@whook/whook/dist/libs/headers.test.js

Build strong and efficient REST web services.

import { describe, test, expect } from '@jest/globals';
import { YError } from 'yerror';
import { lowerCaseHeaders, mergeVaryHeaders } from './headers.js';
describe('lowerCaseHeaders', () => {
    test('should work with no headers', () => {
        expect(lowerCaseHeaders({})).toMatchInlineSnapshot(`{}`);
    });
    test('should work with actual headers', () => {
        expect(lowerCaseHeaders({
            'Content-Type': 'application-json',
            Authorization: 'bearer test',
        })).toMatchInlineSnapshot(`
      {
        "authorization": "bearer test",
        "content-type": "application-json",
      }
    `);
    });
});
describe('mergeVaryHeaders', () => {
    test('should work with empty values', () => {
        expect(mergeVaryHeaders('', '')).toMatchInlineSnapshot(`""`);
    });
    test('should work with a left value only', () => {
        expect(mergeVaryHeaders('User-Agent', '')).toMatchInlineSnapshot(`"user-agent"`);
    });
    test('should work with a wildcard in the left value', () => {
        expect(mergeVaryHeaders('user-agent, user-agent, cookie, *', 'User-Agent')).toMatchInlineSnapshot(`"*"`);
    });
    test('should work with a right value only', () => {
        expect(mergeVaryHeaders('', 'User-Agent')).toMatchInlineSnapshot(`"user-agent"`);
    });
    test('should work with a wildcard in the right value', () => {
        expect(mergeVaryHeaders('user-agent, user-agent, cookie', '*')).toMatchInlineSnapshot(`"*"`);
    });
    test('should work with both values', () => {
        expect(mergeVaryHeaders('User-Agent, Cookie', 'User-Agent')).toMatchInlineSnapshot(`"user-agent, cookie"`);
    });
    test('should work with multiple left values', () => {
        expect(mergeVaryHeaders([
            'User-Agent, Cookie, Authorization, Content-Type',
            'Cookie, Authorization, Content-Type, Cache-Control, ETag',
        ], 'Accept')).toMatchInlineSnapshot(`"user-agent, cookie, authorization, content-type, cache-control, etag, accept"`);
    });
    test('should fail with a bad added value', () => {
        try {
            mergeVaryHeaders('User-Agent', 'User-Agent, Cookie');
            throw new YError('E_UNEXPECTED_SUCCESS');
        }
        catch (err) {
            expect({
                errorCode: err.code,
                errorParams: err.params,
            }).toMatchInlineSnapshot(`
        {
          "errorCode": "E_BAD_VARY_VALUE",
          "errorParams": [
            "User-Agent, Cookie",
          ],
        }
      `);
        }
    });
});
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