Add tests and CI.

.editorconfig

@@ -0,0 +1,3 @@
+[*.js]
+indent_style = space
+indent_size = 2

.eslintrc.json

@@ -0,0 +1,15 @@
+{
+    "env": {
+        "browser": true,
+        "commonjs": true,
+        "es2020": true
+    },
+    "extends": [
+        "google"
+    ],
+    "parserOptions": {
+        "ecmaVersion": 11
+    },
+    "rules": {
+    }
+}

.github/workflows/ci.yml

@@ -0,0 +1,20 @@
+name: Lint and Test
+
+on: [push]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        persist-credentials: false
+    - uses: actions/setup-node@v1
+      with:
+        node-version: '12'
+    - name: Install dependencies
+      run: make install
+    - name: Lint
+      run: make lint
+    - name: Test
+      run: make test

.github/workflows/demo.yml

@@ -7,7 +7,7 @@ jobs:
     name: Linux Demo
     runs-on: ubuntu-latest
     steps:
-      - uses: franzdiebold/github-env-vars-action@v1.1.1
+      - uses: franzdiebold/github-env-vars-action@v1.1.2
       - name: Print environment variables
         run: |
           echo "GITHUB_REPOSITORY_OWNER=$GITHUB_REPOSITORY_OWNER"
@@ -19,7 +19,7 @@ jobs:
     name: Windows Demo
     runs-on: windows-latest
     steps:
-      - uses: franzdiebold/github-env-vars-action@v1.1.1
+      - uses: franzdiebold/github-env-vars-action@v1.1.2
       - name: Print environment variables
         run: |
           echo "GITHUB_REPOSITORY_OWNER=$Env:GITHUB_REPOSITORY_OWNER"
@@ -31,7 +31,7 @@ jobs:
     name: macOS Demo
     runs-on: macos-latest
     steps:
-      - uses: franzdiebold/github-env-vars-action@v1.1.1
+      - uses: franzdiebold/github-env-vars-action@v1.1.2
       - name: Print environment variables
         run: |
           echo "GITHUB_REPOSITORY_OWNER=$GITHUB_REPOSITORY_OWNER"

Makefile

@@ -0,0 +1,15 @@
+.PHONY: install
+install:
+	npm install
+
+.PHONY: lint
+lint:
+	npm run lint
+
+.PHONY: test
+test:
+	npm run test
+
+.PHONY: build
+build:
+	npm run build

README.md

@@ -1,7 +1,7 @@
 # :octocat: :rocket: GitHub Environment Variables Action
 
 [![GitHub Action: View on Marketplace](https://img.shields.io/badge/GitHub%20Action-View_on_Marketplace-28a745?logo=github)](https://github.com/marketplace/actions/github-environment-variables-action)
-[![Demo: available](https://img.shields.io/badge/Demo-available-orange)](https://github.com/FranzDiebold/github-env-vars-action/actions?query=workflow%3ADemo)
+[![Demo: available](https://img.shields.io/badge/Demo-available-orange)](.github/workflows/demo.yml)
 [version](https://img.shields.io/github/package-json/v/FranzDiebold/github-env-vars-action/primary?label=version)
 [![license: MIT](https://img.shields.io/badge/license-MIT-brightgreen.svg)](./LICENSE)
 
@@ -32,7 +32,7 @@ For a full list of default environment variables exposed by GitHub see [https://
 
 ```yaml
 steps:
-  - uses: franzdiebold/github-env-vars-action@v1.1.1
+  - uses: franzdiebold/github-env-vars-action@v1.1.2
   - name: Print environment variables
     run: |
       echo "GITHUB_REPOSITORY_OWNER=$GITHUB_REPOSITORY_OWNER"

dist/index.js

@@ -157,67 +157,103 @@ module.exports = require("path");
 /***/ }),
 
 /***/ 622:
-/***/ (function(__unusedmodule, __unusedexports, __webpack_require__) {
+/***/ (function(module, __unusedexports, __webpack_require__) {
 
 // Franz Diebold
 
 const core = __webpack_require__(827);
 
-function getShaShort(fullSha) {
+/**
-    return fullSha ? fullSha.substring(0, 8) : null;
+ * Get the repository owner from the repository string.
-}
+ * @param {string} repository
-
+ * @return {string} The owner of the repository.
+ */
 function getRepositoryOwner(repository) {
-    return repository ? repository.split('/')[0] : null;
+  return repository ? repository.split('/')[0] : null;
 }
 
+/**
+ * Get the repository name from the repository string.
+ * @param {string} repository
+ * @return {string} The name of the repository.
+ */
 function getRepositoryName(repository) {
-    return repository ? repository.split('/')[1] : null;
+  return repository ? repository.split('/')[1] : null;
 }
 
+/**
+ * Get the ref name from the ref string.
+ * @param {string} ref
+ * @return {string} The ref name.
+ */
 function getRefName(ref) {
-    return ref ? ref.split('/').slice(2).join('/') : null;
+  return ref ? ref.split('/').slice(2).join('/') : null;
+}
+
+/**
+ * Get the short SHA from the full SHA.
+ * @param {string} fullSha
+ * @return {string} The short SHA.
+ */
+function getShaShort(fullSha) {
+  return fullSha ? fullSha.substring(0, 8) : null;
 }
 
 // https://help.github.com/en/actions/automating-your-workflow-with-github-actions/using-environment-variables#default-environment-variables
 try {
-    repository = process.env.GITHUB_REPOSITORY; // FranzDiebold/github-env-vars-action
+  // i.e. FranzDiebold/github-env-vars-action
+  repository = process.env.GITHUB_REPOSITORY;
 
-    repositoryOwner = getRepositoryOwner(repository);
+  repositoryOwner = getRepositoryOwner(repository);
-    if (repositoryOwner) {
+  if (repositoryOwner) {
-        core.exportVariable('GITHUB_REPOSITORY_OWNER', repositoryOwner);
+    core.exportVariable('GITHUB_REPOSITORY_OWNER', repositoryOwner);
-        core.info(`Set GITHUB_REPOSITORY_OWNER=${process.env.GITHUB_REPOSITORY_OWNER}`);
+    core.info(`Set GITHUB_REPOSITORY_OWNER=` +
-    } else {
+              `${process.env.GITHUB_REPOSITORY_OWNER}`);
-        core.warning('Environment variable "GITHUB_REPOSITORY" not set. Cannot set "GITHUB_REPOSITORY_OWNER".');
+  } else {
-    }
+    core.warning('Environment variable "GITHUB_REPOSITORY" not set. ' +
+                 'Cannot set "GITHUB_REPOSITORY_OWNER".');
+  }
 
-    repositoryName = getRepositoryName(repository);
+  repositoryName = getRepositoryName(repository);
-    if (repositoryName) {
+  if (repositoryName) {
-        core.exportVariable('GITHUB_REPOSITORY_NAME', repositoryName);
+    core.exportVariable('GITHUB_REPOSITORY_NAME', repositoryName);
-        core.info(`Set GITHUB_REPOSITORY_NAME=${process.env.GITHUB_REPOSITORY_NAME}`);
+    core.info(`Set GITHUB_REPOSITORY_NAME=` +
-    } else {
+              `${process.env.GITHUB_REPOSITORY_NAME}`);
-        core.warning('Environment variable "GITHUB_REPOSITORY" not set. Cannot set "GITHUB_REPOSITORY_NAME".');
+  } else {
-    }
+    core.warning('Environment variable "GITHUB_REPOSITORY" not set. ' +
+                 'Cannot set "GITHUB_REPOSITORY_NAME".');
+  }
 
-    refName = getRefName(process.env.GITHUB_REF); // refs/heads/feat/feature-branch-1
+  // i.e. refs/heads/feat/feature-branch-1
-    if (refName) {
+  refName = getRefName(process.env.GITHUB_REF);
-        core.exportVariable('GITHUB_REF_NAME', refName);
+  if (refName) {
-        core.info(`Set GITHUB_REF_NAME=${process.env.GITHUB_REF_NAME}`);
+    core.exportVariable('GITHUB_REF_NAME', refName);
-    } else {
+    core.info(`Set GITHUB_REF_NAME=${process.env.GITHUB_REF_NAME}`);
-        core.warning('Environment variable "GITHUB_REF" not set. Cannot set "GITHUB_REF_NAME".');
+  } else {
-    }
+    core.warning('Environment variable "GITHUB_REF" not set. ' +
+                 'Cannot set "GITHUB_REF_NAME".');
+  }
 
-    shaShort = getShaShort(process.env.GITHUB_SHA); // ffac537e6cbbf934b08745a378932722df287a53
+  // i.e. ffac537e6cbbf934b08745a378932722df287a53
-    if (shaShort) {
+  shaShort = getShaShort(process.env.GITHUB_SHA);
-        core.exportVariable('GITHUB_SHA_SHORT', shaShort);
+  if (shaShort) {
-        core.info(`Set GITHUB_SHA_SHORT=${process.env.GITHUB_SHA_SHORT}`);
+    core.exportVariable('GITHUB_SHA_SHORT', shaShort);
-    } else {
+    core.info(`Set GITHUB_SHA_SHORT=${process.env.GITHUB_SHA_SHORT}`);
-        core.warning('Environment variable "GITHUB_SHA" not set. Cannot set "GITHUB_SHA_SHORT".');
+  } else {
-    }
+    core.warning('Environment variable "GITHUB_SHA" not set. ' +
+                 'Cannot set "GITHUB_SHA_SHORT".');
+  }
 } catch (error) {
-    core.setFailed(error.message);
+  core.setFailed(error.message);
 }
 
+module.exports = {
+  getRepositoryOwner,
+  getRepositoryName,
+  getRefName,
+  getShaShort,
+};
+
 
 /***/ }),
 

index.js

@@ -2,57 +2,93 @@
 
 const core = require('@actions/core');
 
-function getShaShort(fullSha) {
+/**
-    return fullSha ? fullSha.substring(0, 8) : null;
+ * Get the repository owner from the repository string.
-}
+ * @param {string} repository
-
+ * @return {string} The owner of the repository.
+ */
 function getRepositoryOwner(repository) {
-    return repository ? repository.split('/')[0] : null;
+  return repository ? repository.split('/')[0] : null;
 }
 
+/**
+ * Get the repository name from the repository string.
+ * @param {string} repository
+ * @return {string} The name of the repository.
+ */
 function getRepositoryName(repository) {
-    return repository ? repository.split('/')[1] : null;
+  return repository ? repository.split('/')[1] : null;
 }
 
+/**
+ * Get the ref name from the ref string.
+ * @param {string} ref
+ * @return {string} The ref name.
+ */
 function getRefName(ref) {
-    return ref ? ref.split('/').slice(2).join('/') : null;
+  return ref ? ref.split('/').slice(2).join('/') : null;
+}
+
+/**
+ * Get the short SHA from the full SHA.
+ * @param {string} fullSha
+ * @return {string} The short SHA.
+ */
+function getShaShort(fullSha) {
+  return fullSha ? fullSha.substring(0, 8) : null;
 }
 
 // https://help.github.com/en/actions/automating-your-workflow-with-github-actions/using-environment-variables#default-environment-variables
 try {
-    repository = process.env.GITHUB_REPOSITORY; // FranzDiebold/github-env-vars-action
+  // i.e. FranzDiebold/github-env-vars-action
+  repository = process.env.GITHUB_REPOSITORY;
 
-    repositoryOwner = getRepositoryOwner(repository);
+  repositoryOwner = getRepositoryOwner(repository);
-    if (repositoryOwner) {
+  if (repositoryOwner) {
-        core.exportVariable('GITHUB_REPOSITORY_OWNER', repositoryOwner);
+    core.exportVariable('GITHUB_REPOSITORY_OWNER', repositoryOwner);
-        core.info(`Set GITHUB_REPOSITORY_OWNER=${process.env.GITHUB_REPOSITORY_OWNER}`);
+    core.info(`Set GITHUB_REPOSITORY_OWNER=` +
-    } else {
+              `${process.env.GITHUB_REPOSITORY_OWNER}`);
-        core.warning('Environment variable "GITHUB_REPOSITORY" not set. Cannot set "GITHUB_REPOSITORY_OWNER".');
+  } else {
-    }
+    core.warning('Environment variable "GITHUB_REPOSITORY" not set. ' +
+                 'Cannot set "GITHUB_REPOSITORY_OWNER".');
+  }
 
-    repositoryName = getRepositoryName(repository);
+  repositoryName = getRepositoryName(repository);
-    if (repositoryName) {
+  if (repositoryName) {
-        core.exportVariable('GITHUB_REPOSITORY_NAME', repositoryName);
+    core.exportVariable('GITHUB_REPOSITORY_NAME', repositoryName);
-        core.info(`Set GITHUB_REPOSITORY_NAME=${process.env.GITHUB_REPOSITORY_NAME}`);
+    core.info(`Set GITHUB_REPOSITORY_NAME=` +
-    } else {
+              `${process.env.GITHUB_REPOSITORY_NAME}`);
-        core.warning('Environment variable "GITHUB_REPOSITORY" not set. Cannot set "GITHUB_REPOSITORY_NAME".');
+  } else {
-    }
+    core.warning('Environment variable "GITHUB_REPOSITORY" not set. ' +
+                 'Cannot set "GITHUB_REPOSITORY_NAME".');
+  }
 
-    refName = getRefName(process.env.GITHUB_REF); // refs/heads/feat/feature-branch-1
+  // i.e. refs/heads/feat/feature-branch-1
-    if (refName) {
+  refName = getRefName(process.env.GITHUB_REF);
-        core.exportVariable('GITHUB_REF_NAME', refName);
+  if (refName) {
-        core.info(`Set GITHUB_REF_NAME=${process.env.GITHUB_REF_NAME}`);
+    core.exportVariable('GITHUB_REF_NAME', refName);
-    } else {
+    core.info(`Set GITHUB_REF_NAME=${process.env.GITHUB_REF_NAME}`);
-        core.warning('Environment variable "GITHUB_REF" not set. Cannot set "GITHUB_REF_NAME".');
+  } else {
-    }
+    core.warning('Environment variable "GITHUB_REF" not set. ' +
+                 'Cannot set "GITHUB_REF_NAME".');
+  }
 
-    shaShort = getShaShort(process.env.GITHUB_SHA); // ffac537e6cbbf934b08745a378932722df287a53
+  // i.e. ffac537e6cbbf934b08745a378932722df287a53
-    if (shaShort) {
+  shaShort = getShaShort(process.env.GITHUB_SHA);
-        core.exportVariable('GITHUB_SHA_SHORT', shaShort);
+  if (shaShort) {
-        core.info(`Set GITHUB_SHA_SHORT=${process.env.GITHUB_SHA_SHORT}`);
+    core.exportVariable('GITHUB_SHA_SHORT', shaShort);
-    } else {
+    core.info(`Set GITHUB_SHA_SHORT=${process.env.GITHUB_SHA_SHORT}`);
-        core.warning('Environment variable "GITHUB_SHA" not set. Cannot set "GITHUB_SHA_SHORT".');
+  } else {
-    }
+    core.warning('Environment variable "GITHUB_SHA" not set. ' +
+                 'Cannot set "GITHUB_SHA_SHORT".');
+  }
 } catch (error) {
-    core.setFailed(error.message);
+  core.setFailed(error.message);
 }
+
+module.exports = {
+  getRepositoryOwner,
+  getRepositoryName,
+  getRefName,
+  getShaShort,
+};

index.test.js

@@ -0,0 +1,44 @@
+const {
+  getRepositoryOwner, getRepositoryName, getRefName, getShaShort,
+} = require('./index');
+
+test('gets repository owner', () => {
+  expect(getRepositoryOwner('FranzDiebold/github-env-vars-action'))
+      .toEqual('FranzDiebold');
+});
+
+test('gets repository owner for empty GITHUB_REPOSITORY', () => {
+  expect(getRepositoryOwner(undefined)).toBeFalsy();
+});
+
+test('gets repository name', () => {
+  expect(getRepositoryName('FranzDiebold/github-env-vars-action'))
+      .toEqual('github-env-vars-action');
+});
+
+test('gets repository name for empty GITHUB_REPOSITORY', () => {
+  expect(getRepositoryName(undefined)).toBeFalsy();
+});
+
+test('gets ref from simple ref name', () => {
+  expect(getRefName('refs/heads/feature-branch-1'))
+      .toEqual('feature-branch-1');
+});
+
+test('gets ref from complex ref name', () => {
+  expect(getRefName('refs/heads/feat/feature-branch-1'))
+      .toEqual('feat/feature-branch-1');
+});
+
+test('gets repository name for empty GITHUB_REF_NAME', () => {
+  expect(getRefName(undefined)).toBeFalsy();
+});
+
+test('gets short SHA', () => {
+  expect(getShaShort('ffac537e6cbbf934b08745a378932722df287a53'))
+      .toEqual('ffac537e');
+});
+
+test('gets short SHA for empty GITHUB_SHA', () => {
+  expect(getShaShort(undefined)).toBeFalsy();
+});

package.json

@@ -1,11 +1,12 @@
 {
   "name": "github-env-vars-action",
-  "version": "1.1.1",
+  "version": "1.1.2",
   "description": "A GitHub Action to expose useful environment variables.",
   "main": "index.js",
   "scripts": {
-    "build": "ncc build index.js",
+    "lint": "eslint *.js",
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "jest",
+    "build": "ncc build index.js"
   },
   "repository": {
     "type": "git",
@@ -23,5 +24,10 @@
   "homepage": "https://github.com/FranzDiebold/github-env-vars-action#readme",
   "dependencies": {
     "@actions/core": "^1.2.4"
+  },
+  "devDependencies": {
+    "eslint": "^7.4.0",
+    "eslint-config-google": "^0.14.0",
+    "jest": "^26.1.0"
   }
 }