StackGenVis: Alignment of Data, Algorithms, and Models for Stacking Ensemble Learning Using Performance Metrics https://doi.org/10.1109/TVCG.2020.3030352
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
StackGenVis/frontend/node_modules/tape/test/end-as-callback.js

88 lines
2.4 KiB

var tap = require("tap");
var forEach = require("for-each");
var tape = require("../");
var concat = require('concat-stream');
tap.test("tape assert.end as callback", function (tt) {
var test = tape.createHarness({ exit: false });
test.createStream().pipe(concat(function (rows) {
tt.equal(rows.toString('utf8'), [
'TAP version 13',
'# do a task and write',
'ok 1 null',
'ok 2 should be equal',
'# do a task and write fail',
'ok 3 null',
'ok 4 should be equal',
'not ok 5 Error: fail',
getStackTrace(rows), // tap error stack
'',
'1..5',
'# tests 5',
'# pass 4',
'# fail 1'
].join('\n') + '\n');
tt.end();
}));
test("do a task and write", function (assert) {
fakeAsyncTask("foo", function (err, value) {
assert.ifError(err);
assert.equal(value, "taskfoo");
fakeAsyncWrite("bar", assert.end);
});
});
test("do a task and write fail", function (assert) {
fakeAsyncTask("bar", function (err, value) {
assert.ifError(err);
assert.equal(value, "taskbar");
fakeAsyncWriteFail("baz", assert.end);
});
});
});
function fakeAsyncTask(name, cb) {
cb(null, "task" + name);
}
function fakeAsyncWrite(name, cb) {
cb(null);
}
function fakeAsyncWriteFail(name, cb) {
cb(new Error("fail"));
}
/**
* extract the stack trace for the failed test.
* this will change dependent on the environment
* so no point hard-coding it in the test assertion
* see: https://git.io/v6hGG for example
* @param String rows - the tap output lines
* @returns String stacktrace - just the error stack part
*/
function getStackTrace(rows) {
var stacktrace = ' ---\n';
var extract = false;
forEach(rows.toString('utf8').split('\n'), function (row) {
if (!extract) {
if (row.indexOf('---') > -1) { // start of stack trace
extract = true;
}
} else {
if (row.indexOf('...') > -1) { // end of stack trace
extract = false;
stacktrace += ' ...';
} else {
stacktrace += row + '\n';
}
}
});
// console.log(stacktrace);
return stacktrace;
}