// ========= Copyright 2025-2026 @ Eigent.ai All Rights Reserved. =========
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ========= Copyright 2025-2026 @ Eigent.ai All Rights Reserved. =========
import { deferInlineScriptsUntilLoad } from '@/lib/htmlFontStyles';
import { describe, expect, it } from 'vitest';
describe('deferInlineScriptsUntilLoad', () => {
it('only defers inline scripts that appear after an external script', () => {
const input = `
`;
const output = deferInlineScriptsUntilLoad(input);
expect(output).toContain('');
expect(output).toContain(
''
);
expect(output).not.toContain('');
expect(output).toContain("window.addEventListener('load'");
});
it('treats uppercase SRC as external and defers following inline scripts', () => {
const input = ``;
const output = deferInlineScriptsUntilLoad(input);
expect(output).not.toContain('');
expect(output).toContain("window.addEventListener('load'");
});
it('does not mistake data-src as an external script source', () => {
const input =
'';
const output = deferInlineScriptsUntilLoad(input);
expect(output).toBe(input);
});
it('preserves inline script global execution via dynamic script injection', () => {
const input = ``;
const output = deferInlineScriptsUntilLoad(input);
expect(output).toContain("document.createElement('script')");
expect(output).toContain('window.shared = 1;');
});
it('does not rewrite non-javascript script types', () => {
const input = ``;
const output = deferInlineScriptsUntilLoad(input);
expect(output).toContain(
''
);
expect(output).toContain(
''
);
});
it('supports javascript mime types with parameters', () => {
const input = ``;
const output = deferInlineScriptsUntilLoad(input);
expect(output).not.toContain('window.paramType = 1;');
expect(output).toContain("window.addEventListener('load'");
});
});