"""Tests for HTML to PDF endpoint — POST /api/convert/html-to-pdf."""
import io
from unittest.mock import MagicMock
from app.services.html_to_pdf_service import _get_dependency_mismatch_error
class TestHtmlToPdf:
def test_no_file(self, client):
"""Should return 400 when no file provided."""
response = client.post('/api/convert/html-to-pdf')
assert response.status_code == 400
def test_success(self, client, monkeypatch):
"""Should return 202 with task_id on valid HTML upload."""
mock_task = MagicMock()
mock_task.id = 'html-pdf-task-id'
monkeypatch.setattr(
'app.routes.html_to_pdf.validate_actor_file',
lambda f, allowed_types, actor: ('test.html', 'html'),
)
monkeypatch.setattr(
'app.routes.html_to_pdf.generate_safe_path',
lambda ext, folder_type: ('html-pdf-task-id', '/tmp/mock.html'),
)
monkeypatch.setattr(
'app.routes.html_to_pdf.html_to_pdf_task.delay',
MagicMock(return_value=mock_task),
)
monkeypatch.setattr(
'werkzeug.datastructures.file_storage.FileStorage.save',
lambda self, dst, buffer_size=16384: None,
)
data = {
'file': (io.BytesIO(b'Hello'), 'test.html'),
}
response = client.post(
'/api/convert/html-to-pdf',
data=data,
content_type='multipart/form-data',
)
assert response.status_code == 202
json_data = response.get_json()
assert 'task_id' in json_data
def test_detects_weasyprint_pydyf_version_mismatch(self, monkeypatch):
"""Should flag the known WeasyPrint/pydyf incompatibility."""
versions = {
'weasyprint': '61.2',
'pydyf': '0.12.1',
}
monkeypatch.setattr(
'app.services.html_to_pdf_service._get_installed_version',
lambda package_name: versions.get(package_name),
)
error = _get_dependency_mismatch_error()
assert error is not None
assert 'WeasyPrint 61.2' in error
assert 'pydyf 0.12.1' in error
def test_allows_compatible_weasyprint_pydyf_versions(self, monkeypatch):
"""Should not flag compatible dependency versions."""
versions = {
'weasyprint': '61.2',
'pydyf': '0.10.0',
}
monkeypatch.setattr(
'app.services.html_to_pdf_service._get_installed_version',
lambda package_name: versions.get(package_name),
)
assert _get_dependency_mismatch_error() is None