StackGenVis: Alignment of Data, Algorithms, and Models for Stacking Ensemble Learning Using Performance Metrics
https://doi.org/10.1109/TVCG.2020.3030352
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61 lines
2.0 KiB
61 lines
2.0 KiB
4 years ago
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var test = require('tap').test;
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var path = require('path');
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var concat = require('concat-stream');
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var spawn = require('child_process').spawn;
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var stripFullStack = require('./common').stripFullStack;
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test(function (t) {
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t.plan(2);
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var ps = spawn(process.execPath, [path.join(__dirname, 'double_end', 'double.js')]);
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ps.on('exit', function (code) {
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t.equal(code, 1);
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});
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ps.stdout.pipe(concat(function (body) {
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// The implementation of node's timer library has changed over time. We
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// need to reverse engineer the error we expect to see.
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// This code is unfortunately by necessity highly coupled to node
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// versions, and may require tweaking with future versions of the timers
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// library.
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function doEnd() { throw new Error(); };
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var to = setTimeout(doEnd, 5000);
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clearTimeout(to);
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to._onTimeout = doEnd;
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var stackExpected;
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var atExpected;
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try {
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to._onTimeout();
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}
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catch (e) {
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stackExpected = stripFullStack(e.stack).split('\n')[1];
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stackExpected = stackExpected.replace('double_end.js', 'double_end/double.js');
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stackExpected = stackExpected.trim();
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atExpected = stackExpected.replace(/^at\s+/, 'at: ');
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}
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var stripped = stripFullStack(body.toString('utf8'));
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t.equal(stripped, [
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'TAP version 13',
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'# double end',
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'ok 1 should be equal',
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'not ok 2 .end() called twice',
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' ---',
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' operator: fail',
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' ' + atExpected,
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' stack: |-',
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' Error: .end() called twice',
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' [... stack stripped ...]',
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' ' + stackExpected,
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' [... stack stripped ...]',
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' ...',
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'',
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'1..2',
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'# tests 2',
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'# pass 1',
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'# fail 1',
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].join('\n') + '\n\n');
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}));
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});
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