js: improve connection check

--

* Connection.js: In some cases, the browser disconnect does not
  happen inmediately (e.g. wrong extension for the app). I added a
  delay of 25 ms to see if the connection was closed by the browser.
  Also, I tried to make the checkConnection more readable.

1 files changed, 12 insertions, 0 deletions

diff --git a/lang/js/BrowserTestExtension/tests/startup.js b/lang/js/BrowserTestExtension/tests/startup.js
index 34333e6b..c1c576cc 100644
--- a/lang/js/BrowserTestExtension/tests/startup.js
+++ b/lang/js/BrowserTestExtension/tests/startup.js
@@ -44,4 +44,16 @@ describe('GPGME context', function (){
                 done();
             });
     });
+
+    it('Error message on unsuccessful connection (timeout)', function (done) {
+        let prm = Gpgmejs.init({ timeout: 1 });
+        prm.then(
+            null,
+            function (error){
+                expect(error).to.be.an('error');
+                expect(error.code).to.equal('CONN_TIMEOUT');
+                done();
+            }
+        );
+    });
 });
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