added e2e testing for postman collection v2 -> internal

Author: JonathanMontane

testing/e2e/postman-collection2-internal/e2e.spec.js

@@ -0,0 +1,90 @@
+require('colors')
+import fs from 'fs'
+import { resolve } from 'path'
+
+import expect from 'expect'
+const diff = require('diff')
+
+import ApiFlow from '../../../src/api-flow'
+
+const compare = (actual, expected) => {
+  const delta = diff.diffJson(actual, expected)
+  if (
+    delta.length === 1 &&
+    typeof delta[0].removed === 'undefined' &&
+    typeof delta[0].added === 'undefined'
+  ) {
+    return true
+  }
+
+  /* eslint-disable no-console */
+  console.log('\x1b[42m' +
+    (new Array(6)).join('-------------\n') + '\x1b[0m')
+  delta.forEach(part => {
+    let color = 'grey'
+    if (part.added) {
+      color = 'green'
+    }
+    else if (part.removed) {
+      color = 'red'
+    }
+    process.stderr.write(part.value[color])
+  })
+  /* eslint-enable no-console */
+
+  return false
+}
+
+const fixDiff = (actual, index) => {
+  if (process.env.FIX === 'postman-collection-v2.0--internal-v1.0') {
+    /* eslint-disable no-console */
+    console.log('updating spec')
+    /* eslint-enable no-console */
+    fs.writeFileSync(resolve(__dirname, './test-case-' + index + '/output.json'), actual)
+  }
+}
+
+describe('postman collection v2 -> internal', () => {
+  for (let index = 0; index < 1; index += 1) {
+    it('should match expected output for test case #' + index, (done) => {
+      const output = fs.readFileSync(
+        resolve(__dirname, './test-case-' + index + '/output.json'),
+        'utf-8'
+      ).toString()
+      // const item = { content: input }
+      /* eslint-disable no-console */
+      try {
+        const options = ApiFlow.setup({
+          options: {
+            source: { format: 'postman-collection', version: 'v2.0' },
+            target: { format: 'internal', version: 'v1.0' }
+          }
+        })
+
+        ApiFlow
+        .transform({
+          options,
+          uri: 'file://' + resolve(__dirname, './test-case-' + index + '/input.json')
+        })
+        .then(serialized => {
+          const success = compare(serialized, output)
+          if (!success) {
+            done(new Error('found differences'))
+            return fixDiff(serialized, index)
+          }
+          done()
+        }, e => {
+          console.error('got err:\n', e.stack)
+          done()
+        })
+        .catch()
+      }
+      catch (e) {
+        console.error(e.stack)
+        expect(true).toEqual(false)
+        done()
+      }
+      /* eslint-enable no-console */
+    })
+  }
+})