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15_getTheTitles : Added more tests #574

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55 changes: 44 additions & 11 deletions 15_getTheTitles/getTheTitles.spec.js
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Original file line number Diff line number Diff line change
@@ -1,18 +1,51 @@
const getTheTitles = require('./getTheTitles')

describe('getTheTitles', () => {
const books = [
{
title: 'Book',
author: 'Name'
},
{
title: 'Book2',
author: 'Name2'
}
]
const books = [
{
title: 'Book',
author: 'Name'
},
{
title: 'Book2',
author: 'Name2'
},
];

const largeBooks = Array.from({ length: 1000 }, (_, i) => ({
title: `Title${i}`,
author: `Author${i}`,
}));

const booksWithNonStringTitles = [
{
title: 123,
author: 'A',
},
{
title: null,
author: 'B',
},
{
title: 'Valid',
author: 'C',
},
];

test('gets titles', () => {
expect(getTheTitles(books)).toEqual(['Book','Book2']);
});
});
test.skip('returns empty array for empty input', () => {
expect(getTheTitles([])).toEqual([]);
});
test.skip('handles large array', () => {
expect(getTheTitles(largeBooks)).toEqual(largeBooks.map((b) => b.title));
});
test.skip('handles non-string titles', () => {
expect(getTheTitles(booksWithNonStringTitles)).toEqual([
123,
null,
'Valid',
]);
});
});
43 changes: 38 additions & 5 deletions 15_getTheTitles/solution/getTheTitles-solution.spec.js
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Original file line number Diff line number Diff line change
@@ -1,18 +1,51 @@
const getTheTitles = require('./getTheTitles-solution');
const getTheTitles = require('./getTheTitles')

describe('getTheTitles', () => {
const books = [
{
title: 'Book',
author: 'Name',
author: 'Name'
},
{
title: 'Book2',
author: 'Name2',
author: 'Name2'
},
];

const largeBooks = Array.from({ length: 1000 }, (_, i) => ({
title: `Title${i}`,
author: `Author${i}`,
}));

const booksWithNonStringTitles = [
{
title: 123,
author: 'A',
},
{
title: null,
author: 'B',
},
{
title: 'Valid',
author: 'C',
},
];

test('gets titles', () => {
expect(getTheTitles(books)).toEqual(['Book', 'Book2']);
expect(getTheTitles(books)).toEqual(['Book','Book2']);
});
test('returns empty array for empty input', () => {
expect(getTheTitles([])).toEqual([]);
});
test('handles large array', () => {
expect(getTheTitles(largeBooks)).toEqual(largeBooks.map((b) => b.title));
});
test('handles non-string titles', () => {
expect(getTheTitles(booksWithNonStringTitles)).toEqual([
123,
null,
'Valid',
]);
});
});
});