parse.py 4.3 KB

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  1. # ex:ts=4:sw=4:sts=4:et
  2. # -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
  3. #
  4. # BitBake Test for lib/bb/parse/
  5. #
  6. # Copyright (C) 2015 Richard Purdie
  7. #
  8. # This program is free software; you can redistribute it and/or modify
  9. # it under the terms of the GNU General Public License version 2 as
  10. # published by the Free Software Foundation.
  11. #
  12. # This program is distributed in the hope that it will be useful,
  13. # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15. # GNU General Public License for more details.
  16. #
  17. # You should have received a copy of the GNU General Public License along
  18. # with this program; if not, write to the Free Software Foundation, Inc.,
  19. # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20. #
  21. import unittest
  22. import tempfile
  23. import logging
  24. import bb
  25. import os
  26. logger = logging.getLogger('BitBake.TestParse')
  27. import bb.parse
  28. import bb.data
  29. import bb.siggen
  30. class ParseTest(unittest.TestCase):
  31. testfile = """
  32. A = "1"
  33. B = "2"
  34. do_install() {
  35. echo "hello"
  36. }
  37. C = "3"
  38. """
  39. def setUp(self):
  40. self.d = bb.data.init()
  41. bb.parse.siggen = bb.siggen.init(self.d)
  42. def parsehelper(self, content, suffix = ".bb"):
  43. f = tempfile.NamedTemporaryFile(suffix = suffix)
  44. f.write(bytes(content, "utf-8"))
  45. f.flush()
  46. os.chdir(os.path.dirname(f.name))
  47. return f
  48. def test_parse_simple(self):
  49. f = self.parsehelper(self.testfile)
  50. d = bb.parse.handle(f.name, self.d)['']
  51. self.assertEqual(d.getVar("A", True), "1")
  52. self.assertEqual(d.getVar("B", True), "2")
  53. self.assertEqual(d.getVar("C", True), "3")
  54. def test_parse_incomplete_function(self):
  55. testfileB = self.testfile.replace("}", "")
  56. f = self.parsehelper(testfileB)
  57. with self.assertRaises(bb.parse.ParseError):
  58. d = bb.parse.handle(f.name, self.d)['']
  59. overridetest = """
  60. RRECOMMENDS_${PN} = "a"
  61. RRECOMMENDS_${PN}_libc = "b"
  62. OVERRIDES = "libc:${PN}"
  63. PN = "gtk+"
  64. """
  65. def test_parse_overrides(self):
  66. f = self.parsehelper(self.overridetest)
  67. d = bb.parse.handle(f.name, self.d)['']
  68. self.assertEqual(d.getVar("RRECOMMENDS", True), "b")
  69. bb.data.expandKeys(d)
  70. self.assertEqual(d.getVar("RRECOMMENDS", True), "b")
  71. d.setVar("RRECOMMENDS_gtk+", "c")
  72. self.assertEqual(d.getVar("RRECOMMENDS", True), "c")
  73. overridetest2 = """
  74. EXTRA_OECONF = ""
  75. EXTRA_OECONF_class-target = "b"
  76. EXTRA_OECONF_append = " c"
  77. """
  78. def test_parse_overrides(self):
  79. f = self.parsehelper(self.overridetest2)
  80. d = bb.parse.handle(f.name, self.d)['']
  81. d.appendVar("EXTRA_OECONF", " d")
  82. d.setVar("OVERRIDES", "class-target")
  83. self.assertEqual(d.getVar("EXTRA_OECONF", True), "b c d")
  84. overridetest3 = """
  85. DESCRIPTION = "A"
  86. DESCRIPTION_${PN}-dev = "${DESCRIPTION} B"
  87. PN = "bc"
  88. """
  89. def test_parse_combinations(self):
  90. f = self.parsehelper(self.overridetest3)
  91. d = bb.parse.handle(f.name, self.d)['']
  92. bb.data.expandKeys(d)
  93. self.assertEqual(d.getVar("DESCRIPTION_bc-dev", True), "A B")
  94. d.setVar("DESCRIPTION", "E")
  95. d.setVar("DESCRIPTION_bc-dev", "C D")
  96. d.setVar("OVERRIDES", "bc-dev")
  97. self.assertEqual(d.getVar("DESCRIPTION", True), "C D")
  98. classextend = """
  99. VAR_var_override1 = "B"
  100. EXTRA = ":override1"
  101. OVERRIDES = "nothing${EXTRA}"
  102. BBCLASSEXTEND = "###CLASS###"
  103. """
  104. classextend_bbclass = """
  105. EXTRA = ""
  106. python () {
  107. d.renameVar("VAR_var", "VAR_var2")
  108. }
  109. """
  110. #
  111. # Test based upon a real world data corruption issue. One
  112. # data store changing a variable poked through into a different data
  113. # store. This test case replicates that issue where the value 'B' would
  114. # become unset/disappear.
  115. #
  116. def test_parse_classextend_contamination(self):
  117. cls = self.parsehelper(self.classextend_bbclass, suffix=".bbclass")
  118. #clsname = os.path.basename(cls.name).replace(".bbclass", "")
  119. self.classextend = self.classextend.replace("###CLASS###", cls.name)
  120. f = self.parsehelper(self.classextend)
  121. alldata = bb.parse.handle(f.name, self.d)
  122. d1 = alldata['']
  123. d2 = alldata[cls.name]
  124. self.assertEqual(d1.getVar("VAR_var", True), "B")
  125. self.assertEqual(d2.getVar("VAR_var", True), None)