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Added throttling test

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Jonathan Frederic 2013-12-12 18:26:44 +00:00
parent aae6970944
commit 8853e40905
1 changed files with 50 additions and 1 deletions
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51
IPython/html/tests/casperjs/test_cases/widgets.js
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@ -77,7 +77,6 @@ casper.notebook_test(function () {
}
});
// Test bool widget ////////////////////////////////////////////////////////
var bool_index = this.append_cell(
'bool_widget = widgets.BoolWidget(description="Title", value=True)\n' +
@ -882,4 +881,54 @@ casper.notebook_test(function () {
'.widget-area .widget-subarea div span.MathJax_Preview'),
'MathJax parsed the LaTeX successfully.');
});
// Test throttling /////////////////////////////////////////////////////////
throttle_index = this.append_cell(
'import time\n' +
'textbox = widgets.StringWidget()\n' +
'display(textbox)\n'+
'textbox.add_class("my-throttle-textbox")\n' +
'def handle_change(name, old, new):\n' +
' print(len(new))\n' +
' time.sleep(0.5)\n' +
'textbox.on_trait_change(handle_change)\n' +
'print("Success")');
this.execute_cell_then(throttle_index, function(index){
this.test.assert(this.get_output_cell(index).text == 'Success\n',
'Test throttling cell executed with correct output');
this.test.assert(this.cell_element_exists(index,
'.widget-area .widget-subarea'),
'Widget subarea exists.');
this.test.assert(this.cell_element_exists(index,
'.my-throttle-textbox'), 'Textbox exists.');
// Send 20 characters
this.sendKeys('.my-throttle-textbox', '....................');
});
this.wait(2000); // Wait for clicks to execute in kernel
this.then(function(){
var resume = true;
var i = 0;
while (resume) {
i++;
var output = this.get_output_cell(throttle_index, i);
if (output === undefined || output === null) {
resume = false;
i--;
}
}
// Only 4 outputs should have printed, but because of timing, sometimes
// 5 outputs will print. All we need to do is verify num outputs <= 5
// because that is much less than 20.
this.test.assert(i <= 5, 'Messages throttled.');
// We also need to verify that the last state sent was correct.
var last_state = this.get_output_cell(throttle_index, i).text;
this.test.assert(last_state == "20\n", "Last state sent when throttling.");
})
});