Remove 'not to have attributes'. The negative match doesn't seem to have a big enough use case for attributes

Author: Munter

lib/index.js

@@ -69,14 +69,18 @@ module.exports = {
       }
     });
 
-    expect.addAssertion('HTMLElement', ['[not] to [only] have (attribute|attributes)', '[not] to have (attribute|attributes)'], function (expect, subject, cmp) {
+    expect.addAssertion('HTMLElement', ['to [only] have (attribute|attributes)'], function (expect, subject, cmp) {
       var attrs = getAttributes(subject);
 
       if (typeof cmp === 'string') {
-        expect(attrs, '[not] to [only] have keys', Array.prototype.slice.call(arguments, 2));
+        expect(attrs, 'to [only] have keys', Array.prototype.slice.call(arguments, 2));
       } else if (Array.isArray(cmp)) {
-        expect(attrs, '[not] to [only] have keys', cmp);
+        expect(attrs, 'to [only] have keys', cmp);
+      } else {
+        expect(attrs, '');
       }
+
+
     });
   }
 };

test/unexpected-dom.js

@@ -73,23 +73,6 @@ describe('unexpected-dom', function () {
           expect(err.output.toString(), 'to be', 'expected <button class="bar" data-info="baz" disabled="" id="foo"/> to have attributes \'id\', \'foo\'');
         });
       });
-
-      it('should match negative arguments', function () {
-        this.body.innerHTML = '<button id="foo" class="bar" data-info="baz" disabled>Press me</button>';
-
-        expect(this.body.firstChild, 'not to have attributes', 'foo', 'bar');
-      });
-
-      it('should fail on negative partial arguments met', function () {
-        this.body.innerHTML = '<button id="foo" class="bar" data-info="baz" disabled>Press me</button>';
-        var el = this.body.firstChild;
-
-        expect(function () {
-          expect(el, 'not to have attributes', 'id');
-        }, 'to throw exception', function (err) {
-          expect(err.output.toString(), 'to be', 'expected <button class="bar" data-info="baz" disabled="" id="foo"/> not to have attributes \'id\'');
-        });
-      });
     });
 
     describe('array comparison', function () {
@@ -126,23 +109,6 @@ describe('unexpected-dom', function () {
           expect(err.output.toString(), 'to be', 'expected <button class="bar" data-info="baz" disabled="" id="foo"/> to have attributes [ \'id\', \'foo\' ]');
         });
       });
-
-      it('should match negative arguments', function () {
-        this.body.innerHTML = '<button id="foo" class="bar" data-info="baz" disabled>Press me</button>';
-
-        expect(this.body.firstChild, 'not to have attributes', ['foo', 'bar']);
-      });
-
-      it('should fail on negative partial arguments met', function () {
-        this.body.innerHTML = '<button id="foo" class="bar" data-info="baz" disabled>Press me</button>';
-        var el = this.body.firstChild;
-
-        expect(function () {
-          expect(el, 'not to have attributes', ['id']);
-        }, 'to throw exception', function (err) {
-          expect(err.output.toString(), 'to be', 'expected <button class="bar" data-info="baz" disabled="" id="foo"/> not to have attributes [ \'id\' ]');
-        });
-      });
     });
   });