SQLon test coverage

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src/prepared_query.cpp
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1 /******************************************************************************
2 **
3 ** Copyright (C) 2026 Ivan Pinezhaninov <ivan.pinezhaninov@gmail.com>
4 **
5 ** This file is part of the SQLon - which can be found at
6 ** https://github.com/IvanPinezhaninov/sqlon/.
7 **
8 ** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
9 ** IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
10 ** FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
11 ** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
12 ** DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
13 ** OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
14 ** THE USE OR OTHER DEALINGS IN THE SOFTWARE.
15 **
16 ******************************************************************************/
17
18 #include <sqlon/prepared_query.h>
19
20 #include <unordered_set>
21 #include <utility>
22
23 namespace sqlon {
24
25 7 prepared_query::prepared_query(std::string sql, std::vector<prepared_parameter> parameters)
26 7 : m_sql(std::move(sql))
27 7 , m_parameters(std::move(parameters))
28 {
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 7 m_bindings.reserve(m_parameters.size());
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 13 for (std::size_t index = 0; index < m_parameters.size(); ++index)
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 6 m_bindings.push_back({index, std::nullopt});
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 7 validate_layout();
33 7 }
34
35 26 prepared_query::prepared_query(std::string sql, std::vector<prepared_parameter> parameters,
36 26 std::vector<prepared_binding> bindings)
37 26 : m_sql(std::move(sql))
38 26 , m_parameters(std::move(parameters))
39 26 , m_bindings(std::move(bindings))
40 {
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 26 validate_layout();
42 44 }
43
44 12 const std::string& prepared_query::sql() const noexcept
45 {
46 12 return m_sql;
47 }
48
49 17 const std::vector<prepared_parameter>& prepared_query::parameters() const noexcept
50 {
51 17 return m_parameters;
52 }
53
54 22 bound_parameters prepared_query::materialize(const std::vector<std::optional<rendered_parameter>>& values) const
55 {
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 49 for (const std::optional<rendered_parameter>& value : values)
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 28 if (!value) throw invalid_query{"not all prepared parameters were bound"};
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59 21 bound_parameters result;
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 21 result.reserve(m_bindings.size());
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 50 for (const prepared_binding& binding : m_bindings) {
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 29 rendered_parameter parameter = *values[binding.parameter_index];
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 29 parameter.placeholder = binding.placeholder;
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 29 result.push_back(std::move(parameter));
65 29 }
66 21 return result;
67 ✗ }
68
69 33 void prepared_query::validate_layout()
70 {
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 33 if (m_sql.empty()) throw invalid_query{"prepared SQL cannot be empty"};
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 32 std::vector<bool> referenced(m_parameters.size());
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 73 for (const prepared_binding& binding : m_bindings) {
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 42 if (binding.parameter_index >= m_parameters.size()) throw invalid_query{"prepared binding layout is out of range"};
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 41 referenced[binding.parameter_index] = true;
77 }
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 70 for (const bool is_referenced : referenced)
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 40 if (!is_referenced) throw invalid_query{"prepared parameter is missing from the binding layout"};
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82 30 std::unordered_set<std::string> names;
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 65 for (std::size_t index = 0; index < m_parameters.size(); ++index) {
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 38 if (m_parameters[index].name.empty()) throw invalid_query{"a prepared parameter name cannot be empty"};
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 37 if (!names.insert(m_parameters[index].name).second) throw invalid_query{"prepared parameter names must be unique"};
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 36 const bool inserted = m_parameter_indices.emplace(m_parameters[index].identity, index).second;
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 36 if (!inserted) throw invalid_query{"prepared parameter identities must be unique"};
88 }
89 35 }
90
91 } // namespace sqlon
92