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poky/bitbake/lib/bb/tests/parse.py
Yoann Congal a68fb2be37 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>
2025-01-14 09:51:45 +00:00

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#
# BitBake Test for lib/bb/parse/
#
# Copyright (C) 2015 Richard Purdie
#
# SPDX-License-Identifier: GPL-2.0-only
#
import unittest
import tempfile
import logging
import bb
import os
logger = logging.getLogger('BitBake.TestParse')
import bb.parse
import bb.data
import bb.siggen
class ParseTest(unittest.TestCase):
testfile = """
A = "1"
B = "2"
do_install() {
echo "hello"
}
C = "3"
"""
def setUp(self):
self.origdir = os.getcwd()
self.d = bb.data.init()
bb.parse.siggen = bb.siggen.init(self.d)
def tearDown(self):
os.chdir(self.origdir)
def parsehelper(self, content, suffix = ".bb"):
f = tempfile.NamedTemporaryFile(suffix = suffix)
f.write(bytes(content, "utf-8"))
f.flush()
os.chdir(os.path.dirname(f.name))
return f
def test_parse_simple(self):
f = self.parsehelper(self.testfile)
d = bb.parse.handle(f.name, self.d)['']
self.assertEqual(d.getVar("A"), "1")
self.assertEqual(d.getVar("B"), "2")
self.assertEqual(d.getVar("C"), "3")
def test_parse_incomplete_function(self):
testfileB = self.testfile.replace("}", "")
f = self.parsehelper(testfileB)
with self.assertRaises(bb.parse.ParseError):
d = bb.parse.handle(f.name, self.d)['']
unsettest = """
A = "1"
B = "2"
B[flag] = "3"
unset A
unset B[flag]
"""
def test_parse_unset(self):
f = self.parsehelper(self.unsettest)
d = bb.parse.handle(f.name, self.d)['']
self.assertEqual(d.getVar("A"), None)
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"
export C
exportD = "d"
"""
def test_parse_exports(self):
f = self.parsehelper(self.exporttest)
d = bb.parse.handle(f.name, self.d)['']
self.assertEqual(d.getVar("A"), "a")
self.assertIsNone(d.getVarFlag("A", "export"))
self.assertEqual(d.getVar("B"), "b")
self.assertEqual(d.getVarFlag("B", "export"), 1)
self.assertIsNone(d.getVar("C"))
self.assertEqual(d.getVarFlag("C", "export"), 1)
self.assertIsNone(d.getVar("D"))
self.assertIsNone(d.getVarFlag("D", "export"))
self.assertEqual(d.getVar("exportD"), "d")
self.assertIsNone(d.getVarFlag("exportD", "export"))
overridetest = """
RRECOMMENDS:${PN} = "a"
RRECOMMENDS:${PN}:libc = "b"
OVERRIDES = "libc:${PN}"
PN = "gtk+"
"""
def test_parse_overrides(self):
f = self.parsehelper(self.overridetest)
d = bb.parse.handle(f.name, self.d)['']
self.assertEqual(d.getVar("RRECOMMENDS"), "b")
bb.data.expandKeys(d)
self.assertEqual(d.getVar("RRECOMMENDS"), "b")
d.setVar("RRECOMMENDS:gtk+", "c")
self.assertEqual(d.getVar("RRECOMMENDS"), "c")
overridetest2 = """
EXTRA_OECONF = ""
EXTRA_OECONF:class-target = "b"
EXTRA_OECONF:append = " c"
"""
def test_parse_overrides2(self):
f = self.parsehelper(self.overridetest2)
d = bb.parse.handle(f.name, self.d)['']
d.appendVar("EXTRA_OECONF", " d")
d.setVar("OVERRIDES", "class-target")
self.assertEqual(d.getVar("EXTRA_OECONF"), "b c d")
overridetest3 = """
DESCRIPTION = "A"
DESCRIPTION:${PN}-dev = "${DESCRIPTION} B"
PN = "bc"
"""
def test_parse_combinations(self):
f = self.parsehelper(self.overridetest3)
d = bb.parse.handle(f.name, self.d)['']
bb.data.expandKeys(d)
self.assertEqual(d.getVar("DESCRIPTION:bc-dev"), "A B")
d.setVar("DESCRIPTION", "E")
d.setVar("DESCRIPTION:bc-dev", "C D")
d.setVar("OVERRIDES", "bc-dev")
self.assertEqual(d.getVar("DESCRIPTION"), "C D")
classextend = """
VAR_var:override1 = "B"
EXTRA = ":override1"
OVERRIDES = "nothing${EXTRA}"
BBCLASSEXTEND = "###CLASS###"
"""
classextend_bbclass = """
EXTRA = ""
python () {
d.renameVar("VAR_var", "VAR_var2")
}
"""
#
# Test based upon a real world data corruption issue. One
# data store changing a variable poked through into a different data
# store. This test case replicates that issue where the value 'B' would
# become unset/disappear.
#
def test_parse_classextend_contamination(self):
self.d.setVar("__bbclasstype", "recipe")
cls = self.parsehelper(self.classextend_bbclass, suffix=".bbclass")
#clsname = os.path.basename(cls.name).replace(".bbclass", "")
self.classextend = self.classextend.replace("###CLASS###", cls.name)
f = self.parsehelper(self.classextend)
alldata = bb.parse.handle(f.name, self.d)
d1 = alldata['']
d2 = alldata[cls.name]
self.assertEqual(d1.getVar("VAR_var"), "B")
self.assertEqual(d2.getVar("VAR_var"), None)
addtask_deltask = """
addtask do_patch after do_foo after do_unpack before do_configure before do_compile
addtask do_fetch2 do_patch2
addtask do_myplaintask
addtask do_myplaintask2
deltask do_myplaintask2
addtask do_mytask# comment
addtask do_mytask2 # comment2
addtask do_mytask3
deltask do_mytask3# comment
deltask do_mytask4 # comment2
# Ensure a missing task prefix on after works
addtask do_mytask5 after mytask
MYVAR = "do_patch"
EMPTYVAR = ""
deltask do_fetch ${MYVAR} ${EMPTYVAR}
deltask ${EMPTYVAR}
"""
def test_parse_addtask_deltask(self):
f = self.parsehelper(self.addtask_deltask)
d = bb.parse.handle(f.name, self.d)['']
self.assertSequenceEqual(['do_fetch2', 'do_patch2', 'do_myplaintask', 'do_mytask', 'do_mytask2', 'do_mytask5'], bb.build.listtasks(d))
self.assertEqual(['do_mytask'], d.getVarFlag("do_mytask5", "deps"))
broken_multiline_comment = """
# First line of comment \\
# Second line of comment \\
"""
def test_parse_broken_multiline_comment(self):
f = self.parsehelper(self.broken_multiline_comment)
with self.assertRaises(bb.BBHandledException):
d = bb.parse.handle(f.name, self.d)['']
comment_in_var = """
VAR = " \\
SOMEVAL \\
# some comment \\
SOMEOTHERVAL \\
"
"""
def test_parse_comment_in_var(self):
f = self.parsehelper(self.comment_in_var)
with self.assertRaises(bb.BBHandledException):
d = bb.parse.handle(f.name, self.d)['']
at_sign_in_var_flag = """
A[flag@.service] = "nonet"
B[flag@.target] = "ntb"
C[f] = "flag"
unset A[flag@.service]
"""
def test_parse_at_sign_in_var_flag(self):
f = self.parsehelper(self.at_sign_in_var_flag)
d = bb.parse.handle(f.name, self.d)['']
self.assertEqual(d.getVar("A"), None)
self.assertEqual(d.getVar("B"), None)
self.assertEqual(d.getVarFlag("A","flag@.service"), None)
self.assertEqual(d.getVarFlag("B","flag@.target"), "ntb")
self.assertEqual(d.getVarFlag("C","f"), "flag")
def test_parse_invalid_at_sign_in_var_flag(self):
invalid_at_sign = self.at_sign_in_var_flag.replace("B[f", "B[@f")
f = self.parsehelper(invalid_at_sign)
with self.assertRaises(bb.parse.ParseError):
d = bb.parse.handle(f.name, self.d)['']
export_function_recipe = """
inherit someclass
"""
export_function_recipe2 = """
inherit someclass
do_compile () {
false
}
python do_compilepython () {
bb.note("Something else")
}
"""
export_function_class = """
someclass_do_compile() {
true
}
python someclass_do_compilepython () {
bb.note("Something")
}
EXPORT_FUNCTIONS do_compile do_compilepython
"""
export_function_class2 = """
secondclass_do_compile() {
true
}
python secondclass_do_compilepython () {
bb.note("Something")
}
EXPORT_FUNCTIONS do_compile do_compilepython
"""
def test_parse_export_functions(self):
def check_function_flags(d):
self.assertEqual(d.getVarFlag("do_compile", "func"), 1)
self.assertEqual(d.getVarFlag("do_compilepython", "func"), 1)
self.assertEqual(d.getVarFlag("do_compile", "python"), None)
self.assertEqual(d.getVarFlag("do_compilepython", "python"), "1")
with tempfile.TemporaryDirectory() as tempdir:
self.d.setVar("__bbclasstype", "recipe")
recipename = tempdir + "/recipe.bb"
os.makedirs(tempdir + "/classes")
with open(tempdir + "/classes/someclass.bbclass", "w") as f:
f.write(self.export_function_class)
f.flush()
with open(tempdir + "/classes/secondclass.bbclass", "w") as f:
f.write(self.export_function_class2)
f.flush()
with open(recipename, "w") as f:
f.write(self.export_function_recipe)
f.flush()
os.chdir(tempdir)
d = bb.parse.handle(recipename, bb.data.createCopy(self.d))['']
self.assertIn("someclass_do_compile", d.getVar("do_compile"))
self.assertIn("someclass_do_compilepython", d.getVar("do_compilepython"))
check_function_flags(d)
recipename2 = tempdir + "/recipe2.bb"
with open(recipename2, "w") as f:
f.write(self.export_function_recipe2)
f.flush()
d = bb.parse.handle(recipename2, bb.data.createCopy(self.d))['']
self.assertNotIn("someclass_do_compile", d.getVar("do_compile"))
self.assertNotIn("someclass_do_compilepython", d.getVar("do_compilepython"))
self.assertIn("false", d.getVar("do_compile"))
self.assertIn("else", d.getVar("do_compilepython"))
check_function_flags(d)
with open(recipename, "a+") as f:
f.write("\ninherit secondclass\n")
f.flush()
with open(recipename2, "a+") as f:
f.write("\ninherit secondclass\n")
f.flush()
d = bb.parse.handle(recipename, bb.data.createCopy(self.d))['']
self.assertIn("secondclass_do_compile", d.getVar("do_compile"))
self.assertIn("secondclass_do_compilepython", d.getVar("do_compilepython"))
check_function_flags(d)
d = bb.parse.handle(recipename2, bb.data.createCopy(self.d))['']
self.assertNotIn("someclass_do_compile", d.getVar("do_compile"))
self.assertNotIn("someclass_do_compilepython", d.getVar("do_compilepython"))
self.assertIn("false", d.getVar("do_compile"))
self.assertIn("else", d.getVar("do_compilepython"))
check_function_flags(d)
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