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paperless-ngx/src/documents/tests/search/test_json_subpath_completeness.py
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Python

"""Every declared JSON subpath must actually be written to the index.
PUBLIC_FIELDS declares each JSON field's subpaths (e.g. ``notes`` ->
{"user", "note"}), but nothing coupled that declaration to what
``_backend.py``'s document builder actually writes into the JSON blob at
index time. A subpath declared but never written would be
queryable-but-always-empty -- syntactically valid, silently matching
nothing -- with no test failure anywhere.
This indexes one real document carrying values for every JSON field
(a Note, a CustomFieldInstance) and inspects the document's own stored
JSON payload, rather than running field-specific queries: that way a
future JSON field's subpaths are covered automatically, without a new
per-subpath query having to be added by hand each time.
"""
from __future__ import annotations
from typing import TYPE_CHECKING
import pytest
import tantivy
from django.contrib.auth.models import User
from whoosh_compat import FieldKind
from documents.models import CustomField
from documents.models import CustomFieldInstance
from documents.models import Document
from documents.models import Note
from documents.search._fields import PUBLIC_FIELDS
if TYPE_CHECKING:
from documents.search._backend import TantivyBackend
pytestmark = [pytest.mark.search, pytest.mark.django_db]
class TestJsonSubpathsAreWrittenAtIndexTime:
def test_every_declared_json_subpath_appears_in_the_stored_document(
self,
backend: TantivyBackend,
) -> None:
user = User.objects.create_user(username="completeness-user")
field = CustomField.objects.create(
name="Completeness Field",
data_type=CustomField.FieldDataType.STRING,
)
doc = Document.objects.create(
title="Completeness doc",
content="x",
checksum="json-subpath-completeness",
)
Note.objects.create(document=doc, user=user, note="a note")
CustomFieldInstance.objects.create(
document=doc,
field=field,
value_text="a value",
)
backend.add_or_update(doc)
index = backend._index
searcher = index.searcher()
hits = searcher.search(
tantivy.Query.term_query(index.schema, "id", doc.pk),
limit=1,
).hits
assert hits, "the document was not indexed"
stored = searcher.doc(hits[0][1]).to_dict()
json_fields = [f for f in PUBLIC_FIELDS if f.kind is FieldKind.JSON]
assert json_fields, "no JSON fields declared - fixture is stale"
for field_spec in json_fields:
stored_values = stored.get(field_spec.name)
assert stored_values, (
f"{field_spec.name} was not written to the index at all"
)
written_keys = stored_values[0].keys()
for subpath in field_spec.subpaths:
assert subpath in written_keys, (
f"{field_spec.name}.{subpath} is declared in PUBLIC_FIELDS "
"but _backend.py's document builder never writes it - it "
"would be queryable but always empty"
)