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output.js
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output.js
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//
// Various output tests
//
casper.notebook_test(function () {
this.compare_outputs = function(results, expected) {
for (var i = 0; i < results.length; i++) {
var r = results[i];
var ex = expected[i];
this.test.assertEquals(r.output_type, ex.output_type, "output " + i + " = " + r.output_type);
if (r.output_type === 'stream') {
this.test.assertEquals(r.name, ex.name, "stream " + i + " = " + r.name);
this.test.assertEquals(r.text, ex.text, "content " + i);
}
}
}
this.test_coalesced_output = function (msg, code, expected) {
this.then(function () {
this.echo("Test coalesced output: " + msg);
});
this.thenEvaluate(function (code) {
IPython.notebook.insert_cell_at_index("code", 0);
var cell = IPython.notebook.get_cell(0);
cell.set_text(code);
cell.execute();
}, {code: code});
this.wait_for_output(0);
this.then(function () {
var results = this.evaluate(function () {
var cell = IPython.notebook.get_cell(0);
return cell.output_area.outputs;
});
this.test.assertEquals(results.length, expected.length, "correct number of outputs");
this.compare_outputs(results, expected);
});
};
this.thenEvaluate(function () {
IPython.notebook.insert_cell_at_index("code", 0);
var cell = IPython.notebook.get_cell(0);
cell.set_text([
"import sys",
"from IPython.display import display, clear_output"
].join("\n")
);
cell.execute();
});
this.test_coalesced_output("stdout", [
"print(1)",
"sys.stdout.flush()",
"print(2)",
"sys.stdout.flush()",
"print(3)"
].join("\n"), [{
output_type: "stream",
name: "stdout",
text: "1\n2\n3\n"
}]
);
this.test_coalesced_output("stdout+sdterr", [
"print(1)",
"sys.stdout.flush()",
"print(2)",
"print(3, file=sys.stderr)"
].join("\n"), [{
output_type: "stream",
name: "stdout",
text: "1\n2\n"
},{
output_type: "stream",
name: "stderr",
text: "3\n"
}]
);
this.test_coalesced_output("display splits streams", [
"print(1)",
"sys.stdout.flush()",
"display(2)",
"print(3)"
].join("\n"), [{
output_type: "stream",
name: "stdout",
text: "1\n"
},{
output_type: "display_data",
},{
output_type: "stream",
name: "stdout",
text: "3\n"
}]
);
this.test_coalesced_output("test nested svg", [
'from IPython.display import SVG',
'nested_svg="""',
'<svg xmlns="http://www.w3.org/2000/svg" width="200" height="100" >',
' <svg x="0">',
' <rect x="10" y="10" height="80" width="80" style="fill: #0000ff"/>',
' </svg>',
' <svg x="100">',
' <rect x="10" y="10" height="80" width="80" style="fill: #00cc00"/>',
' </svg>',
'</svg>"""',
'SVG(nested_svg)'
].join("\n"), [{
output_type: "execute_result",
data: {
"text/plain" : "<IPython.core.display.SVG object>",
"image/svg+xml": [
'<svg height="200" width="100" xmlns="http://www.w3.org/2000/svg">',
' <svg x="0">',
' <rect height="80" style="fill: #0000ff" width="80" x="10" y="10"/>',
' </svg>',
' <svg x="100">',
' <rect height="80" style="fill: #00cc00" width="80" x="10" y="10"/>',
' </svg>',
'</svg>'].join("\n")
},
}]
);
this.then(function () {
this.echo("Test output callback overrides");
});
this.thenEvaluate(function () {
IPython.notebook.insert_cell_at_index("code", 0);
var cell = IPython.notebook.get_cell(0);
cell.set_text(["print(1)",
"sys.stdout.flush()",
"print(2)",
"sys.stdout.flush()",
"print(3, file=sys.stderr)",
"sys.stdout.flush()",
"display(2)",
"clear_output()",
"sys.stdout.flush()",
"print('remove handler')",
"sys.stdout.flush()",
"print('back to cell')",
"sys.stdout.flush()",
].join('\n'));
cell.execute();
var kernel = IPython.notebook.kernel;
var msg_id = cell.last_msg_id;
var callback_id = 'mycallbackid'
cell.iopub_messages = [];
var add_msg = function(msg) {
if (msg.content.text==="remove handler\n") {
kernel.output_callback_overrides_pop(msg_id);
}
msg.content.output_type = msg.msg_type;
cell.iopub_messages.push(msg.content);
};
kernel.set_callbacks_for_msg(callback_id, {
iopub: {
output: add_msg,
clear_output: add_msg,
}
}, false);
kernel.output_callback_overrides_push(msg_id, callback_id);
});
this.wait_for_idle();
this.then(function () {
var expected_callback = [{
output_type: "stream",
name: "stdout",
text: "1\n"
}, {
output_type: "stream",
name: "stdout",
text: "2\n"
}, {
output_type: "stream",
name: "stderr",
text: "3\n"
},{
output_type: "display_data",
},{
output_type: "clear_output",
},{
output_type: "stream",
name: "stdout",
text: "remove handler\n"
},]
var expected_cell = [{
output_type: "stream",
name: "stdout",
text: "back to cell\n"
}]
var returned = this.evaluate(function () {
var cell = IPython.notebook.get_cell(0);
return [cell.output_area.outputs, cell.iopub_messages];
});
var cell_results = returned[0];
var callback_results = returned[1];
this.test.assertEquals(cell_results.length, expected_cell.length, "correct number of cell outputs");
this.test.assertEquals(callback_results.length, expected_callback.length, "correct number of callback outputs");
this.compare_outputs(cell_results, expected_cell);
this.compare_outputs(callback_results, expected_callback);
});
this.then(function () {
this.echo("Test output callback overrides get execute_results messages too");
});
this.thenEvaluate(function () {
IPython.notebook.insert_cell_at_index("code", 0);
var cell = IPython.notebook.get_cell(0);
cell.set_text("'end'");
cell.execute();
var kernel = IPython.notebook.kernel;
var msg_id = cell.last_msg_id;
var callback_id = 'mycallbackid2'
cell.iopub_messages = [];
var add_msg = function(msg) {
msg.content.output_type = msg.msg_type;
cell.iopub_messages.push(msg.content);
};
kernel.set_callbacks_for_msg(callback_id, {
iopub: {
output: add_msg,
clear_output: add_msg,
}
}, false);
kernel.output_callback_overrides_push(msg_id, callback_id);
});
this.wait_for_idle();
this.then(function () {
var expected_callback = [{
output_type: "execute_result",
data: {
"text/plain" : "'end'"
}
}];
var expected_cell = [];
var returned = this.evaluate(function () {
var cell = IPython.notebook.get_cell(0);
return [cell.output_area.outputs, cell.iopub_messages];
});
var cell_results = returned[0];
var callback_results = returned[1];
this.test.assertEquals(cell_results.length, expected_cell.length, "correct number of cell outputs");
this.test.assertEquals(callback_results.length, expected_callback.length, "correct number of callback outputs");
this.compare_outputs(callback_results, expected_callback);
});
});