[Mod] First commit

support/testing/tests/fs/test_ext.py

@@ -0,0 +1,124 @@
+import os
+
+import infra.basetest
+
+VOLNAME_PROP = "Filesystem volume name"
+REVISION_PROP = "Filesystem revision #"
+FEATURES_PROP = "Filesystem features"
+BLOCKCNT_PROP = "Block count"
+INODECNT_PROP = "Inode count"
+RESBLKCNT_PROP = "Reserved block count"
+
+CHECK_FS_TYPE_CMD = "mount | grep '/dev/root on / type {}'"
+
+
+def dumpe2fs_run(builddir, image):
+    cmd = ["host/sbin/dumpe2fs", os.path.join("images", image)]
+    ret = infra.run_cmd_on_host(builddir, cmd)
+    return ret.strip().splitlines()
+
+
+def dumpe2fs_getprop(out, prop):
+    for line in out:
+        fields = line.split(": ")
+        if fields[0] == prop:
+            return fields[1].strip()
+
+
+def boot_img_and_check_fs_type(emulator, builddir, fs_type):
+    img = os.path.join(builddir, "images", "rootfs.{}".format(fs_type))
+    emulator.boot(arch="armv7",
+                  kernel="builtin",
+                  kernel_cmdline=["root=/dev/mmcblk0",
+                                  "rootfstype={}".format(fs_type)],
+                  options=["-drive", "file={},if=sd,format=raw".format(img)])
+    emulator.login()
+    _, exit_code = emulator.run(CHECK_FS_TYPE_CMD.format(fs_type))
+    return exit_code
+
+
+class TestExt2(infra.basetest.BRTest):
+    config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
+        """
+        BR2_TARGET_ROOTFS_EXT2=y
+        BR2_TARGET_ROOTFS_EXT2_2r0=y
+        BR2_TARGET_ROOTFS_EXT2_LABEL="foobaz"
+        BR2_TARGET_ROOTFS_EXT2_SIZE="16384"
+        # BR2_TARGET_ROOTFS_TAR is not set
+        """
+
+    def test_run(self):
+        out = dumpe2fs_run(self.builddir, "rootfs.ext2")
+        self.assertEqual(dumpe2fs_getprop(out, VOLNAME_PROP), "foobaz")
+        self.assertEqual(dumpe2fs_getprop(out, REVISION_PROP), "0 (original)")
+
+        exit_code = boot_img_and_check_fs_type(self.emulator,
+                                               self.builddir, "ext2")
+        self.assertEqual(exit_code, 0)
+
+
+class TestExt2r1(infra.basetest.BRTest):
+    config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
+        """
+        BR2_TARGET_ROOTFS_EXT2=y
+        BR2_TARGET_ROOTFS_EXT2_2r1=y
+        BR2_TARGET_ROOTFS_EXT2_LABEL="foobar"
+        BR2_TARGET_ROOTFS_EXT2_SIZE="16384"
+        # BR2_TARGET_ROOTFS_TAR is not set
+        """
+
+    def test_run(self):
+        out = dumpe2fs_run(self.builddir, "rootfs.ext2")
+        self.assertEqual(dumpe2fs_getprop(out, VOLNAME_PROP), "foobar")
+        self.assertEqual(dumpe2fs_getprop(out, REVISION_PROP), "1 (dynamic)")
+        self.assertNotIn("has_journal", dumpe2fs_getprop(out, FEATURES_PROP))
+
+        exit_code = boot_img_and_check_fs_type(self.emulator,
+                                               self.builddir, "ext2")
+        self.assertEqual(exit_code, 0)
+
+
+class TestExt3(infra.basetest.BRTest):
+    config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
+        """
+        BR2_TARGET_ROOTFS_EXT2=y
+        BR2_TARGET_ROOTFS_EXT2_3=y
+        BR2_TARGET_ROOTFS_EXT2_SIZE="16384"
+        # BR2_TARGET_ROOTFS_TAR is not set
+        """
+
+    def test_run(self):
+        out = dumpe2fs_run(self.builddir, "rootfs.ext3")
+        self.assertEqual(dumpe2fs_getprop(out, REVISION_PROP), "1 (dynamic)")
+        self.assertIn("has_journal", dumpe2fs_getprop(out, FEATURES_PROP))
+        self.assertNotIn("extent", dumpe2fs_getprop(out, FEATURES_PROP))
+
+        exit_code = boot_img_and_check_fs_type(self.emulator,
+                                               self.builddir, "ext3")
+        self.assertEqual(exit_code, 0)
+
+
+class TestExt4(infra.basetest.BRTest):
+    config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
+        """
+        BR2_TARGET_ROOTFS_EXT2=y
+        BR2_TARGET_ROOTFS_EXT2_4=y
+        BR2_TARGET_ROOTFS_EXT2_SIZE="16384"
+        BR2_TARGET_ROOTFS_EXT2_INODES=3000
+        BR2_TARGET_ROOTFS_EXT2_RESBLKS=10
+        # BR2_TARGET_ROOTFS_TAR is not set
+        """
+
+    def test_run(self):
+        out = dumpe2fs_run(self.builddir, "rootfs.ext4")
+        self.assertEqual(dumpe2fs_getprop(out, REVISION_PROP), "1 (dynamic)")
+        self.assertEqual(dumpe2fs_getprop(out, BLOCKCNT_PROP), "16384")
+        # Yes there are 8 fewer inodes than requested
+        self.assertEqual(dumpe2fs_getprop(out, INODECNT_PROP), "2992")
+        self.assertEqual(dumpe2fs_getprop(out, RESBLKCNT_PROP), "1638")
+        self.assertIn("has_journal", dumpe2fs_getprop(out, FEATURES_PROP))
+        self.assertIn("extent", dumpe2fs_getprop(out, FEATURES_PROP))
+
+        exit_code = boot_img_and_check_fs_type(self.emulator,
+                                               self.builddir, "ext4")
+        self.assertEqual(exit_code, 0)