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ghast-tools/src/test/java/ghast/database/JdbcTemplateTest.java

289 lines
7.6 KiB
Java

package ghast.database;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Lists;
import ghast.GhastTools;
import org.apache.commons.lang3.builder.EqualsBuilder;
import org.apache.commons.lang3.builder.HashCodeBuilder;
import org.bukkit.plugin.Plugin;
import org.h2.jdbcx.JdbcDataSource;
import org.junit.jupiter.api.*;
import javax.sql.DataSource;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.text.MessageFormat;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.StringJoiner;
import java.util.logging.Logger;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import static org.junit.jupiter.api.Assertions.*;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
class JdbcTemplateTest {
static final String JDBC_USER = "sa";
static final String JDBC_PASSWORD = "";
static final String JDBC_DB_NAME = "in_mem_db";
static final String JDBC_URL = "jdbc:h2:mem:" + JDBC_DB_NAME + ";DB_CLOSE_DELAY=-1";
static final String TABLE_NAME = "TEST_TABLE";
static final String COLUMN_ID = "ID";
static final String COLUMN_NAME = "C_NAME";
static final String COLUMN_VALUE = "C_VALUE";
static final Object[][] DATA = new Object[][]{
{ "Player 1", 100 }, { "Player 2", 250 },
{ "Player 3", 0 }, { "Player 4", 780 }
};
static DataSource dataSource;
JdbcTemplate jdbcTemplate;
@BeforeAll
static void beforeAll() {
Logger logger = Logger.getLogger(JdbcTemplateTest.class.getName());
Plugin mockPlugin = mock(Plugin.class);
when(mockPlugin.getLogger()).thenReturn(logger);
GhastTools.setPlugin(mockPlugin);
JdbcDataSource jdbcDataSource = new JdbcDataSource();
jdbcDataSource.setUser(JDBC_USER);
jdbcDataSource.setPassword(JDBC_PASSWORD);
jdbcDataSource.setURL(JDBC_URL);
dataSource = jdbcDataSource;
}
@BeforeEach
void before() {
jdbcTemplate = new JdbcTemplate(dataSource);
createTable();
String sql_head = MessageFormat.format("INSERT INTO {0} ({1}, {2}) VALUES ",
TABLE_NAME, COLUMN_NAME, COLUMN_VALUE);
StringJoiner sql_sj = new StringJoiner(", ");
for (Object[] datum : DATA) {
sql_sj.add(MessageFormat.format("( ''{0}'', {1} )", datum[0], datum[1]));
}
jdbcTemplate.execute(sql_head + sql_sj.toString());
}
@AfterEach
void after() {
dropTable();
}
@Test
void testQuery_Simple_Single() {
String sql = MessageFormat.format("SELECT {2} FROM {0} WHERE {1} LIKE ''{3}''",
TABLE_NAME, COLUMN_NAME, COLUMN_VALUE, DATA[0][0]);
Integer value = jdbcTemplate.query(sql, rs -> {
if (rs.next()) {
return rs.getInt(1);
} else {
return null;
}
});
assertEquals(DATA[0][1], value);
}
@Test
void testQuery_Simple_Optional() {
String sql = MessageFormat.format("SELECT {2} FROM {0} WHERE {1} LIKE ''{3}''",
TABLE_NAME, COLUMN_NAME, COLUMN_VALUE, DATA[0][0]);
Optional<Integer> optValue = jdbcTemplate.queryOne(sql, rs -> rs.getInt(1));
assertTrue(optValue.isPresent());
assertEquals(DATA[0][1], optValue.get());
}
@Test
void testQuery_Simple_List() {
String sql = MessageFormat.format("SELECT {2} FROM {0} WHERE {1} LIKE ''{3}'' OR {1} LIKE ''{4}''",
TABLE_NAME, COLUMN_NAME, COLUMN_VALUE, DATA[0][0], DATA[1][0]);
List<Integer> listValues = jdbcTemplate.queryList(sql, (rs, rowNum) -> rs.getInt(1));
assertIterableEquals(Lists.newArrayList(DATA[0][1], DATA[1][1]), listValues);
}
@Test
void testQuery_Object_Single() {
String sql = MessageFormat.format("SELECT {1}, {2} FROM {0} WHERE {1} LIKE ''{3}''",
TABLE_NAME, COLUMN_NAME, COLUMN_VALUE, DATA[0][0]);
Player actualPlayer = jdbcTemplate.query(sql, rs -> {
if (rs.next()) {
Player player0 = new Player();
player0.name = rs.getString(COLUMN_NAME);
player0.value = rs.getInt(COLUMN_VALUE);
return player0;
} else {
return null;
}
});
Player expectedPlayer = new Player();
expectedPlayer.name = (String) DATA[0][0];
expectedPlayer.value = (int) DATA[0][1];
assertEquals(expectedPlayer, actualPlayer);
}
@Test
void testQuery_Object_List() {
String sql = MessageFormat.format("SELECT {1}, {2} FROM {0}",
TABLE_NAME, COLUMN_NAME, COLUMN_VALUE);
List<Player> actualPlayers = jdbcTemplate.queryList(sql, (rs, num) -> {
Player player0 = new Player();
player0.name = rs.getString(COLUMN_NAME);
player0.value = rs.getInt(COLUMN_VALUE);
return player0;
});
List<Player> expectedPlayers = Stream.of(DATA)
.map(datum -> {
Player player1 = new Player();
player1.name = (String) datum[0];
player1.value = (int) datum[1];
return player1;
})
.collect(Collectors.toList());
assertIterableEquals(expectedPlayers, actualPlayers);
}
@Test
void testQueryForMap() {
String sql = MessageFormat.format("SELECT {1}, {2} FROM {0} WHERE {1} LIKE ''{3}''",
TABLE_NAME, COLUMN_NAME, COLUMN_VALUE, DATA[0][0]);
Map<String, Object> actualMap = jdbcTemplate.queryForMap(sql);
Map<String, Object> expectedMap = ImmutableMap.of(
COLUMN_NAME, DATA[0][0],
COLUMN_VALUE, DATA[0][1]);
assertIterableEquals(expectedMap.entrySet(), actualMap.entrySet());
}
@Test
void testQueryForMapList() {
String sql = MessageFormat.format("SELECT {1}, {2} FROM {0}",
TABLE_NAME, COLUMN_NAME, COLUMN_VALUE);
List<Map<String, Object>> actualMapList = jdbcTemplate.queryForMapList(sql);
List<Map<String, Object>> expectedMapList = Stream.of(DATA)
.map(datum -> ImmutableMap.of(COLUMN_NAME, datum[0], COLUMN_VALUE, datum[1]))
.collect(Collectors.toList());
assertIterableEquals(expectedMapList, actualMapList);
}
@Test
void testUpdate() {
String newName = "Player X";
String sql = MessageFormat.format("UPDATE {0} SET {1} = ''{3}'' WHERE {1} LIKE ''{2}''",
TABLE_NAME, COLUMN_NAME, DATA[0][0], newName);
int rows = jdbcTemplate.update(sql);
assertEquals(1, rows);
sql = MessageFormat.format("SELECT {2} FROM {0} WHERE {1} LIKE ''{3}''",
TABLE_NAME, COLUMN_NAME, COLUMN_VALUE, newName);
Integer value = jdbcTemplate.query(sql, rs -> {
if (rs.next()) {
return rs.getInt(1);
} else {
return null;
}
});
assertEquals(DATA[0][1], value);
}
private void createTable() {
jdbcTemplate.execute("CREATE TABLE " + TABLE_NAME + " (" +
COLUMN_ID + " bigint auto_increment," +
COLUMN_NAME + " varchar(16)," +
COLUMN_VALUE + " integer)");
}
private void dropTable() {
jdbcTemplate.execute("DROP TABLE IF EXISTS " + TABLE_NAME);
}
class Player {
String name;
int value;
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof Player)) return false;
Player player = (Player) o;
return new EqualsBuilder().append(value, player.value).append(name, player.name).isEquals();
}
@Override
public int hashCode() {
return new HashCodeBuilder(17, 37).append(name).append(value).toHashCode();
}
}
@Nested
class JdbcTemplateTest_ExecuteTestCase {
@BeforeEach
void before() {
jdbcTemplate = new JdbcTemplate(dataSource);
dropTable();
}
@AfterEach
void after() {
dropTable();
}
@Test
void test() throws ClassNotFoundException, IllegalAccessException, InstantiationException, SQLException {
createTable();
//region Check result
Class.forName("org.h2.Driver").newInstance();
Connection connection = DriverManager.getConnection(JDBC_URL, JDBC_USER, JDBC_PASSWORD);
ResultSet resultSet = connection.getMetaData().getTables(JDBC_DB_NAME.toUpperCase(), "PUBLIC",
TABLE_NAME.toUpperCase(), new String[]{"TABLE"});
assertTrue(resultSet.next());
resultSet.close();
connection.close();
//endregion
}
}
}