); |
| 301 | + expect(failure.cause).toBeInstanceOf(Error); |
| 302 | + assert(failure.cause instanceof Error); |
| 303 | + expect(failure.cause.message).toContain('expired'); |
| 304 | +}); |
| 305 | + |
| 306 | +test('invalid fixed time is rejected before loading even a missing bootstrap root', () => { |
| 307 | + expect( |
| 308 | + () => |
| 309 | + new Updater({ |
| 310 | + metadataDir: '/missing-drone-sdk-bootstrap', |
| 311 | + metadataBaseUrl: 'http://127.0.0.1:1', |
| 312 | + referenceTime: new Date(Number.NaN), |
| 313 | + }) |
| 314 | + ).toThrow('Invalid fixed update reference time'); |
| 315 | +}); |
| 316 | + |
| 317 | +test('a fully cached trusted refresh does not emit observations for cache bytes', async () => { |
| 318 | + const item = await setup(); |
| 319 | + await new Updater(item.input).refresh(); |
| 320 | + const seen: string[] = []; |
| 321 | + await new Updater({ |
| 322 | + ...item.input, |
| 323 | + onVerifiedMetadata(role) { |
| 324 | + seen.push(role); |
| 325 | + }, |
| 326 | + }).refresh(); |
| 327 | + expect(seen).toEqual([]); |
| 328 | +}); |
| 329 | + |
| 330 | +test('an authenticated intermediate root is observed before final-root expiry rejects the refresh', async () => { |
| 331 | + const item = await setup({ |
| 332 | + rotate: true, |
| 333 | + metadataFields: { rotatedRoot: { expires: '2020-01-01T00:00:00Z' } }, |
| 334 | + }), |
| 335 | + seen: string[] = []; |
| 336 | + const failure = await failureOf( |
| 337 | + new Updater({ |
| 338 | + ...item.input, |
| 339 | + onVerifiedMetadata(role) { |
| 340 | + seen.push(role); |
| 341 | + }, |
| 342 | + }).refresh() |
| 343 | + ); |
| 344 | + expect(failure).toBeInstanceOf(Tuf.MetadataVerificationError); |
| 345 | + assert(failure instanceof Tuf.MetadataVerificationError); |
| 346 | + expect(failure.role).toBe('timestamp'); |
| 347 | + expect(failure.cause).toBeInstanceOf(Error); |
| 348 | + assert(failure.cause instanceof Error); |
| 349 | + expect(failure.cause.message).toContain('expired'); |
| 350 | + expect(seen).toEqual(['root']); |
| 351 | + expect( |
| 352 | + rootVersion(await readFile(join(item.cache, 'root.json'), 'utf8')) |
| 353 | + ).toBe(2); |
| 354 | +}); |
| 355 | + |
| 356 | +test('forceCache cannot swallow a rejected remote timestamp observer when its local cache is missing', async () => { |
| 357 | + const item = await setup({ rotate: false }), |
| 358 | + seen: string[] = []; |
| 359 | + await expect( |
| 360 | + new Updater({ |
| 361 | + ...item.input, |
| 362 | + forceCache: true, |
| 363 | + onVerifiedMetadata(role) { |
| 364 | + seen.push(role); |
| 365 | + if (role === 'timestamp') |
| 366 | + throw new Error('protected timestamp persistence rejected'); |
| 367 | + }, |
| 368 | + }).refresh() |
| 369 | + ).rejects.toThrow('Failed to persist metadata timestamp'); |
| 370 | + expect(seen).toEqual(['timestamp']); |
| 371 | + expect(item.requests).toEqual(['/metadata/timestamp.json']); |
| 372 | + expect((await readdir(item.cache)).sort()).toEqual(['root.json']); |
| 373 | +}); |
| 374 | + |
| 375 | +test('a signed metadata rejection retains its original typed cause through the SDK wrapper', async () => { |
| 376 | + const item = await setup({ badTargetsSignature: true }); |
| 377 | + const failure = await failureOf(new Updater(item.input).refresh()); |
| 378 | + expect(failure).toBeInstanceOf(Error); |
| 379 | + expect(failure.cause).toBeInstanceOf(Error); |
| 380 | +}); |
| 381 | + |
| 382 | +test('recovery can identify a remote metadata rejection through a public typed cause', async () => { |
| 383 | + const item = await setup({ badTargetsSignature: true }); |
| 384 | + const failure = await failureOf(new Updater(item.input).refresh()); |
| 385 | + expect(Tuf.MetadataVerificationError).toEqual(expect.any(Function)); |
| 386 | + expect(failure.cause).toBeInstanceOf(Tuf.MetadataVerificationError); |
| 387 | + assert(failure.cause instanceof Tuf.MetadataVerificationError); |
| 388 | + expect(failure.cause.role).toBe('targets'); |
| 389 | +}); |
| 390 | + |
| 391 | +for (const role of roles) { |
| 392 | + test(`remote ${role} verification failure has a typed role and original cause`, async () => { |
| 393 | + const options: Parameters<typeof repository>[1] = |
| 394 | + role === 'root' |
| 395 | + ? { rotate: true, badRotation: true } |
| 396 | + : { metadataFields: { [role]: { expires: '2020-01-01T00:00:00Z' } } }; |
| 397 | + const item = await setup(options); |
| 398 | + const failure = await failureOf(new Updater(item.input).refresh()); |
| 399 | + const verification = |
| 400 | + failure instanceof Tuf.MetadataVerificationError |
| 401 | + ? failure |
| 402 | + : failure.cause; |
| 403 | + expect(verification).toBeInstanceOf(Tuf.MetadataVerificationError); |
| 404 | + assert(verification instanceof Tuf.MetadataVerificationError); |
| 405 | + expect(verification.role).toBe(role); |
| 406 | + expect(verification.cause).toBeInstanceOf(Error); |
| 407 | + }); |
| 408 | +} |
| 409 | + |
| 410 | +test('observer failure stays a persistence failure and preserves its exact cause', async () => { |
| 411 | + const item = await setup(), |
| 412 | + cause = new Error('protected storage failure'); |
| 413 | + const failure = await failureOf( |
| 414 | + new Updater({ |
| 415 | + ...item.input, |
| 416 | + onVerifiedMetadata() { |
| 417 | + throw cause; |
| 418 | + }, |
| 419 | + }).refresh() |
| 420 | + ); |
| 421 | + expect(failure).toBeInstanceOf(Tuf.PersistError); |
| 422 | + expect(failure).not.toBeInstanceOf(Tuf.MetadataVerificationError); |
| 423 | + expect(failure.cause).toBe(cause); |
| 424 | + expect(item.requests).toEqual(['/metadata/2.root.json']); |
| 425 | +}); |
| 426 | + |
| 427 | +test('an observer-supplied verification error is still classified as failed persistence first', async () => { |
| 428 | + const item = await setup({ rotate: false }), |
| 429 | + cause = new Tuf.MetadataVerificationError( |
| 430 | + 'timestamp', |
| 431 | + 'caller error, not an SDK verification verdict' |
| 432 | + ); |
| 433 | + const failure = await failureOf( |
| 434 | + new Updater({ |
| 435 | + ...item.input, |
| 436 | + forceCache: true, |
| 437 | + onVerifiedMetadata() { |
| 438 | + throw cause; |
| 439 | + }, |
| 440 | + }).refresh() |
| 441 | + ); |
| 442 | + expect(failure).toBeInstanceOf(Tuf.PersistError); |
| 443 | + expect(failure.cause).toBe(cause); |
| 444 | + expect(item.requests).toEqual(['/metadata/timestamp.json']); |
| 445 | +}); |
| 446 | + |
| 447 | +test('the public HTTP failure class matches actual missing-metadata failures', async () => { |
| 448 | + const item = await setup({ rotate: false }, 'timestamp.json'); |
| 449 | + const failure = await failureOf(new Updater(item.input).refresh()); |
| 450 | + expect(failure).toBeInstanceOf(Tuf.DownloadHTTPError); |
| 451 | + assert(failure instanceof Tuf.DownloadHTTPError); |
| 452 | + expect(failure).toBeInstanceOf(Tuf.DownloadError); |
| 453 | + expect(failure.statusCode).toBe(404); |
| 454 | + expect(failure).not.toBeInstanceOf(Tuf.MetadataVerificationError); |
| 455 | +}); |
| 456 | + |
| 457 | +test('a Symbol observer rejection remains a persistence failure under forceCache', async () => { |
| 458 | + const item = await setup({ rotate: false }), |
| 459 | + seen: string[] = [], |
| 460 | + cause = Symbol('opaque storage failure'); |
| 461 | + const failure = await failureOf( |
| 462 | + new Updater({ |
| 463 | + ...item.input, |
| 464 | + forceCache: true, |
| 465 | + onVerifiedMetadata(role) { |
| 466 | + seen.push(role); |
| 467 | + if (role === 'timestamp') { |
| 468 | + |
| 469 | + |
| 470 | + throw cause; |
| 471 | + } |
| 472 | + }, |
| 473 | + }).refresh() |
| 474 | + ); |
| 475 | + expect(failure).toBeInstanceOf(Tuf.PersistError); |
| 476 | + expect(failure.cause).toBe(cause); |
| 477 | + expect(seen).toEqual(['timestamp']); |
| 478 | + expect(item.requests).toEqual(['/metadata/timestamp.json']); |
| 479 | + expect((await readdir(item.cache)).sort()).toEqual(['root.json']); |
| 480 | +}); |
| 481 | + |
| 482 | +test('observer failures are never coerced while wrapping any metadata role', async () => { |
| 483 | + for (const failedRole of roles) { |
| 484 | + const item = await setup(), |
| 485 | + seen: string[] = []; |
| 486 | + let coercions = 0; |
| 487 | + const cause = { |
| 488 | + toString() { |
| 489 | + coercions++; |
| 490 | + throw new Error('Cause coercion must not run'); |
| 491 | + }, |
| 492 | + }; |
| 493 | + const failure = await failureOf( |
| 494 | + new Updater({ |
| 495 | + ...item.input, |
| 496 | + onVerifiedMetadata(role) { |
| 497 | + seen.push(role); |
| 498 | + if (role === failedRole) { |
| 499 | + |
| 500 | + |
| 501 | + throw cause; |
| 502 | + } |
| 503 | + }, |
| 504 | + }).refresh() |
| 505 | + ); |
| 506 | + const persistence = |
| 507 | + failedRole === 'snapshot' || failedRole === 'targets' |
| 508 | + ? failure.cause |
| 509 | + : failure; |
| 510 | + expect(persistence).toBeInstanceOf(Tuf.PersistError); |
| 511 | + assert(persistence instanceof Tuf.PersistError); |
| 512 | + expect(persistence.cause).toBe(cause); |
| 513 | + expect(coercions).toBe(0); |
| 514 | + expect(seen).toEqual(roles.slice(0, roles.indexOf(failedRole) + 1)); |
| 515 | + if (failedRole === 'root') |
| 516 | + expect( |
| 517 | + rootVersion(await readFile(join(item.cache, 'root.json'), 'utf8')) |
| 518 | + ).toBe(1); |
| 519 | + else expect(existsSync(join(item.cache, `${failedRole}.json`))).toBe(false); |
| 520 | + } |
| 521 | +}); |