Allow Nightmare 3.0+ as a peer dependency

package.json

@@ -21,7 +21,7 @@
   },
   "homepage": "https://github.com/Mr0grog/nightmare-real-mouse#readme",
   "peerDependencies": {
-    "nightmare": "^2.10.0"
+    "nightmare": ">=2.10.0 <4.0"
   },
   "devDependencies": {
     "chai": "^4.0.0",

test/test.js

@@ -127,6 +127,28 @@ describe('real-mouse', function() {
           expect(title).to.equal('Submitted Page');
         });
     });
+
+    it('should reject if the selector is not found', function() {
+      return nightmare
+        .goto(`${baseUrl}/simple`)
+        .realClick('#does-not-exist')
+        .then(() => {
+          throw new Error('Using a non-existent selector did not reject');
+        }, error => {
+          expect(error.message).to.equal('Cannot find element: "#does-not-exist"');
+        });
+    });
+
+    it('should reject if the selector was not a string', function() {
+      return nightmare
+        .goto(`${baseUrl}/simple`)
+        .realClick(5)
+        .then(() => {
+          throw new Error('Using a non-string selector did not reject');
+        }, error => {
+          expect(error.message).to.have.string('"selector" must be a string');
+        });
+    });
   });
 
   describe('realMouseover', function() {
@@ -186,6 +208,17 @@ describe('real-mouse', function() {
           ]);
         });
     });
+
+    it('should reject the nightmare promise if the selector is not found', function() {
+      return nightmare
+        .goto(`${baseUrl}/simple`)
+        .realMouseover('#does-not-exist')
+        .then(() => {
+          throw new Error('Using a non-existent selector did not reject');
+        }, error => {
+          expect(error.message).to.equal('Cannot find element: "#does-not-exist"');
+        });
+    });
   });
 
   describe('realMousedown', function() {
@@ -218,6 +251,17 @@ describe('real-mouse', function() {
           ]);
         });
     });
+
+    it('should reject the nightmare promise if the selector is not found', function() {
+      return nightmare
+        .goto(`${baseUrl}/simple`)
+        .realMousedown('#does-not-exist')
+        .then(() => {
+          throw new Error('Using a non-existent selector did not reject');
+        }, error => {
+          expect(error.message).to.equal('Cannot find element: "#does-not-exist"');
+        });
+    });
   });
 });