Initial Commit

packages/docker/tests/prepare-job-test.ts

@@ -0,0 +1,103 @@
+import * as fs from 'fs'
+import { v4 as uuidv4 } from 'uuid'
+import { prepareJob } from '../src/hooks'
+import TestSetup from './test-setup'
+
+jest.useRealTimers()
+
+let prepareJobOutputPath: string
+let prepareJobData: any
+const tmpOutputDir = `${__dirname}/_temp/${uuidv4()}`
+const prepareJobInputPath = `${__dirname}/../../../examples/prepare-job.json`
+
+let testSetup: TestSetup
+
+describe('prepare job', () => {
+  beforeAll(() => {
+    fs.mkdirSync(tmpOutputDir, { recursive: true })
+  })
+
+  afterAll(() => {
+    fs.rmSync(tmpOutputDir, { recursive: true })
+  })
+
+  beforeEach(async () => {
+    testSetup = new TestSetup()
+    testSetup.initialize()
+
+    let prepareJobRawData = fs.readFileSync(prepareJobInputPath, 'utf8')
+    prepareJobData = JSON.parse(prepareJobRawData.toString())
+
+    prepareJobData.args.container.userMountVolumes = testSetup.userMountVolumes
+    prepareJobData.args.container.systemMountVolumes =
+      testSetup.systemMountVolumes
+    prepareJobData.args.container.workingDirectory = testSetup.workingDirectory
+
+    prepareJobOutputPath = `${tmpOutputDir}/prepare-job-output-${uuidv4()}.json`
+    fs.writeFileSync(prepareJobOutputPath, '')
+  })
+
+  afterEach(() => {
+    testSetup.teardown()
+  })
+
+  it('should not throw', async () => {
+    await expect(
+      prepareJob(prepareJobData.args, prepareJobOutputPath)
+    ).resolves.not.toThrow()
+
+    expect(() => fs.readFileSync(prepareJobOutputPath, 'utf-8')).not.toThrow()
+  })
+
+  it('should have JSON output written to a file', async () => {
+    await prepareJob(prepareJobData.args, prepareJobOutputPath)
+    const prepareJobOutputContent = fs.readFileSync(
+      prepareJobOutputPath,
+      'utf-8'
+    )
+    expect(() => JSON.parse(prepareJobOutputContent)).not.toThrow()
+  })
+
+  it('should have context written to a file', async () => {
+    await prepareJob(prepareJobData.args, prepareJobOutputPath)
+    const prepareJobOutputContent = fs.readFileSync(
+      prepareJobOutputPath,
+      'utf-8'
+    )
+    const parsedPrepareJobOutput = JSON.parse(prepareJobOutputContent)
+    expect(parsedPrepareJobOutput.context).toBeDefined()
+  })
+
+  it('should have container ids written to file', async () => {
+    await prepareJob(prepareJobData.args, prepareJobOutputPath)
+    const prepareJobOutputContent = fs.readFileSync(
+      prepareJobOutputPath,
+      'utf-8'
+    )
+    const parsedPrepareJobOutput = JSON.parse(prepareJobOutputContent)
+
+    expect(parsedPrepareJobOutput.context.container.id).toBeDefined()
+    expect(typeof parsedPrepareJobOutput.context.container.id).toBe('string')
+    expect(parsedPrepareJobOutput.context.container.id).toMatch(/^[0-9a-f]+$/)
+  })
+
+  it('should have ports for context written in form [containerPort]:[hostPort]', async () => {
+    await prepareJob(prepareJobData.args, prepareJobOutputPath)
+    const prepareJobOutputContent = fs.readFileSync(
+      prepareJobOutputPath,
+      'utf-8'
+    )
+    const parsedPrepareJobOutput = JSON.parse(prepareJobOutputContent)
+
+    const mainContainerPorts = parsedPrepareJobOutput.context.container.ports
+    expect(mainContainerPorts['8080']).toBe('80')
+
+    const redisService = parsedPrepareJobOutput.context.services.find(
+      s => s.image === 'redis'
+    )
+
+    const redisServicePorts = redisService.ports
+    expect(redisServicePorts['80']).toBe('8080')
+    expect(redisServicePorts['8080']).toBe('8088')
+  })
+})