From d0d48863ab6e80a0e459774a9dd7c185374bb35d 2014-07-23 23:20:01
From: Thomas Kluyver <takowl@gmail.com>
Date: 2014-07-23 23:20:01
Subject: [PATCH] Merge pull request #6144 from minrk/show-js-errors

add some debugging output to js tests
---

diff --git a/IPython/html/tests/notebook/interrupt.js b/IPython/html/tests/notebook/interrupt.js
index 7c2912c..24b6266 100644
--- a/IPython/html/tests/notebook/interrupt.js
+++ b/IPython/html/tests/notebook/interrupt.js
@@ -26,13 +26,14 @@ casper.notebook_test(function () {
 
     // run cell 0 again, now interrupting using keyboard shortcut
     this.thenEvaluate(function () {
+        var cell = IPython.notebook.get_cell(0);
         cell.clear_output();
         cell.execute();
     });
 
-    // interrupt using Ctrl-M I keyboard shortcut
+    // interrupt using ii keyboard shortcut
     this.then(function(){
-        this.trigger_keydown('i');
+        this.trigger_keydown('esc', 'i', 'i');
     });
     
     this.wait_for_output(0);
diff --git a/IPython/html/tests/notebook/isolated_svg.js b/IPython/html/tests/notebook/isolated_svg.js
index 8c9b763..ac29d49 100644
--- a/IPython/html/tests/notebook/isolated_svg.js
+++ b/IPython/html/tests/notebook/isolated_svg.js
@@ -21,7 +21,6 @@ casper.notebook_test(function () {
                        "display_svg(SVG(s2), metadata=dict(isolated=True))\n"
             );
         cell.execute();
-        console.log("hello" );
     });
 
     this.then(function() {
@@ -30,7 +29,6 @@ casper.notebook_test(function () {
         this.echo(this.currentUrl);
         this.evaluate(function (n) {
             IPython.notebook.rename(n);
-            console.write("hello" + n);
             IPython.notebook.save_notebook();
         }, {n : fname});
         this.echo(this.currentUrl);
@@ -40,9 +38,6 @@ casper.notebook_test(function () {
     
         url = this.evaluate(function() {
             IPython.notebook.rename("foo");
-            //$("span#notebook_name")[0].click();
-            //$("input")[0].value = "please-work";
-            //$(".btn-primary")[0].click();
             return document.location.href;
         });
         this.echo("renamed" + url);
diff --git a/IPython/html/tests/util.js b/IPython/html/tests/util.js
index bc9ce6d..eaac02c 100644
--- a/IPython/html/tests/util.js
+++ b/IPython/html/tests/util.js
@@ -480,7 +480,7 @@ casper.notebook_test = function(test) {
     this.then(function(){
         this.evaluate(function(){
             window.onbeforeunload = function(){};
-        });    
+        });
     });
 
     this.then(test);
@@ -546,3 +546,56 @@ casper.print_log = function () {
         this.echo('Remote message caught: ' + msg);
     });
 };
+
+casper.on("page.error", function onError(msg, trace) {
+    // show errors in the browser
+    this.echo("Page Error!");
+    for (var i = 0; i < trace.length; i++) {
+        var frame = trace[i];
+        var file = frame.file;
+        // shorten common phantomjs evaluate url
+        // this will have a different value on slimerjs
+        if (file === "phantomjs://webpage.evaluate()") {
+            file = "evaluate";
+        }
+        this.echo("line " + frame.line + " of " + file);
+        if (frame.function.length > 0) {
+            this.echo("in " + frame.function);
+        }
+    }
+    this.echo(msg);
+});
+
+
+casper.capture_log = function () {
+    // show captured errors
+    var captured_log = [];
+    var seen_errors = 0;
+    this.on('remote.message', function(msg) {
+        captured_log.push(msg);
+    });
+    
+    this.test.on("test.done", function (result) {
+        // test.done runs per-file,
+        // but suiteResults is per-suite (directory)
+        var current_errors;
+        if (this.suiteResults) {
+            // casper 1.1 has suiteResults
+            current_errors = this.suiteResults.countErrors() + this.suiteResults.countFailed();
+        } else {
+            // casper 1.0 has testResults instead
+            current_errors = this.testResults.failed;
+        }
+
+        if (current_errors > seen_errors && captured_log.length > 0) {
+            casper.echo("\nCaptured console.log:");
+            for (var i = 0; i < captured_log.length; i++) {
+                casper.echo("    " + captured_log[i]);
+            }
+        }
+        seen_errors = current_errors;
+        captured_log = [];
+    });
+};
+
+casper.capture_log();