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@@ -47,9 +47,9 @@ C = "3"
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self.d = bb.data.init()
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bb.parse.siggen = bb.siggen.init(self.d)
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- def parsehelper(self, content):
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+ def parsehelper(self, content, suffix = ".bb"):
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- f = tempfile.NamedTemporaryFile(suffix = ".bb")
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+ f = tempfile.NamedTemporaryFile(suffix = suffix)
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f.write(content)
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f.flush()
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os.chdir(os.path.dirname(f.name))
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@@ -113,3 +113,35 @@ PN = "bc"
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d.setVar("OVERRIDES", "bc-dev")
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self.assertEqual(d.getVar("DESCRIPTION", True), "C D")
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+
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+ classextend = """
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+VAR_var_override1 = "B"
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+EXTRA = ":override1"
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+OVERRIDES = "nothing${EXTRA}"
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+
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+BBCLASSEXTEND = "###CLASS###"
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+"""
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+ classextend_bbclass = """
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+EXTRA = ""
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+python () {
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+ d.renameVar("VAR_var", "VAR_var2")
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+}
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+"""
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+
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+ #
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+ # Test based upon a real world data corruption issue. One
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+ # data store changing a variable poked through into a different data
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+ # store. This test case replicates that issue where the value 'B' would
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+ # become unset/disappear.
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+ #
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+ def test_parse_classextend_contamination(self):
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+ cls = self.parsehelper(self.classextend_bbclass, suffix=".bbclass")
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+ #clsname = os.path.basename(cls.name).replace(".bbclass", "")
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+ self.classextend = self.classextend.replace("###CLASS###", cls.name)
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+ f = self.parsehelper(self.classextend)
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+ alldata = bb.parse.handle(f.name, self.d)
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+ d1 = alldata['']
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+ d2 = alldata[cls.name]
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+ self.assertEqual(d1.getVar("VAR_var", True), "B")
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+ self.assertEqual(d2.getVar("VAR_var", True), None)
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+
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