Created
January 27, 2022 02:35
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| class AddressBook { | |
| constructor() { | |
| this.entries = []; | |
| } | |
| // get all your entries | |
| getAll() { | |
| } | |
| // get all entries by type | |
| getAllByType(type) { | |
| // const entriesWithType = []; | |
| // for(const entry of this.entries) { | |
| // if(entry.type === type) { | |
| // entriesWithType.push(entry); | |
| // } | |
| // } | |
| // return entriesWithType; | |
| return this.entries.filter( entry => entry.type === type ); | |
| } | |
| // find an entry by name and type | |
| getByNameAndType(name, type) { | |
| return this.entries.find( entry => entry.name === name && entry.type === type ); | |
| } | |
| // delete all entries | |
| // add entries | |
| addEntry(name, type) { | |
| // const potentialDuplicate = this.entries.find( entry => entry.name === name && entry.type === type ); | |
| // if(potentialDuplicate) { | |
| // return; | |
| // } | |
| if( this.getByNameAndType(name, type) ) { | |
| return; | |
| } | |
| // for(const entry of this.entries) { | |
| // if(entry.name === name && entry.type === type) { | |
| // return; | |
| // } | |
| // } | |
| // let foundDuplicate = false; | |
| // this.entries.forEach( entry => { | |
| // if(entry.name === name && entry.type === type) { | |
| // foundDuplicate = true; | |
| // } | |
| // }) | |
| // if(foundDuplicate) { | |
| // return; | |
| // } | |
| const newEntry = { | |
| name: name, | |
| type: type | |
| } | |
| this.entries.push(newEntry); | |
| } | |
| // remove entries | |
| } |
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| const expect = chai.expect; | |
| describe("AddressBook", function() { | |
| describe("#getAll()", function() { | |
| it("should get all the entries", function() { | |
| }) | |
| }) | |
| describe("#getAllByType()", function() { | |
| it("should get all entries with that type", function() { | |
| const book = new AddressBook(); | |
| book.addEntry("Natalie", "teacher"); | |
| book.addEntry("Dylan", "teacher"); | |
| book.addEntry("Joshua", "butcher"); | |
| book.addEntry("Raven", "baker"); | |
| const teachers = book.getAllByType("teacher"); | |
| expect(teachers).to.have.lengthOf(2); | |
| expect(teachers[0].name).to.equal("Natalie") | |
| expect(teachers[0].type).to.equal("teacher") | |
| expect(teachers[1].name).to.equal("Dylan") | |
| expect(teachers[1].type).to.equal("teacher") | |
| }) | |
| }) | |
| describe("#addEntry()", function() { | |
| it("should add each entry we give it with the correct data", function() { | |
| const book = new AddressBook(); | |
| book.addEntry("Natalie", "teacher"); | |
| book.addEntry("Dylan", "teacher"); | |
| expect(book.entries).to.have.lengthOf(2); | |
| expect(book.entries[0].name).to.equal("Natalie") | |
| expect(book.entries[0].type).to.equal("teacher") | |
| expect(book.entries[1].name).to.equal("Dylan") | |
| expect(book.entries[1].type).to.equal("teacher") | |
| }) | |
| it("should not add duplicates", function() { | |
| const book = new AddressBook(); | |
| book.addEntry("Natalie", "teacher"); | |
| book.addEntry("Dylan", "teacher"); | |
| book.addEntry("Natalie", "teacher"); | |
| expect(book.entries).to.have.lengthOf(2); | |
| expect(book.entries[0].name).to.equal("Natalie") | |
| expect(book.entries[0].type).to.equal("teacher") | |
| expect(book.entries[1].name).to.equal("Dylan") | |
| expect(book.entries[1].type).to.equal("teacher") | |
| }) | |
| }) | |
| }) |
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta http-equiv="X-UA-Compatible" content="IE=edge"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <title>Document</title> | |
| <link rel="stylesheet" href="node_modules/mocha/mocha.css"> | |
| </head> | |
| <body> | |
| <div id="mocha"><p><a href=".">Index</a></p></div> | |
| <div id="messages"></div> | |
| <div id="fixtures"></div> | |
| <script src="node_modules/mocha/mocha.js"></script> | |
| <script src="node_modules/chai/chai.js"></script> | |
| <script> | |
| mocha.setup('bdd'); | |
| </script> | |
| <script src="AddressBook.js"></script> | |
| <script src="AddressBook.test.js"></script> | |
| <script> | |
| mocha.run(); | |
| </script> | |
| </body> | |
| </html> |
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