76 lines
2.6 KiB
Python
76 lines
2.6 KiB
Python
import os
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import infra.basetest
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class TestAttr(infra.basetest.BRTest):
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# Note: this test uses extended attributes (xattr). We use a ext4
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# rootfs (which fully supports xattrs). Note that tmpfs has
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# partial support of xattrs, and cpio initrd has not.
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config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
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"""
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BR2_PACKAGE_ATTR=y
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BR2_TARGET_ROOTFS_EXT2=y
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BR2_TARGET_ROOTFS_EXT2_4=y
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# BR2_TARGET_ROOTFS_TAR is not set
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"""
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def test_run(self):
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disk_file = os.path.join(self.builddir, "images", "rootfs.ext4")
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self.emulator.boot(arch="armv5",
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kernel="builtin",
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kernel_cmdline=["rootwait", "root=/dev/sda"],
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options=["-drive", f"file={disk_file},if=scsi,format=raw"])
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self.emulator.login()
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# Check the programs can execute.
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self.assertRunOk("getfattr --version")
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self.assertRunOk("setfattr --version")
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test_file = "/root/file.txt"
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attr_name = "buildroot"
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attr_value = "is-great"
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# Create a test file.
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self.assertRunOk(f"echo 'Hello Buildroot!' > {test_file}")
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# Set an extended attribute.
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cmd = f"setfattr -n user.{attr_name} -v {attr_value} {test_file}"
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self.assertRunOk(cmd)
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# Read back the attribute value. We add an extra "echo" to add
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# a new line. getfattr --only-values prints raw attribute
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# values and lack of a new line.
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cmd = "getfattr"
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cmd += f" -n user.{attr_name} --absolute-names --only-values"
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cmd += f" {test_file} && echo"
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out, ret = self.emulator.run(cmd)
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self.assertEqual(ret, 0)
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self.assertEqual(out[0], attr_value)
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# We read back the attribute value again, but with the "attr"
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# command this time.
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cmd = f"attr -q -g {attr_name} {test_file} && echo"
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out, ret = self.emulator.run(cmd)
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self.assertEqual(ret, 0)
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self.assertEqual(out[0], attr_value)
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# List extended attributes with "attr", and check we see our
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# test attribute.
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cmd = f"attr -l {test_file}"
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out, ret = self.emulator.run(cmd)
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self.assertEqual(ret, 0)
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self.assertIn(attr_name, "\n".join(out))
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# Remove the test attribute with setfattr.
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cmd = f"setfattr -x user.{attr_name} {test_file}"
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self.assertRunOk(cmd)
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# We check the test attribute is no longer listed by the attr
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# command.
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cmd = f"attr -l {test_file}"
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out, ret = self.emulator.run(cmd)
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self.assertEqual(ret, 0)
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self.assertNotIn(attr_name, "\n".join(out))
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