initial commit

Author: Peter Grainger

.gitignore

@@ -89,3 +89,5 @@ typings/
 
 # DynamoDB Local files
 .dynamodb/
+
+lib/

.vscode/launch.json

@@ -0,0 +1,35 @@
+{
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "type": "node",
+      "request": "launch",
+      "name": "Jest All",
+      "program": "${workspaceFolder}/node_modules/.bin/jest",
+      "args": ["--runInBand"],
+      "console": "integratedTerminal",
+      "internalConsoleOptions": "neverOpen",
+      "disableOptimisticBPs": true,
+      "windows": {
+        "program": "${workspaceFolder}/node_modules/jest/bin/jest",
+      }
+    },
+    {
+      "type": "node",
+      "request": "launch",
+      "name": "Jest Current File",
+      "program": "${workspaceFolder}/node_modules/.bin/jest",
+      "args": [
+        "${fileBasenameNoExtension}",
+        "--config",
+        "jest.config.js"
+      ],
+      "console": "integratedTerminal",
+      "internalConsoleOptions": "neverOpen",
+      "disableOptimisticBPs": true,
+      "windows": {
+        "program": "${workspaceFolder}/node_modules/jest/bin/jest",
+      }
+    }
+  ]
+}

__tests__/context.json

@@ -0,0 +1,51 @@
+import {createBranch} from '../src/create-branch'
+import { readFileSync } from 'fs';
+
+describe('Create a branch based on the input', () => {
+
+  let githubMock;
+  let contextMock;
+  let branch = 'release-v1';
+  let octokitMock;
+
+  beforeEach(()=> {
+    octokitMock = {
+      git: {
+        createRef: jest.fn()
+      }
+    }
+  })
+
+  beforeEach(()=> {
+    githubMock = jest.fn().mockImplementation(() => {
+      return octokitMock;
+    })
+  })
+
+  beforeEach(() => {
+    contextMock = JSON.parse(readFileSync('__tests__/context.json', 'utf8'))
+  })
+
+  beforeEach(() => {
+    process.env.GITHUB_TOKEN = 'token'
+  })
+
+
+  it('Create new branch', async () => {
+    await createBranch(githubMock, contextMock, branch)
+    expect(octokitMock.git.createRef).toHaveBeenCalledWith({
+      ref: 'refs/heads/release-v1',
+      sha: 'ebb4992dc72451c1c6c99e1cce9d741ec0b5b7d7'
+    })
+  });
+
+  it('fails if github token isn\'t defined', async() => {
+    delete process.env.GITHUB_TOKEN
+    expect.assertions(1);
+    try {
+      await createBranch(githubMock, contextMock, branch)
+    } catch (error) {
+      expect(error).toEqual(new ReferenceError('No token defined in the environment variables'))
+    }
+  })
+});

__tests__/create-branch.test.ts

@@ -1,10 +1,10 @@
-name: 'Your name here'
-description: 'Provide a description here'
-author: 'Your name or organization here'
+name: 'Create Branch'
+description: 'Creates a branch'
+author: 'Peter Grainger (peter@grainger)'
 inputs:
-  myInput:              # change this
-    description: 'input description here'
-    default: 'default value if applicable'
+  branch:
+    description: 'The branch to create'
+    default: 'release-candidate'
 runs:
   using: 'node12'
   main: 'lib/main.js'