From 25a4e6b1fe06d761ae8cc856f69ee53c845f7dad Mon Sep 17 00:00:00 2001
From: Shogo Hashimoto <5909497+sy-hash@users.noreply.github.com>
Date: Thu, 9 May 2019 13:31:23 +0900
Subject: [PATCH] Add support for heroku CI (#127)

---
 lib/detect.js                |  1 +
 lib/services/heroku.js       | 17 +++++++++++++++++
 test/services/heroku.test.js | 21 +++++++++++++++++++++
 3 files changed, 39 insertions(+)
 create mode 100644 lib/services/heroku.js
 create mode 100644 test/services/heroku.test.js

diff --git a/lib/detect.js b/lib/detect.js
index d2f12705..48f37b2c 100644
--- a/lib/detect.js
+++ b/lib/detect.js
@@ -12,6 +12,7 @@ var services = {
   semaphore: require('./services/semaphore'),
   snap: require('./services/snap'),
   gitlab: require('./services/gitlab'),
+  heroku: require('./services/heroku'),
 }
 
 var detectProvider = function() {
diff --git a/lib/services/heroku.js b/lib/services/heroku.js
new file mode 100644
index 00000000..eb31eccf
--- /dev/null
+++ b/lib/services/heroku.js
@@ -0,0 +1,17 @@
+// https://devcenter.heroku.com/articles/heroku-ci
+
+module.exports = {
+  detect: function() {
+    return !!process.env.HEROKU_TEST_RUN_ID
+  },
+
+  configuration: function() {
+    console.log('    heroku CI Detected')
+    return {
+      service: 'heroku',
+      build: process.env.HEROKU_TEST_RUN_ID,
+      commit: process.env.HEROKU_TEST_RUN_COMMIT_VERSION,
+      branch: process.env.HEROKU_TEST_RUN_BRANCH,
+    }
+  },
+}
diff --git a/test/services/heroku.test.js b/test/services/heroku.test.js
new file mode 100644
index 00000000..95504963
--- /dev/null
+++ b/test/services/heroku.test.js
@@ -0,0 +1,21 @@
+var heroku = require('../../lib/services/heroku')
+
+describe('Heroku CI Provider', function() {
+  it('can detect heroku', function() {
+    process.env.HEROKU_TEST_RUN_ID = '454f5dc9-afa4-433f-bb28-84678a00fd98'
+    expect(heroku.detect()).toBe(true)
+  })
+
+  it('can get wercker env info', function() {
+    process.env.HEROKU_TEST_RUN_ID = '454f5dc9-afa4-433f-bb28-84678a00fd98'
+    process.env.HEROKU_TEST_RUN_COMMIT_VERSION =
+      '743b04806ea677403aa2ff26c6bdeb85005de658'
+    process.env.HEROKU_TEST_RUN_BRANCH = 'master'
+    expect(heroku.configuration()).toEqual({
+      service: 'heroku',
+      commit: '743b04806ea677403aa2ff26c6bdeb85005de658',
+      build: '454f5dc9-afa4-433f-bb28-84678a00fd98',
+      branch: 'master',
+    })
+  })
+})