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84 lines
2.3 KiB
84 lines
2.3 KiB
///
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/// Copyright 2018 Oliver Giles
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///
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/// This file is part of Laminar
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///
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/// Laminar is free software: you can redistribute it and/or modify
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/// it under the terms of the GNU General Public License as published by
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/// the Free Software Foundation, either version 3 of the License, or
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/// (at your option) any later version.
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///
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/// Laminar is distributed in the hope that it will be useful,
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/// but WITHOUT ANY WARRANTY; without even the implied warranty of
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/// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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/// GNU General Public License for more details.
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///
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/// You should have received a copy of the GNU General Public License
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/// along with Laminar. If not, see <http://www.gnu.org/licenses/>
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///
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#include <gtest/gtest.h>
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#include "database.h"
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class DatabaseTest : public ::testing::Test {
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protected:
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DatabaseTest() :
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::testing::Test(),
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db(":memory:")
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{}
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Database db;
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};
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TEST_F(DatabaseTest, Exec) {
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EXPECT_FALSE(db.exec("garbage non-sql"));
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EXPECT_TRUE(db.exec("create temporary table test(id int)"));
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}
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TEST_F(DatabaseTest, Fetch) {
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int n = 0;
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db.stmt("select 2, 'cat', 4294967299").fetch<int, std::string, uint64_t>([&](int i, std::string s, uint64_t ui){
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n++;
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EXPECT_EQ(2, i);
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EXPECT_EQ("cat", s);
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EXPECT_EQ(4294967299, ui);
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});
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EXPECT_EQ(1, n);
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}
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TEST_F(DatabaseTest, Bind) {
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int n = 0;
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db.stmt("select ? * 2").bind(2).fetch<int>([&](int i){
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n++;
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EXPECT_EQ(4, i);
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});
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EXPECT_EQ(1, n);
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}
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TEST_F(DatabaseTest, Strings) {
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std::string res;
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db.stmt("select ? || ?").bind("a", "b").fetch<std::string>([&res](std::string s){
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EXPECT_TRUE(res.empty());
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res = s;
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});
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EXPECT_EQ("ab", res);
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}
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TEST_F(DatabaseTest, MultiRow) {
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ASSERT_TRUE(db.exec("create table test(id int)"));
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int i = 0;
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while(i < 10)
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EXPECT_TRUE(db.stmt("insert into test values(?)").bind(i++).exec());
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i = 0;
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db.stmt("select * from test").fetch<int>([&](int r){
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EXPECT_EQ(i++, r);
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});
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EXPECT_EQ(10, i);
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}
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TEST_F(DatabaseTest, StdevFunc) {
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double res = 0;
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db.stmt("with a (x) as (values (7),(3),(45),(23)) select stdev(x) from a").fetch<double>([&](double r){
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res = r;
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});
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EXPECT_FLOAT_EQ(19.0700463205171, res);
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}
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