import os
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import subprocess
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import infra.basetest
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class TestSquashfs(infra.basetest.BRTest):
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config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
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"""
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BR2_TARGET_ROOTFS_SQUASHFS=y
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# BR2_TARGET_ROOTFS_SQUASHFS4_GZIP is not set
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BR2_TARGET_ROOTFS_SQUASHFS4_LZ4=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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unsquashfs_cmd = ["host/bin/unsquashfs", "-s", "images/rootfs.squashfs"]
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out = subprocess.check_output(unsquashfs_cmd,
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cwd=self.builddir,
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env={"LANG": "C"})
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out = out.splitlines()
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self.assertEqual(out[0],
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"Found a valid SQUASHFS 4:0 superblock on images/rootfs.squashfs.")
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self.assertEqual(out[3], "Compression lz4")
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img = os.path.join(self.builddir, "images", "rootfs.squashfs")
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subprocess.call(["truncate", "-s", "%1M", img])
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self.emulator.boot(arch="armv7",
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kernel="builtin",
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kernel_cmdline=["root=/dev/mmcblk0",
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"rootfstype=squashfs"],
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options=["-drive", "file={},if=sd,format=raw".format(img)])
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self.emulator.login()
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cmd = "mount | grep '/dev/root on / type squashfs'"
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_, exit_code = self.emulator.run(cmd)
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self.assertEqual(exit_code, 0)
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