1 files changed, 27 insertions, 6 deletions
diff --git a/tests/test_extensions/test_ext_intersphinx.py b/tests/test_extensions/test_ext_intersphinx.py
index ef5a9b1..d475c60 100644
--- a/tests/test_extensions/test_ext_intersphinx.py
+++ b/tests/test_extensions/test_ext_intersphinx.py
@@ -7,10 +7,8 @@ import pytest
 from docutils import nodes
 
 from sphinx import addnodes
+from sphinx.builders.html import INVENTORY_FILENAME
 from sphinx.ext.intersphinx import (
-    INVENTORY_FILENAME,
-    _get_safe_url,
-    _strip_basic_auth,
     fetch_inventory,
     inspect_main,
     load_mappings,
@@ -18,9 +16,14 @@ from sphinx.ext.intersphinx import (
     normalize_intersphinx_mapping,
 )
 from sphinx.ext.intersphinx import setup as intersphinx_setup
+from sphinx.ext.intersphinx._load import _get_safe_url, _strip_basic_auth
 from sphinx.util.console import strip_colors
 
-from tests.test_util.intersphinx_data import INVENTORY_V2, INVENTORY_V2_NO_VERSION
+from tests.test_util.intersphinx_data import (
+    INVENTORY_V2,
+    INVENTORY_V2_AMBIGUOUS_TERMS,
+    INVENTORY_V2_NO_VERSION,
+)
 from tests.utils import http_server
 
 
@@ -46,8 +49,8 @@ def set_config(app, mapping):
     app.config.intersphinx_disabled_reftypes = []
 
 
-@mock.patch('sphinx.ext.intersphinx.InventoryFile')
-@mock.patch('sphinx.ext.intersphinx._read_from_url')
+@mock.patch('sphinx.ext.intersphinx._load.InventoryFile')
+@mock.patch('sphinx.ext.intersphinx._load._read_from_url')
 def test_fetch_inventory_redirection(_read_from_url, InventoryFile, app, status, warning):  # NoQA: PT019
     intersphinx_setup(app)
     _read_from_url().readline.return_value = b'# Sphinx inventory version 2'
@@ -248,6 +251,24 @@ def test_missing_reference_stddomain(tmp_path, app, status, warning):
     assert rn.astext() == 'The Julia Domain'
 
 
+def test_ambiguous_reference_warning(tmp_path, app, warning):
+    inv_file = tmp_path / 'inventory'
+    inv_file.write_bytes(INVENTORY_V2_AMBIGUOUS_TERMS)
+    set_config(app, {
+        'cmd': ('https://docs.python.org/', str(inv_file)),
+    })
+
+    # load the inventory
+    normalize_intersphinx_mapping(app, app.config)
+    load_mappings(app)
+
+    # term reference (case insensitive)
+    node, contnode = fake_node('std', 'term', 'A TERM', 'A TERM')
+    missing_reference(app, app.env, node, contnode)
+
+    assert 'multiple matches found for std:term:A TERM' in warning.getvalue()
+
+
 @pytest.mark.sphinx('html', testroot='ext-intersphinx-cppdomain')
 def test_missing_reference_cppdomain(tmp_path, app, status, warning):
     inv_file = tmp_path / 'inventory'