Felipe97/llama-cpp-compiled

1import { parseHeadersToArray, serializeHeaders } from '$lib/utils/headers';2import { describe, expect, it } from 'vitest';3 4/**5 * Tests for the header serialization helpers used by the MCP server form6 * (custom header rows) and the new Authorization/Bearer-token flow.7 */8describe('parseHeadersToArray', () => {9	it('returns an empty array for empty or whitespace-only input', () => {10		expect(parseHeadersToArray('')).toEqual([]);11		expect(parseHeadersToArray('   ')).toEqual([]);12		expect(parseHeadersToArray(undefined as unknown as string)).toEqual([]);13	});14 15	it('returns an empty array for invalid JSON input', () => {16		expect(parseHeadersToArray('{not-json')).toEqual([]);17		expect(parseHeadersToArray('[]')).toEqual([]);18		expect(parseHeadersToArray('"plain-string"')).toEqual([]);19	});20 21	it('converts an object into ordered key/value pairs', () => {22		expect(parseHeadersToArray('{"X-Foo":"bar","Authorization":"Bearer abc"}')).toEqual([23			{ key: 'X-Foo', value: 'bar' },24			{ key: 'Authorization', value: 'Bearer abc' }25		]);26	});27 28	it('stringifies non-string values', () => {29		expect(parseHeadersToArray('{"count":"42","flag":"true"}')).toEqual([30			{ key: 'count', value: '42' },31			{ key: 'flag', value: 'true' }32		]);33	});34});35 36describe('serializeHeaders', () => {37	it('returns an empty string when there are no valid pairs', () => {38		expect(serializeHeaders([])).toBe('');39		expect(serializeHeaders([{ key: '', value: 'value' }])).toBe('');40		expect(serializeHeaders([{ key: '   ', value: 'value' }])).toBe('');41	});42 43	it('returns an empty string when every pair has a blank key', () => {44		expect(45			serializeHeaders([46				{ key: '', value: 'drop-me' },47				{ key: '   ', value: 'drop-me-too' },48				{ key: '\t', value: 'tab-key' }49			])50		).toBe('');51	});52 53	it('drops pairs with empty keys but keeps the rest', () => {54		expect(55			serializeHeaders([56				{ key: '', value: 'drop-me' },57				{ key: 'X-Keep', value: 'ok' }58			])59		).toBe('{"X-Keep":"ok"}');60	});61 62	it('trims keys before serializing', () => {63		expect(serializeHeaders([{ key: '  X-Space  ', value: 'ok' }])).toBe('{"X-Space":"ok"}');64	});65 66	it('preserves the input order of surviving pairs', () => {67		const serialized = serializeHeaders([68			{ key: 'X-C', value: '3' },69			{ key: 'X-A', value: '1' },70			{ key: 'X-B', value: '2' }71		]);72 73		// Object key order follows insertion order in modern JS engines, so74		// the serialized JSON writes keys in our input order.75		expect(JSON.parse(serialized)).toEqual({ 'X-A': '1', 'X-B': '2', 'X-C': '3' });76	});77});78 79describe('parseHeadersToArray / serializeHeaders roundtrip', () => {80	it('serializes back to an equal header object after a parse', () => {81		const original = JSON.stringify({82			'Content-Type': 'application/json',83			'X-Trace-Id': 'abc-123'84		});85		const roundtrip = serializeHeaders(parseHeadersToArray(original));86 87		expect(JSON.parse(roundtrip)).toEqual(JSON.parse(original));88	});89 90	it('drops rows whose keys are blank after trimming during serialization', () => {91		const pairs = parseHeadersToArray('{"X-Keep":"ok","":"drop-me"}');92 93		// parseHeadersToArray keeps raw key strings (the consumer is expected to94		// filter blanks, not the parser); serialization must strip them.95		expect(pairs).toEqual([96			{ key: 'X-Keep', value: 'ok' },97			{ key: '', value: 'drop-me' }98		]);99		expect(serializeHeaders(pairs)).toBe('{"X-Keep":"ok"}');100	});101 102	it('preserves upstream keys untouched (does not lowercase them)', () => {103		const upperCased = '{"Authorization":"Bearer xyz"}';104		const parsed = parseHeadersToArray(upperCased);105 106		expect(parsed).toEqual([{ key: 'Authorization', value: 'Bearer xyz' }]);107	});108 109	it('bearer-token write survives a re-parse when paired with regular custom headers', () => {110		// The McpServerForm bearer UI writes {Authorization: `Bearer <token>`}111		// into the same headers string as the custom KV section. The round112		// trip below mirrors the exact shape the form produces so a future113		// refactor of either code path cannot silently change the on-disk key.114		const pairs = [115			{ key: 'X-Trace-Id', value: 'abc-123' },116			{ key: 'Authorization', value: 'Bearer super-secret' }117		];118		const serialized = serializeHeaders(pairs);119 120		expect(serialized).toBe('{"X-Trace-Id":"abc-123","Authorization":"Bearer super-secret"}');121		expect(parseHeadersToArray(serialized)).toEqual(pairs);122	});123});124