binman: test: assert optional blobs don't cause non-functionality

When external blobs are marked optional, they should not cause a
build to fail. Extend the test cases for FitTeeOsOptional and
ExtblobOptional.

Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Yannic Moog <y.moog@phytec.de>
Reviewed-by: Bryan Brattlof <bb@ti.com>

1 files changed, 16 insertions, 0 deletions

diff --git a/tools/binman/ftest.py b/tools/binman/ftest.py
index 32e1e0a14c0..bedfcb53c48 100644
--- a/tools/binman/ftest.py
+++ b/tools/binman/ftest.py
@@ -6518,6 +6518,9 @@ fdt         fdtmap                Extract the devicetree blob from the fdtmap
         self.assertRegex(
             err,
             "Image '.*' is missing optional external blobs but is still functional: tee-os")
+        self.assertNotRegex(
+            err,
+            "Image '.*' has faked external blobs and is non-functional: tee-os")
 
     def testFitTeeOsOptionalFitBad(self):
         """Test an image with a FIT with an optional OP-TEE binary"""
@@ -6551,6 +6554,19 @@ fdt         fdtmap                Extract the devicetree blob from the fdtmap
         self.assertEqual(REFCODE_DATA, data)
         self.assertNotIn(MISSING_DATA, data)
 
+    def testExtblobFakedOptional(self):
+        """Test an image with an external blob that is optional"""
+        with terminal.capture() as (stdout, stderr):
+            data = self._DoReadFile('266_blob_ext_opt.dts')
+        self.assertEqual(REFCODE_DATA, data)
+        err = stderr.getvalue()
+        self.assertRegex(
+            err,
+            "Image '.*' is missing optional external blobs but is still functional: missing")
+        self.assertNotRegex(
+            err,
+            "Image '.*' has faked external blobs and is non-functional: missing")
+
     def testSectionInner(self):
         """Test an inner section with a size"""
         data = self._DoReadFile('267_section_inner.dts')