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Add comment clarifying new hook function,

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Refined Page Error output.
This commit is contained in:
Jonathan Frederic 2014-11-04 12:32:53 -08:00
parent fed878fed9
commit 26d012b3b7
1 changed files with 7 additions and 4 deletions
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11
IPython/html/tests/util.js
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@ -22,8 +22,11 @@ casper.open_new_notebook = function () {
});
this.waitFor(this.page_loaded);
// Hook the log and error methods of the console, forcing them to
// serialize their arguments before printing. This allows the
// Objects to cross into the phantom/slimer regime for display.
this.thenEvaluate(function(){
var fix_function = function(f, context) {
var serialize_arguments = function(f, context) {
return function() {
var pretty_arguments = [];
for (var i = 0; i < arguments.length; i++) {
@ -37,8 +40,8 @@ casper.open_new_notebook = function () {
f.apply(context, pretty_arguments);
};
};
console.log = fix_function(console.log, console);
console.error = fix_function(console.error, console);
console.log = serialize_arguments(console.log, console);
console.error = serialize_arguments(console.error, console);
});
// Make sure the kernel has started
@ -675,7 +678,7 @@ casper.print_log = function () {
casper.on("page.error", function onError(msg, trace) {
// show errors in the browser
this.echo("Page Error");
this.echo(" Message: " + msg);
this.echo(" Message: " + msg.split('\n').join('\n '));
this.echo(" Call stack:");
var local_path = this.get_notebook_server();
for (var i = 0; i < trace.length; i++) {