pyreverse: Add show-stdlib option (#8190)

* pyreverse: Add show-stdlib option

* Switch to astroid.modutils.is_standard_module

* Add tests

* Fix quotes in whatsnew fragment

* Update for astroid 2.15.0

* Recategorize news fragment

3 files changed, 47 insertions, 1 deletions

diff --git a/tests/pyreverse/test_diadefs.py b/tests/pyreverse/test_diadefs.py
index 5dba9466d..73d8adfcc 100644
--- a/tests/pyreverse/test_diadefs.py
+++ b/tests/pyreverse/test_diadefs.py
@@ -13,7 +13,7 @@ from collections.abc import Iterator
 from pathlib import Path
 
 import pytest
-from astroid import nodes
+from astroid import extract_node, nodes
 
 from pylint.pyreverse.diadefslib import (
     ClassDiadefGenerator,
@@ -97,6 +97,50 @@ def test_default_values() -> None:
     # TODO : should test difference between default values for package or class diagrams
 
 
+class TestShowOptions:
+    def test_show_stdlib(self) -> None:
+        example = extract_node(
+            '''
+            import collections
+
+            class CustomDict(collections.OrderedDict):
+                """docstring"""
+            '''
+        )
+
+        config = PyreverseConfig()
+        dd_gen = DiaDefGenerator(Linker(PROJECT), DiadefsHandler(config))
+
+        # Default behavior
+        assert not list(dd_gen.get_ancestors(example, 1))
+
+        # Show standard library enabled
+        config.show_stdlib = True
+        ancestors = list(dd_gen.get_ancestors(example, 1))
+        assert len(ancestors) == 1
+        assert ancestors[0].name == "OrderedDict"
+
+    def test_show_builtin(self) -> None:
+        example = extract_node(
+            '''
+            class CustomError(Exception):
+                """docstring"""
+            '''
+        )
+
+        config = PyreverseConfig()
+        dd_gen = DiaDefGenerator(Linker(PROJECT), DiadefsHandler(config))
+
+        # Default behavior
+        assert not list(dd_gen.get_ancestors(example, 1))
+
+        # Show builtin enabled
+        config.show_builtin = True
+        ancestors = list(dd_gen.get_ancestors(example, 1))
+        assert len(ancestors) == 1
+        assert ancestors[0].name == "Exception"
+
+
 class TestDefaultDiadefGenerator:
     _should_rels = [
         ("aggregation", "DoNothing2", "Specialization"),
diff --git a/tests/pyreverse/test_main.py b/tests/pyreverse/test_main.py
index 86401e05b..564394abb 100644
--- a/tests/pyreverse/test_main.py
+++ b/tests/pyreverse/test_main.py
@@ -138,6 +138,7 @@ def test_graphviz_unsupported_image_format(capsys: CaptureFixture) -> None:
         ("show_associated", None),
         ("all_associated", None),
         ("show_builtin", 0),
+        ("show_stdlib", 0),
         ("module_names", None),
         ("output_format", "dot"),
         ("colorized", 0),
diff --git a/tests/pyreverse/test_writer.py b/tests/pyreverse/test_writer.py
index 805f8fab5..c5a78d383 100644
--- a/tests/pyreverse/test_writer.py
+++ b/tests/pyreverse/test_writer.py
@@ -32,6 +32,7 @@ _DEFAULTS = {
     "all_associated": None,
     "mode": "PUB_ONLY",
     "show_builtin": False,
+    "show_stdlib": False,
     "only_classnames": False,
     "output_directory": "",
 }