Add ipfs.files.test for a directory.

Author: hackergrrl

src/files.js

@@ -334,6 +334,29 @@ module.exports = (common) => {
         })
       })
 
+      it('directory', (done) => {
+        const hash = 'QmVvjDy7yF7hdnqE8Hrf4MHo5ABDtb5AbX6hWbD3Y42bXP'
+        ipfs.files.get(hash, (err, stream) => {
+          expect(err).to.not.exist
+          stream.pipe(concat((files) => {
+            expect(files).to.be.length(8)
+            var paths = files.map(function (file) {
+              return file.path
+            })
+            expect(paths).to.deep.equal([
+              "QmVvjDy7yF7hdnqE8Hrf4MHo5ABDtb5AbX6hWbD3Y42bXP/alice.txt"
+              "QmVvjDy7yF7hdnqE8Hrf4MHo5ABDtb5AbX6hWbD3Y42bXP/empty-folder"
+              "QmVvjDy7yF7hdnqE8Hrf4MHo5ABDtb5AbX6hWbD3Y42bXP/holmes.txt"
+              "QmVvjDy7yF7hdnqE8Hrf4MHo5ABDtb5AbX6hWbD3Y42bXP/jungle.txt"
+              "QmVvjDy7yF7hdnqE8Hrf4MHo5ABDtb5AbX6hWbD3Y42bXP/pp.txt"
+              "QmVvjDy7yF7hdnqE8Hrf4MHo5ABDtb5AbX6hWbD3Y42bXP/files/empty"
+              "QmVvjDy7yF7hdnqE8Hrf4MHo5ABDtb5AbX6hWbD3Y42bXP/files/hello.txt"
+              "QmVvjDy7yF7hdnqE8Hrf4MHo5ABDtb5AbX6hWbD3Y42bXP/files/ipfs.txt"
+            ])
+          }))
+        })
+      })
+
       describe('promise', () => {
         it('with a base58 encoded string', (done) => {
           const hash = 'QmPZ9gcCEpqKTo6aq61g2nXGUhM4iCL3ewB6LDXZCtioEB'