sphinx/tests/test_search.py

487 lines
16 KiB
Python

"""Test the search index builder."""
from __future__ import annotations
import json
import warnings
from io import BytesIO
from typing import TYPE_CHECKING
import pytest
from docutils import frontend, utils
from docutils.parsers import rst
from sphinx.search import IndexBuilder
from tests.utils import TESTS_ROOT
if TYPE_CHECKING:
from collections.abc import Iterable, Iterator
from pathlib import Path
from typing import Any
from sphinx.domains import ObjType
from sphinx.testing.util import SphinxTestApp
JAVASCRIPT_TEST_ROOTS = [
directory
for directory in (TESTS_ROOT / 'js' / 'roots').iterdir()
if (directory / 'conf.py').exists()
]
class DummyDomainsContainer:
def __init__(self, **domains: DummyDomain) -> None:
self._domain_instances = domains
def sorted(self) -> Iterator[DummyDomain]:
for _domain_name, domain in sorted(self._domain_instances.items()):
yield domain
class DummyEnvironment:
def __init__(self, version: str, domains: DummyDomainsContainer) -> None:
self.version = version
self.domains = domains
def __getattr__(self, name: str):
if name.startswith('_search_index_'):
setattr(self, name, {})
return getattr(self, name, {})
def __str__(self) -> str:
return f'DummyEnvironment({self.version!r}, {self.domains!r})'
class DummyDomain:
def __init__(
self, name: str, data: Iterable[tuple[str, str, str, str, str, int]]
) -> None:
self.name = name
self.data = data
self.object_types: dict[str, ObjType] = {}
def get_objects(self) -> Iterable[tuple[str, str, str, str, str, int]]:
return self.data
def load_searchindex(path: Path) -> Any:
searchindex = path.read_text(encoding='utf8')
assert searchindex.startswith('Search.setIndex(')
assert searchindex.endswith(')')
return json.loads(searchindex[16:-1])
def is_registered_term(index: Any, keyword: str) -> bool:
return index['terms'].get(keyword, []) != []
FILE_CONTENTS = """\
section_title
=============
.. test that comments are not indexed: boson
another_title
=============
test that non-comments are indexed: fermion
"""
@pytest.mark.sphinx('html', testroot='ext-viewcode')
def test_objects_are_escaped(app: SphinxTestApp) -> None:
app.build(force_all=True)
index = load_searchindex(app.outdir / 'searchindex.js')
for item in index.get('objects').get(''):
if item[-1] == 'n::Array&lt;T, d&gt;': # n::Array<T,d> is escaped
break
else:
raise AssertionError(index.get('objects').get(''))
@pytest.mark.sphinx('html', testroot='search')
def test_meta_keys_are_handled_for_language_en(app: SphinxTestApp) -> None:
app.build(force_all=True)
searchindex = load_searchindex(app.outdir / 'searchindex.js')
assert not is_registered_term(searchindex, 'thisnoteith')
assert is_registered_term(searchindex, 'thisonetoo')
assert is_registered_term(searchindex, 'findthiskei')
assert is_registered_term(searchindex, 'thistoo')
assert not is_registered_term(searchindex, 'onlygerman')
assert is_registered_term(searchindex, 'notgerman')
assert not is_registered_term(searchindex, 'onlytoogerman')
@pytest.mark.sphinx(
'html',
testroot='search',
confoverrides={'html_search_language': 'de'},
freshenv=True,
)
def test_meta_keys_are_handled_for_language_de(app: SphinxTestApp) -> None:
app.build(force_all=True)
searchindex = load_searchindex(app.outdir / 'searchindex.js')
assert not is_registered_term(searchindex, 'thisnoteith')
assert is_registered_term(searchindex, 'thisonetoo')
assert not is_registered_term(searchindex, 'findthiskei')
assert not is_registered_term(searchindex, 'thistoo')
assert is_registered_term(searchindex, 'onlygerman')
assert not is_registered_term(searchindex, 'notgerman')
assert is_registered_term(searchindex, 'onlytoogerman')
@pytest.mark.sphinx('html', testroot='search')
def test_stemmer_does_not_remove_short_words(app: SphinxTestApp) -> None:
app.build(force_all=True)
searchindex = (app.outdir / 'searchindex.js').read_text(encoding='utf8')
assert 'bat' in searchindex
@pytest.mark.sphinx('html', testroot='search')
def test_stemmer(app: SphinxTestApp) -> None:
app.build(force_all=True)
searchindex = load_searchindex(app.outdir / 'searchindex.js')
print(searchindex)
assert is_registered_term(searchindex, 'findthisstemmedkei')
assert is_registered_term(searchindex, 'intern')
@pytest.mark.sphinx('html', testroot='search')
def test_term_in_heading_and_section(app: SphinxTestApp) -> None:
app.build(force_all=True)
searchindex = (app.outdir / 'searchindex.js').read_text(encoding='utf8')
# if search term is in the title of one doc and in the text of another
# both documents should be a hit in the search index as a title,
# respectively text hit
assert '"textinhead":2' in searchindex
assert '"textinhead":0' in searchindex
@pytest.mark.sphinx('html', testroot='search')
def test_term_in_raw_directive(app: SphinxTestApp) -> None:
app.build(force_all=True)
searchindex = load_searchindex(app.outdir / 'searchindex.js')
assert not is_registered_term(searchindex, 'raw')
assert is_registered_term(searchindex, 'rawword')
assert not is_registered_term(searchindex, 'latex_keyword')
def test_IndexBuilder():
with warnings.catch_warnings():
warnings.filterwarnings('ignore', category=DeprecationWarning)
# DeprecationWarning: The frontend.OptionParser class will be replaced
# by a subclass of argparse.ArgumentParser in Docutils 0.21 or later.
optparser = frontend.OptionParser(components=(rst.Parser,))
settings = optparser.get_default_values()
parser = rst.Parser()
domain1 = DummyDomain(
'dummy1',
[
('objname1', 'objdispname1', 'objtype1', 'docname1_1', '#anchor', 1),
('objname2', 'objdispname2', 'objtype2', 'docname1_2', '', -1),
],
)
domain2 = DummyDomain(
'dummy2',
[
('objname1', 'objdispname1', 'objtype1', 'docname2_1', '#anchor', 1),
('objname2', 'objdispname2', 'objtype2', 'docname2_2', '', -1),
],
)
env = DummyEnvironment('1.0', DummyDomainsContainer(dummy1=domain1, dummy2=domain2))
doc = utils.new_document('test data', settings)
doc['file'] = 'dummy'
parser.parse(FILE_CONTENTS, doc)
# feed
index = IndexBuilder(env, 'en', {}, '')
index.feed('docname1_1', 'filename1_1', 'title1_1', doc)
index.feed('docname1_2', 'filename1_2', 'title1_2', doc)
index.feed('docname2_2', 'filename2_2', 'title2_2', doc)
index.feed('docname2_1', 'filename2_1', 'title2_1', doc)
assert index._titles == {
'docname1_1': 'title1_1',
'docname1_2': 'title1_2',
'docname2_1': 'title2_1',
'docname2_2': 'title2_2',
}
assert index._filenames == {
'docname1_1': 'filename1_1',
'docname1_2': 'filename1_2',
'docname2_1': 'filename2_1',
'docname2_2': 'filename2_2',
}
# note: element iteration order (sort order) is important when the index
# is frozen (serialized) during build -- however, the _mapping-related
# dictionaries below may be iterated in arbitrary order by Python at
# runtime.
assert index._mapping == {
'ar': {'docname1_1', 'docname1_2', 'docname2_1', 'docname2_2'},
'fermion': {'docname1_1', 'docname1_2', 'docname2_1', 'docname2_2'},
'comment': {'docname1_1', 'docname1_2', 'docname2_1', 'docname2_2'},
'non': {'docname1_1', 'docname1_2', 'docname2_1', 'docname2_2'},
'index': {'docname1_1', 'docname1_2', 'docname2_1', 'docname2_2'},
'test': {'docname1_1', 'docname1_2', 'docname2_1', 'docname2_2'},
}
assert index._title_mapping == {
'another_titl': {'docname1_1', 'docname1_2', 'docname2_1', 'docname2_2'},
'section_titl': {'docname1_1', 'docname1_2', 'docname2_1', 'docname2_2'},
}
assert index._objtypes == {}
assert index._objnames == {}
# freeze
assert index.freeze() == {
'docnames': ('docname1_1', 'docname1_2', 'docname2_1', 'docname2_2'),
'envversion': '1.0',
'filenames': ['filename1_1', 'filename1_2', 'filename2_1', 'filename2_2'],
'objects': {
'': [
(0, 0, 1, '#anchor', 'objdispname1'),
(2, 1, 1, '#anchor', 'objdispname1'),
]
},
'objnames': {
0: ('dummy1', 'objtype1', 'objtype1'),
1: ('dummy2', 'objtype1', 'objtype1'),
},
'objtypes': {0: 'dummy1:objtype1', 1: 'dummy2:objtype1'},
'terms': {
'ar': [0, 1, 2, 3],
'comment': [0, 1, 2, 3],
'fermion': [0, 1, 2, 3],
'index': [0, 1, 2, 3],
'non': [0, 1, 2, 3],
'test': [0, 1, 2, 3],
},
'titles': ('title1_1', 'title1_2', 'title2_1', 'title2_2'),
'titleterms': {
'another_titl': [0, 1, 2, 3],
'section_titl': [0, 1, 2, 3],
},
'alltitles': {
'another_title': [
(0, 'another-title'),
(1, 'another-title'),
(2, 'another-title'),
(3, 'another-title'),
],
'section_title': [(0, None), (1, None), (2, None), (3, None)],
},
'indexentries': {},
}
assert index._objtypes == {('dummy1', 'objtype1'): 0, ('dummy2', 'objtype1'): 1}
assert index._objnames == {
0: ('dummy1', 'objtype1', 'objtype1'),
1: ('dummy2', 'objtype1', 'objtype1'),
}
env = DummyEnvironment('1.0', DummyDomainsContainer(dummy1=domain1, dummy2=domain2))
# dump / load
stream = BytesIO()
index.dump(stream, 'pickle')
stream.seek(0)
index2 = IndexBuilder(env, 'en', {}, '')
index2.load(stream, 'pickle')
assert index2._titles == index._titles
assert index2._filenames == index._filenames
assert index2._mapping == index._mapping
assert index2._title_mapping == index._title_mapping
assert index2._objtypes == {}
assert index2._objnames == {}
# freeze after load
assert index2.freeze() == index.freeze()
assert index2._objtypes == index._objtypes
assert index2._objnames == index._objnames
# prune
index.prune(['docname1_2', 'docname2_2'])
assert index._titles == {'docname1_2': 'title1_2', 'docname2_2': 'title2_2'}
assert index._filenames == {
'docname1_2': 'filename1_2',
'docname2_2': 'filename2_2',
}
assert index._mapping == {
'ar': {'docname1_2', 'docname2_2'},
'fermion': {'docname1_2', 'docname2_2'},
'comment': {'docname1_2', 'docname2_2'},
'non': {'docname1_2', 'docname2_2'},
'index': {'docname1_2', 'docname2_2'},
'test': {'docname1_2', 'docname2_2'},
}
assert index._title_mapping == {
'another_titl': {'docname1_2', 'docname2_2'},
'section_titl': {'docname1_2', 'docname2_2'},
}
assert index._objtypes == {('dummy1', 'objtype1'): 0, ('dummy2', 'objtype1'): 1}
assert index._objnames == {
0: ('dummy1', 'objtype1', 'objtype1'),
1: ('dummy2', 'objtype1', 'objtype1'),
}
# freeze after prune
assert index.freeze() == {
'docnames': ('docname1_2', 'docname2_2'),
'envversion': '1.0',
'filenames': ['filename1_2', 'filename2_2'],
'objects': {},
'objnames': {
0: ('dummy1', 'objtype1', 'objtype1'),
1: ('dummy2', 'objtype1', 'objtype1'),
},
'objtypes': {0: 'dummy1:objtype1', 1: 'dummy2:objtype1'},
'terms': {
'ar': [0, 1],
'comment': [0, 1],
'fermion': [0, 1],
'index': [0, 1],
'non': [0, 1],
'test': [0, 1],
},
'titles': ('title1_2', 'title2_2'),
'titleterms': {
'another_titl': [0, 1],
'section_titl': [0, 1],
},
'alltitles': {
'another_title': [(0, 'another-title'), (1, 'another-title')],
'section_title': [(0, None), (1, None)],
},
'indexentries': {},
}
assert index._objtypes == {('dummy1', 'objtype1'): 0, ('dummy2', 'objtype1'): 1}
assert index._objnames == {
0: ('dummy1', 'objtype1', 'objtype1'),
1: ('dummy2', 'objtype1', 'objtype1'),
}
def test_IndexBuilder_lookup():
env = DummyEnvironment('1.0', {})
# zh
index = IndexBuilder(env, 'zh', {}, '')
assert index.lang.lang == 'zh'
# zh_CN
index = IndexBuilder(env, 'zh_CN', {}, '')
assert index.lang.lang == 'zh'
@pytest.mark.sphinx(
'html',
testroot='search',
confoverrides={'html_search_language': 'zh'},
srcdir='search_zh',
)
def test_search_index_gen_zh(app: SphinxTestApp) -> None:
app.build(force_all=True)
index = load_searchindex(app.outdir / 'searchindex.js')
assert 'chinesetest ' not in index['terms']
assert 'chinesetest' in index['terms']
assert 'chinesetesttwo' in index['terms']
assert 'cas' in index['terms']
@pytest.mark.sphinx(
'html',
testroot='search',
freshenv=True,
)
def test_nosearch(app: SphinxTestApp) -> None:
app.build()
index = load_searchindex(app.outdir / 'searchindex.js')
assert index['docnames'] == ['index', 'nosearch', 'tocitem']
# latex is in 'nosearch.rst', and nowhere else
assert 'latex' not in index['terms']
# cat is in 'index.rst' but is marked with the 'no-search' class
assert 'cat' not in index['terms']
# bat is indexed from 'index.rst' and 'tocitem.rst' (document IDs 0, 2), and
# not from 'nosearch.rst' (document ID 1)
assert 'bat' in index['terms']
assert index['terms']['bat'] == [0, 2]
@pytest.mark.sphinx(
'html',
testroot='search',
parallel=3,
freshenv=True,
)
def test_parallel(app: SphinxTestApp) -> None:
app.build()
index = load_searchindex(app.outdir / 'searchindex.js')
assert index['docnames'] == ['index', 'nosearch', 'tocitem']
@pytest.mark.sphinx('html', testroot='search')
def test_search_index_is_deterministic(app: SphinxTestApp) -> None:
app.build(force_all=True)
index = load_searchindex(app.outdir / 'searchindex.js')
# Pretty print the index. Only shown by pytest on failure.
print(f'searchindex.js contents:\n\n{json.dumps(index, indent=2)}')
assert_is_sorted(index, '')
def is_title_tuple_type(item: list[int | str]) -> bool:
"""In the search index, titles inside .alltitles are stored as a tuple of
(document_idx, title_anchor). Tuples are represented as lists in JSON,
but their contents must not be sorted. We cannot sort them anyway, as
document_idx is an int and title_anchor is a str.
"""
return len(item) == 2 and isinstance(item[0], int) and isinstance(item[1], str)
def assert_is_sorted(
item: dict[str, str] | list[int | str] | int | str, path: str
) -> None:
lists_not_to_sort = {
# Each element of .titles is related to the element of .docnames in the same position.
# The ordering is deterministic because .docnames is sorted.
'.titles',
# Each element of .filenames is related to the element of .docnames in the same position.
# The ordering is deterministic because .docnames is sorted.
'.filenames',
}
err_path = path or '<root>'
if isinstance(item, dict):
assert list(item.keys()) == sorted(item.keys()), f'{err_path} is not sorted'
for key, value in item.items():
assert_is_sorted(value, f'{path}.{key}')
elif isinstance(item, list):
if not is_title_tuple_type(item) and path not in lists_not_to_sort:
# sort nulls last; http://stackoverflow.com/questions/19868767/
assert item == sorted(item, key=lambda x: (x is None, x)), (
f'{err_path} is not sorted'
)
for i, child in enumerate(item):
assert_is_sorted(child, f'{path}[{i}]')
@pytest.mark.parametrize('directory', JAVASCRIPT_TEST_ROOTS)
def test_check_js_search_indexes(make_app, sphinx_test_tempdir, directory):
app = make_app(
'html',
srcdir=directory,
builddir=sphinx_test_tempdir / directory.name,
)
app.build()
fresh_searchindex = app.outdir / 'searchindex.js'
existing_searchindex = (
TESTS_ROOT / 'js' / 'fixtures' / directory.name / 'searchindex.js'
)
msg = (
f'Search index fixture {existing_searchindex} does not match regenerated copy.'
)
assert fresh_searchindex.read_bytes() == existing_searchindex.read_bytes(), msg