external/bsd/kyua-cli/dist/utils/sqlite/test_utils.hpp

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  28
  29 /// \file utils/sqlite/test_utils.hpp
  30 /// Utilities for tests of the sqlite modules.
  31 ///
  32 /// This file is intended to be included once, and only once, for every test
  33 /// program that needs it.  All the code is herein contained to simplify the
  34 /// dependency chain in the build rules.
  35
  36 #if !defined(UTILS_SQLITE_TEST_UTILS_HPP)
  37 #   define UTILS_SQLITE_TEST_UTILS_HPP
  38 #else
  39 #   error "test_utils.hpp can only be included once"
  40 #endif
  41
  42 #include <iostream>
  43
  44 #include <atf-c++.hpp>
  45
  46 #include "utils/defs.hpp"
  47 #include "utils/sqlite/c_gate.hpp"
  48 #include "utils/sqlite/exceptions.hpp"
  49
  50
  51 namespace {
  52
  53
  54 /// Checks that a given expression raises a particular sqlite::api_error.
  55 ///
  56 /// We cannot make any assumptions regarding the error text provided by SQLite,
  57 /// so we resort to checking only which API function raised the error (because
  58 /// our code is the one hardcoding these strings).
  59 ///
  60 /// \param exp_api_function The name of the SQLite 3 C API function that causes
  61 ///     the error.
  62 /// \param statement The statement to execute.
  63 #define REQUIRE_API_ERROR(exp_api_function, statement) \
  64     do { \
  65         try { \
  66             statement; \
  67             ATF_FAIL("api_error not raised by " #statement); \
  68         } catch (const utils::sqlite::api_error& api_error) { \
  69             ATF_REQUIRE_EQ(exp_api_function, api_error.api_function()); \
  70         } \
  71     } while (0)
  72
  73
  74 /// Gets the pointer to the internal sqlite3 of a database object.
  75 ///
  76 /// This is pure syntactic sugar to simplify typing in the test cases.
  77 ///
  78 /// \param db The SQLite database.
  79 ///
  80 /// \return The internal sqlite3 of the input database.
  81 static inline ::sqlite3*
  82 raw(utils::sqlite::database& db)
  83 {
  84     return utils::sqlite::database_c_gate(db).c_database();
  85 }
  86
  87
  88 /// SQL commands to create a test table.
  89 ///
  90 /// See create_test_table() for more details.
  91 static const char* create_test_table_sql =
  92     "CREATE TABLE test (prime INTEGER PRIMARY KEY);"
  93     "INSERT INTO test (prime) VALUES (1);\n"
  94     "INSERT INTO test (prime) VALUES (2);\n"
  95     "INSERT INTO test (prime) VALUES (7);\n"
  96     "INSERT INTO test (prime) VALUES (5);\n"
  97     "INSERT INTO test (prime) VALUES (3);\n";
  98
  99
 100 static void create_test_table(::sqlite3*) UTILS_UNUSED;
 101
 102
 103 /// Creates a 'test' table in a database.
 104 ///
 105 /// The created 'test' table is populated with a few rows.  If there are any
 106 /// problems creating the database, this fails the test case.
 107 ///
 108 /// Use the verify_test_table() function on the same database to verify that
 109 /// the table is present and contains the expected data.
 110 ///
 111 /// \param db The database in which to create the test table.
 112 static void
 113 create_test_table(::sqlite3* db)
 114 {
 115     std::cout << "Creating 'test' table in the database\n";
 116     ATF_REQUIRE_EQ(SQLITE_OK, ::sqlite3_exec(db, create_test_table_sql,
 117                                              NULL, NULL, NULL));
 118 }
 119
 120
 121 static void verify_test_table(::sqlite3*) UTILS_UNUSED;
 122
 123
 124 /// Verifies that the specified database contains the 'test' table.
 125 ///
 126 /// This function ensures that the provided database contains the 'test' table
 127 /// created by the create_test_table() function on the same database.  If it
 128 /// doesn't, this fails the caller test case.
 129 ///
 130 /// \param db The database to validate.
 131 static void
 132 verify_test_table(::sqlite3* db)
 133 {
 134     std::cout << "Verifying that the 'test' table is in the database\n";
 135     char **result;
 136     int rows, columns;
 137     ATF_REQUIRE_EQ(SQLITE_OK, ::sqlite3_get_table(db,
 138         "SELECT * FROM test ORDER BY prime", &result, &rows, &columns, NULL));
 139     ATF_REQUIRE_EQ(5, rows);
 140     ATF_REQUIRE_EQ(1, columns);
 141     ATF_REQUIRE_EQ("prime", std::string(result[0]));
 142     ATF_REQUIRE_EQ("1", std::string(result[1]));
 143     ATF_REQUIRE_EQ("2", std::string(result[2]));
 144     ATF_REQUIRE_EQ("3", std::string(result[3]));
 145     ATF_REQUIRE_EQ("5", std::string(result[4]));
 146     ATF_REQUIRE_EQ("7", std::string(result[5]));
 147     ::sqlite3_free_table(result);
 148 }
 149
 150
 151 }  // anonymous namespace