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sanitize.test.js
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sanitize.test.js
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/*************
* Constants *
*************/
const {sanitizeRedditData} = require('./utils.js');
const {
EXPECTED_OUTPUT_DATA_WITHOUT_URL_TEST, EXPECTED_OUTPUT_VALID_DATA,
SANITIZE_VALID_DATA_TEST, SANITIZE_DATA_WITHOUT_TITLE_TEST,
SANITIZE_DATA_WITHOUT_URL_TEST, INVALID_DATA
} = require('./constants');
/*********************************************
* Tests for the sanitizeRedditData function *
*********************************************/
describe('sanitizeRedditData', () => {
it('retrieve the correct data from the JSON', async () => {
//part of the subreddit NBA top posts, check if it can sanitize it correctly
//which means the function should get only the title and the url
const exampleJsonData = {
children:
SANITIZE_VALID_DATA_TEST
};
const expectedOutput = EXPECTED_OUTPUT_VALID_DATA;
const result = sanitizeRedditData(exampleJsonData);
expect(result).toEqual(expectedOutput);
});
it('return null for empty data', async () => {
const exampleJsonData = null;
const expectedOutput = null;
const result = sanitizeRedditData(exampleJsonData);
expect(result).toEqual(expectedOutput);
});
it('return null for invalid data', async () => {
const exampleJsonData = {children: INVALID_DATA};
const expectedOutput = null;
const result = sanitizeRedditData(exampleJsonData);
expect(result).toEqual(expectedOutput);
});
it('return null for missing title', async () => {
const exampleJsonData = {children: SANITIZE_DATA_WITHOUT_TITLE_TEST};
const expectedOutput = null;
const result = sanitizeRedditData(exampleJsonData);
expect(result).toEqual(expectedOutput);
});
it('retrieve the title without the url', async () => {
const exampleJsonData = {children: SANITIZE_DATA_WITHOUT_URL_TEST};
const expectedOutput = EXPECTED_OUTPUT_DATA_WITHOUT_URL_TEST;
const result = sanitizeRedditData(exampleJsonData);
expect(result).toEqual(expectedOutput);
});
});