From cc3b58e632f9f5344bcc3e9637ab1c019e5d2d37 Mon Sep 17 00:00:00 2001 From: Nicola Girardi Date: Sun, 27 Dec 2015 14:06:55 +0100 Subject: [PATCH] Exploratory comments to ascertain current behavior Since there were no tests for t.comment(), which I'm going to modify, I want to make sure of what the current behaviour is, to ensure I don't change more than I need to. --- test/comment.js | 141 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 141 insertions(+) create mode 100644 test/comment.js diff --git a/test/comment.js b/test/comment.js new file mode 100644 index 00000000..7cfcf02b --- /dev/null +++ b/test/comment.js @@ -0,0 +1,141 @@ +var concat = require('concat-stream'); +var tap = require('tap'); +var tape = require('../'); + +// Exploratory test to ascertain proper output when no t.comment() call +// is made. +tap.test('no comment', function (assert) { + assert.plan(1); + + var verify = function (output) { + assert.equal(output.toString('utf8'), [ + 'TAP version 13', + '# no comment', + '', + '1..0', + '# tests 0', + '# pass 0', + '', + '# ok', + '' + ].join('\n')); + }; + + var test = tape.createHarness(); + test.createStream().pipe(concat(verify)); + test('no comment', function (t) { + t.end(); + }); +}); + +// Exploratory test, can we call t.comment() passing nothing? +tap.test('missing argument', function (assert) { + assert.plan(2); + var test = tape.createHarness(); + test.createStream(); + test('missing argument', function (t) { + try { + t.comment(); + t.end(); + } catch (err) { + assert.equal(err.constructor, TypeError); + assert.equal(err.message, 'Cannot call method on undefined'); + } finally { + assert.end(); + } + }); +}); + +// Exploratory test, can we call t.comment() passing nothing? +tap.test('null argument', function (assert) { + assert.plan(2); + var test = tape.createHarness(); + test.createStream(); + test('null argument', function (t) { + try { + t.comment(null); + t.end(); + } catch (err) { + assert.equal(err.constructor, TypeError); + assert.equal(err.message, 'Cannot call method on null'); + } finally { + assert.end(); + } + }); +}); + + +// Exploratory test, how is whitespace treated? +tap.test('whitespace', function (assert) { + assert.plan(1); + + var verify = function (output) { + assert.equal(output.toString('utf8'), [ + 'TAP version 13', + '# whitespace', + '# ', + '# a', + '# a', + '# a', + '', + '1..0', + '# tests 0', + '# pass 0', + '', + '# ok', + '' + ].join('\n')); + }; + + var test = tape.createHarness(); + test.createStream().pipe(concat(verify)); + test('whitespace', function (t) { + t.comment(' '); + t.comment(' a'); + t.comment('a '); + t.comment(' a '); + t.end(); + }); +}); + +// Exploratory test, how about passing types other than strings? +tap.test('non-string types', function (assert) { + assert.plan(1); + + var verify = function (output) { + assert.equal(output.toString('utf8'), [ + 'TAP version 13', + '# non-string types', + '# true', + '# false', + '# 42', + '# 6.66', + '# [object Object]', + '# [object Object]', + '# [object Object]', + '# function ConstructorFunction() {}', + '', + '1..0', + '# tests 0', + '# pass 0', + '', + '# ok', + '' + ].join('\n')); + }; + + var test = tape.createHarness(); + test.createStream().pipe(concat(verify)); + test('non-string types', function (t) { + t.comment(true); + t.comment(false); + t.comment(42); + t.comment(6.66); + t.comment({}); + t.comment({"answer": 42}); + function ConstructorFunction() {} + t.comment(new ConstructorFunction()); + t.comment(ConstructorFunction); + t.end(); + }); +});