1import os
2
3import infra.basetest
4
5
6class TestSquashfs(infra.basetest.BRTest):
7    config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
8        """
9        BR2_TARGET_ROOTFS_SQUASHFS=y
10        BR2_TARGET_ROOTFS_SQUASHFS4_LZO=y
11        # BR2_TARGET_ROOTFS_TAR is not set
12        """
13    expected_blocksize_in_bytes = 128*1024
14
15    def test_run(self):
16        unsquashfs_cmd = ["host/bin/unsquashfs", "-s", "images/rootfs.squashfs"]
17        out = infra.run_cmd_on_host(self.builddir, unsquashfs_cmd)
18        out = out.splitlines()
19        self.assertEqual(out[0],
20                         "Found a valid SQUASHFS 4:0 superblock on images/rootfs.squashfs.")
21        self.assertEqual(out[3], "Compression lzo")
22        self.assertEqual(out[4], "Block size {}".format(self.expected_blocksize_in_bytes))
23
24        img = os.path.join(self.builddir, "images", "rootfs.squashfs")
25        infra.img_round_power2(img)
26
27        self.emulator.boot(arch="armv7",
28                           kernel="builtin",
29                           kernel_cmdline=["root=/dev/mmcblk0",
30                                           "rootfstype=squashfs"],
31                           options=["-drive", "file={},if=sd,format=raw".format(img)])
32        self.emulator.login()
33
34        cmd = "mount | grep '/dev/root on / type squashfs'"
35        self.assertRunOk(cmd)
36
37
38class TestSquashfsMinBlocksize(TestSquashfs):
39    config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
40        """
41        BR2_TARGET_ROOTFS_SQUASHFS=y
42        BR2_TARGET_ROOTFS_SQUASHFS_BS_4K=y
43        BR2_TARGET_ROOTFS_SQUASHFS4_LZO=y
44        # BR2_TARGET_ROOTFS_TAR is not set
45        """
46    expected_blocksize_in_bytes = 4*1024
47
48
49class TestSquashfsMaxBlocksize(TestSquashfs):
50    config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
51        """
52        BR2_TARGET_ROOTFS_SQUASHFS=y
53        BR2_TARGET_ROOTFS_SQUASHFS_BS_1024K=y
54        BR2_TARGET_ROOTFS_SQUASHFS4_LZO=y
55        # BR2_TARGET_ROOTFS_TAR is not set
56        """
57    expected_blocksize_in_bytes = 1024*1024
58