314 lines
8.9 KiB
JavaScript
314 lines
8.9 KiB
JavaScript
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var tape = require('../');
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var tap = require('tap');
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var concat = require('concat-stream');
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var tapParser = require('tap-parser');
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var yaml = require('js-yaml');
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tap.test('preserves stack trace with newlines', function (tt) {
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tt.plan(3);
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var test = tape.createHarness();
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var stream = test.createStream();
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var parser = stream.pipe(tapParser());
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var stackTrace = 'foo\n bar';
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parser.once('assert', function (data) {
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delete data.diag.at;
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tt.deepEqual(data, {
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ok: false,
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id: 1,
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name: 'Error: Preserve stack',
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diag: {
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stack: stackTrace,
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operator: 'error',
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expected: 'undefined',
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actual: '[Error: Preserve stack]'
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}
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});
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});
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stream.pipe(concat(function (body) {
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var body = body.toString('utf8');
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body = stripAt(body);
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tt.equal(
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body,
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'TAP version 13\n'
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+ '# multiline stack trace\n'
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+ 'not ok 1 Error: Preserve stack\n'
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+ ' ---\n'
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+ ' operator: error\n'
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+ ' expected: |-\n'
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+ ' undefined\n'
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+ ' actual: |-\n'
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+ ' [Error: Preserve stack]\n'
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+ ' stack: |-\n'
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+ ' foo\n'
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+ ' bar\n'
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+ ' ...\n'
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+ '\n'
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+ '1..1\n'
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+ '# tests 1\n'
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+ '# pass 0\n'
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+ '# fail 1\n'
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);
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tt.deepEqual(getDiag(body), {
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stack: stackTrace,
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operator: 'error',
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expected: 'undefined',
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actual: '[Error: Preserve stack]'
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});
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}));
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test('multiline stack trace', function (t) {
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t.plan(1);
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var err = new Error('Preserve stack');
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err.stack = stackTrace;
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t.error(err);
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});
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});
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tap.test('parses function info from original stack', function (tt) {
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tt.plan(4);
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var test = tape.createHarness();
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test.createStream();
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test._results._watch = function (t) {
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t.on('result', function (res) {
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tt.equal('Test.testFunctionNameParsing', res.functionName);
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tt.match(res.file, /stackTrace.js/i);
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tt.ok(Number(res.line) > 0);
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tt.ok(Number(res.column) > 0);
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});
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};
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test('t.equal stack trace', function testFunctionNameParsing(t) {
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t.equal(true, false, 'true should be false');
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t.end();
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});
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});
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tap.test('parses function info from original stack for anonymous function', function (tt) {
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tt.plan(4);
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var test = tape.createHarness();
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test.createStream();
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test._results._watch = function (t) {
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t.on('result', function (res) {
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tt.equal('Test.<anonymous>', res.functionName);
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tt.match(res.file, /stackTrace.js/i);
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tt.ok(Number(res.line) > 0);
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tt.ok(Number(res.column) > 0);
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});
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};
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test('t.equal stack trace', function (t) {
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t.equal(true, false, 'true should be false');
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t.end();
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});
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});
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if (typeof Promise === 'function' && typeof Promise.resolve === 'function') {
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tap.test('parses function info from original stack for Promise scenario', function (tt) {
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tt.plan(4);
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var test = tape.createHarness();
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test.createStream();
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test._results._watch = function (t) {
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t.on('result', function (res) {
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tt.equal('onfulfilled', res.functionName);
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tt.match(res.file, /stackTrace.js/i);
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tt.ok(Number(res.line) > 0);
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tt.ok(Number(res.column) > 0);
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});
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};
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test('t.equal stack trace', function testFunctionNameParsing(t) {
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new Promise(function (resolve) {
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resolve();
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}).then(function onfulfilled() {
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t.equal(true, false, 'true should be false');
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t.end();
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});
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});
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});
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tap.test('parses function info from original stack for Promise scenario with anonymous function', function (tt) {
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tt.plan(4);
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var test = tape.createHarness();
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test.createStream();
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test._results._watch = function (t) {
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t.on('result', function (res) {
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tt.equal('<anonymous>', res.functionName);
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tt.match(res.file, /stackTrace.js/i);
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tt.ok(Number(res.line) > 0);
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tt.ok(Number(res.column) > 0);
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});
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};
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test('t.equal stack trace', function testFunctionNameParsing(t) {
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new Promise(function (resolve) {
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resolve();
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}).then(function () {
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t.equal(true, false, 'true should be false');
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t.end();
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});
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});
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});
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}
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tap.test('preserves stack trace for failed assertions', function (tt) {
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tt.plan(6);
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var test = tape.createHarness();
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var stream = test.createStream();
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var parser = stream.pipe(tapParser());
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var stack = '';
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parser.once('assert', function (data) {
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tt.equal(typeof data.diag.at, 'string');
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tt.equal(typeof data.diag.stack, 'string');
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at = data.diag.at || '';
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stack = data.diag.stack || '';
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tt.ok(/^Error: true should be false(\n at .+)+/.exec(stack), 'stack should be a stack');
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tt.deepEqual(data, {
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ok: false,
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id: 1,
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name: 'true should be false',
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diag: {
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at: at,
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stack: stack,
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operator: 'equal',
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expected: false,
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actual: true
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}
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});
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});
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stream.pipe(concat(function (body) {
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var body = body.toString('utf8');
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body = stripAt(body);
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tt.equal(
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body,
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'TAP version 13\n'
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+ '# t.equal stack trace\n'
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+ 'not ok 1 true should be false\n'
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+ ' ---\n'
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+ ' operator: equal\n'
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+ ' expected: false\n'
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+ ' actual: true\n'
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+ ' stack: |-\n'
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+ ' '
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+ stack.replace(/\n/g, '\n ') + '\n'
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+ ' ...\n'
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+ '\n'
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+ '1..1\n'
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+ '# tests 1\n'
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+ '# pass 0\n'
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+ '# fail 1\n'
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);
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tt.deepEqual(getDiag(body), {
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stack: stack,
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operator: 'equal',
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expected: false,
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actual: true
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});
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}));
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test('t.equal stack trace', function (t) {
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t.plan(1);
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t.equal(true, false, 'true should be false');
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});
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});
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tap.test('preserves stack trace for failed assertions where actual===falsy', function (tt) {
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tt.plan(6);
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var test = tape.createHarness();
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var stream = test.createStream();
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var parser = stream.pipe(tapParser());
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var stack = '';
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parser.once('assert', function (data) {
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tt.equal(typeof data.diag.at, 'string');
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tt.equal(typeof data.diag.stack, 'string');
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at = data.diag.at || '';
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stack = data.diag.stack || '';
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tt.ok(/^Error: false should be true(\n at .+)+/.exec(stack), 'stack should be a stack');
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tt.deepEqual(data, {
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ok: false,
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id: 1,
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name: 'false should be true',
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diag: {
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at: at,
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stack: stack,
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operator: 'equal',
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expected: true,
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actual: false
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}
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});
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});
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stream.pipe(concat(function (body) {
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var body = body.toString('utf8');
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body = stripAt(body);
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tt.equal(
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body,
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'TAP version 13\n'
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+ '# t.equal stack trace\n'
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+ 'not ok 1 false should be true\n'
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+ ' ---\n'
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+ ' operator: equal\n'
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+ ' expected: true\n'
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+ ' actual: false\n'
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+ ' stack: |-\n'
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+ ' '
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+ stack.replace(/\n/g, '\n ') + '\n'
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+ ' ...\n'
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+ '\n'
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+ '1..1\n'
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+ '# tests 1\n'
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+ '# pass 0\n'
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+ '# fail 1\n'
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);
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tt.deepEqual(getDiag(body), {
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stack: stack,
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operator: 'equal',
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expected: true,
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actual: false
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});
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}));
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test('t.equal stack trace', function (t) {
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t.plan(1);
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t.equal(false, true, 'false should be true');
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});
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});
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function getDiag(body) {
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var yamlStart = body.indexOf(' ---');
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var yamlEnd = body.indexOf(' ...\n');
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var diag = body.slice(yamlStart, yamlEnd).split('\n').map(function (line) {
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return line.slice(2);
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}).join('\n');
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// Get rid of 'at' variable (which has a line number / path of its own that's
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// difficult to check).
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var withStack = yaml.safeLoad(diag);
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delete withStack.at;
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return withStack;
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}
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function stripAt(body) {
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return body.replace(/^\s*at:\s+Test.*$\n/m, '');
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}
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