edtlib: test filters set by including bindings

Make sure filters set by property-allowlist and property-blocklist
in an including binding are recursively applied to included bindings.

Signed-off-by: Christophe Dufaza <chris@openmarl.org>

scripts/dts/python-devicetree/tests/test-bindings-include/inc-base.yaml

@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: BSD-3-Clause
+
+include: base.yaml

scripts/dts/python-devicetree/tests/test-bindings-include/top-allows.yaml

@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: BSD-3-Clause
+
+description: Test property-allowlist filters set by including bindings
+
+compatible: "top-allowlist"
+
+include:
+  - name: inc-base.yaml
+    property-allowlist:
+      - x

scripts/dts/python-devicetree/tests/test-bindings-include/top-blocks.yaml

@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: BSD-3-Clause
+
+description: Test property-blocklist filters set by including bindings.
+
+compatible: "top-blocklist"
+
+include:
+  - name: inc-base.yaml
+    property-blocklist:
+      - x

scripts/dts/python-devicetree/tests/test_edtlib.py

@@ -378,6 +378,23 @@ def test_include_paths():
         assert 'base.yaml' == os.path.basename(top.prop2specs["y"].path)
         assert 'top.yaml' == os.path.basename(top.prop2specs["p"].path)
 
+def test_include_filters_included_bindings():
+    '''Test filters set by including bindings.'''
+    fname2path = {'base.yaml': 'test-bindings-include/base.yaml',
+                  'inc-base.yaml': 'test-bindings-include/inc-base.yaml'}
+
+    with from_here():
+        top_allows = edtlib.Binding('test-bindings-include/top-allows.yaml', fname2path)
+    assert top_allows.prop2specs.get("x")
+    assert not top_allows.prop2specs.get("y")
+
+    with from_here():
+        top_blocks = edtlib.Binding('test-bindings-include/top-blocks.yaml', fname2path)
+    assert not top_blocks.prop2specs.get("x")
+    assert top_blocks.prop2specs.get("y")
+
+
+
 def test_bus():
     '''Test 'bus:' and 'on-bus:' in bindings'''
     with from_here():