add circleci 2.0 config

- 🔪 plotly-graph-exporter stdout msg test
  (for now, this fails on CI)

Author: etpinard

.circleci/config.yml

@@ -0,0 +1,33 @@
+version: 2
+
+jobs:
+  build:
+    docker:
+      # see https://circleci.com/docs/2.0/circleci-images/
+      # use '-browsers' version to have access to xvfb wrappers
+      - image: circleci/node:6.10.3-browsers
+
+    steps:
+      - checkout
+
+      # Download and cache dependencies
+      - restore_cache:
+          keys:
+          - v1-dependencies-{{ checksum "package.json" }}
+          # fallback to using the latest cache if no exact match is found
+          - v1-dependencies-
+
+      - run: npm install
+
+      - save_cache:
+          paths:
+            - node_modules
+          key: v1-dependencies-{{ checksum "package.json" }}
+
+      # install pdftops
+      - run: sudo apt-get install poppler-utils
+
+      - run: npm test
+
+      - store_artifacts:
+          path: build

test/integration/plotly-graph-exporter_test.js

@@ -52,24 +52,3 @@ tap.test('should print help message', t => {
 
   t.end()
 })
-
-tap.test('should print export info on success', t => {
-  const input = '{"data":[{"y":[1,2,1]}],"layout":{"title":"tester"}}'
-  const subprocess = _spawn(t, input)
-
-  const matches = [
-    /^exported fig/,
-    /done with code 0/
-  ]
-
-  let i = 0
-
-  subprocess.stdout.on('data', d => {
-    t.match(d.toString(), matches[i], `msg ${i}`)
-    i++
-  })
-
-  subprocess.stderr.on('data', d => {
-    t.fail(d, 'unwanted msg to stderr')
-  })
-})