bitbake: tests/parse: add test for ?= and ??= operators for variable flags

Run the test with:
 $ bitbake-selftest bb.tests.parse.ParseTest.test_parse_defaulttest
.
----------------------------------------------------------------------
Ran 1 test in 0.001s

OK

This is a test case for [YOCTO #15685]

(Bitbake rev: d12c80125d810df54379cc4f019a95ab9064ad2c)

Signed-off-by: Yoann Congal <yoann.congal@smile.fr>
Reviewed-by: Ghislain Mangé <ghislain.mange@smile.fr>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 53 insertions, 0 deletions

diff --git a/bitbake/lib/bb/tests/parse.py b/bitbake/lib/bb/tests/parse.py
index 56eb66be9f..935c85ac7c 100644
--- a/bitbake/lib/bb/tests/parse.py
+++ b/bitbake/lib/bb/tests/parse.py
@@ -75,6 +75,59 @@ unset B[flag]
         self.assertEqual(d.getVarFlag("A","flag"), None)
         self.assertEqual(d.getVar("B"), "2")
 
+    defaulttest = """
+A = "set value"
+A ??= "default value"
+
+A[flag_set_vs_question] = "set flag"
+A[flag_set_vs_question] ?= "question flag"
+
+A[flag_set_vs_default] = "set flag"
+A[flag_set_vs_default] ??= "default flag"
+
+A[flag_question] ?= "question flag"
+
+A[flag_default] ??= "default flag"
+
+A[flag_question_vs_default] ?= "question flag"
+A[flag_question_vs_default] ??= "default flag"
+
+A[flag_default_vs_question] ??= "default flag"
+A[flag_default_vs_question] ?= "question flag"
+
+A[flag_set_question_default] = "set flag"
+A[flag_set_question_default] ?= "question flag"
+A[flag_set_question_default] ??= "default flag"
+
+A[flag_set_default_question] = "set flag"
+A[flag_set_default_question] ??= "default flag"
+A[flag_set_default_question] ?= "question flag"
+
+A[flag_set_twice] = "set flag first"
+A[flag_set_twice] = "set flag second"
+
+A[flag_question_twice] ?= "question flag first"
+A[flag_question_twice] ?= "question flag second"
+
+A[flag_default_twice] ??= "default flag first"
+A[flag_default_twice] ??= "default flag second"
+"""
+    def test_parse_defaulttest(self):
+        f = self.parsehelper(self.defaulttest)
+        d = bb.parse.handle(f.name, self.d)['']
+        self.assertEqual(d.getVar("A"), "set value")
+        self.assertEqual(d.getVarFlag("A","flag_set_vs_question"), "set flag")
+        self.assertEqual(d.getVarFlag("A","flag_set_vs_default"), "set flag")
+        self.assertEqual(d.getVarFlag("A","flag_question"), "question flag")
+        self.assertEqual(d.getVarFlag("A","flag_default"), "default flag")
+        self.assertEqual(d.getVarFlag("A","flag_question_vs_default"), "question flag")
+        self.assertEqual(d.getVarFlag("A","flag_default_vs_question"), "question flag")
+        self.assertEqual(d.getVarFlag("A","flag_set_question_default"), "set flag")
+        self.assertEqual(d.getVarFlag("A","flag_set_default_question"), "set flag")
+        self.assertEqual(d.getVarFlag("A","flag_set_twice"), "set flag second")
+        self.assertEqual(d.getVarFlag("A","flag_question_twice"), "question flag first")
+        self.assertEqual(d.getVarFlag("A","flag_default_twice"), "default flag second")
+
     exporttest = """
 A = "a"
 export B = "b"