Add getDyno API endpoint

lib/heroku-api.js

@@ -18,6 +18,16 @@ function* pipelineRepository (client, pipelineID) {
   })
 }
 
+function* getDyno (client, appID, dynoID) {
+  return client.request({
+    path: `/apps/${appID}/dynos/${dynoID}`,
+    headers: {
+      Authorization: `Bearer ${client.options.token}`,
+      Accept: VERSION_HEADER
+    }
+  })
+}
+
 function* githubArchiveLink (client, user, repository, ref) {
   return client.request({
     host: KOLKRABBI,
@@ -128,6 +138,7 @@ module.exports = {
   configVars,
   createSource,
   createTestRun,
+  getDyno,
   githubArchiveLink,
   latestTestRun,
   testNodes,

test/lib/heroku-api-test.js

@@ -37,6 +37,26 @@ describe('heroku-api', function () {
     })
   })
 
+  describe('#getDyno', function () {
+    it('returns dyno information', function* () {
+      const appID = '123-456-67-89'
+      const dynoID = '01234567-89ab-cdef-0123-456789abcdef'
+      const dyno = {
+        id: dynoID,
+        attach_url: 'rendezvous://rendezvous.runtime.heroku.com:5000/{rendezvous-id}',
+        app: { id: appID }
+      }
+
+      const api = nock(`https://api.heroku.com`)
+        .get(`/apps/${appID}/dynos/${dynoID}`)
+        .reply(200, dyno)
+
+      const response = yield herokuAPI.getDyno(new Heroku(), appID, dynoID)
+      expect(response).to.deep.eq(dyno)
+      api.done()
+    })
+  })
+
   describe('#githubArchiveLink', function () {
     it('gets a GitHub archive link', function* () {
       const { user, repository } = ['heroku', 'heroku-ci']