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* [gentoo-commits] repo/proj/guru:dev commit in: sys-boot/bmap-tools/, sys-boot/bmap-tools/files/
@ 2021-12-16  6:54 Marco Scardovi
  0 siblings, 0 replies; only message in thread
From: Marco Scardovi @ 2021-12-16  6:54 UTC (permalink / raw
  To: gentoo-commits

commit:     400cc02c10ad0f87f7f6c57669dc830134c482c3
Author:     Marco Scardovi <marco <AT> scardovi <DOT> com>
AuthorDate: Thu Dec 16 06:54:42 2021 +0000
Commit:     Marco Scardovi <marco <AT> scardovi <DOT> com>
CommitDate: Thu Dec 16 06:54:42 2021 +0000
URL:        https://gitweb.gentoo.org/repo/proj/guru.git/commit/?id=400cc02c

sys-boot/bmap-tools: fixed test!

Package-Manager: Portage-3.0.30, Repoman-3.0.3
Signed-off-by: Marco Scardovi <marco <AT> scardovi.com>

 sys-boot/bmap-tools/bmap-tools-3.6-r3.ebuild    |  31 +--
 sys-boot/bmap-tools/files/requirements-test.txt |   4 +
 sys-boot/bmap-tools/files/test_api_base.py      | 263 ++++++++++++++++++++++++
 sys-boot/bmap-tools/files/test_bmap_helpers.py  | 153 ++++++++++++++
 4 files changed, 439 insertions(+), 12 deletions(-)

diff --git a/sys-boot/bmap-tools/bmap-tools-3.6-r3.ebuild b/sys-boot/bmap-tools/bmap-tools-3.6-r3.ebuild
index de9030455..79a95fb74 100644
--- a/sys-boot/bmap-tools/bmap-tools-3.6-r3.ebuild
+++ b/sys-boot/bmap-tools/bmap-tools-3.6-r3.ebuild
@@ -18,23 +18,30 @@ LICENSE="GPL-2"
 SLOT="0"
 KEYWORDS="~amd64 ~x86"
 
-RESTRICT="test" # missing python slot fot backports-* packages
+RESTRICT="!test? ( test )"
 
 RDEPEND="dev-python/six"
 
-# leave it here until backports-* are ported into python3.9 and 10
-
-#DEPEND="
-#	${RDEPEND}
-#	test? (
-#		dev-python/backports-tempfile[${PYTHON_USEDEP}]
-#		dev-python/mock[${PYTHON_USEDEP}]
-#		dev-python/nose[${PYTHON_USEDEP}]
-#	)
-#"
+DEPEND="
+	${RDEPEND}
+	test? (
+		dev-python/mock[${PYTHON_USEDEP}]
+		dev-python/nose[${PYTHON_USEDEP}]
+	)
+"
+
+src_prepare() {
+	eapply_user
+	if use test; then
+		rm requirements-test.txt || die "Failed to remove old requirement-test.txt"
+		cp "${FILESDIR}"/requirements-test.txt ./ || die "Failed to copy new requirement-test.txt"
+		rm tests/{test_bmap_helpers,test_api_base}.py || die "Failed to remove broken tests"
+		cp "${FILESDIR}"/{test_bmap_helpers,test_api_base}.py tests/ || die "Failed to copy new tests"
+	fi
+}
 
 python_install_all() {
 	distutils-r1_python_install_all
 }
 
-#distutils_enable_tests nose
+distutils_enable_tests nose

diff --git a/sys-boot/bmap-tools/files/requirements-test.txt b/sys-boot/bmap-tools/files/requirements-test.txt
new file mode 100644
index 000000000..f83802da4
--- /dev/null
+++ b/sys-boot/bmap-tools/files/requirements-test.txt
@@ -0,0 +1,4 @@
+six
+nose
+backports.tempfile ; python_version < '3.2'
+mock ; python_version < '3.3'

diff --git a/sys-boot/bmap-tools/files/test_api_base.py b/sys-boot/bmap-tools/files/test_api_base.py
new file mode 100644
index 000000000..a4f289bb5
--- /dev/null
+++ b/sys-boot/bmap-tools/files/test_api_base.py
@@ -0,0 +1,263 @@
+# -*- coding: utf-8 -*-
+# vim: ts=4 sw=4 et ai si
+#
+# Copyright (c) 2012-2014 Intel, Inc.
+# License: GPLv2
+# Author: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License, version 2,
+# as published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+
+"""
+This test verifies the base bmap creation and copying API functionality. It
+generates a random sparse file, then creates a bmap fir this file and copies it
+to a different file using the bmap. Then it compares the original random sparse
+file and the copy and verifies that they are identical.
+"""
+
+# Disable the following pylint recommendations:
+#   * Too many public methods (R0904)
+#   * Too many local variables (R0914)
+#   * Too many statements (R0915)
+# pylint: disable=R0904
+# pylint: disable=R0914
+# pylint: disable=R0915
+
+import os
+import sys
+import tempfile
+import filecmp
+import subprocess
+from six.moves import zip_longest
+from tests import helpers
+from bmaptools import BmapHelpers, BmapCreate, Filemap
+
+# This is a work-around for Centos 6
+try:
+    import unittest2 as unittest  # pylint: disable=F0401
+except ImportError:
+    import unittest
+
+
+class Error(Exception):
+    """A class for exceptions generated by this test."""
+    pass
+
+
+def _compare_holes(file1, file2):
+    """
+    Make sure that files 'file1' and 'file2' have holes at the same places.
+    The 'file1' and 'file2' arguments may be full file paths or file objects.
+    """
+
+    filemap1 = Filemap.filemap(file1)
+    filemap2 = Filemap.filemap(file2)
+
+    iterator1 = filemap1.get_unmapped_ranges(0, filemap1.blocks_cnt)
+    iterator2 = filemap2.get_unmapped_ranges(0, filemap2.blocks_cnt)
+
+    iterator = zip_longest(iterator1, iterator2)
+    for range1, range2 in iterator:
+        if range1 != range2:
+            raise Error("mismatch for hole %d-%d, it is %d-%d in file2"
+                        % (range1[0], range1[1], range2[0], range2[1]))
+
+
+def _generate_compressed_files(file_path, delete=True):
+    """
+    This is a generator which yields compressed versions of a file
+    'file_path'.
+    The 'delete' argument specifies whether the compressed files that this
+    generator yields have to be automatically deleted.
+    """
+
+    # Make sure the temporary files start with the same name as 'file_obj' in
+    # order to simplify debugging.
+    prefix = os.path.splitext(os.path.basename(file_path))[0] + '.'
+    # Put the temporary files in the directory with 'file_obj'
+    directory = os.path.dirname(file_path)
+
+    compressors = [("bzip2",  None, ".bz2",   "-c -k"),
+                   ("pbzip2", None, ".p.bz2", "-c -k"),
+                   ("gzip",   None, ".gz",    "-c"),
+                   ("pigz",   None, ".p.gz",  "-c -k"),
+                   ("xz",     None, ".xz",    "-c -k"),
+                   ("lzop",   None, ".lzo",   "-c -k"),
+                   ("lz4",    None, ".lz4",   "-c -k"),
+                   ("zstd",   None, ".zst",   "-c -k"),
+                   # The "-P -C /" trick is used to avoid silly warnings:
+                   # "tar: Removing leading `/' from member names"
+                   ("bzip2", "tar", ".tar.bz2", "-c -j -O -P -C /"),
+                   ("gzip",  "tar", ".tar.gz",  "-c -z -O -P -C /"),
+                   ("xz",    "tar", ".tar.xz",  "-c -J -O -P -C /"),
+                   ("lzop",  "tar", ".tar.lzo", "-c --lzo -O -P -C /"),
+                   ("lz4",   "tar", ".tar.lz4", "-c -Ilz4 -O -P -C /"),
+                   ("zstd",  "tar", ".tar.zst", "-c -Izstd -O -P -C /"),
+                   ("zip",   None,  ".zip",     "-q -j -")]
+
+    for decompressor, archiver, suffix, options in compressors:
+        if not BmapHelpers.program_is_available(decompressor):
+            continue
+        if archiver and not BmapHelpers.program_is_available(archiver):
+            continue
+
+        tmp_file_obj = tempfile.NamedTemporaryFile('wb+', prefix=prefix,
+                                                   delete=delete, dir=directory,
+                                                   suffix=suffix)
+
+        if archiver:
+            args = archiver + " " + options + " " + file_path
+        else:
+            args = decompressor + " " + options + " " + file_path
+        child_process = subprocess.Popen(args, shell=True, stdout=tmp_file_obj)
+        child_process.wait()
+        tmp_file_obj.flush()
+        yield tmp_file_obj.name
+        tmp_file_obj.close()
+
+
+def _do_test(image, image_size, delete=True):
+    """
+    A basic test for the bmap creation and copying functionality. It first
+    generates a bmap for file 'image', and then copies the sparse file to a
+    different file, and then checks that the original file and the copy are
+    identical.
+    The 'image_size' argument is size of the image in bytes. The 'delete'
+    argument specifies whether the temporary files that this function creates
+    have to be automatically deleted.
+    """
+
+    try:
+        Filemap.filemap(image)
+    except Filemap.ErrorNotSupp as e:
+        sys.stderr.write('%s\n' % e)
+        return
+
+    # Make sure the temporary files start with the same name as 'image' in
+    # order to simplify debugging.
+    prefix = os.path.splitext(os.path.basename(image))[0] + '.'
+    # Put the temporary files in the directory with the image
+    directory = os.path.dirname(image)
+
+    # Create and open a temporary file for a copy of the image
+    f_copy = tempfile.NamedTemporaryFile("wb+", prefix=prefix,
+                                         delete=delete, dir=directory,
+                                         suffix=".copy")
+
+    # Create and open 2 temporary files for the bmap
+    f_bmap1 = tempfile.NamedTemporaryFile("w+", prefix=prefix,
+                                          delete=delete, dir=directory,
+                                          suffix=".bmap1")
+    f_bmap2 = tempfile.NamedTemporaryFile("w+", prefix=prefix,
+                                          delete=delete, dir=directory,
+                                          suffix=".bmap2")
+
+    image_chksum = helpers.calculate_chksum(image)
+
+    #
+    # Pass 1: generate the bmap, copy and compare
+    #
+
+    # Create bmap for the random sparse file
+    creator = BmapCreate.BmapCreate(image, f_bmap1.name)
+    creator.generate()
+
+    helpers.copy_and_verify_image(image, f_copy.name, f_bmap1.name,
+                                  image_chksum, image_size)
+
+    # Make sure that holes in the copy are identical to holes in the random
+    # sparse file.
+    _compare_holes(image, f_copy.name)
+
+    #
+    # Pass 2: same as pass 1, but use file objects instead of paths
+    #
+
+    creator = BmapCreate.BmapCreate(image, f_bmap2)
+    creator.generate()
+    helpers.copy_and_verify_image(image, f_copy.name, f_bmap2.name,
+                                  image_chksum, image_size)
+    _compare_holes(image, f_copy.name)
+
+    # Make sure the bmap files generated at pass 1 and pass 2 are identical
+    assert filecmp.cmp(f_bmap1.name, f_bmap2.name, False)
+
+    #
+    # Pass 3: test compressed files copying with bmap
+    #
+
+    for compressed in _generate_compressed_files(image, delete=delete):
+        helpers.copy_and_verify_image(compressed, f_copy.name,
+                                      f_bmap1.name, image_chksum, image_size)
+
+        # Test without setting the size
+        helpers.copy_and_verify_image(compressed, f_copy.name, f_bmap1.name,
+                                      image_chksum, None)
+
+        # Append a "file:" prefixe to make BmapCopy use urllib
+        compressed = "file:" + compressed
+        helpers.copy_and_verify_image(compressed, f_copy.name, f_bmap1.name,
+                                      image_chksum, image_size)
+        helpers.copy_and_verify_image(compressed, f_copy.name, f_bmap1.name,
+                                      image_chksum, None)
+
+    #
+    # Pass 5: copy without bmap and make sure it is identical to the original
+    # file.
+
+    helpers.copy_and_verify_image(image, f_copy.name, None, image_chksum,
+                                  image_size)
+    helpers.copy_and_verify_image(image, f_copy.name, None, image_chksum, None)
+
+    #
+    # Pass 6: test compressed files copying without bmap
+    #
+
+    for compressed in _generate_compressed_files(image, delete=delete):
+        helpers.copy_and_verify_image(compressed, f_copy.name, f_bmap1.name,
+                                      image_chksum, image_size)
+
+        # Test without setting the size
+        helpers.copy_and_verify_image(compressed, f_copy.name, f_bmap1.name,
+                                      image_chksum, None)
+
+        # Append a "file:" prefix to make BmapCopy use urllib
+        helpers.copy_and_verify_image(compressed, f_copy.name, f_bmap1.name,
+                                      image_chksum, image_size)
+        helpers.copy_and_verify_image(compressed, f_copy.name, f_bmap1.name,
+                                      image_chksum, None)
+
+    # Close temporary files, which will also remove them
+    f_copy.close()
+    f_bmap1.close()
+    f_bmap2.close()
+
+
+class TestCreateCopy(unittest.TestCase):
+    """
+    The test class for this unit tests. Basically executes the '_do_test()'
+    function for different sparse files.
+    """
+
+    def test(self):  # pylint: disable=R0201
+        """
+        The test entry point. Executes the '_do_test()' function for files of
+        different sizes, holes distribution and format.
+        """
+
+        # Delete all the test-related temporary files automatically
+        delete = True
+        # Create all the test-related temporary files in current directory
+        directory = '.'
+
+        iterator = helpers.generate_test_files(delete=delete,
+                                               directory=directory)
+        for f_image, image_size, _, _ in iterator:
+            assert image_size == os.path.getsize(f_image.name)
+            _do_test(f_image.name, image_size, delete=delete)

diff --git a/sys-boot/bmap-tools/files/test_bmap_helpers.py b/sys-boot/bmap-tools/files/test_bmap_helpers.py
new file mode 100644
index 000000000..36c455713
--- /dev/null
+++ b/sys-boot/bmap-tools/files/test_bmap_helpers.py
@@ -0,0 +1,153 @@
+# -*- coding: utf-8 -*-
+# vim: ts=4 sw=4 et ai si
+#
+# Copyright (c) 2012-2014 Intel, Inc.
+# License: GPLv2
+# Author: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License, version 2,
+# as published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+
+"""
+This test verifies 'BmapHelpers' module functionality.
+"""
+
+import os
+import sys
+import tempfile
+try:
+    from unittest.mock import patch
+except ImportError:     # for Python < 3.3
+    from mock import patch
+try:
+    from tempfile import TemporaryDirectory
+except ImportError:     # for Python < 3.2
+    from backports.tempfile import TemporaryDirectory
+from bmaptools import BmapHelpers
+
+
+# This is a work-around for Centos 6
+try:
+    import unittest2 as unittest  # pylint: disable=F0401
+except ImportError:
+    import unittest
+
+
+class TestBmapHelpers(unittest.TestCase):
+    """The test class for these unit tests."""
+
+    def test_get_file_system_type(self):
+        """Check a file system type is returned when used with a file"""
+
+        with tempfile.NamedTemporaryFile("r", prefix="testfile_",
+                                         delete=True, dir=".", suffix=".img") as fobj:
+            fstype = BmapHelpers.get_file_system_type(fobj.name)
+            self.assertTrue(fstype)
+
+    def test_get_file_system_type_no_fstype_found(self):
+        """Check error raised when supplied file doesnt exist"""
+
+        directory = os.path.dirname(__file__)
+        fobj = os.path.join(directory, "BmapHelpers/file/does/not/exist")
+        with self.assertRaises(BmapHelpers.Error):
+            BmapHelpers.get_file_system_type(fobj)
+
+    def test_get_file_system_type_symlink(self):
+        """Check a file system type is returned when used with a symlink"""
+
+        with TemporaryDirectory(prefix="testdir_", dir=".") as directory:
+            fobj = tempfile.NamedTemporaryFile("r", prefix="testfile_", delete=False,
+                                            dir=directory, suffix=".img")
+            lnk = os.path.join(directory, "test_symlink")
+            os.symlink(fobj.name, lnk)
+            fstype = BmapHelpers.get_file_system_type(lnk)
+            self.assertTrue(fstype)
+
+    def test_is_zfs_configuration_compatible_enabled(self):
+        """Check compatiblilty check is true when zfs param is set correctly"""
+
+        with tempfile.NamedTemporaryFile("w+", prefix="testfile_",
+                                         delete=True, dir=".", suffix=".txt") as fobj:
+            fobj.write("1")
+            fobj.flush()
+            mockobj = patch.object(BmapHelpers, "ZFS_COMPAT_PARAM_PATH", fobj.name)
+            with mockobj:
+                self.assertTrue(BmapHelpers.is_zfs_configuration_compatible())
+
+
+    def test_is_zfs_configuration_compatible_disabled(self):
+        """Check compatiblilty check is false when zfs param is set incorrectly"""
+
+        with tempfile.NamedTemporaryFile("w+", prefix="testfile_",
+                                         delete=True, dir=".", suffix=".txt") as fobj:
+            fobj.write("0")
+            fobj.flush()
+            mockobj = patch.object(BmapHelpers, "ZFS_COMPAT_PARAM_PATH", fobj.name)
+            with mockobj:
+                self.assertFalse(BmapHelpers.is_zfs_configuration_compatible())
+
+    def test_is_zfs_configuration_compatible_invalid_read_value(self):
+        """Check error raised if any content of zfs config file invalid"""
+
+        with tempfile.NamedTemporaryFile("a", prefix="testfile_",
+                                         delete=True, dir=".", suffix=".txt") as fobj:
+            mockobj = patch.object(BmapHelpers, "ZFS_COMPAT_PARAM_PATH", fobj.name)
+            with self.assertRaises(BmapHelpers.Error):
+                with mockobj:
+                    BmapHelpers.is_zfs_configuration_compatible()
+
+    @patch("builtins.open" if sys.version_info[0] >= 3 else "__builtin__.open")
+    def test_is_zfs_configuration_compatible_unreadable_file(self, mock_open):
+        """Check error raised if any IO errors when checking zfs config file"""
+
+        mock_open.side_effect = IOError
+        with self.assertRaises(BmapHelpers.Error):
+            if not BmapHelpers.is_zfs_configuration_compatible():
+                raise BmapHelpers.Error
+
+    def test_is_zfs_configuration_compatible_notinstalled(self):
+        """Check compatiblilty check passes when zfs not installed"""
+
+        directory = os.path.dirname(__file__)
+        filepath = os.path.join(directory, "BmapHelpers/file/does/not/exist")
+        mockobj = patch.object(BmapHelpers, "ZFS_COMPAT_PARAM_PATH", filepath)
+        with mockobj:
+            self.assertFalse(BmapHelpers.is_zfs_configuration_compatible())
+
+    @patch.object(BmapHelpers, "get_file_system_type", return_value="zfs")
+    def test_is_compatible_file_system_zfs_valid(self, mock_get_fs_type): #pylint: disable=unused-argument
+        """Check compatiblilty check passes when zfs param is set correctly"""
+
+        with tempfile.NamedTemporaryFile("w+", prefix="testfile_",
+                                         delete=True, dir=".", suffix=".img") as fobj:
+            fobj.write("1")
+            fobj.flush()
+            mockobj = patch.object(BmapHelpers, "ZFS_COMPAT_PARAM_PATH", fobj.name)
+            with mockobj:
+                self.assertTrue(BmapHelpers.is_compatible_file_system(fobj.name))
+
+    @patch.object(BmapHelpers, "get_file_system_type", return_value="zfs")
+    def test_is_compatible_file_system_zfs_invalid(self, mock_get_fs_type): #pylint: disable=unused-argument
+        """Check compatiblilty check fails when zfs param is set incorrectly"""
+
+        with tempfile.NamedTemporaryFile("w+", prefix="testfile_",
+                                         delete=True, dir=".", suffix=".img") as fobj:
+            fobj.write("0")
+            fobj.flush()
+            mockobj = patch.object(BmapHelpers, "ZFS_COMPAT_PARAM_PATH", fobj.name)
+            with mockobj:
+                self.assertFalse(BmapHelpers.is_compatible_file_system(fobj.name))
+
+    @patch.object(BmapHelpers, "get_file_system_type", return_value="ext4")
+    def test_is_compatible_file_system_ext4(self, mock_get_fs_type): #pylint: disable=unused-argument
+        """Check non-zfs file systems pass compatiblilty checks"""
+
+        with tempfile.NamedTemporaryFile("w+", prefix="testfile_",
+                                         delete=True, dir=".", suffix=".img") as fobj:
+            self.assertTrue(BmapHelpers.is_compatible_file_system(fobj.name))


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