[New] allow TODO tests to be "ok" with env var TODO_IS_OK

Author: ljharb

index.js

@@ -67,7 +67,7 @@ module.exports = (function () {
 }());
 
 function createHarness(conf_) {
-	var results = new Results();
+	var results = new Results({ todoIsOK: !!(process.env.TODO_IS_OK === '1') });
 	if (!conf_ || conf_.autoclose !== false) {
 		results.once('done', function () { results.close(); });
 	}

lib/results.js

@@ -41,9 +41,9 @@ function invalidYaml(str) {
 	return $exec(yamlIndicators, str) !== null;
 }
 
-function encodeResult(res, count) {
+function encodeResult(res, count, todoIsOK) {
 	var output = '';
-	output += (res.ok ? 'ok ' : 'not ok ') + count;
+	output += (res.ok || (todoIsOK && res.todo) ? 'ok ' : 'not ok ') + count;
 	output += res.name ? ' ' + coalesceWhiteSpaces(res.name) : '';
 
 	if (res.skip) {
@@ -91,8 +91,9 @@ function encodeResult(res, count) {
 	return output;
 }
 
-function Results() {
-	if (!(this instanceof Results)) { return new Results(); }
+function Results(options) {
+	if (!(this instanceof Results)) { return new Results(options); }
+	var opts = (arguments.length > 0 ? arguments[0] : options) || {};
 	this.count = 0;
 	this.fail = 0;
 	this.pass = 0;
@@ -101,6 +102,7 @@ function Results() {
 	this.tests = [];
 	this._only = null;
 	this._isRunning = false;
+	this.todoIsOK = !!opts.todoIsOK;
 }
 
 inherits(Results, EventEmitter);
@@ -197,7 +199,7 @@ Results.prototype._watch = function (t) {
 			write('# ' + res + '\n');
 			return;
 		}
-		write(encodeResult(res, self.count + 1));
+		write(encodeResult(res, self.count + 1, self.todoIsOK));
 		self.count++;
 
 		if (res.ok || res.todo) {

test/todo.js

@@ -3,6 +3,7 @@
 var tap = require('tap');
 var tape = require('../');
 var concat = require('concat-stream');
+var mockProperty = require('mock-property');
 
 var common = require('./common');
 var stripFullStack = common.stripFullStack;
@@ -42,3 +43,40 @@ tap.test('tape todo test', function (assert) {
 		t.end();
 	});
 });
+
+tap.test('tape todo test with TODO_IS_OK', function (assert) {
+	assert.teardown(mockProperty(process.env, 'TODO_IS_OK', { value: '1' }));
+	var test = tape.createHarness({ exit: false });
+	assert.plan(1);
+
+	test.createStream().pipe(concat(function (body) {
+		assert.deepEqual(stripFullStack(body.toString('utf8')), [
+			'TAP version 13',
+			'# success',
+			'ok 1 this test runs',
+			'# TODO failure',
+			'ok 2 should never happen # TODO',
+			'  ---',
+			'    operator: fail',
+			'    at: Test.<anonymous> ($TEST/todo.js:$LINE:$COL)',
+			'  ...',
+			'',
+			'1..2',
+			'# tests 2',
+			'# pass  2',
+			'',
+			'# ok',
+			''
+		]);
+	}));
+
+	test('success', function (t) {
+		t.equal(true, true, 'this test runs');
+		t.end();
+	});
+
+	test('failure', { todo: true }, function (t) {
+		t.fail('should never happen');
+		t.end();
+	});
+});