Added some tests

snippets/bindAll.md

@@ -6,8 +6,8 @@ Use `Array.forEach()` to return a `function` that uses `Function.apply()` to app
 const bindAll = (obj, ...fns) =>
   fns.forEach(
     fn =>
-      (obj[fn] = function() {
-        return fn.apply(obj);
+      (f = obj[fn], obj[fn] = function() {
+        return f.apply(obj);
       })
   );
 ```

test/anagrams/anagrams.test.js

@@ -6,6 +6,8 @@ test('Testing anagrams', (t) => {
   //Please go to https://github.com/substack/tape
   t.true(typeof anagrams === 'function', 'anagrams is a Function');
   t.deepEqual(anagrams('abc'), ['abc','acb','bac','bca','cab','cba'], "Generates all anagrams of a string");
+  t.deepEqual(anagrams('a'), ['a'], "Works for single-letter strings");
+  t.deepEqual(anagrams(''), [''], "Works for empty strings");
   //t.deepEqual(anagrams(args..), 'Expected');
   //t.equal(anagrams(args..), 'Expected');
   //t.false(anagrams(args..), 'Expected');

test/ary/ary.test.js

@@ -5,6 +5,8 @@ test('Testing ary', (t) => {
   //For more information on all the methods supported by tape
   //Please go to https://github.com/substack/tape
   t.true(typeof ary === 'function', 'ary is a Function');
+  const firstTwoMax = ary(Math.max, 2);
+  t.deepEquals([[2, 6, 'a'], [8, 4, 6], [10]].map(x => firstTwoMax(...x)), [6, 8, 10], 'Discards arguments with index >=n')
   //t.deepEqual(ary(args..), 'Expected');
   //t.equal(ary(args..), 'Expected');
   //t.false(ary(args..), 'Expected');

test/attempt/attempt.js

@@ -0,0 +1,8 @@
+const attempt = (fn, ...args) => {
+try {
+return fn(args);
+} catch (e) {
+return e instanceof Error ? e : new Error(e);
+}
+};
+module.exports = attempt

test/attempt/attempt.test.js

@@ -0,0 +1,15 @@
+const test = require('tape');
+const attempt = require('./attempt.js');
+
+test('Testing attempt', (t) => {
+  //For more information on all the methods supported by tape
+  //Please go to https://github.com/substack/tape
+  t.true(typeof attempt === 'function', 'attempt is a Function');
+  t.equals(attempt(() => 0), 0, 'Returns a value');
+  t.true(attempt(() => {throw new Error()}) instanceof Error, 'Returns an error');
+  //t.deepEqual(attempt(args..), 'Expected');
+  //t.equal(attempt(args..), 'Expected');
+  //t.false(attempt(args..), 'Expected');
+  //t.throws(attempt(args..), 'Expected');
+  t.end();
+});

test/bind/bind.test.js

@@ -5,6 +5,12 @@ test('Testing bind', (t) => {
   //For more information on all the methods supported by tape
   //Please go to https://github.com/substack/tape
   t.true(typeof bind === 'function', 'bind is a Function');
+  function greet(greeting, punctuation) {
+    return greeting + ' ' + this.user + punctuation;
+  }
+  const freddy = { user: 'fred' };
+  const freddyBound = bind(greet, freddy);
+  t.equals(freddyBound('hi', '!'),'hi fred!', 'Binds to an object context');
   //t.deepEqual(bind(args..), 'Expected');
   //t.equal(bind(args..), 'Expected');
   //t.false(bind(args..), 'Expected');

test/bindAll/bindAll.js

@@ -1,8 +1,8 @@
 const bindAll = (obj, ...fns) =>
 fns.forEach(
 fn =>
-(obj[fn] = function() {
-return fn.apply(obj);
+(f = obj[fn], obj[fn] = function() {
+return f.apply(obj);
 })
 );
 module.exports = bindAll

test/bindAll/bindAll.test.js

@@ -5,6 +5,14 @@ test('Testing bindAll', (t) => {
   //For more information on all the methods supported by tape
   //Please go to https://github.com/substack/tape
   t.true(typeof bindAll === 'function', 'bindAll is a Function');
+  var view = {
+    label: 'docs',
+    'click': function() {
+      return 'clicked ' + this.label;
+    }
+  }
+  bindAll(view, 'click');
+  t.equal(view.click(), 'clicked docs', 'Binds to an object context')
   //t.deepEqual(bindAll(args..), 'Expected');
   //t.equal(bindAll(args..), 'Expected');
   //t.false(bindAll(args..), 'Expected');

test/bindKey/bindKey.test.js

@@ -5,6 +5,14 @@ test('Testing bindKey', (t) => {
   //For more information on all the methods supported by tape
   //Please go to https://github.com/substack/tape
   t.true(typeof bindKey === 'function', 'bindKey is a Function');
+  const freddy = {
+    user: 'fred',
+    greet: function(greeting, punctuation) {
+      return greeting + ' ' + this.user + punctuation;
+    }
+  };
+  const freddyBound = bindKey(freddy, 'greet');
+  t.equal(freddyBound('hi', '!'), 'hi fred!', 'Binds function to an object context');
   //t.deepEqual(bindKey(args..), 'Expected');
   //t.equal(bindKey(args..), 'Expected');
   //t.false(bindKey(args..), 'Expected');

test/byteSize/byteSize.test.js

@@ -5,6 +5,9 @@ test('Testing byteSize', (t) => {
   //For more information on all the methods supported by tape
   //Please go to https://github.com/substack/tape
   t.true(typeof byteSize === 'function', 'byteSize is a Function');
+  // Blob is not part of Node apparently?
+  //t.equal(byteSize('Hello World'), 11, 'Works for text');
+  //t.equal(byteSize('😀'), 4, 'Works for emojis');
   // Works only in browser
   // t.equal(byteSize('Hello World'), 11, "Returns the length of a string in bytes");
   //t.deepEqual(byteSize(args..), 'Expected');

test/debounce/debounce.js

@@ -0,0 +1,10 @@
+const debounce = (fn, wait = 0) => {
+let inDebounce;
+return function() {
+const context = this,
+args = arguments;
+clearTimeout(inDebounce);
+inDebounce = setTimeout(() => fn.apply(context, args), wait);
+};
+};
+module.exports = debounce

test/debounce/debounce.test.js

@@ -0,0 +1,13 @@
+const test = require('tape');
+const debounce = require('./debounce.js');
+
+test('Testing debounce', (t) => {
+  //For more information on all the methods supported by tape
+  //Please go to https://github.com/substack/tape
+  t.true(typeof debounce === 'function', 'debounce is a Function');
+  //t.deepEqual(debounce(args..), 'Expected');
+  //t.equal(debounce(args..), 'Expected');
+  //t.false(debounce(args..), 'Expected');
+  //t.throws(debounce(args..), 'Expected');
+  t.end();
+});

test/overArgs/overArgs.js

@@ -0,0 +1,2 @@
+const overArgs = (fn, transforms) => (...args) => fn(...args.map((val, i) => transforms[i](val)));
+module.exports = overArgs

test/overArgs/overArgs.test.js

@@ -0,0 +1,13 @@
+const test = require('tape');
+const overArgs = require('./overArgs.js');
+
+test('Testing overArgs', (t) => {
+  //For more information on all the methods supported by tape
+  //Please go to https://github.com/substack/tape
+  t.true(typeof overArgs === 'function', 'overArgs is a Function');
+  //t.deepEqual(overArgs(args..), 'Expected');
+  //t.equal(overArgs(args..), 'Expected');
+  //t.false(overArgs(args..), 'Expected');
+  //t.throws(overArgs(args..), 'Expected');
+  t.end();
+});

test/rearg/rearg.js

@@ -0,0 +1,8 @@
+const rearg = (fn, indexes) => (...args) =>
+fn(
+...args.reduce(
+(acc, val, i) => ((acc[indexes.indexOf(i)] = val), acc),
+Array.from({ length: indexes.length })
+)
+);
+module.exports = rearg

test/rearg/rearg.test.js

@@ -0,0 +1,13 @@
+const test = require('tape');
+const rearg = require('./rearg.js');
+
+test('Testing rearg', (t) => {
+  //For more information on all the methods supported by tape
+  //Please go to https://github.com/substack/tape
+  t.true(typeof rearg === 'function', 'rearg is a Function');
+  //t.deepEqual(rearg(args..), 'Expected');
+  //t.equal(rearg(args..), 'Expected');
+  //t.false(rearg(args..), 'Expected');
+  //t.throws(rearg(args..), 'Expected');
+  t.end();
+});

test/testlog

@@ -1,4 +1,4 @@
-Test log for: Sun Jan 28 2018 14:28:04 GMT+0200 (GTB Standard Time)
+Test log for: Sun Jan 28 2018 16:28:45 GMT+0200 (GTB Standard Time)
 
 > 30-seconds-of-code@0.0.1 test G:\My Files\git Repositories\30-seconds-of-code
 > tape test/**/*.test.js | tap-spec
@@ -8,6 +8,8 @@ Test log for: Sun Jan 28 2018 14:28:04 GMT+0200 (GTB Standard Time)
 
     √ anagrams is a Function
     √ Generates all anagrams of a string
+    √ Works for single-letter strings
+    √ Works for empty strings
 
   Testing arrayToHtmlList
 
@@ -17,6 +19,7 @@ Test log for: Sun Jan 28 2018 14:28:04 GMT+0200 (GTB Standard Time)
   Testing ary
 
     √ ary is a Function
+    √ Discards arguments with index >=n
 
   Testing atob
 
@@ -24,6 +27,12 @@ Test log for: Sun Jan 28 2018 14:28:04 GMT+0200 (GTB Standard Time)
     √ atob("Zm9vYmFy") equals "foobar"
     √ atob("Z") returns ""
 
+  Testing attempt
+
+    √ attempt is a Function
+    √ Returns a value
+    √ Returns an error
+
   Testing average
 
     √ average is a Function
@@ -52,14 +61,17 @@ Test log for: Sun Jan 28 2018 14:28:04 GMT+0200 (GTB Standard Time)
   Testing bind
 
     √ bind is a Function
+    √ Binds to an object context
 
   Testing bindAll
 
     √ bindAll is a Function
+    √ Binds to an object context
 
   Testing bindKey
 
     √ bindKey is a Function
+    √ Binds function to an object context
 
   Testing bottomVisible
 
@@ -202,6 +214,10 @@ Test log for: Sun Jan 28 2018 14:28:04 GMT+0200 (GTB Standard Time)
     √ curries a Math.pow
     √ curries a Math.min
 
+  Testing debounce
+
+    √ debounce is a Function
+
   Testing decapitalize
 
     √ decapitalize is a Function
@@ -959,6 +975,10 @@ Test log for: Sun Jan 28 2018 14:28:04 GMT+0200 (GTB Standard Time)
 
     √ over is a Function
 
+  Testing overArgs
+
+    √ overArgs is a Function
+
   Testing palindrome
 
     √ palindrome is a Function
@@ -1082,6 +1102,10 @@ Test log for: Sun Jan 28 2018 14:28:04 GMT+0200 (GTB Standard Time)
 
     √ README is a Function
 
+  Testing rearg
+
+    √ rearg is a Function
+
   Testing redirect
 
     √ redirect is a Function
@@ -1125,7 +1149,16 @@ Test log for: Sun Jan 28 2018 14:28:04 GMT+0200 (GTB Standard Time)
   Testing round
 
     √ round is a Function
-    √ Rounds a number to a specified amount of digits.
+    √ round(1.005, 2) returns 1.01
+    √ round(123.3423345345345345344, 11) returns 123.34233453453
+    √ round(3.342, 11) returns 3.342
+    √ round(1.005) returns 1
+    √ round([1.005, 2]) returns NaN
+    √ round(string) returns NaN
+    √ round() returns NaN
+    √ round(132, 413, 4134) returns NaN
+    √ round({a: 132}, 413) returns NaN
+    √ round(123.3423345345345345344, 11) takes less than 2s to run
 
   Testing runAsync
 
@@ -1295,6 +1328,10 @@ Test log for: Sun Jan 28 2018 14:28:04 GMT+0200 (GTB Standard Time)
 
     √ takeWhile is a Function
 
+  Testing throttle
+
+    √ throttle is a Function
+
   Testing times
 
     √ times is a Function
@@ -1306,10 +1343,15 @@ Test log for: Sun Jan 28 2018 14:28:04 GMT+0200 (GTB Standard Time)
   Testing toCamelCase
 
     √ toCamelCase is a Function
-    √ Converts a string to camelCase
-    √ Converts a string to camelCase
-    √ Converts a string to camelCase
-    √ Converts a string to camelCase
+    √ toCamelCase('some_database_field_name') returns someDatabaseFieldName
+    √ toCamelCase('Some label that needs to be camelized') returns someLabelThatNeedsToBeCamelized
+    √ toCamelCase('some-javascript-property') return someJavascriptProperty
+    √ toCamelCase('some-mixed_string with spaces_underscores-and-hyphens') returns someMixedStringWithSpacesUnderscoresAndHyphens
+    √ toCamelCase() throws a error
+    √ toCamelCase([]) throws a error
+    √ toCamelCase({}) throws a error
+    √ toCamelCase(123) throws a error
+    √ toCamelCase(some-mixed_string with spaces_underscores-and-hyphens) takes less than 2s to run
 
   Testing toDecimalMark
 
@@ -1323,10 +1365,15 @@ Test log for: Sun Jan 28 2018 14:28:04 GMT+0200 (GTB Standard Time)
   Testing toKebabCase
 
     √ toKebabCase is a Function
-    √ string converts to snake case
-    √ string converts to snake case
-    √ string converts to snake case
-    √ string converts to snake case
+    √ toKebabCase('camelCase') returns camel-case
+    √ toKebabCase('some text') returns some-text
+    √ toKebabCase('some-mixed-string With spaces-underscores-and-hyphens') returns some-mixed-string-with-spaces-underscores-and-hyphens
+    √ toKebabCase('IAmListeningToFMWhileLoadingDifferentURLOnMyBrowserAndAlsoEditingSomeXMLAndHTML') returns i-am-listening-to-fm-while-loading-different-url-on-my-browser-and-also-editing-some-xml-and-html
+    √ toKebabCase() return undefined
+    √ toKebabCase([]) throws an error
+    √ toKebabCase({}) throws an error
+    √ toKebabCase(123) throws an error
+    √ toKebabCase(IAmListeningToFMWhileLoadingDifferentURLOnMyBrowserAndAlsoEditingSomeXMLAndHTML) takes less than 2s to run
 
   Testing tomorrow
 
@@ -1343,19 +1390,30 @@ Test log for: Sun Jan 28 2018 14:28:04 GMT+0200 (GTB Standard Time)
   Testing toSafeInteger
 
     √ toSafeInteger is a Function
+    √ Number(toSafeInteger(3.2)) is a number
     √ Converts a value to a safe integer
-    √ Converts a value to a safe integer
-    √ Converts a value to a safe integer
-    √ Converts a value to a safe integer
-    √ Converts a value to a safe integer
+    √ toSafeInteger('4.2') returns 4
+    √ toSafeInteger(4.6) returns 5
+    √ toSafeInteger([]) returns 0
+    √ isNaN(toSafeInteger([1.5, 3124])) is true
+    √ isNaN(toSafeInteger('string')) is true
+    √ isNaN(toSafeInteger({})) is true
+    √ isNaN(toSafeInteger()) is true
+    √ toSafeInteger(Infinity) returns 9007199254740991
+    √ toSafeInteger(3.2) takes less than 2s to run
 
   Testing toSnakeCase
 
     √ toSnakeCase is a Function
-    √ string converts to snake case
-    √ string converts to snake case
-    √ string converts to snake case
-    √ string converts to snake case
+    √ toSnakeCase('camelCase') returns camel_case
+    √ toSnakeCase('some text') returns some_text
+    √ toSnakeCase('some-mixed_string With spaces_underscores-and-hyphens') returns some_mixed_string_with_spaces_underscores_and_hyphens
+    √ toSnakeCase('IAmListeningToFMWhileLoadingDifferentURLOnMyBrowserAndAlsoEditingSomeXMLAndHTML') returns i_am_listening_to_fm_while_loading_different_url_on_my_browser_and_also_editing_some_xml_and_html
+    √ toSnakeCase() returns undefined
+    √ toSnakeCase([]) throws an error
+    √ toSnakeCase({}) throws an error
+    √ toSnakeCase(123) throws an error
+    √ toSnakeCase(IAmListeningToFMWhileLoadingDifferentURLOnMyBrowserAndAlsoEditingSomeXMLAndHTML) takes less than 2s to run
 
   Testing transform
 
@@ -1387,7 +1445,17 @@ Test log for: Sun Jan 28 2018 14:28:04 GMT+0200 (GTB Standard Time)
   Testing union
 
     √ union is a Function
-    √ Returns every element that exists in any of the two arrays once
+    √ union([1, 2, 3], [4, 3, 2]) returns [1, 2, 3, 4]
+    √ union('str', 'asd') returns [ 's', 't', 'r', 'a', 'd' ]
+    √ union([[], {}], [1, 2, 3]) returns [[], {}, 1, 2, 3]
+    √ union([], []) returns []
+    √ union() throws an error
+    √ union(true, str) throws an error
+    √ union(false, true) throws an error
+    √ union(123, {}) throws an error
+    √ union([], {}) throws an error
+    √ union(undefined, null) throws an error
+    √ union([1, 2, 3], [4, 3, 2]) takes less than 2s to run
 
   Testing unionBy
 
@@ -1400,7 +1468,18 @@ Test log for: Sun Jan 28 2018 14:28:04 GMT+0200 (GTB Standard Time)
   Testing uniqueElements
 
     √ uniqueElements is a Function
-    √ Returns all unique values of an array
+    √ uniqueElements([1, 2, 2, 3, 4, 4, 5]) returns [1,2,3,4,5]
+    √ uniqueElements([1, 23, 53]) returns [1, 23, 53]
+    √ uniqueElements([true, 0, 1, false, false, undefined, null, '']) returns [true, 0, 1, false, false, undefined, null, '']
+    √ uniqueElements() returns []
+    √ uniqueElements(null) returns []
+    √ uniqueElements(undefined) returns []
+    √ uniqueElements('strt') returns ['s', 't', 'r']
+    √ uniqueElements(1, 1, 2543, 534, 5) throws an error
+    √ uniqueElements({}) throws an error
+    √ uniqueElements(true) throws an error
+    √ uniqueElements(false) throws an error
+    √ uniqueElements([true, 0, 1, false, false, undefined, null]) takes less than 2s to run
 
   Testing untildify
 
@@ -1524,8 +1603,8 @@ Test log for: Sun Jan 28 2018 14:28:04 GMT+0200 (GTB Standard Time)
     √ zipWith is a Function
 
 
-  total:     652
-  passing:   652
-  duration:  1.7s
+  total:     716
+  passing:   716
+  duration:  1.1s
 
 

test/throttle/throttle.js

@@ -0,0 +1,21 @@
+const throttle = (fn, wait) => {
+let inThrottle, lastFn, lastTime;
+return function() {
+const context = this,
+args = arguments;
+if (!inThrottle) {
+fn.apply(context, args);
+lastTime = Date.now();
+inThrottle = true;
+} else {
+clearTimeout(lastFn);
+lastFn = setTimeout(function() {
+if (Date.now() - lastTime >= wait) {
+fn.apply(context, args);
+lastTime = Date.now();
+}
+}, wait - (Date.now() - lastTime));
+}
+};
+};
+module.exports = throttle

test/throttle/throttle.test.js

@@ -0,0 +1,13 @@
+const test = require('tape');
+const throttle = require('./throttle.js');
+
+test('Testing throttle', (t) => {
+  //For more information on all the methods supported by tape
+  //Please go to https://github.com/substack/tape
+  t.true(typeof throttle === 'function', 'throttle is a Function');
+  //t.deepEqual(throttle(args..), 'Expected');
+  //t.equal(throttle(args..), 'Expected');
+  //t.false(throttle(args..), 'Expected');
+  //t.throws(throttle(args..), 'Expected');
+  t.end();
+});