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-rw-r--r--test/data-validators.js277
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diff --git a/test/data-validators.js b/test/data-validators.js
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--- a/test/data-validators.js
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-import _test from 'tape';
-import { showAggregate } from '../src/util/sugar.js';
-
-import {
-  // Basic types
-  isBoolean,
-  isCountingNumber,
-  isNumber,
-  isString,
-  isStringNonEmpty,
-
-  // Complex types
-  isArray,
-  isObject,
-  validateArrayItems,
-
-  // Wiki data
-  isDimensions,
-  isDirectory,
-  isDuration,
-  isFileExtension,
-  validateReference,
-  validateReferenceList,
-
-  // Compositional utilities
-  oneOf,
-} from '../src/data/validators.js';
-
-function test(msg, fn) {
-  _test(msg, t => {
-    try {
-      fn(t);
-    } catch (error) {
-      if (error instanceof AggregateError) {
-        showAggregate(error);
-      }
-      throw error;
-    }
-  });
-}
-
-test.skip = _test.skip;
-
-// Basic types
-
-test('isBoolean', t => {
-  t.plan(4);
-  t.ok(isBoolean(true));
-  t.ok(isBoolean(false));
-  t.throws(() => isBoolean(1), TypeError);
-  t.throws(() => isBoolean('yes'), TypeError);
-});
-
-test('isNumber', t => {
-  t.plan(6);
-  t.ok(isNumber(123));
-  t.ok(isNumber(0.05));
-  t.ok(isNumber(0));
-  t.ok(isNumber(-10));
-  t.throws(() => isNumber('413'), TypeError);
-  t.throws(() => isNumber(true), TypeError);
-});
-
-test('isCountingNumber', t => {
-  t.plan(6);
-  t.ok(isCountingNumber(3));
-  t.ok(isCountingNumber(1));
-  t.throws(() => isCountingNumber(1.75), TypeError);
-  t.throws(() => isCountingNumber(0), TypeError);
-  t.throws(() => isCountingNumber(-1), TypeError);
-  t.throws(() => isCountingNumber('612'), TypeError);
-});
-
-test('isString', t => {
-  t.plan(3);
-  t.ok(isString('hello!'));
-  t.ok(isString(''));
-  t.throws(() => isString(100), TypeError);
-});
-
-test('isStringNonEmpty', t => {
-  t.plan(4);
-  t.ok(isStringNonEmpty('hello!'));
-  t.throws(() => isStringNonEmpty(''), TypeError);
-  t.throws(() => isStringNonEmpty('     '), TypeError);
-  t.throws(() => isStringNonEmpty(100), TypeError);
-});
-
-// Complex types
-
-test('isArray', t => {
-  t.plan(3);
-  t.ok(isArray([]));
-  t.throws(() => isArray({}), TypeError);
-  t.throws(() => isArray('1, 2, 3'), TypeError);
-});
-
-test.skip('isDate', t => {
-  // TODO
-});
-
-test('isObject', t => {
-  t.plan(3);
-  t.ok(isObject({}));
-  t.ok(isObject([]));
-  t.throws(() => isObject(null), TypeError);
-});
-
-test('validateArrayItems', t => {
-  t.plan(6);
-
-  t.ok(validateArrayItems(isNumber)([3, 4, 5]));
-  t.ok(validateArrayItems(validateArrayItems(isNumber))([[3, 4], [4, 5], [6, 7]]));
-
-  let caughtError = null;
-  try {
-    validateArrayItems(isNumber)([10, 20, 'one hundred million consorts', 30]);
-  } catch (err) {
-    caughtError = err;
-  }
-
-  t.isNot(caughtError, null);
-  t.true(caughtError instanceof AggregateError);
-  t.is(caughtError.errors.length, 1);
-  t.true(caughtError.errors[0] instanceof TypeError);
-});
-
-// Wiki data
-
-test.skip('isColor', t => {
-  // TODO
-});
-
-test.skip('isCommentary', t => {
-  // TODO
-});
-
-test.skip('isContribution', t => {
-  // TODO
-});
-
-test.skip('isContributionList', t => {
-  // TODO
-});
-
-test('isDimensions', t => {
-  t.plan(6);
-  t.ok(isDimensions([1, 1]));
-  t.ok(isDimensions([50, 50]));
-  t.ok(isDimensions([5000, 1]));
-  t.throws(() => isDimensions([1]), TypeError);
-  t.throws(() => isDimensions([413, 612, 1025]), TypeError);
-  t.throws(() => isDimensions('800x200'), TypeError);
-});
-
-test('isDirectory', t => {
-  t.plan(6);
-  t.ok(isDirectory('savior-of-the-waking-world'));
-  t.ok(isDirectory('MeGaLoVania'));
-  t.ok(isDirectory('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_'));
-  t.throws(() => isDirectory(123), TypeError);
-  t.throws(() => isDirectory(''), TypeError);
-  t.throws(() => isDirectory('troll saint nicholas and the quest for the holy pail'), TypeError);
-});
-
-test('isDuration', t => {
-  t.plan(5);
-  t.ok(isDuration(60));
-  t.ok(isDuration(0.02));
-  t.ok(isDuration(0));
-  t.throws(() => isDuration(-1), TypeError);
-  t.throws(() => isDuration('10:25'), TypeError);
-});
-
-test('isFileExtension', t => {
-  t.plan(6);
-  t.ok(isFileExtension('png'));
-  t.ok(isFileExtension('jpg'));
-  t.ok(isFileExtension('sub_loc'));
-  t.throws(() => isFileExtension(''), TypeError);
-  t.throws(() => isFileExtension('.jpg'), TypeError);
-  t.throws(() => isFileExtension('just an image bro!!!!'), TypeError);
-});
-
-test.skip('isName', t => {
-  // TODO
-});
-
-test.skip('isURL', t => {
-  // TODO
-});
-
-test('validateReference', t => {
-  t.plan(16);
-
-  const typeless = validateReference();
-  const track = validateReference('track');
-  const album = validateReference('album');
-
-  t.ok(track('track:doctor'));
-  t.ok(track('track:MeGaLoVania'));
-  t.ok(track('Showtime (Imp Strife Mix)'));
-  t.throws(() => track('track:troll saint nic'), TypeError);
-  t.throws(() => track('track:'), TypeError);
-  t.throws(() => track('album:homestuck-vol-1'), TypeError);
-
-  t.ok(album('album:sburb'));
-  t.ok(album('album:the-wanderers'));
-  t.ok(album('Homestuck Vol. 8'));
-  t.throws(() => album('album:Hiveswap Friendsim'), TypeError);
-  t.throws(() => album('album:'), TypeError);
-  t.throws(() => album('track:showtime-piano-refrain'), TypeError);
-
-  t.ok(typeless('Hopes and Dreams'));
-  t.ok(typeless('track:snowdin-town'));
-  t.throws(() => typeless(''), TypeError);
-  t.throws(() => typeless('album:undertale-soundtrack'));
-});
-
-test('validateReferenceList', t => {
-  const track = validateReferenceList('track');
-  const artist = validateReferenceList('artist');
-
-  t.plan(9);
-
-  t.ok(track(['track:fallen-down', 'Once Upon a Time']));
-  t.ok(artist(['artist:toby-fox', 'Mark Hadley']));
-  t.ok(track(['track:amalgam']));
-  t.ok(track([]));
-
-  let caughtError = null;
-  try {
-    track(['Dog', 'album:vaporwave-2016', 'Cat', 'artist:john-madden']);
-  } catch (err) {
-    caughtError = err;
-  }
-
-  t.isNot(caughtError, null);
-  t.true(caughtError instanceof AggregateError);
-  t.is(caughtError.errors.length, 2);
-  t.true(caughtError.errors[0] instanceof TypeError);
-  t.true(caughtError.errors[1] instanceof TypeError);
-});
-
-test('oneOf', t => {
-  t.plan(11);
-
-  const isStringOrNumber = oneOf(isString, isNumber);
-
-  t.ok(isStringOrNumber('hello world'));
-  t.ok(isStringOrNumber(42));
-  t.throws(() => isStringOrNumber(false));
-
-  const mockError = new Error();
-  const neverSucceeds = () => {
-    throw mockError;
-  };
-
-  const isStringOrGetRekt = oneOf(isString, neverSucceeds);
-
-  t.ok(isStringOrGetRekt('phew!'));
-
-  let caughtError = null;
-  try {
-    isStringOrGetRekt(0xdeadbeef);
-  } catch (err) {
-    caughtError = err;
-  }
-
-  t.isNot(caughtError, null);
-  t.true(caughtError instanceof AggregateError);
-  t.is(caughtError.errors.length, 2);
-  t.true(caughtError.errors[0] instanceof TypeError);
-  t.is(caughtError.errors[0].check, isString);
-  t.is(caughtError.errors[1], mockError);
-  t.is(caughtError.errors[1].check, neverSucceeds);
-});