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1#!/usr/bin/env python
2#
3# Copyright (C) 2018 The Android Open Source Project
4#
5# Licensed under the Apache License, Version 2.0 (the "License");
6# you may not use this file except in compliance with the License.
7# You may obtain a copy of the License at
8#
9#      http://www.apache.org/licenses/LICENSE-2.0
10#
11# Unless required by applicable law or agreed to in writing, software
12# distributed under the License is distributed on an "AS IS" BASIS,
13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14# See the License for the specific language governing permissions and
15# limitations under the License.
16
17import unittest
18
19import mkuserimg_mke2fs
20
21class MkuserimgMke2fsTest(unittest.TestCase):
22  def setUp(self):
23    self.optional_arguments = {
24        "-j": "10", "-T": "1230768000.0", "-C": "fs_config",
25        "-D": "product_out", "-B": "block_list_file",
26        "-d": "base_alloc_file_in", "-A": "base_alloc_file_out",
27        "-L": "label", "-i": "20", "-M": "30", "-e": "8192",
28        "-o": "16384", "-U": "mke2fs_uuid", "-S": "mke2fs_hash_seed",
29    }
30
31  def test_parse_arguments_smoke(self):
32    args_list = ["source_directory", "output_file", "ext4", "data", "8192"]
33    for key, value in self.optional_arguments.items():
34      args_list += [key, value]
35    args_list.append("-c")
36
37    args = mkuserimg_mke2fs.ParseArguments(args_list)
38
39    self.assertEqual("source_directory", args.src_dir)
40    self.assertEqual("output_file", args.output_file)
41    self.assertEqual("ext4", args.ext_variant)
42    self.assertEqual("data", args.mount_point)
43    self.assertEqual("8192", args.fs_size)
44
45    self.assertFalse(args.android_sparse)
46    self.assertEqual("10", args.journal_size)
47    self.assertEqual("1230768000.0", args.timestamp)
48    self.assertEqual("fs_config", args.fs_config)
49    self.assertEqual("product_out", args.product_out)
50    self.assertEqual("block_list_file", args.block_list_file)
51    self.assertEqual("base_alloc_file_in", args.base_alloc_file_in)
52    self.assertEqual("base_alloc_file_out", args.base_alloc_file_out)
53    self.assertEqual("label", args.label)
54    self.assertEqual("20", args.inodes)
55    self.assertEqual("30", args.reserved_percent)
56    self.assertEqual("8192", args.flash_erase_block_size)
57    self.assertEqual("16384", args.flash_logical_block_size)
58    self.assertEqual("mke2fs_uuid", args.mke2fs_uuid)
59    self.assertEqual("mke2fs_hash_seed", args.mke2fs_hash_seed)
60    self.assertTrue(args.share_dup_blocks)
61
62  def test_parse_arguments_with_filecontext(self):
63    args_list = ["-s", "source_directory", "output_file", "ext4", "data",
64                 "8192"]
65    for key, value in self.optional_arguments.items():
66      args_list += [key, value]
67    args_list += ["-c", "file_contexts.bin"]
68
69    args = mkuserimg_mke2fs.ParseArguments(args_list)
70
71    self.assertEqual("file_contexts.bin", args.file_contexts)
72
73    self.assertEqual("source_directory", args.src_dir)
74    self.assertEqual("output_file", args.output_file)
75    self.assertEqual("ext4", args.ext_variant)
76    self.assertEqual("data", args.mount_point)
77    self.assertEqual("8192", args.fs_size)
78
79    self.assertTrue(args.android_sparse)
80    self.assertEqual("10", args.journal_size)
81    self.assertEqual("1230768000.0", args.timestamp)
82    self.assertEqual("fs_config", args.fs_config)
83    self.assertEqual("product_out", args.product_out)
84    self.assertEqual("block_list_file", args.block_list_file)
85    self.assertEqual("base_alloc_file_in", args.base_alloc_file_in)
86    self.assertEqual("base_alloc_file_out", args.base_alloc_file_out)
87    self.assertEqual("label", args.label)
88    self.assertEqual("20", args.inodes)
89    self.assertEqual("30", args.reserved_percent)
90    self.assertEqual("8192", args.flash_erase_block_size)
91    self.assertEqual("16384", args.flash_logical_block_size)
92    self.assertEqual("mke2fs_uuid", args.mke2fs_uuid)
93    self.assertEqual("mke2fs_hash_seed", args.mke2fs_hash_seed)
94    self.assertTrue(args.share_dup_blocks)
95
96  def test_parse_arguments_not_enough_arguments(self):
97    args_list = ["-s", "source_directory", "output_file", "ext4", "data",]
98    for key, value in self.optional_arguments.items():
99      args_list += [key, value]
100
101    with self.assertRaises(SystemExit):
102      mkuserimg_mke2fs.ParseArguments(args_list)
103
104  def test_construct_e2fs_opts_smoke(self):
105    args_list = ["-s", "source_directory", "output_file", "ext4", "data",
106                 "8192"]
107    for key, value in self.optional_arguments.items():
108      args_list += [key, value]
109    args_list += ["-c", "file_contexts.bin"]
110
111    args = mkuserimg_mke2fs.ParseArguments(args_list)
112
113    mke2fs_cmd, e2fsdroid_cmd = mkuserimg_mke2fs.ConstructE2fsCommands(
114        args)
115
116    expected_mke2fs_extended_opts = (
117        "android_sparse,stripe_width=2,stride=4,hash_seed={}".format(
118            args.mke2fs_hash_seed))
119    expected_mke2fs_cmd = [
120        "mke2fs", "-J", "size=10", "-L", args.label, "-N", args.inodes, "-m",
121        args.reserved_percent, "-U", args.mke2fs_uuid, "-E",
122        expected_mke2fs_extended_opts, "-t", args.ext_variant, "-b", "4096",
123        args.output_file, str(int(args.fs_size) / 4096)]
124
125    expected_e2fsdroid_cmd = [
126        "e2fsdroid", "-T", args.timestamp, "-C", args.fs_config, "-p",
127        args.product_out, "-B", args.block_list_file, "-d",
128        args.base_alloc_file_in, "-D", args.base_alloc_file_out, "-s", "-S",
129        args.file_contexts, "-f", args.src_dir, "-a", args.mount_point,
130        args.output_file]
131
132    self.assertEqual(' '.join(mke2fs_cmd), ' '.join(expected_mke2fs_cmd))
133
134    self.assertEqual(' '.join(e2fsdroid_cmd),
135                     ' '.join(expected_e2fsdroid_cmd))
136