1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
// Copyright (C) 2009-2024 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.

#include <config.h>

#include <iostream><--- Include file:  not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <fstream><--- Include file:  not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <sstream><--- Include file:  not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <stdexcept><--- Include file:  not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <vector><--- Include file:  not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <string><--- Include file:  not found. Please note: Cppcheck does not need standard library headers to get proper results.

#include <gtest/gtest.h><--- Include file:  not found. Please note: Cppcheck does not need standard library headers to get proper results.

#include <dns/rcode.h>
#include <dns/name.h>
#include <dns/message.h>
#include <dns/tests/unittest_util.h>

using namespace std;
using namespace isc::dns;

using isc::UnitTestUtil;

namespace {
class UnitTestUtilConfig {
private:
    // This is a singleton object and cannot be constructed explicitly.
    UnitTestUtilConfig() {}
    UnitTestUtilConfig(const UnitTestUtilConfig& source);
    ~UnitTestUtilConfig() {}
public:
    /// Return a singleton unit test configuration object.  On first invocation
    /// one will be constructed.
    static UnitTestUtilConfig& getConfig();

    /// A list of paths to wire data files.
    /// \c UnitTestUtil::readWireData() (first version)
    /// will search the directories in this list for the specified data file.
    std::vector<string> data_paths_;
};

UnitTestUtilConfig&
UnitTestUtilConfig::getConfig() {
    static UnitTestUtilConfig config;
    return (config);
}
}

void
UnitTestUtil::readWireData(const char* datafile, vector<unsigned char>& data) {
    ifstream ifs;

    const UnitTestUtilConfig& config = UnitTestUtilConfig::getConfig();
    vector<string>::const_iterator it = config.data_paths_.begin();
    for (; it != config.data_paths_.end(); ++it) {
        string data_path = *it;
        if (data_path.empty() || *data_path.rbegin() != '/') {
            data_path.push_back('/');
        }
        ifs.open((data_path + datafile).c_str(), ios_base::in);
        if ((ifs.rdstate() & istream::failbit) == 0) {
            break;
        }
    }

    if (it == config.data_paths_.end()) {
        throw runtime_error("failed to open data file in data paths: " +
                            string(datafile));
    }

    data.clear();

    string s;
    while (getline(ifs, s), !ifs.eof()) {
        if (ifs.bad() || ifs.fail()) {
            throw runtime_error("unexpected data line");
        }
        if (s.empty() || s[0] == '#') {
            continue;
        }

        readWireData(s, data);
    }
}

void
UnitTestUtil::addDataPath(const string& directory) {
    UnitTestUtilConfig::getConfig().data_paths_.push_back(directory);
}

void
UnitTestUtil::readWireData(const string& datastr,
                           vector<unsigned char>& data) {
    istringstream iss(datastr);

    do {
        string bytes;
        iss >> bytes;
        if (iss.bad() || iss.fail() || (bytes.size() % 2) != 0) {
            ostringstream err_oss;
            err_oss << "unexpected input or I/O error in reading " <<
                datastr;
            throw runtime_error(err_oss.str());
        }

        for (string::size_type pos = 0; pos < bytes.size(); pos += 2) {
            istringstream iss_byte(bytes.substr(pos, 2));
            unsigned int ch;

            iss_byte >> hex >> ch;
            if (iss_byte.rdstate() != istream::eofbit) {
                ostringstream err_oss;
                err_oss << "invalid byte representation: " << iss_byte.str();
                throw runtime_error(err_oss.str());
            }
            data.push_back(static_cast<unsigned char>(ch));
        }
    } while (!iss.eof());
}

::testing::AssertionResult
UnitTestUtil::matchName(const char*, const char*,
                        const isc::dns::Name& name1,
                        const isc::dns::Name& name2) {
    ::testing::Message msg;

    NameComparisonResult cmpresult = name1.compare(name2);
    if (cmpresult.getOrder() != 0 ||
        cmpresult.getRelation() != NameComparisonResult::EQUAL) {
        msg << "Two names are expected to be equal but not:\n"
            << "  One: " << name1 << "\n"
            << "Other: " << name2 << "\n";
        return (::testing::AssertionFailure(msg));
    }
    return (::testing::AssertionSuccess());
}