fix tests

src/common.js

@@ -172,8 +172,6 @@ function is(pos){
  * Credit for this routine to https://github.com/NaturalNode/natural
  */
 function lineDataToJSON(line, location) {
-  // if (!dataCheck(line, location)) return new Error('Bad data at location ' + location);
-
   var data = line.split('| '),
     tokens = data[0].split(/\s+/),
     ptrs = [],

src/node/dataFile.js

@@ -52,11 +52,9 @@ function readLocation(location, callback) {
       return;
     }
     //console.log('  read %d bytes at <%d>', count, location);
+    if (!dataCheck(str, location)) return callback(new Error('Bad data at location ' + location));
 
-    callback(null, function() {
-      if (!dataCheck(str, location)) return new Error('Bad data at location ' + location);
-      lineDataToJSON(str, location)
-    });
+    callback(null, lineDataToJSON(str, location));
   });
 
   function readChunk(pos, cb) {

src/wordpos.js

@@ -0,0 +1,16 @@
+/*!
+* wordpos.js
+*
+*    Node.js part-of-speech utilities using WordNet database.
+*
+* Copyright (c) 2012-2019 mooster@42at.com
+* https://github.com/moos/wordpos
+*
+* Released under MIT license
+*/
+
+if (process.browser) {
+  module.exports = require('./browser');
+} else {
+  module.exports = require('./node');
+}

test/wordpos_test.js

@@ -372,7 +372,7 @@ describe('seek()...', function() {
   it('should handle bad offset', function(done) {
       wordpos.seek('foobar', 'a', function(err, result){
         assert(err instanceof Error);
-        assert.equal(err.message, 'offset must be valid positive number.');
+        assert.equal(err.message, 'Offset must be valid positive number: foobar');
         done();
       }).catch(_.noop); // UnhandledPromiseRejectionWarning
   });
@@ -498,7 +498,7 @@ describe('Promise pattern', function() {
   it('seek() - bad offset', function () {
     return wordpos.seek('foobar', 'a').catch(function (err) {
       assert(err instanceof Error);
-      assert.equal(err.message, 'offset must be valid positive number.');
+      assert.equal(err.message, 'Offset must be valid positive number: foobar');
     });
   });