Make afterEach() hooks work when skipping tests

Mocha will now run afterEach() hooks when tests are skipped, so we need
to make them more robust against things being partially set up.

4 files changed, 30 insertions, 10 deletions

diff --git a/tests/test.helper.js b/tests/test.helper.js
index 0232819..b1f438e 100644
--- a/tests/test.helper.js
+++ b/tests/test.helper.js
@@ -86,7 +86,9 @@ describe('Helpers', function () {
                 window.navigator.platform = "Mac x86_64";
             });
             afterEach(function () {
-                Object.defineProperty(window, "navigator", origNavigator);
+                if (origNavigator !== undefined) {
+                    Object.defineProperty(window, "navigator", origNavigator);
+                }
             });
 
             it('should respect ContextMenu on modern browser', function () {
@@ -150,7 +152,9 @@ describe('Helpers', function () {
                 }
             });
             afterEach(function () {
-                Object.defineProperty(window, "navigator", origNavigator);
+                if (origNavigator !== undefined) {
+                    Object.defineProperty(window, "navigator", origNavigator);
+                }
             });
 
             it('should ignore printable character key on IE', function () {
diff --git a/tests/test.keyboard.js b/tests/test.keyboard.js
index b49312d..3571d39 100644
--- a/tests/test.keyboard.js
+++ b/tests/test.keyboard.js
@@ -272,7 +272,9 @@ describe('Key Event Handling', function () {
             window.navigator.platform = "Mac x86_64";
         });
         afterEach(function () {
-            Object.defineProperty(window, "navigator", origNavigator);
+            if (origNavigator !== undefined) {
+                Object.defineProperty(window, "navigator", origNavigator);
+            }
         });
 
         it('should change Alt to AltGraph', function () {
@@ -336,7 +338,9 @@ describe('Key Event Handling', function () {
         });
 
         afterEach(function () {
-            Object.defineProperty(window, "navigator", origNavigator);
+            if (origNavigator !== undefined) {
+                Object.defineProperty(window, "navigator", origNavigator);
+            }
         });
 
         it('should toggle caps lock on key press on iOS', function (done) {
@@ -413,8 +417,12 @@ describe('Key Event Handling', function () {
             this.clock = sinon.useFakeTimers();
         });
         afterEach(function () {
-            Object.defineProperty(window, "navigator", origNavigator);
-            this.clock.restore();
+            if (origNavigator !== undefined) {
+                Object.defineProperty(window, "navigator", origNavigator);
+            }
+            if (this.clock !== undefined) {
+                this.clock.restore();
+            }
         });
 
         it('should supress ControlLeft until it knows if it is AltGr', function () {
@@ -559,8 +567,12 @@ describe('Key Event Handling', function () {
             this.clock = sinon.useFakeTimers();
         });
         afterEach(function () {
-            Object.defineProperty(window, "navigator", origNavigator);
-            this.clock.restore();
+            if (origNavigator !== undefined) {
+                Object.defineProperty(window, "navigator", origNavigator);
+            }
+            if (this.clock !== undefined) {
+                this.clock.restore();
+            }
         });
 
         it('should fake a left Shift keyup', function () {
diff --git a/tests/test.localization.js b/tests/test.localization.js
index 9570c17..301ab79 100644
--- a/tests/test.localization.js
+++ b/tests/test.localization.js
@@ -27,7 +27,9 @@ describe('Localization', function () {
             window.navigator.languages = [];
         });
         afterEach(function () {
-            Object.defineProperty(window, "navigator", origNavigator);
+            if (origNavigator !== undefined) {
+                Object.defineProperty(window, "navigator", origNavigator);
+            }
         });
 
         it('should use English by default', function () {
diff --git a/tests/test.webutil.js b/tests/test.webutil.js
index 72e1942..2a166ee 100644
--- a/tests/test.webutil.js
+++ b/tests/test.webutil.js
@@ -42,7 +42,9 @@ describe('WebUtil', function () {
                 return WebUtil.initSettings();
             });
             afterEach(function () {
-                Object.defineProperty(window, "localStorage", origLocalStorage);
+                if (origLocalStorage !== undefined) {
+                    Object.defineProperty(window, "localStorage", origLocalStorage);
+                }
             });
 
             describe('writeSetting', function () {