import os
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from oeqa.selftest.case import OESelftestTestCase
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from oeqa.utils.commands import runCmd, get_bb_var
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from oeqa.utils.git import GitRepo
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class KernelDev(OESelftestTestCase):
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@classmethod
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def setUpClass(cls):
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super(KernelDev, cls).setUpClass()
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# Create the recipe directory structure inside the created layer
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cls.layername = 'meta-kerneltest'
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runCmd('bitbake-layers create-layer %s' % cls.layername)
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runCmd('mkdir -p %s/recipes-kernel/linux/linux-yocto' % cls.layername)
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cls.recipes_linuxyocto_dir = os.path.join \
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(cls.builddir, cls.layername, 'recipes-kernel', 'linux', 'linux-yocto')
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cls.recipeskernel_dir = os.path.dirname(cls.recipes_linuxyocto_dir)
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runCmd('bitbake-layers add-layer %s' % cls.layername)
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@classmethod
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def tearDownClass(cls):
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runCmd('bitbake-layers remove-layer %s' % cls.layername, ignore_status=True)
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runCmd('rm -rf %s' % cls.layername)
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super(KernelDev, cls).tearDownClass()
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def setUp(self):
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super(KernelDev, self).setUp()
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self.set_machine_config('MACHINE = "qemux86-64"\n')
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def test_apply_patches(self):
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"""
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Summary: Able to apply a single patch to the Linux kernel source
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Expected: The README file should exist and the patch changes should be
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displayed at the end of the file.
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Product: Kernel Development
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Author: Yeoh Ee Peng <ee.peng.yeoh@intel.com>
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AutomatedBy: Mazliana Mohamad <mazliana.mohamad@intel.com>
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"""
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runCmd('bitbake virtual/kernel -c patch')
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kernel_source = get_bb_var('STAGING_KERNEL_DIR')
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readme = os.path.join(kernel_source, 'README')
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# This test step adds modified file 'README' to git and creates a
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# patch file '0001-KERNEL_DEV_TEST_CASE.patch' at the same location as file
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patch_content = 'This is a test to apply a patch to the kernel'
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with open(readme, 'a+') as f:
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f.write(patch_content)
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repo = GitRepo('%s' % kernel_source, is_topdir=True)
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repo.run_cmd('add %s' % readme)
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repo.run_cmd(['commit', '-m', 'KERNEL_DEV_TEST_CASE'])
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repo.run_cmd(['format-patch', '-1'])
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patch_name = '0001-KERNEL_DEV_TEST_CASE.patch'
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patchpath = os.path.join(kernel_source, patch_name)
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runCmd('mv %s %s' % (patchpath, self.recipes_linuxyocto_dir))
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runCmd('rm %s ' % readme)
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self.assertFalse(os.path.exists(readme))
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recipe_append = os.path.join(self.recipeskernel_dir, 'linux-yocto_%.bbappend')
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with open(recipe_append, 'w+') as fh:
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fh.write('SRC_URI += "file://%s"\n' % patch_name)
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fh.write('FILESEXTRAPATHS:prepend := "${THISDIR}/${PN}:"')
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runCmd('bitbake virtual/kernel -c clean')
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runCmd('bitbake virtual/kernel -c patch')
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self.assertTrue(os.path.exists(readme))
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result = runCmd('tail -n 1 %s' % readme)
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self.assertEqual(result.output, patch_content)
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