Commit 79e07ad

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Merge pull request knaxus#138 from qualitymanifest/tests/trie-unique-word-count

Add unit tests for Trie/unique-word-count

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Original file line number	Diff line number	Diff line change
`@@ -1,6 +1,3 @@`
`1`		`-/* eslint-disable no-unused-vars */`
`2`		`-const Trie = require('../index');`
`3`		`-`
`4`	`1`	`function uniqueWordCount(root) {`
`5`	`2`	`let result = 0;`
`6`	`3`	`if (root.isEndOfWord) {`
`@@ -14,10 +11,4 @@ function uniqueWordCount(root) {`
`14`	`11`	`return result;`
`15`	`12`	`}`
`16`	`13`
`17`		`-// const words = ['bed', 'ball', 'apple', 'java', 'javascript', 'bed'];`
`18`		`-// const trie = new Trie();`
`19`		`-`
`20`		`-// words.forEach(word => trie.insert(word));`
`21`		`-// console.log(uniqueWordCount(trie.root));`
`22`		`-`
`23`	`14`	`module.exports = uniqueWordCount;`

Lines changed: 26 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,26 @@`
	`1`	`+const Trie = require('../index');`
	`2`	`+const uniqueWordCount = require('.');`
	`3`	`+`
	`4`	`+describe('Trie Unique Word Count', () => {`
	`5`	`+ it('counts an empty trie', () => {`
	`6`	`+ const trie = new Trie();`
	`7`	`+ const wordCount = uniqueWordCount(trie.root);`
	`8`	`+ expect(wordCount).toEqual(0);`
	`9`	`+ });`
	`10`	`+`
	`11`	`+ it('counts unique words', () => {`
	`12`	`+ const trie = new Trie();`
	`13`	`+ const words = ['one', 'two', 'three', 'four'];`
	`14`	`+ words.forEach(word => trie.insert(word));`
	`15`	`+ const wordCount = uniqueWordCount(trie.root);`
	`16`	`+ expect(wordCount).toEqual(4);`
	`17`	`+ });`
	`18`	`+`
	`19`	`+ it('does not count duplicate words', () => {`
	`20`	`+ const trie = new Trie();`
	`21`	`+ const words = ['one', 'one', 'two', 'three'];`
	`22`	`+ words.forEach(word => trie.insert(word));`
	`23`	`+ const wordCount = uniqueWordCount(trie.root);`
	`24`	`+ expect(wordCount).toEqual(3);`
	`25`	`+ });`
	`26`	`+});`

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