diff --git a/.gitignore b/.gitignore
index 25b153d..037ebdf 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,7 +24,9 @@ build/Release
 
 # Dependency directory
 # https://www.npmjs.org/doc/misc/npm-faq.html#should-i-check-my-node_modules-folder-into-git
-node_modules
+/node_modules
+test/fixtures/node_modules/cycle/node_modules/cycle
+test/fixtures/node_modules/linked
 
 # coverage files
 .nyc_output
diff --git a/config.js b/config.js
index 934a076..3aed721 100644
--- a/config.js
+++ b/config.js
@@ -2,7 +2,6 @@
 
 var path = require( 'path' );
 
-
 module.exports = {
   filePaths : {
     analyzers : path.join( __dirname, 'lib/analyzers' )
diff --git a/index.js b/index.js
index 6f0b346..ad0b13d 100644
--- a/index.js
+++ b/index.js
@@ -3,12 +3,11 @@
 var fs            = require( 'fs' );
 var path          = require( 'path' );
 var config        = require( './config' );
-var creditUtil    = require( './util/credit' );
-var packageUtil   = require( './util/package' );
-var analyzersUtil = require( './util/analyzers' );
+var creditUtil    = require( './lib/credit' );
+var packageUtil   = require( './lib/package' );
+var analyzersUtil = require( './lib/analyzers' );
 var Promise       = require( 'es6-promise' ).Promise;
 
-
 /**
  * Read project root and evaluate dependency credits
  * for all supported package managers
diff --git a/index.spec.js b/index.spec.js
deleted file mode 100644
index 073129e..0000000
--- a/index.spec.js
+++ /dev/null
@@ -1,36 +0,0 @@
-import test from 'ava';
-import credits from './';
-import tmp from 'tmp';
-import fs from 'fs';
-
-test.cb( 'credits - folder exists', t => {
-  tmp.dir( { unsafeCleanup : true }, ( error, path, cleanUpCb ) => {
-    fs.mkdirSync( `${path}/node_modules` );
-
-    fs.mkdirSync( `${path}/node_modules/foo` );
-    fs.writeFileSync(
-      `${path}/node_modules/foo/package.json`,
-      JSON.stringify( { author : 'Bob Calsow' } ),
-      'utf8'
-    );
-
-    credits( path )
-      .then( credits => {
-        t.deepEqual( credits.npm[ 0 ].name, 'Bob Calsow' );
-        t.deepEqual( credits.npm[ 0 ].packages, [ 'foo' ] );
-
-        cleanUpCb();
-
-        t.end();
-      } );
-
-  } );
-} );
-
-test.cb( 'credits - folder does not exist', t => {
-  credits( '/path/that/does/not/exist' )
-    .catch( error => {
-      t.deepEqual( error.message, '/path/that/does/not/exist does not exist' );
-      t.end();
-    } );
-} );
diff --git a/util/analyzers.js b/lib/analyzers.js
similarity index 100%
rename from util/analyzers.js
rename to lib/analyzers.js
diff --git a/lib/analyzers/bower/index.js b/lib/analyzers/bower/index.js
index f6a8172..c36e814 100644
--- a/lib/analyzers/bower/index.js
+++ b/lib/analyzers/bower/index.js
@@ -2,8 +2,9 @@
 
 var fs          = require( 'fs' );
 var path        = require( 'path' );
-var creditUtil  = require( '../../../util/credit' );
-var packageUtil = require( '../../../util/package' );
+
+var creditUtil  = require( '../../credit' );
+var packageUtil = require( '../../package' );
 
 
 /**
diff --git a/lib/analyzers/bower/index.spec.js b/lib/analyzers/bower/index.spec.js
deleted file mode 100644
index 3d4d493..0000000
--- a/lib/analyzers/bower/index.spec.js
+++ /dev/null
@@ -1,49 +0,0 @@
-import test from 'ava';
-import tmp from 'tmp';
-import fs from 'fs';
-import getCredits from './';
-
-test.cb( 'getCredits - get availalbe bower credits', t => {
-  tmp.dir( { unsafeCleanup : true }, ( error, path, cleanUpCb ) => {
-    fs.mkdirSync( `${path}/bower_components` );
-
-    fs.mkdirSync( `${path}/bower_components/foo` );
-    fs.writeFileSync(
-      `${path}/bower_components/foo/bower.json`,
-      JSON.stringify( {
-        authors : [
-          'Bob Calsow'
-        ]
-      } ),
-      'utf8'
-    );
-
-
-    fs.mkdirSync( `${path}/bower_components/bar` );
-    fs.writeFileSync(
-      `${path}/bower_components/bar/bower.json`,
-      JSON.stringify( {
-        authors : [
-          {
-            name  : 'Alice Bobson',
-            email : 'alicebobson@alison.io'
-          }
-        ]
-      } ),
-      'utf8'
-    );
-
-    let credits = getCredits( path );
-
-    t.deepEqual( credits[ 0 ].name, 'Alice Bobson' );
-    t.deepEqual( credits[ 0 ].email, 'alicebobson@alison.io' );
-    t.deepEqual( credits[ 0 ].packages, [ 'bar' ] );
-
-    t.deepEqual( credits[ 1 ].name, 'Bob Calsow' );
-    t.deepEqual( credits[ 1 ].packages, [ 'foo' ] );
-
-    cleanUpCb();
-
-    t.end();
-  } );
-} );
diff --git a/lib/analyzers/jspm/index.js b/lib/analyzers/jspm/index.js
index 8efb0e2..d9ebc52 100644
--- a/lib/analyzers/jspm/index.js
+++ b/lib/analyzers/jspm/index.js
@@ -2,8 +2,9 @@
 
 var fs          = require( 'fs' );
 var path        = require( 'path' );
-var creditUtil  = require( '../../../util/credit' );
-var packageUtil = require( '../../../util/package' );
+
+var creditUtil  = require( '../../credit' );
+var packageUtil = require( '../../package' );
 
 
 /**
diff --git a/lib/analyzers/jspm/index.spec.js b/lib/analyzers/jspm/index.spec.js
deleted file mode 100644
index e85e934..0000000
--- a/lib/analyzers/jspm/index.spec.js
+++ /dev/null
@@ -1,78 +0,0 @@
-import test from 'ava';
-import tmp from 'tmp';
-import fs from 'fs';
-import getCredits from './';
-
-test.cb( 'getCredits - get availalbe jspm credits', t => {
-  tmp.dir( { unsafeCleanup : true }, ( error, path, cleanUpCb ) => {
-    fs.mkdirSync( `${path}/jspm_packages` );
-
-    fs.mkdirSync( `${path}/jspm_packages/github` );
-    fs.mkdirSync( `${path}/jspm_packages/github/components` );
-    fs.mkdirSync( `${path}/jspm_packages/github/components/foo` );
-
-    fs.mkdirSync( `${path}/jspm_packages/npm` );
-    fs.mkdirSync( `${path}/jspm_packages/npm/boo` );
-
-    fs.writeFileSync(
-      `${path}/jspm_packages/github/components/foo/package.json`,
-      JSON.stringify( { author : 'Don Calsow' } ),
-      'utf8'
-    );
-
-    fs.writeFileSync(
-      `${path}/jspm_packages/npm/boo/package.json`,
-      JSON.stringify( { author : 'Janice Robson' } ),
-      'utf8'
-    );
-
-    fs.mkdirSync( `${path}/jspm_packages/npm/baz` );
-    fs.writeFileSync(
-      `${path}/jspm_packages/npm/baz/package.json`,
-      JSON.stringify( {
-        author      : 'Alice Bobson',
-        maintainers : [
-          'Randy Ran',
-          {
-            name  : 'Bobby Bob',
-            email : 'bobby@bob.io'
-          }
-        ]
-      } ),
-      'utf8'
-    );
-
-    fs.mkdirSync( `${path}/jspm_packages/npm/boing` );
-
-    fs.writeFileSync(
-      `${path}/jspm_packages/npm/boing/package.json`,
-      JSON.stringify( { author : 'Bob Calsow <bob@calsow.io>' } ),
-      'utf8'
-    );
-
-    let credits = getCredits( path );
-
-    t.deepEqual( credits[ 0 ].name, 'Alice Bobson' );
-    t.deepEqual( credits[ 0 ].packages, [ 'baz' ] );
-
-    t.deepEqual( credits[ 1 ].name, 'Randy Ran' );
-    t.deepEqual( credits[ 1 ].packages, [ 'baz' ] );
-
-    t.deepEqual( credits[ 2 ].name, 'Bobby Bob' );
-    t.deepEqual( credits[ 2 ].email, 'bobby@bob.io' );
-    t.deepEqual( credits[ 2 ].packages, [ 'baz' ] );
-
-    t.deepEqual( credits[ 3 ].name, 'Bob Calsow' );
-    t.deepEqual( credits[ 3 ].packages, [ 'boing' ] );
-
-    t.deepEqual( credits[ 4 ].name, 'Janice Robson' );
-    t.deepEqual( credits[ 4 ].packages, [ 'boo' ] );
-
-    t.deepEqual( credits[ 5 ].name, 'Don Calsow' );
-    t.deepEqual( credits[ 5 ].packages, [ 'foo' ] );
-
-    cleanUpCb();
-
-    t.end();
-  } );
-} );
diff --git a/lib/analyzers/npm/index.js b/lib/analyzers/npm/index.js
index 44c8969..8352d04 100644
--- a/lib/analyzers/npm/index.js
+++ b/lib/analyzers/npm/index.js
@@ -2,8 +2,9 @@
 
 var fs          = require( 'fs' );
 var path        = require( 'path' );
-var creditUtil  = require( '../../../util/credit' );
-var packageUtil = require( '../../../util/package' );
+
+var creditUtil  = require( '../../credit' );
+var packageUtil = require( '../../package' );
 
 
 /**
diff --git a/lib/analyzers/npm/index.spec.js b/lib/analyzers/npm/index.spec.js
deleted file mode 100644
index d48cb95..0000000
--- a/lib/analyzers/npm/index.spec.js
+++ /dev/null
@@ -1,102 +0,0 @@
-import test from 'ava';
-import tmp from 'tmp';
-import fs from 'fs';
-import getCredits from './';
-
-test.cb( 'getCredits - get availalbe npm credits', t => {
-  tmp.dir( { unsafeCleanup : true }, ( error, path, cleanUpCb ) => {
-    fs.mkdirSync( `${path}/node_modules` );
-
-    fs.mkdirSync( `${path}/node_modules/foo` );
-    fs.writeFileSync(
-      `${path}/node_modules/foo/package.json`,
-      JSON.stringify( { author : 'Bob Calsow' } ),
-      'utf8'
-    );
-
-
-    fs.mkdirSync( `${path}/node_modules/bar` );
-    fs.writeFileSync(
-      `${path}/node_modules/bar/package.json`,
-      JSON.stringify( { author : 'Alice Bobson' } ),
-      'utf8'
-    );
-
-
-    fs.mkdirSync( `${path}/node_modules/bar/node_modules` );
-    fs.mkdirSync( `${path}/node_modules/bar/node_modules/boom` );
-
-    fs.writeFileSync(
-      `${path}/node_modules/bar/node_modules/boom/package.json`,
-      JSON.stringify( { author : { name : 'Alice Bobson' } } ),
-      'utf8'
-    );
-
-    fs.mkdirSync( `${path}/node_modules/baz` );
-    fs.writeFileSync(
-      `${path}/node_modules/baz/package.json`,
-      JSON.stringify( {
-        author      : 'Alice Bobson',
-        maintainers : [
-          'Randy Ran',
-          {
-            name  : 'Bobby Bob',
-            email : 'bobby@bob.io'
-          }
-        ]
-      } ),
-      'utf8'
-    );
-
-    fs.mkdirSync( `${path}/node_modules/baz/node_modules` );
-    fs.mkdirSync( `${path}/node_modules/baz/node_modules/boing` );
-
-    fs.writeFileSync(
-      `${path}/node_modules/baz/node_modules/boing/package.json`,
-      JSON.stringify( { author : 'Bob Calsow <bob@calsow.io>' } ),
-      'utf8'
-    );
-
-
-
-    fs.mkdirSync( `${path}/linked/` );
-    fs.writeFileSync(
-      `${path}/linked/package.json`,
-      JSON.stringify( { author : 'Bob Loblaw' } ),
-      'utf8'
-    );
-    fs.symlinkSync( `${path}/linked`, `${path}/node_modules/linked` );
-
-
-    fs.mkdirSync( `${path}/node_modules/cycle` );
-    fs.writeFileSync(
-      `${path}/node_modules/cycle/package.json`,
-      JSON.stringify( { author : 'Bob Loblaw' } ),
-      'utf8'
-    );
-
-    fs.mkdirSync( `${path}/node_modules/cycle/node_modules` );
-    fs.symlinkSync( `${path}/node_modules/cycle`, `${path}/node_modules/cycle/node_modules/cycle` );
-
-    let credits = getCredits( path );
-
-    t.deepEqual( credits[ 0 ].name, 'Alice Bobson' );
-    t.deepEqual( credits[ 0 ].packages, [ 'bar', 'boom', 'baz' ] );
-
-    t.deepEqual( credits[ 1 ].name, 'Randy Ran' );
-    t.deepEqual( credits[ 1 ].packages, [ 'baz' ] );
-
-    t.deepEqual( credits[ 2 ].name, 'Bobby Bob' );
-    t.deepEqual( credits[ 2 ].packages, [ 'baz' ] );
-
-    t.deepEqual( credits[ 3 ].name, 'Bob Calsow' );
-    t.deepEqual( credits[ 3 ].packages, [ 'boing', 'foo' ] );
-
-    t.deepEqual( credits[ 4 ].name, 'Bob Loblaw' );
-    t.deepEqual( credits[ 4 ].packages, [ 'cycle', 'linked' ] );
-
-    cleanUpCb();
-
-    t.end();
-  } );
-} );
diff --git a/util/credit.js b/lib/credit.js
similarity index 100%
rename from util/credit.js
rename to lib/credit.js
diff --git a/util/package.js b/lib/package.js
similarity index 100%
rename from util/package.js
rename to lib/package.js
diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index 589eb32..94e0b9b
--- a/package.json
+++ b/package.json
@@ -3,9 +3,14 @@
   "version": "1.1.0",
   "description": "Find out on whose work your project is based on",
   "main": "index.js",
+  "files": [
+    "config.js",
+    "index.js",
+    "lib"
+  ],
   "scripts": {
-    "lint": "eslint *.js util/* lib/*",
-    "test": "npm run lint && nyc ava *.spec.js ./util/*.spec.js ./lib/**/*.spec.js",
+    "lint": "eslint lib/*.js lib/**/*.js",
+    "test": "npm run lint && nyc ava",
     "coveralls": "nyc report --reporter=text-lcov | coveralls"
   },
   "repository": {
@@ -22,6 +27,7 @@
     "ava": "^0.16.0",
     "coveralls": "^2.11.4",
     "eslint": "^3.7.1",
+    "fs-extra": "^0.30.0",
     "nyc": "^8.3.1",
     "tmp": "0.0.29"
   },
diff --git a/util/analyzers.spec.js b/test/analyzers.spec.js
similarity index 93%
rename from util/analyzers.spec.js
rename to test/analyzers.spec.js
index 6fdf935..3461c0a 100644
--- a/util/analyzers.spec.js
+++ b/test/analyzers.spec.js
@@ -1,7 +1,8 @@
 import test from 'ava';
 import tmp from 'tmp';
 import fs from 'fs';
-import analyzersUtil from './analyzers';
+
+import analyzersUtil from '../lib/analyzers';
 
 test.cb( 'getAnalyzers - iterate over all availalbe analyzers', t => {
   tmp.dir( { unsafeCleanup : true }, ( error, path, cleanUpCb ) => {
diff --git a/test/bower.spec.js b/test/bower.spec.js
new file mode 100644
index 0000000..4cc6c0e
--- /dev/null
+++ b/test/bower.spec.js
@@ -0,0 +1,19 @@
+import test from 'ava';
+import tmp from 'tmp';
+import fs from 'fs';
+import path from 'path';
+
+import getCredits from '../lib/analyzers/bower';
+
+const fixtures = path.resolve( './fixtures' );
+
+test( 'getCredits - get availalbe bower credits', t => {
+  const credits = getCredits( fixtures );
+
+  t.deepEqual( credits[ 0 ].name, 'Alice Bobson' );
+  t.deepEqual( credits[ 0 ].email, 'alicebobson@alison.io' );
+  t.deepEqual( credits[ 0 ].packages, [ 'bar' ] );
+
+  t.deepEqual( credits[ 1 ].name, 'Bob Calsow' );
+  t.deepEqual( credits[ 1 ].packages, [ 'foo' ] );
+} );
diff --git a/util/credit.spec.js b/test/credit.spec.js
similarity index 97%
rename from util/credit.spec.js
rename to test/credit.spec.js
index a46d77a..9e21eab 100644
--- a/util/credit.spec.js
+++ b/test/credit.spec.js
@@ -1,6 +1,6 @@
 import test from 'ava';
-import creditUtil from './credit';
 
+import creditUtil from '../lib/credit';
 
 test( 'getCredit - email is included', t => {
   let credits = [ { email : 'bob@calsow.io', url : 'http://4waisenkinder.de' } ];
diff --git a/test/fixtures/bower_components/bar/bower.json b/test/fixtures/bower_components/bar/bower.json
new file mode 100644
index 0000000..c621bfb
--- /dev/null
+++ b/test/fixtures/bower_components/bar/bower.json
@@ -0,0 +1 @@
+{"authors":[{"name":"Alice Bobson","email":"alicebobson@alison.io"}]}
\ No newline at end of file
diff --git a/test/fixtures/bower_components/foo/bower.json b/test/fixtures/bower_components/foo/bower.json
new file mode 100644
index 0000000..5686125
--- /dev/null
+++ b/test/fixtures/bower_components/foo/bower.json
@@ -0,0 +1 @@
+{"authors":["Bob Calsow"]}
\ No newline at end of file
diff --git a/test/fixtures/jspm_packages/github/components/foo/package.json b/test/fixtures/jspm_packages/github/components/foo/package.json
new file mode 100644
index 0000000..cbde5e2
--- /dev/null
+++ b/test/fixtures/jspm_packages/github/components/foo/package.json
@@ -0,0 +1 @@
+{"author":"Don Calsow"}
\ No newline at end of file
diff --git a/test/fixtures/jspm_packages/npm/baz/package.json b/test/fixtures/jspm_packages/npm/baz/package.json
new file mode 100644
index 0000000..2698438
--- /dev/null
+++ b/test/fixtures/jspm_packages/npm/baz/package.json
@@ -0,0 +1 @@
+{"author":"Alice Bobson","maintainers":["Randy Ran",{"name":"Bobby Bob","email":"bobby@bob.io"}]}
\ No newline at end of file
diff --git a/test/fixtures/jspm_packages/npm/boing/package.json b/test/fixtures/jspm_packages/npm/boing/package.json
new file mode 100644
index 0000000..4ecdf11
--- /dev/null
+++ b/test/fixtures/jspm_packages/npm/boing/package.json
@@ -0,0 +1 @@
+{"author":"Bob Calsow <bob@calsow.io>"}
\ No newline at end of file
diff --git a/test/fixtures/jspm_packages/npm/boo/package.json b/test/fixtures/jspm_packages/npm/boo/package.json
new file mode 100644
index 0000000..9a0d463
--- /dev/null
+++ b/test/fixtures/jspm_packages/npm/boo/package.json
@@ -0,0 +1 @@
+{"author":"Janice Robson"}
\ No newline at end of file
diff --git a/test/fixtures/linked/package.json b/test/fixtures/linked/package.json
new file mode 100644
index 0000000..49c170b
--- /dev/null
+++ b/test/fixtures/linked/package.json
@@ -0,0 +1 @@
+{"author":"Bob Loblaw"}
\ No newline at end of file
diff --git a/test/fixtures/node_modules/bar/node_modules/boom/package.json b/test/fixtures/node_modules/bar/node_modules/boom/package.json
new file mode 100644
index 0000000..00c16bb
--- /dev/null
+++ b/test/fixtures/node_modules/bar/node_modules/boom/package.json
@@ -0,0 +1 @@
+{"author":{"name":"Alice Bobson"}}
\ No newline at end of file
diff --git a/test/fixtures/node_modules/bar/package.json b/test/fixtures/node_modules/bar/package.json
new file mode 100644
index 0000000..e8ed32b
--- /dev/null
+++ b/test/fixtures/node_modules/bar/package.json
@@ -0,0 +1 @@
+{"author":"Alice Bobson"}
\ No newline at end of file
diff --git a/test/fixtures/node_modules/baz/node_modules/boing/package.json b/test/fixtures/node_modules/baz/node_modules/boing/package.json
new file mode 100644
index 0000000..4ecdf11
--- /dev/null
+++ b/test/fixtures/node_modules/baz/node_modules/boing/package.json
@@ -0,0 +1 @@
+{"author":"Bob Calsow <bob@calsow.io>"}
\ No newline at end of file
diff --git a/test/fixtures/node_modules/baz/package.json b/test/fixtures/node_modules/baz/package.json
new file mode 100644
index 0000000..2698438
--- /dev/null
+++ b/test/fixtures/node_modules/baz/package.json
@@ -0,0 +1 @@
+{"author":"Alice Bobson","maintainers":["Randy Ran",{"name":"Bobby Bob","email":"bobby@bob.io"}]}
\ No newline at end of file
diff --git a/test/fixtures/node_modules/cycle/package.json b/test/fixtures/node_modules/cycle/package.json
new file mode 100644
index 0000000..49c170b
--- /dev/null
+++ b/test/fixtures/node_modules/cycle/package.json
@@ -0,0 +1 @@
+{"author":"Bob Loblaw"}
\ No newline at end of file
diff --git a/test/fixtures/node_modules/foo/package.json b/test/fixtures/node_modules/foo/package.json
new file mode 100644
index 0000000..6ce6cf9
--- /dev/null
+++ b/test/fixtures/node_modules/foo/package.json
@@ -0,0 +1 @@
+{"author":"Bob Calsow"}
\ No newline at end of file
diff --git a/test/index.spec.js b/test/index.spec.js
new file mode 100644
index 0000000..aa91d6a
--- /dev/null
+++ b/test/index.spec.js
@@ -0,0 +1,24 @@
+import test from 'ava';
+import tmp from 'tmp';
+import fs from 'fs';
+import path from 'path';
+
+import credits from '../';
+
+const fixtures = path.resolve( './fixtures' );
+
+test( 'credits - folder exists', t => {
+    return credits( fixtures )
+      .then( credits => {
+        t.deepEqual( credits.npm[ 0 ].name, 'Alice Bobson' );
+        t.deepEqual( credits.npm[ 0 ].packages, ['bar', 'boom', 'baz'] );
+      } );
+} );
+
+test( 'credits - folder does not exist', t => {
+  return credits( '/path/that/does/not/exist' )
+    .catch( error => {
+      t.deepEqual( error.message, '/path/that/does/not/exist does not exist' );
+      t.pass();
+    } );
+} );
diff --git a/test/jspm.spec.js b/test/jspm.spec.js
new file mode 100644
index 0000000..42bfb17
--- /dev/null
+++ b/test/jspm.spec.js
@@ -0,0 +1,32 @@
+import test from 'ava';
+import tmp from 'tmp';
+import fs from 'fs';
+import path from 'path';
+
+import getCredits from '../lib/analyzers/jspm';
+
+const fixtures = path.resolve( './fixtures' );
+
+test( 'getCredits - get availalbe jspm credits', t => {
+  const credits = getCredits( fixtures );
+
+  t.deepEqual( credits[ 0 ].name, 'Alice Bobson' );
+  t.deepEqual( credits[ 0 ].packages, [ 'baz' ] );
+
+  t.deepEqual( credits[ 1 ].name, 'Randy Ran' );
+  t.deepEqual( credits[ 1 ].packages, [ 'baz' ] );
+
+  t.deepEqual( credits[ 2 ].name, 'Bobby Bob' );
+  t.deepEqual( credits[ 2 ].email, 'bobby@bob.io' );
+  t.deepEqual( credits[ 2 ].packages, [ 'baz' ] );
+
+  t.deepEqual( credits[ 3 ].name, 'Bob Calsow' );
+  t.deepEqual( credits[ 3 ].packages, [ 'boing' ] );
+
+  t.deepEqual( credits[ 4 ].name, 'Janice Robson' );
+  t.deepEqual( credits[ 4 ].packages, [ 'boo' ] );
+
+  t.deepEqual( credits[ 5 ].name, 'Don Calsow' );
+  t.deepEqual( credits[ 5 ].packages, [ 'foo' ] );
+
+} );
diff --git a/test/npm.spec.js b/test/npm.spec.js
new file mode 100644
index 0000000..13c18a3
--- /dev/null
+++ b/test/npm.spec.js
@@ -0,0 +1,30 @@
+import test from 'ava';
+import tmp from 'tmp';
+import fs from 'fs-extra';
+import path from 'path';
+
+import getCredits from '../lib/analyzers/npm';
+
+const fixtures = path.resolve( './fixtures' );
+
+test( 'getCredits - get availalbe npm credits', t => {
+  fs.ensureSymlinkSync( `${fixtures}/linked`, `${fixtures}/node_modules/linked` );
+  fs.ensureSymlinkSync( `${fixtures}/node_modules/cycle`, `${fixtures}/node_modules/cycle/node_modules/cycle` );
+
+  const credits = getCredits( fixtures );
+
+  t.deepEqual( credits[ 0 ].name, 'Alice Bobson' );
+  t.deepEqual( credits[ 0 ].packages, [ 'bar', 'boom', 'baz' ] );
+
+  t.deepEqual( credits[ 1 ].name, 'Randy Ran' );
+  t.deepEqual( credits[ 1 ].packages, [ 'baz' ] );
+
+  t.deepEqual( credits[ 2 ].name, 'Bobby Bob' );
+  t.deepEqual( credits[ 2 ].packages, [ 'baz' ] );
+
+  t.deepEqual( credits[ 3 ].name, 'Bob Calsow' );
+  t.deepEqual( credits[ 3 ].packages, [ 'boing', 'foo' ] );
+
+  t.deepEqual( credits[ 4 ].name, 'Bob Loblaw' );
+  t.deepEqual( credits[ 4 ].packages, [ 'cycle', 'linked' ] );
+} );
diff --git a/util/package.spec.js b/test/package.spec.js
similarity index 98%
rename from util/package.spec.js
rename to test/package.spec.js
index e574d27..6ae225c 100644
--- a/util/package.spec.js
+++ b/test/package.spec.js
@@ -1,6 +1,7 @@
 import test from 'ava';
 import { authors, index } from 'all-stars';
-import packageUtil from './package';
+
+import packageUtil from '../lib/package';
 
 test( 'getAuthor - author is a string', t => {
   // only short hand name