Merge pull request #1295 from Budibase/integrations-tests

Integrations tests

packages/server/__mocks__/@elastic/elasticsearch.js

@@ -0,0 +1,24 @@
+const elastic = {}
+
+elastic.Client = function() {
+  this.index = jest.fn().mockResolvedValue({ body: [] })
+  this.search = jest.fn().mockResolvedValue({
+    body: {
+      hits: {
+        hits: [
+          {
+            _source: {
+              name: "test",
+            },
+          },
+        ],
+      },
+    },
+  })
+  this.update = jest.fn().mockResolvedValue({ body: [] })
+  this.delete = jest.fn().mockResolvedValue({ body: [] })
+
+  this.close = jest.fn()
+}
+
+module.exports = elastic

packages/server/__mocks__/airtable.js

@@ -0,0 +1,5 @@
+function Airtable() {
+  this.base = jest.fn()
+}
+
+module.exports = Airtable

packages/server/__mocks__/arangojs.js

@@ -0,0 +1,21 @@
+const arangodb = {}
+
+arangodb.Database = function() {
+  this.query = jest.fn(() => ({
+    all: jest.fn(),
+  }))
+  this.collection = jest.fn(() => "collection")
+  this.close = jest.fn()
+}
+
+arangodb.aql = (strings, ...args) => {
+  let str = strings.join("{}")
+
+  for (let arg of args) {
+    str = str.replace("{}", arg)
+  }
+
+  return str
+}
+
+module.exports = arangodb

packages/server/__mocks__/aws-sdk.js

@@ -0,0 +1,38 @@
+const aws = {}
+
+const response = body => () => ({ promise: () => body })
+
+function DocumentClient() {
+  this.put = jest.fn(response({}))
+  this.query = jest.fn(
+    response({
+      Items: [],
+    })
+  )
+  this.scan = jest.fn(
+    response({
+      Items: [
+        {
+          Name: "test",
+        },
+      ],
+    })
+  )
+  this.get = jest.fn(response({}))
+  this.update = jest.fn(response({}))
+  this.delete = jest.fn(response({}))
+}
+
+function S3() {
+  this.listObjects = jest.fn(
+    response({
+      Contents: {},
+    })
+  )
+}
+
+aws.DynamoDB = { DocumentClient }
+aws.S3 = S3
+aws.config = { update: jest.fn() }
+
+module.exports = aws

packages/server/__mocks__/mongodb.js

@@ -0,0 +1,19 @@
+const mongodb = {}
+
+mongodb.MongoClient = function() {
+  this.connect = jest.fn()
+  this.close = jest.fn()
+  this.insertOne = jest.fn()
+  this.find = jest.fn(() => ({ toArray: () => [] }))
+
+  this.collection = jest.fn(() => ({
+    insertOne: this.insertOne,
+    find: this.find,
+  }))
+
+  this.db = () => ({
+    collection: this.collection,
+  })
+}
+
+module.exports = mongodb

packages/server/__mocks__/mssql.js

@@ -0,0 +1,14 @@
+const mssql = {}
+
+mssql.query = jest.fn(() => ({
+  recordset: [
+    {
+      a: "string",
+      b: 1,
+    },
+  ],
+}))
+
+mssql.connect = jest.fn(() => ({ recordset: [] }))
+
+module.exports = mssql

packages/server/__mocks__/mysql.js

@@ -0,0 +1,10 @@
+const mysql = {}
+
+const client = {
+  connect: jest.fn(),
+  query: jest.fn(),
+}
+
+mysql.createConnection = jest.fn(() => client)
+
+module.exports = mysql

packages/server/__mocks__/pg.js

@@ -3,18 +3,16 @@ const pg = {}
 // constructor
 function Client() {}
 
-Client.prototype.query = async function() {
-  return {
-    rows: [
-      {
-        a: "string",
-        b: 1,
-      },
-    ],
-  }
-}
+Client.prototype.query = jest.fn(() => ({
+  rows: [
+    {
+      a: "string",
+      b: 1,
+    },
+  ],
+}))
 
-Client.prototype.connect = async function() {}
+Client.prototype.connect = jest.fn()
 
 pg.Client = Client
 

packages/server/build/pouchdb.js

@@ -0,0 +1,9 @@
+function CouchDB() {
+  this.post = jest.fn()
+  this.allDocs = jest.fn(() => ({ rows: [] }))
+  this.put = jest.fn()
+  this.remove = jest.fn()
+  this.plugin = jest.fn()
+}
+
+module.exports = CouchDB

packages/server/src/integrations/dynamodb.js

@@ -166,7 +166,7 @@ class DynamoDBIntegration {
 
   async update(query) {
     const params = {
-      TableName: query.Table,
+      TableName: query.table,
       ...query.json,
     }
     return this.client.update(params).promise()

packages/server/src/integrations/microsoftSqlServer.js

@@ -65,7 +65,7 @@ class SqlServerIntegration {
     try {
       await this.connect()
       const response = await this.client.query(query.sql)
-      return response.recordset
+      return response.recordset || [{ created: true }]
     } catch (err) {
       console.error("Error querying MS SQL Server", err)
       throw err

packages/server/src/integrations/mysql.js

@@ -73,20 +73,23 @@ class MySQLIntegration {
     })
   }
 
-  create(query) {
-    return this.query(query)
+  async create(query) {
+    const results = await this.query(query)
+    return results.length ? results : [{ created: true }]
   }
 
   read(query) {
     return this.query(query)
   }
 
-  update(query) {
-    return this.query(query)
+  async update(query) {
+    const results = await this.query(query)
+    return results.length ? results : [{ updated: true }]
   }
 
-  delete(query) {
-    return this.query(query)
+  async delete(query) {
+    const results = await this.query(query)
+    return results.length ? results : [{ deleted: true }]
   }
 }
 

packages/server/src/integrations/tests/airtable.spec.js

@@ -0,0 +1,70 @@
+const Airtable = require("airtable")
+const AirtableIntegration = require("../airtable")
+jest.mock("airtable")
+
+class TestConfiguration {
+  constructor(config = {}) {
+    this.integration = new AirtableIntegration.integration(config) 
+    this.client = {
+      create: jest.fn(),
+      select: jest.fn(),
+      update: jest.fn(),
+      destroy: jest.fn(),
+    }
+    this.integration.client = () => this.client 
+  }
+}
+
+describe("Airtable Integration", () => {
+  let config 
+
+  beforeEach(() => {
+    config = new TestConfiguration()
+  })
+
+  it("calls the create method with the correct params", async () => {
+    const response = await config.integration.create({
+      table: "test",
+      json: {}
+    })
+    expect(config.client.create).toHaveBeenCalledWith([
+      {
+        fields: {}
+      }
+    ])
+  })
+
+  it("calls the read method with the correct params", async () => {
+    const response = await config.integration.read({
+      table: "test",
+      view: "Grid view"
+    })
+    expect(config.client.select).toHaveBeenCalledWith({
+      maxRecords: 10, view: "Grid view"
+    })
+  })
+
+  it("calls the update method with the correct params", async () => {
+    const response = await config.integration.update({
+      table: "test",
+      id: "123",
+      json: {
+        name: "test"
+      }
+    })
+    expect(config.client.update).toHaveBeenCalledWith([
+      {
+        id: "123",
+        fields: { name: "test" }
+      }
+    ])
+  })
+
+  it("calls the delete method with the correct params", async () => {
+    const ids = [1,2,3,4]
+    const response = await config.integration.delete({
+      ids
+    })
+    expect(config.client.destroy).toHaveBeenCalledWith(ids)
+  })
+})

packages/server/src/integrations/tests/arangodb.spec.js

@@ -0,0 +1,35 @@
+const arangodb = require("arangojs")
+const ArangoDBIntegration = require("../arangodb")
+jest.mock("arangojs")
+
+class TestConfiguration {
+  constructor(config = {}) {
+    this.integration = new ArangoDBIntegration.integration(config) 
+  }
+}
+
+describe("ArangoDB Integration", () => {
+  let config 
+  let indexName = "Users"
+
+  beforeEach(() => {
+    config = new TestConfiguration()
+  })
+
+  it("calls the create method with the correct params", async () => {
+    const body = {
+      json: "Hello"
+    }
+
+    const response = await config.integration.create(body)
+    expect(config.integration.client.query).toHaveBeenCalledWith(`INSERT Hello INTO collection RETURN NEW`)
+  })
+
+  it("calls the read method with the correct params", async () => {
+    const query = {
+      json: `test`, 
+    }
+    const response = await config.integration.read(query)
+    expect(config.integration.client.query).toHaveBeenCalledWith(query.sql)
+  })
+})

packages/server/src/integrations/tests/couchdb.spec.js

@@ -0,0 +1,68 @@
+const PouchDB = require("pouchdb")
+const CouchDBIntegration = require("../couchdb")
+jest.mock("pouchdb", () => function CouchDBMock() {
+  this.post = jest.fn()
+  this.allDocs = jest.fn(() => ({ rows: [] }))
+  this.put = jest.fn()
+  this.remove = jest.fn()
+  this.plugin = jest.fn()
+})
+
+
+class TestConfiguration {
+  constructor(config = {}) {
+    this.integration = new CouchDBIntegration.integration(config) 
+  }
+}
+
+describe("CouchDB Integration", () => {
+  let config 
+
+  beforeEach(() => {
+    config = new TestConfiguration()
+  })
+
+  it("calls the create method with the correct params", async () => {
+    const doc = {
+      test: 1
+    } 
+    const response = await config.integration.create({ 
+      json: doc
+    })
+    expect(config.integration.client.post).toHaveBeenCalledWith(doc)
+  })
+
+  it("calls the read method with the correct params", async () => {
+    const doc = {
+      name: "search" 
+    } 
+
+    const response = await config.integration.read({ 
+      json: doc
+    })
+
+    expect(config.integration.client.allDocs).toHaveBeenCalledWith({
+      include_docs: true,
+      name: "search"
+    })
+  })
+
+  it("calls the update method with the correct params", async () => {
+    const doc = {
+      _id: "1234",
+      name: "search" 
+    } 
+
+    const response = await config.integration.update({ 
+      json: doc
+    })
+
+    expect(config.integration.client.put).toHaveBeenCalledWith(doc)
+  })
+
+  it("calls the delete method with the correct params", async () => {
+    const id = "1234"
+    const response = await config.integration.delete({ id })
+    expect(config.integration.client.remove).toHaveBeenCalledWith(id)
+  })
+})

packages/server/src/integrations/tests/dynamodb.spec.js

@@ -0,0 +1,103 @@
+const AWS = require("aws-sdk")
+const DynamoDBIntegration = require("../dynamodb")
+jest.mock("aws-sdk")
+
+class TestConfiguration {
+  constructor(config = {}) {
+    this.integration = new DynamoDBIntegration.integration(config) 
+  }
+}
+
+describe("DynamoDB Integration", () => {
+  let config 
+  let tableName = "Users"
+
+  beforeEach(() => {
+    config = new TestConfiguration()
+  })
+
+  it("calls the create method with the correct params", async () => {
+    const response = await config.integration.create({ 
+      table: tableName,
+      json: {
+        Name: "John"
+      }
+    })
+    expect(config.integration.client.put).toHaveBeenCalledWith({
+      TableName: tableName,
+      Name: "John"
+    })
+  })
+
+  it("calls the read method with the correct params", async () => {
+    const indexName = "Test"
+
+    const response = await config.integration.read({ 
+      table: tableName,
+      index: indexName, 
+      json: {}
+    })
+    expect(config.integration.client.query).toHaveBeenCalledWith({
+      TableName: tableName,
+      IndexName: indexName,
+    })
+    expect(response).toEqual([])
+  })
+
+  it("calls the scan method with the correct params", async () => {
+    const indexName = "Test"
+
+    const response = await config.integration.scan({ 
+      table: tableName,
+      index: indexName, 
+      json: {}
+    })
+    expect(config.integration.client.scan).toHaveBeenCalledWith({
+      TableName: tableName,
+      IndexName: indexName,
+    })
+    expect(response).toEqual([{
+      Name: "test"
+    }])
+  })
+
+  it("calls the get method with the correct params", async () => {
+    const response = await config.integration.get({ 
+      table: tableName,
+      json: {
+        Id: 123
+      }
+    })
+
+    expect(config.integration.client.get).toHaveBeenCalledWith({
+      TableName: tableName,
+      Id: 123
+    })
+  })
+
+  it("calls the update method with the correct params", async () => {
+    const response = await config.integration.update({ 
+      table: tableName,
+      json: {
+        Name: "John"
+      }
+    })
+    expect(config.integration.client.update).toHaveBeenCalledWith({
+      TableName: tableName,
+      Name: "John"
+    })
+  })
+
+  it("calls the delete method with the correct params", async () => {
+    const response = await config.integration.delete({ 
+      table: tableName,
+      json: {
+        Name: "John"
+      }
+    })
+    expect(config.integration.client.delete).toHaveBeenCalledWith({
+      TableName: tableName,
+      Name: "John"
+    })
+  })
+})

packages/server/src/integrations/tests/elasticsearch.spec.js

@@ -0,0 +1,81 @@
+const elasticsearch = require("@elastic/elasticsearch")
+const ElasticSearchIntegration = require("../elasticsearch")
+jest.mock("@elastic/elasticsearch")
+
+class TestConfiguration {
+  constructor(config = {}) {
+    this.integration = new ElasticSearchIntegration.integration(config) 
+  }
+}
+
+describe("Elasticsearch Integration", () => {
+  let config 
+  let indexName = "Users"
+
+  beforeEach(() => {
+    config = new TestConfiguration()
+  })
+
+  it("calls the create method with the correct params", async () => {
+    const body = {
+      name: "Hello"
+    }
+    const response = await config.integration.create({ 
+      index: indexName,
+      json: body
+    })
+    expect(config.integration.client.index).toHaveBeenCalledWith({
+      index: indexName,
+      body 
+    })
+  })
+
+  it("calls the read method with the correct params", async () => {
+    const body = {
+      query: {
+        term: {
+          name: "kimchy"
+        }
+      }
+    }
+    const response = await config.integration.read({ 
+      index: indexName,
+      json: body
+    })
+    expect(config.integration.client.search).toHaveBeenCalledWith({
+      index: indexName,
+      body 
+    })
+    expect(response).toEqual(expect.any(Array))
+  })
+
+  it("calls the update method with the correct params", async () => {
+    const body = {
+      name: "updated"
+    }
+
+    const response = await config.integration.update({ 
+      id: "1234",
+      index: indexName,
+      json: body
+    })
+
+    expect(config.integration.client.update).toHaveBeenCalledWith({
+      id: "1234",
+      index: indexName,
+      body 
+    })
+    expect(response).toEqual(expect.any(Array))
+  })
+
+  it("calls the delete method with the correct params", async () => {
+    const body = {
+      id: "1234"
+    }
+
+    const response = await config.integration.delete(body)
+
+    expect(config.integration.client.delete).toHaveBeenCalledWith(body)
+    expect(response).toEqual(expect.any(Array))
+  })
+})

packages/server/src/integrations/tests/microsoftSqlServer.spec.js

@@ -0,0 +1,47 @@
+const sqlServer = require("mssql")
+const MSSQLIntegration = require("../microsoftSqlServer")
+jest.mock("mssql")
+
+class TestConfiguration {
+  constructor(config = {}) {
+    this.integration = new MSSQLIntegration.integration(config) 
+  }
+}
+
+describe("MS SQL Server Integration", () => {
+  let config 
+
+  beforeEach(() => {
+    config = new TestConfiguration()
+  })
+
+  it("calls the create method with the correct params", async () => {
+    const sql = "insert into users (name, age) values ('Joe', 123);"
+    const response = await config.integration.create({ 
+      sql
+    })
+    expect(config.integration.client.query).toHaveBeenCalledWith(sql)
+  })
+
+  it("calls the read method with the correct params", async () => {
+    const sql = "select * from users;"
+    const response = await config.integration.read({ 
+      sql
+    })
+    expect(config.integration.client.query).toHaveBeenCalledWith(sql)
+  })
+
+  describe("no rows returned", () => {
+    beforeEach(() => {
+      config.integration.client.query.mockImplementation(() => ({ rows: [] }))
+    })
+
+    it("returns the correct response when the create response has no rows", async () => {
+    const sql = "insert into users (name, age) values ('Joe', 123);"
+      const response = await config.integration.create({ 
+        sql
+      })
+      expect(response).toEqual([{ created: true }])
+    })
+  })
+})

packages/server/src/integrations/tests/mongo.spec.js

@@ -0,0 +1,40 @@
+const mongo = require("mongodb")
+const MongoDBIntegration = require("../mongodb")
+jest.mock("mongodb")
+
+class TestConfiguration {
+  constructor(config = {}) {
+    this.integration = new MongoDBIntegration.integration(config) 
+  }
+}
+
+describe("MongoDB Integration", () => {
+  let config 
+  let indexName = "Users"
+
+  beforeEach(() => {
+    config = new TestConfiguration()
+  })
+
+  it("calls the create method with the correct params", async () => {
+    const body = {
+      name: "Hello"
+    }
+    const response = await config.integration.create({ 
+      index: indexName,
+      json: body
+    })
+    expect(config.integration.client.insertOne).toHaveBeenCalledWith(body)
+  })
+
+  it("calls the read method with the correct params", async () => {
+    const query = {
+      json: {
+        address: "test"
+      }
+    }
+    const response = await config.integration.read(query)
+    expect(config.integration.client.find).toHaveBeenCalledWith(query.json)
+    expect(response).toEqual(expect.any(Array))
+  })
+})

packages/server/src/integrations/tests/mysql.spec.js

@@ -0,0 +1,83 @@
+const pg = require("mysql")
+const MySQLIntegration = require("../mysql")
+jest.mock("mysql")
+
+class TestConfiguration {
+  constructor(config = { ssl: {} }) {
+    this.integration = new MySQLIntegration.integration(config) 
+    this.query = jest.fn(() => [{ id: 1 }])
+    this.integration.query = this.query
+  }
+}
+
+describe("MySQL Integration", () => {
+  let config 
+
+  beforeEach(() => {
+    config = new TestConfiguration()
+  })
+
+  it("calls the create method with the correct params", async () => {
+    const sql = "insert into users (name, age) values ('Joe', 123);"
+    const response = await config.integration.create({ 
+      sql
+    })
+    expect(config.query).toHaveBeenCalledWith({ sql })
+  })
+
+  it("calls the read method with the correct params", async () => {
+    const sql = "select * from users;"
+    const response = await config.integration.read({ 
+      sql
+    })
+    expect(config.query).toHaveBeenCalledWith({
+      sql
+    })
+  })
+
+  it("calls the update method with the correct params", async () => {
+    const sql = "update table users set name = 'test';"
+    const response = await config.integration.update({ 
+      sql
+    })
+    expect(config.query).toHaveBeenCalledWith({ sql })
+  })
+
+  it("calls the delete method with the correct params", async () => {
+    const sql = "delete from users where name = 'todelete';"
+    const response = await config.integration.delete({ 
+      sql
+    })
+    expect(config.query).toHaveBeenCalledWith({ sql })
+  })
+
+  describe("no rows returned", () => {
+    beforeEach(() => {
+      config.query.mockImplementation(() => [])
+    })
+
+    it("returns the correct response when the create response has no rows", async () => {
+    const sql = "insert into users (name, age) values ('Joe', 123);"
+      const response = await config.integration.create({ 
+        sql
+      })
+      expect(response).toEqual([{ created: true }])
+    })
+
+    it("returns the correct response when the update response has no rows", async () => {
+      const sql = "update table users set name = 'test';"
+      const response = await config.integration.update({ 
+        sql
+      })
+      expect(response).toEqual([{ updated: true }])
+    })
+
+    it("returns the correct response when the delete response has no rows", async () => {
+      const sql = "delete from users where name = 'todelete';"
+      const response = await config.integration.delete({ 
+        sql
+      })
+      expect(response).toEqual([{ deleted: true }])
+    })
+  })
+})

packages/server/src/integrations/tests/postgres.spec.js

@@ -0,0 +1,79 @@
+const pg = require("pg")
+const PostgresIntegration = require("../postgres")
+jest.mock("pg")
+
+class TestConfiguration {
+  constructor(config = {}) {
+    this.integration = new PostgresIntegration.integration(config) 
+  }
+}
+
+describe("Postgres Integration", () => {
+  let config 
+
+  beforeEach(() => {
+    config = new TestConfiguration()
+  })
+
+  it("calls the create method with the correct params", async () => {
+    const sql = "insert into users (name, age) values ('Joe', 123);"
+    const response = await config.integration.create({ 
+      sql
+    })
+    expect(config.integration.client.query).toHaveBeenCalledWith(sql)
+  })
+
+  it("calls the read method with the correct params", async () => {
+    const sql = "select * from users;"
+    const response = await config.integration.read({ 
+      sql
+    })
+    expect(config.integration.client.query).toHaveBeenCalledWith(sql)
+  })
+
+  it("calls the update method with the correct params", async () => {
+    const sql = "update table users set name = 'test';"
+    const response = await config.integration.update({ 
+      sql
+    })
+    expect(config.integration.client.query).toHaveBeenCalledWith(sql)
+  })
+
+  it("calls the delete method with the correct params", async () => {
+    const sql = "delete from users where name = 'todelete';"
+    const response = await config.integration.delete({ 
+      sql
+    })
+    expect(config.integration.client.query).toHaveBeenCalledWith(sql)
+  })
+
+  describe("no rows returned", () => {
+    beforeEach(() => {
+      config.integration.client.query.mockImplementation(() => ({ rows: [] }))
+    })
+
+    it("returns the correct response when the create response has no rows", async () => {
+    const sql = "insert into users (name, age) values ('Joe', 123);"
+      const response = await config.integration.create({ 
+        sql
+      })
+      expect(response).toEqual([{ created: true }])
+    })
+
+    it("returns the correct response when the update response has no rows", async () => {
+      const sql = "update table users set name = 'test';"
+      const response = await config.integration.update({ 
+        sql
+      })
+      expect(response).toEqual([{ updated: true }])
+    })
+
+    it("returns the correct response when the delete response has no rows", async () => {
+      const sql = "delete from users where name = 'todelete';"
+      const response = await config.integration.delete({ 
+        sql
+      })
+      expect(response).toEqual([{ deleted: true }])
+    })
+  })
+})

packages/server/src/integrations/tests/rest.spec.js

@@ -0,0 +1,98 @@
+const fetch = require("node-fetch")
+const RestIntegration = require("../rest")
+jest.mock("node-fetch", () => jest.fn(() => ({ json: jest.fn(), text: jest.fn() })))
+
+class TestConfiguration {
+  constructor(config = {}) {
+    this.integration = new RestIntegration.integration(config) 
+  }
+}
+
+describe("REST Integration", () => {
+  const BASE_URL = "https://myapi.com"
+  let config 
+
+  beforeEach(() => {
+    config = new TestConfiguration({
+      url: BASE_URL
+    })
+  })
+
+  it("calls the create method with the correct params", async () => {
+    const query = {
+      path: "/api",
+      queryString: "?test=1",
+      headers: {
+        Accept: "application/json"
+      },
+      json: {
+        name: "test"
+      }
+    }
+    const response = await config.integration.create(query)
+    expect(fetch).toHaveBeenCalledWith(`${BASE_URL}/api?test=1`, {
+      method: "POST",
+      body: "{\"name\":\"test\"}",
+      headers: {
+        Accept: "application/json"
+      }
+    })
+  })
+
+  it("calls the read method with the correct params", async () => {
+    const query = {
+      path: "/api",
+      queryString: "?test=1",
+      headers: {
+        Accept: "text/html"
+      }
+    }
+    const response = await config.integration.read(query)
+    expect(fetch).toHaveBeenCalledWith(`${BASE_URL}/api?test=1`, {
+      headers: {
+        Accept: "text/html"
+      }
+    })
+  })
+
+  it("calls the update method with the correct params", async () => {
+    const query = {
+      path: "/api",
+      queryString: "?test=1",
+      headers: {
+        Accept: "application/json"
+      },
+      json: {
+        name: "test"
+      }
+    }
+    const response = await config.integration.update(query)
+    expect(fetch).toHaveBeenCalledWith(`${BASE_URL}/api?test=1`, {
+      method: "POST",
+      body: "{\"name\":\"test\"}",
+      headers: {
+        Accept: "application/json"
+      }
+    })
+  })
+
+  it("calls the delete method with the correct params", async () => {
+    const query = {
+      path: "/api",
+      queryString: "?test=1",
+      headers: {
+        Accept: "application/json"
+      },
+      json: {
+        name: "test"
+      }
+    }
+    const response = await config.integration.delete(query)
+    expect(fetch).toHaveBeenCalledWith(`${BASE_URL}/api?test=1`, {
+      method: "DELETE",
+      headers: {
+        Accept: "application/json"
+      }
+    })
+  })
+})

packages/server/src/integrations/tests/s3.spec.js

@@ -0,0 +1,26 @@
+const AWS = require("aws-sdk")
+const S3Integration = require("../s3")
+jest.mock("aws-sdk")
+
+class TestConfiguration {
+  constructor(config = {}) {
+    this.integration = new S3Integration.integration(config) 
+  }
+}
+
+describe("S3 Integration", () => {
+  let config 
+
+  beforeEach(() => {
+    config = new TestConfiguration()
+  })
+
+  it("calls the read method with the correct params", async () => {
+    const response = await config.integration.read({ 
+      bucket: "test"
+    })
+    expect(config.integration.client.listObjects).toHaveBeenCalledWith({
+      Bucket: "test"
+    })
+  })
+})