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