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import { expect } from 'chai';
import { createOutgoingHttpHeaders } from '../dist/createOutgoingHttpHeaders.js';
describe('createOutgoingHttpHeaders', () => {
it('undefined input headers', async () => {
const result = createOutgoingHttpHeaders(undefined);
expect(result).to.equal(undefined);
});
it('null input headers', async () => {
const result = createOutgoingHttpHeaders(undefined);
expect(result).to.equal(undefined);
});
it('Empty Headers', async () => {
const headers = new Headers();
const result = createOutgoingHttpHeaders(headers);
expect(result).to.equal(undefined);
});
it('Headers with single key', async () => {
const headers = new Headers();
headers.append('x-test', 'hello world');
const result = createOutgoingHttpHeaders(headers);
expect(result).to.deep.equal({ 'x-test': 'hello world' });
});
it('Headers with multiple keys', async () => {
const headers = new Headers();
headers.append('x-test1', 'hello');
headers.append('x-test2', 'world');
const result = createOutgoingHttpHeaders(headers);
expect(result).to.deep.equal({ 'x-test1': 'hello', 'x-test2': 'world' });
});
it('Headers with multiple values (not set-cookie)', async () => {
const headers = new Headers();
headers.append('x-test', 'hello');
headers.append('x-test', 'world');
const result = createOutgoingHttpHeaders(headers);
expect(result).to.deep.equal({ 'x-test': 'hello, world' });
});
it('Headers with multiple values (set-cookie special case)', async () => {
const headers = new Headers();
headers.append('set-cookie', 'hello');
headers.append('set-cookie', 'world');
const result = createOutgoingHttpHeaders(headers);
expect(result).to.deep.equal({ 'set-cookie': ['hello', 'world'] });
});
it('Headers with multiple values (set-cookie case handling)', async () => {
const headers = new Headers();
headers.append('Set-cookie', 'hello');
headers.append('Set-Cookie', 'world');
const result = createOutgoingHttpHeaders(headers);
expect(result).to.deep.equal({ 'set-cookie': ['hello', 'world'] });
});
it('Headers with all use cases', async () => {
const headers = new Headers();
headers.append('x-single', 'single');
headers.append('x-triple', 'one');
headers.append('x-triple', 'two');
headers.append('x-triple', 'three');
headers.append('Set-cookie', 'hello');
headers.append('Set-Cookie', 'world');
const result = createOutgoingHttpHeaders(headers);
expect(result).to.deep.equal({
'x-single': 'single',
'x-triple': 'one, two, three',
'set-cookie': ['hello', 'world'],
});
});
});
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