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get_output_cell fails with no such output

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rather than returning null
This commit is contained in:
MinRK 2014-01-19 15:43:06 -08:00
parent 0e454c7fe0
commit 3c2ff965ef
1 changed files with 13 additions and 2 deletions
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15
IPython/html/tests/casperjs/util.js
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@ -73,7 +73,7 @@ casper.wait_for_output = function (cell_num) {
});
};
// return the output of a given cell
// return an output of a given cell
casper.get_output_cell = function (cell_num, out_num) {
out_num = out_num || 0;
var result = casper.evaluate(function (c, o) {
@ -81,7 +81,18 @@ casper.get_output_cell = function (cell_num, out_num) {
return cell.output_area.outputs[o];
},
{c : cell_num, o : out_num});
return result;
if (!result) {
var num_outputs = casper.evaluate(function (c) {
var cell = IPython.notebook.get_cell(c);
return cell.output_area.outputs.length;
},
{c : cell_num});
this.test.assertTrue(false,
"Cell " + cell_num + " has no output #" + out_num + " (" + num_outputs + " total)"
);
} else {
return result;
}
};
// return the number of cells in the notebook