1279619216

Committed 06 May 2024 07:27AM UTC coverage: 75.594% (+0.03%) from 75.566%

Build # 1279619216

Build Type

push

gitlab-ci

Committed by

web-flow

Commit Message

Merge pull request #1618 from danielskinstad/arefilesidentical

chore: function for checking if files are identical

Run Details

17 of 19 new or added lines in 1 file covered. (89.47%)

7062 of 9342 relevant lines covered (75.59%)

11668.23 hits per line

Source File
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89.47

/src/common/path/path.cpp

// Copyright 2024 Northern.tech AS
//
//    Licensed under the Apache License, Version 2.0 (the "License");
//    you may not use this file except in compliance with the License.
//    You may obtain a copy of the License at
//
//        http://www.apache.org/licenses/LICENSE-2.0
//
//    Unless required by applicable law or agreed to in writing, software
//    distributed under the License is distributed on an "AS IS" BASIS,
//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//    See the License for the specific language governing permissions and
//    limitations under the License.

#include <common/io.hpp>
#include <common/path.hpp>

#include <functional>
#include <iterator>
#include <string>

namespace mender {
namespace common {
namespace path {

using namespace std;
namespace io = mender::common::io;

expected::ExpectedBool AreFilesIdentical(const string &file_one, const string &file_two) {
        auto file_one_expected_stream = io::OpenIfstream(file_one);
        if (!file_one_expected_stream) {
                return expected::unexpected(file_one_expected_stream.error());
        }
        auto file_two_expected_stream = io::OpenIfstream(file_two);
        if (!file_two_expected_stream) {
                return expected::unexpected(file_two_expected_stream.error());
        }

        auto &file_one_stream = file_one_expected_stream.value();
        auto &file_two_stream = file_two_expected_stream.value();

        // Compare file sizes
        file_one_stream.seekg(0, ios::end);
        file_two_stream.seekg(0, ios::end);
        if (file_one_stream.tellg() != file_two_stream.tellg()) {
                return false;
        }
        file_one_stream.seekg(0, ios::beg);
        file_two_stream.seekg(0, ios::beg);

        string file_one_contents {
                istreambuf_iterator<char>(file_one_stream), istreambuf_iterator<char>()};
        string file_two_contents {
                istreambuf_iterator<char>(file_two_stream), istreambuf_iterator<char>()};

        size_t file_one_hash = std::hash<string> {}(file_one_contents);
        size_t file_two_hash = std::hash<string> {}(file_two_contents);


        return file_one_hash == file_two_hash;
}

} // namespace path
} // namespace common
} // namespace mender

1	// Copyright 2024 Northern.tech AS
2	//
3	// Licensed under the Apache License, Version 2.0 (the "License");
4	// you may not use this file except in compliance with the License.
5	// You may obtain a copy of the License at
6	//
7	// http://www.apache.org/licenses/LICENSE-2.0
8	//
9	// Unless required by applicable law or agreed to in writing, software
10	// distributed under the License is distributed on an "AS IS" BASIS,
11	// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12	// See the License for the specific language governing permissions and
13	// limitations under the License.
14
15	#include <common/io.hpp>
16	#include <common/path.hpp>
17
18	#include <functional>
19	#include <iterator>
20	#include <string>
21
22	namespace mender {
23	namespace common {
24	namespace path {
25
26	using namespace std;
27	namespace io = mender::common::io;
28
29	expected::ExpectedBool AreFilesIdentical(const string &file_one, const string &file_two) {	3✔
30	auto file_one_expected_stream = io::OpenIfstream(file_one);	3✔
31	if (!file_one_expected_stream) {	3✔
NEW 32	return expected::unexpected(file_one_expected_stream.error());	×
33	}
34	auto file_two_expected_stream = io::OpenIfstream(file_two);	3✔
35	if (!file_two_expected_stream) {	3✔
NEW 36	return expected::unexpected(file_two_expected_stream.error());	×
37	}
38
39	auto &file_one_stream = file_one_expected_stream.value();	3✔
40	auto &file_two_stream = file_two_expected_stream.value();	3✔
41
42	// Compare file sizes
43	file_one_stream.seekg(0, ios::end);	3✔
44	file_two_stream.seekg(0, ios::end);	3✔
45	if (file_one_stream.tellg() != file_two_stream.tellg()) {	3✔
46	return false;
47	}
48	file_one_stream.seekg(0, ios::beg);	3✔
49	file_two_stream.seekg(0, ios::beg);	3✔
50
51	string file_one_contents {
52	istreambuf_iterator<char>(file_one_stream), istreambuf_iterator<char>()};	3✔
53	string file_two_contents {
54	istreambuf_iterator<char>(file_two_stream), istreambuf_iterator<char>()};	3✔
55
56	size_t file_one_hash = std::hash<string> {}(file_one_contents);	3✔
57	size_t file_two_hash = std::hash<string> {}(file_two_contents);	3✔
58
59
60	return file_one_hash == file_two_hash;	3✔
61	}
62
63	} // namespace path
64	} // namespace common
65	} // namespace mender

mendersoftware / mender / 1279619216

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