test: import - export with size check

Author: dignifiedquire

test/test-exporter.js

@@ -24,6 +24,27 @@ module.exports = (repo) => {
       ds = new DAGService(bs)
     })
 
+    it('import and export', (done) => {
+      pull(
+        pull.values([{
+          path: '1.2MiB.txt',
+          content: pull.values([bigFile, Buffer('hello world')])
+        }]),
+        unixFSEngine.importer(ds),
+        pull.map((file) => {
+          expect(file.path).to.be.eql('1.2MiB.txt')
+
+          return exporter(file.multihash, ds)
+        }),
+        pull.flatten(),
+        pull.collect((err, files) => {
+          expect(err).to.not.exist
+          expect(files[0].size).to.be.eql(bigFile.length + 11)
+          fileEql(files[0], Buffer.concat([bigFile, Buffer('hello world')]), done)
+        })
+      )
+    })
+
     it('ensure hash inputs are sanitized', (done) => {
       const hash = 'QmQmZQxSKQppbsWfVzBvg59Cn3DKtsNVQ94bjAxg2h3Lb8'
       const mhBuf = new Buffer(bs58.decode(hash))