diff.test.js
1 "use strict"; 2 Object.defineProperty(exports, "__esModule", { value: true }); 3 const stream_1 = require("stream"); 4 const string_decoder_1 = require("string_decoder"); 5 const cxschema = require("@aws-cdk/cloud-assembly-schema"); 6 const cloudformation_deployments_1 = require("../lib/api/cloudformation-deployments"); 7 const cdk_toolkit_1 = require("../lib/cdk-toolkit"); 8 const util_1 = require("./util"); 9 let cloudExecutable; 10 let cloudFormation; 11 let toolkit; 12 beforeEach(() => { 13 cloudExecutable = new util_1.MockCloudExecutable({ 14 stacks: [{ 15 stackName: 'A', 16 template: { resource: 'A' }, 17 }, 18 { 19 stackName: 'B', 20 depends: ['A'], 21 template: { resource: 'B' }, 22 }, 23 { 24 stackName: 'C', 25 depends: ['A'], 26 template: { resource: 'C' }, 27 metadata: { 28 '/resource': [ 29 { 30 type: cxschema.ArtifactMetadataEntryType.ERROR, 31 data: 'this is an error', 32 }, 33 ], 34 }, 35 }, 36 { 37 stackName: 'D', 38 template: { resource: 'D' }, 39 }], 40 }); 41 cloudFormation = util_1.instanceMockFrom(cloudformation_deployments_1.CloudFormationDeployments); 42 toolkit = new cdk_toolkit_1.CdkToolkit({ 43 cloudExecutable, 44 cloudFormation, 45 configuration: cloudExecutable.configuration, 46 sdkProvider: cloudExecutable.sdkProvider, 47 }); 48 // Default implementations 49 cloudFormation.readCurrentTemplate.mockImplementation((stackArtifact) => { 50 if (stackArtifact.stackName === 'D') { 51 return Promise.resolve({ resource: 'D' }); 52 } 53 return Promise.resolve({}); 54 }); 55 cloudFormation.deployStack.mockImplementation((options) => Promise.resolve({ 56 noOp: true, 57 outputs: {}, 58 stackArn: '', 59 stackArtifact: options.stack, 60 })); 61 }); 62 test('diff can diff multiple stacks', async () => { 63 // GIVEN 64 const buffer = new StringWritable(); 65 // WHEN 66 const exitCode = await toolkit.diff({ 67 stackNames: ['B'], 68 stream: buffer, 69 }); 70 // THEN 71 const plainTextOutput = buffer.data.replace(/\x1B\[[0-?]*[ -/]*[@-~]/g, ''); 72 expect(plainTextOutput).toContain('Stack A'); 73 expect(plainTextOutput).toContain('Stack B'); 74 expect(exitCode).toBe(0); 75 }); 76 test('exits with 1 with diffs and fail set to true', async () => { 77 // GIVEN 78 const buffer = new StringWritable(); 79 // WHEN 80 const exitCode = await toolkit.diff({ 81 stackNames: ['A'], 82 stream: buffer, 83 fail: true, 84 }); 85 // THEN 86 expect(exitCode).toBe(1); 87 }); 88 test('exits with 1 with diff in first stack, but not in second stack and fail set to true', async () => { 89 // GIVEN 90 const buffer = new StringWritable(); 91 // WHEN 92 const exitCode = await toolkit.diff({ 93 stackNames: ['A', 'D'], 94 stream: buffer, 95 fail: true, 96 }); 97 // THEN 98 expect(exitCode).toBe(1); 99 }); 100 test('throws an error during diffs on stack with error metadata', async () => { 101 const buffer = new StringWritable(); 102 // WHEN 103 await expect(() => toolkit.diff({ 104 stackNames: ['C'], 105 stream: buffer, 106 })).rejects.toThrow(/Found errors/); 107 }); 108 class StringWritable extends stream_1.Writable { 109 constructor(options = {}) { 110 super(options); 111 this._decoder = new string_decoder_1.StringDecoder(options && options.defaultEncoding); 112 this.data = ''; 113 } 114 _write(chunk, encoding, callback) { 115 if (encoding === 'buffer') { 116 chunk = this._decoder.write(chunk); 117 } 118 this.data += chunk; 119 callback(); 120 } 121 _final(callback) { 122 this.data += this._decoder.end(); 123 callback(); 124 } 125 } 126 //# 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{ Writable } from 'stream';\nimport { NodeStringDecoder, StringDecoder } from 'string_decoder';\nimport * as cxschema from '@aws-cdk/cloud-assembly-schema';\nimport { CloudFormationStackArtifact } from '@aws-cdk/cx-api';\nimport { CloudFormationDeployments } from '../lib/api/cloudformation-deployments';\nimport { CdkToolkit } from '../lib/cdk-toolkit';\nimport { instanceMockFrom, MockCloudExecutable } from './util';\n\nlet cloudExecutable: MockCloudExecutable;\nlet cloudFormation: jest.Mocked<CloudFormationDeployments>;\nlet toolkit: CdkToolkit;\nbeforeEach(() => {\n  cloudExecutable = new MockCloudExecutable({\n    stacks: [{\n      stackName: 'A',\n      template: { resource: 'A' },\n    },\n    {\n      stackName: 'B',\n      depends: ['A'],\n      template: { resource: 'B' },\n    },\n    {\n      stackName: 'C',\n      depends: ['A'],\n      template: { resource: 'C' },\n      metadata: {\n        '/resource': [\n          {\n            type: cxschema.ArtifactMetadataEntryType.ERROR,\n            data: 'this is an error',\n          },\n        ],\n      },\n    },\n    {\n      stackName: 'D',\n      template: { resource: 'D' },\n    }],\n  });\n\n  cloudFormation = instanceMockFrom(CloudFormationDeployments);\n\n  toolkit = new CdkToolkit({\n    cloudExecutable,\n    cloudFormation,\n    configuration: cloudExecutable.configuration,\n    sdkProvider: cloudExecutable.sdkProvider,\n  });\n\n  // Default implementations\n  cloudFormation.readCurrentTemplate.mockImplementation((stackArtifact: CloudFormationStackArtifact) => {\n    if (stackArtifact.stackName === 'D') {\n      return Promise.resolve({ resource: 'D' });\n    }\n    return Promise.resolve({});\n  });\n  cloudFormation.deployStack.mockImplementation((options) => Promise.resolve({\n    noOp: true,\n    outputs: {},\n    stackArn: '',\n    stackArtifact: options.stack,\n  }));\n});\n\ntest('diff can diff multiple stacks', async () => {\n  // GIVEN\n  const buffer = new StringWritable();\n\n  // WHEN\n  const exitCode = await toolkit.diff({\n    stackNames: ['B'],\n    stream: buffer,\n  });\n\n  // THEN\n  const plainTextOutput = buffer.data.replace(/\\x1B\\[[0-?]*[ -/]*[@-~]/g, '');\n  expect(plainTextOutput).toContain('Stack A');\n  expect(plainTextOutput).toContain('Stack B');\n\n  expect(exitCode).toBe(0);\n});\n\ntest('exits with 1 with diffs and fail set to true', async () => {\n  // GIVEN\n  const buffer = new StringWritable();\n\n  // WHEN\n  const exitCode = await toolkit.diff({\n    stackNames: ['A'],\n    stream: buffer,\n    fail: true,\n  });\n\n  // THEN\n  expect(exitCode).toBe(1);\n});\n\ntest('exits with 1 with diff in first stack, but not in second stack and fail set to true', async () => {\n  // GIVEN\n  const buffer = new StringWritable();\n\n  // WHEN\n  const exitCode = await toolkit.diff({\n    stackNames: ['A', 'D'],\n    stream: buffer,\n    fail: true,\n  });\n\n  // THEN\n  expect(exitCode).toBe(1);\n});\n\ntest('throws an error during diffs on stack with error metadata', async () => {\n  const buffer = new StringWritable();\n\n  // WHEN\n  await expect(() => toolkit.diff({\n    stackNames: ['C'],\n    stream: buffer,\n  })).rejects.toThrow(/Found errors/);\n});\n\nclass StringWritable extends Writable {\n  public data: string;\n  private readonly _decoder: NodeStringDecoder;\n\n  constructor(options: any = {}) {\n    super(options);\n    this._decoder = new StringDecoder(options && options.defaultEncoding);\n    this.data = '';\n  }\n\n  public _write(chunk: any, encoding: string, callback: (error?: Error | undefined) => void) {\n    if (encoding === 'buffer') {\n      chunk = this._decoder.write(chunk);\n    }\n    this.data += chunk;\n    callback();\n  }\n\n  public _final(callback: (error?: Error | null) => void) {\n    this.data += this._decoder.end();\n    callback();\n  }\n}\n"]}