update tests and bundle

__tests__/functions/exclude.test.js

@@ -2,14 +2,19 @@ import * as core from '@actions/core'
 import {Exclude} from '../../src/functions/exclude'
 
 const warningMock = jest.spyOn(core, 'warning').mockImplementation(() => {})
+const setFailedMock = jest.spyOn(core, 'setFailed').mockImplementation(() => {})
+const infoMock = jest.spyOn(core, 'info').mockImplementation(() => {})
 
 var exclude
 beforeEach(() => {
   jest.clearAllMocks()
   jest.spyOn(core, 'debug').mockImplementation(() => {})
+  jest.spyOn(core, 'setFailed').mockImplementation(() => {})
+  jest.spyOn(core, 'info').mockImplementation(() => {})
   process.env.INPUT_EXCLUDE_FILE = '__tests__/fixtures/exclude/exclude.txt'
   process.env.INPUT_GIT_IGNORE_PATH = '.gitignore'
   process.env.INPUT_USE_GITIGNORE = 'true'
+  process.env.INPUT_EXCLUDE_FILE_REQUIRED = 'true'
   exclude = new Exclude()
 })
 
@@ -44,6 +49,31 @@ test('does not exclude any files when no exclude file is used', () => {
   expect(exclude.isExcluded('exclude-me.json')).toBe(false)
 })
 
+test('raises an exception when no exclude file is found', () => {
+  process.env.INPUT_EXCLUDE_FILE = 'oh_no_i_dont_exist.txt'
+  process.env.INPUT_EXCLUDE_FILE_REQUIRED = 'true'
+
+  expect(() => {
+    new Exclude()
+  }).toThrow(
+    `Error: ENOENT: no such file or directory, open 'oh_no_i_dont_exist.txt'`
+  )
+  expect(setFailedMock).toHaveBeenCalledWith(
+    `error reading exclude_file: oh_no_i_dont_exist.txt`
+  )
+})
+
+test('does not raise an exception when no exclude file is found and it is not required', () => {
+  process.env.INPUT_EXCLUDE_FILE = 'oh_no_i_dont_exist.txt'
+  process.env.INPUT_EXCLUDE_FILE_REQUIRED = 'false'
+
+  const exclude = new Exclude()
+  expect(exclude.isExcluded('exclude-me.json')).toBe(false)
+  expect(infoMock).toHaveBeenCalledWith(
+    `exclude_file was not found, but it is not required - OK`
+  )
+})
+
 test('excludes a file that is not tracked by git', () => {
   process.env.INPUT_EXCLUDE_FILE = ''
   const exclude = new Exclude()

__tests__/main.test.js

@@ -16,6 +16,7 @@ beforeEach(() => {
   })
 
   process.env.INPUT_USE_GITIGNORE = 'false'
+  process.env.INPUT_EXCLUDE_FILE_REQUIRED = 'true'
 })
 
 test('successfully runs the action', async () => {