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tests.js
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tests.js
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'use strict';
const path = require('path');
const BbPromise = require('bluebird');
const { expect } = require('chai');
const log = require('log').get('serverless:test');
const { getTmpDirPath } = require('../../utils/fs');
const { createBucket, createAndRemoveInBucket, deleteBucket } = require('../../utils/s3');
const { createTestService, deployService, removeService } = require('../../utils/integration');
const { confirmCloudWatchLogs } = require('../../utils/misc');
describe('AWS - S3 Integration Test', function() {
this.timeout(1000 * 60 * 10); // Involves time-taking deploys
let serviceName;
let stackName;
let tmpDirPath;
let bucketMinimalSetup;
let bucketExtendedSetup;
let bucketCustomName;
let bucketExistingSimpleSetup;
let bucketExistingComplexSetup;
const stage = 'dev';
before(async () => {
tmpDirPath = getTmpDirPath();
log.notice(`Temporary path: ${tmpDirPath}`);
const serverlessConfig = await createTestService(tmpDirPath, {
templateDir: path.join(__dirname, 'service'),
filesToAdd: [path.join(__dirname, '..', 'shared')],
serverlessConfigHook:
// Ensure unique S3 bucket names for each test (to avoid collision among concurrent CI runs)
config => {
bucketMinimalSetup = `${config.service}-s3-minimal`;
bucketExtendedSetup = `${config.service}-s3-extended`;
bucketCustomName = `${config.service}-custom-bucket-${stage}`;
bucketExistingSimpleSetup = `${config.service}-s3-existing-simple`;
bucketExistingComplexSetup = `${config.service}-s3-existing-complex`;
config.functions.minimal.events[0].s3 = bucketMinimalSetup;
config.functions.extended.events[0].s3.bucket = bucketExtendedSetup;
config.provider.s3.customBucket.name = bucketCustomName;
config.functions.existing.events[0].s3.bucket = bucketExistingSimpleSetup;
config.functions.existingCreated.events[0].s3.bucket = bucketExistingComplexSetup;
config.functions.existingCreated.events[1].s3.bucket = bucketExistingComplexSetup;
config.functions.existingRemoved.events[0].s3.bucket = bucketExistingComplexSetup;
config.functions.existingRemoved.events[1].s3.bucket = bucketExistingComplexSetup;
},
});
serviceName = serverlessConfig.service;
stackName = `${serviceName}-${stage}`;
// create external S3 buckets
// NOTE: deployment can only be done once the S3 buckets are created
log.notice('Creating S3 buckets...');
return BbPromise.all([
createBucket(bucketExistingSimpleSetup),
createBucket(bucketExistingComplexSetup),
]).then(() => {
log.notice(`Deploying "${stackName}" service...`);
return deployService(tmpDirPath);
});
});
after(async () => {
log.notice('Removing service...');
await removeService(tmpDirPath);
log.notice('Deleting S3 buckets');
return BbPromise.all([
deleteBucket(bucketExistingSimpleSetup),
deleteBucket(bucketExistingComplexSetup),
]);
});
describe('Minimal Setup', () => {
it('should invoke function when an object is created', () => {
const functionName = 'minimal';
const expectedMessage = `Hello from S3! - (${functionName})`;
return confirmCloudWatchLogs(`/aws/lambda/${stackName}-${functionName}`, () =>
createAndRemoveInBucket(bucketMinimalSetup)
).then(events => {
const logs = events.reduce((data, event) => data + event.message, '');
expect(/aws:s3/g.test(logs)).to.equal(true);
expect(/ObjectCreated:Put/g.test(logs)).to.equal(true);
expect(logs.includes(expectedMessage)).to.equal(true);
});
});
});
describe('Extended Setup', () => {
it('should invoke function when an object is removed', () => {
const functionName = 'extended';
const expectedMessage = `Hello from S3! - (${functionName})`;
return confirmCloudWatchLogs(`/aws/lambda/${stackName}-${functionName}`, () =>
createAndRemoveInBucket(bucketExtendedSetup, { prefix: 'photos/', suffix: '.jpg' })
).then(events => {
const logs = events.reduce((data, event) => data + event.message, '');
expect(/aws:s3/g.test(logs)).to.equal(true);
expect(/ObjectRemoved:Delete/g.test(logs)).to.equal(true);
expect(logs.includes(expectedMessage)).to.equal(true);
});
});
});
describe('Custom Setup', () => {
it('should invoke function when an object is created', () => {
const functionName = 'custom';
const expectedMessage = `Hello from S3! - (${functionName})`;
return confirmCloudWatchLogs(`/aws/lambda/${stackName}-${functionName}`, () =>
createAndRemoveInBucket(bucketCustomName)
).then(events => {
const logs = events.reduce((data, event) => data + event.message, '');
expect(/aws:s3/g.test(logs)).to.equal(true);
expect(/ObjectCreated:Put/g.test(logs)).to.equal(true);
expect(logs.includes(expectedMessage)).to.equal(true);
});
});
});
describe('Existing Setup', () => {
describe('Single function / single bucket setup', () => {
it('should invoke function when an object is created', () => {
const functionName = 'existing';
const expectedMessage = `Hello from S3! - (${functionName})`;
return confirmCloudWatchLogs(`/aws/lambda/${stackName}-${functionName}`, () =>
createAndRemoveInBucket(bucketExistingSimpleSetup, {
prefix: 'Files/',
suffix: '.TXT',
})
).then(events => {
const logs = events.reduce((data, event) => data + event.message, '');
expect(/aws:s3/g.test(logs)).to.equal(true);
expect(/ObjectCreated:Put/g.test(logs)).to.equal(true);
expect(logs.includes(expectedMessage)).to.equal(true);
});
});
});
describe('Multi function / multi bucket setup', () => {
it('should invoke function when a .jpg object is created', () => {
const functionName = 'existingCreated';
const expectedMessage = `Hello from S3! - (${functionName})`;
return confirmCloudWatchLogs(`/aws/lambda/${stackName}-${functionName}`, () =>
createAndRemoveInBucket(bucketExistingComplexSetup, {
prefix: 'photos',
suffix: '.jpg',
})
).then(events => {
const logs = events.reduce((data, event) => data + event.message, '');
expect(/aws:s3/g.test(logs)).to.equal(true);
expect(/ObjectCreated:Put/g.test(logs)).to.equal(true);
expect(logs.includes(expectedMessage)).to.equal(true);
});
});
it('should invoke function when a .jpg object is removed', () => {
const functionName = 'existingRemoved';
const expectedMessage = `Hello from S3! - (${functionName})`;
return confirmCloudWatchLogs(`/aws/lambda/${stackName}-${functionName}`, () =>
createAndRemoveInBucket(bucketExistingComplexSetup, {
prefix: 'photos',
suffix: '.jpg',
})
).then(events => {
const logs = events.reduce((data, event) => data + event.message, '');
expect(/aws:s3/g.test(logs)).to.equal(true);
expect(/ObjectRemoved:Delete/g.test(logs)).to.equal(true);
expect(logs.includes(expectedMessage)).to.equal(true);
});
});
it('should invoke function when a .png object is created', () => {
const functionName = 'existingCreated';
const expectedMessage = `Hello from S3! - (${functionName})`;
return confirmCloudWatchLogs(`/aws/lambda/${stackName}-${functionName}`, () =>
createAndRemoveInBucket(bucketExistingComplexSetup, {
prefix: 'photos',
suffix: '.png',
})
).then(events => {
const logs = events.reduce((data, event) => data + event.message, '');
expect(/aws:s3/g.test(logs)).to.equal(true);
expect(/ObjectCreated:Put/g.test(logs)).to.equal(true);
expect(logs.includes(expectedMessage)).to.equal(true);
});
});
it('should invoke function when a .png object is removed', () => {
const functionName = 'existingRemoved';
const expectedMessage = `Hello from S3! - (${functionName})`;
return confirmCloudWatchLogs(`/aws/lambda/${stackName}-${functionName}`, () =>
createAndRemoveInBucket(bucketExistingComplexSetup, {
prefix: 'photos',
suffix: '.png',
})
).then(events => {
const logs = events.reduce((data, event) => data + event.message, '');
expect(/aws:s3/g.test(logs)).to.equal(true);
expect(/ObjectRemoved:Delete/g.test(logs)).to.equal(true);
expect(logs.includes(expectedMessage)).to.equal(true);
});
});
});
});
});