test: behaviour when package.json is missing

This was somewhat undocumented, so this is much needed. The primary
feature of this is that it uses the directory name as the package name
when there is no package.json.

lib/project.js

@@ -52,7 +52,6 @@ function Project(pkgPath, cb) {
   try {
     this.rawPkgJSON = JSON.parse(fs.readFileSync(this.pkgJSONPath, 'utf8'));
   } catch (e) {
-    console.error('Could not read package:', e);
     this.rawPkgJSON = {};
   }
 

test/test-project.js

@@ -7,7 +7,9 @@
 
 var fs = require('fs');
 var helpers = require('./helpers');
+var mkdirp = require('mkdirp');
 var path = require('path');
+var rimraf = require('rimraf');
 var test = require('tap').test;
 var Project = require('../lib/project');
 
@@ -139,3 +141,12 @@ test('bower support', function(t) {
   t.strictEqual(bower.version, '2.3.4');
   t.end();
 });
+
+test('package inference without package.json', function(t) {
+  var SANDBOX_NOJSON = path.resolve(__dirname, 'SANDBOX-no-json');
+  rimraf.sync(SANDBOX_NOJSON);
+  mkdirp.sync(SANDBOX_NOJSON);
+  var p1 = new Project(SANDBOX_NOJSON);
+  t.equal(p1.nameVer(), 'SANDBOX-no-json@1.0.0-0');
+  t.end();
+});