andre/30-seconds-of-code
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Test cleanup and fixes [a-b]

Browse Source
This commit is contained in:
Angelos Chalaris
2018-06-18 15:54:48 +03:00
parent a78f5db260
commit 026c65a5e6
151 changed files with 753 additions and 373 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
test/sampleSize/sampleSize.test.js
View File

@ -6,12 +6,20 @@ const sampleSize = require('./sampleSize.js');
expect(sampleSize).toBeInstanceOf(Function);
});
const arr = [3,7,9,11];
t.equal(sampleSize(arr).length, 1, 'Returns a single element without n specified');
test('Returns a single element without n specified', () => {
expect(sampleSize(arr).length, 1).toBe()
});
test('Returns a random sample of specified size from an array', () => {
expect(sampleSize(arr, 2).every(x => arr.includes(x))).toBeTruthy();
});
t.equal(sampleSize(arr, 5).length, 4, 'Returns all elements in an array if n >= length');
t.deepEqual(sampleSize([], 2), [], 'Returns an empty array if original array is empty');
t.deepEqual(sampleSize(arr, 0), [], 'Returns an empty array if n = 0');
test('Returns all elements in an array if n >= length', () => {
expect(sampleSize(arr, 5).length, 4).toBe()
});
test('Returns an empty array if original array is empty', () => {
expect(sampleSize([], 2), []).toEqual()
});
test('Returns an empty array if n = 0', () => {
expect(sampleSize(arr, 0), []).toEqual()
});