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| 1 | +import { Logger } from "pino"; |
| 2 | +import { |
| 3 | + DBContext, |
| 4 | + createTables, |
| 5 | + deleteTables, |
| 6 | + setupDynamoDBContainer, |
| 7 | +} from "./db"; |
| 8 | +import LetterQueueRepository from "../letter-queue-repository"; |
| 9 | +import { InsertPendingLetter } from "../types"; |
| 10 | +import { LetterAlreadyExistsError } from "../errors"; |
| 11 | +import { createTestLogger } from "./logs"; |
| 12 | + |
| 13 | +function createLetter(letterId = "letter1"): InsertPendingLetter { |
| 14 | + return { |
| 15 | + letterId, |
| 16 | + supplierId: "supplier1", |
| 17 | + specificationId: "specification1", |
| 18 | + groupId: "group1", |
| 19 | + }; |
| 20 | +} |
| 21 | + |
| 22 | +// Database tests can take longer, especially with setup and teardown |
| 23 | +jest.setTimeout(30_000); |
| 24 | + |
| 25 | +describe("LetterQueueRepository", () => { |
| 26 | + let db: DBContext; |
| 27 | + let letterQueueRepository: LetterQueueRepository; |
| 28 | + let logger: Logger; |
| 29 | + |
| 30 | + beforeAll(async () => { |
| 31 | + db = await setupDynamoDBContainer(); |
| 32 | + }); |
| 33 | + |
| 34 | + beforeEach(async () => { |
| 35 | + await createTables(db); |
| 36 | + ({ logger } = createTestLogger()); |
| 37 | + |
| 38 | + letterQueueRepository = new LetterQueueRepository( |
| 39 | + db.docClient, |
| 40 | + logger, |
| 41 | + db.config, |
| 42 | + ); |
| 43 | + }); |
| 44 | + |
| 45 | + afterEach(async () => { |
| 46 | + await deleteTables(db); |
| 47 | + jest.useRealTimers(); |
| 48 | + }); |
| 49 | + |
| 50 | + afterAll(async () => { |
| 51 | + await db.container.stop(); |
| 52 | + }); |
| 53 | + |
| 54 | + function assertTtl(ttl: number, before: number, after: number) { |
| 55 | + const expectedLower = Math.floor( |
| 56 | + before / 1000 + 60 * 60 * db.config.letterQueueTtlHours, |
| 57 | + ); |
| 58 | + const expectedUpper = Math.floor( |
| 59 | + after / 1000 + 60 * 60 * db.config.lettersTtlHours, |
| 60 | + ); |
| 61 | + expect(ttl).toBeGreaterThanOrEqual(expectedLower); |
| 62 | + expect(ttl).toBeLessThanOrEqual(expectedUpper); |
| 63 | + } |
| 64 | + |
| 65 | + describe("putLetter", () => { |
| 66 | + it("adds a letter to the database", async () => { |
| 67 | + const before = Date.now(); |
| 68 | + |
| 69 | + const pendingLetter = |
| 70 | + await letterQueueRepository.putLetter(createLetter()); |
| 71 | + |
| 72 | + const after = Date.now(); |
| 73 | + |
| 74 | + const timestampInMillis = new Date( |
| 75 | + pendingLetter.queueTimestamp, |
| 76 | + ).valueOf(); |
| 77 | + expect(timestampInMillis).toBeGreaterThanOrEqual(before); |
| 78 | + expect(timestampInMillis).toBeLessThanOrEqual(after); |
| 79 | + assertTtl(pendingLetter.ttl, before, after); |
| 80 | + }); |
| 81 | + |
| 82 | + it("throws LetterAlreadyExistsError when creating a letter which already exists", async () => { |
| 83 | + await letterQueueRepository.putLetter(createLetter()); |
| 84 | + |
| 85 | + await expect( |
| 86 | + letterQueueRepository.putLetter(createLetter()), |
| 87 | + ).rejects.toThrow(LetterAlreadyExistsError); |
| 88 | + }); |
| 89 | + |
| 90 | + it("rethrows errors from DynamoDB when creating a letter", async () => { |
| 91 | + const misconfiguredRepository = new LetterQueueRepository( |
| 92 | + db.docClient, |
| 93 | + logger, |
| 94 | + { |
| 95 | + ...db.config, |
| 96 | + letterQueueTableName: "nonexistent-table", |
| 97 | + }, |
| 98 | + ); |
| 99 | + await expect( |
| 100 | + misconfiguredRepository.putLetter(createLetter()), |
| 101 | + ).rejects.toThrow("Cannot do operations on a non-existent table"); |
| 102 | + }); |
| 103 | + }); |
| 104 | +}); |
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