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JdbcTemplate: refactoring

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This commit is contained in:
DmitriyMX
2021-01-03 16:00:34 +03:00
parent 5315a4ad94
commit c963c4bd60
3 changed files with 122 additions and 98 deletions
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90
src/test/java/ghast/database/JdbcTemplateTest.java
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@@ -84,7 +84,7 @@ class JdbcTemplateTest {
}
@Test
void testQuery_Single() {
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]);
@@ -100,44 +100,30 @@ class JdbcTemplateTest {
}
@Test
void testQuery_List() {
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.query(sql, (rs, rowNum) -> rs.getInt(1));
List<Integer> listValues = jdbcTemplate.queryList(sql, (rs, rowNum) -> rs.getInt(1));
assertIterableEquals(Lists.newArrayList(DATA[0][1], DATA[1][1]), listValues);
}
@Test
void testQueryForObject() {
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();
}
}
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.queryForObject(sql, (rs, rowNum) -> {
Player player0 = new Player();
player0.name = rs.getString(COLUMN_NAME);
player0.value = rs.getInt(COLUMN_VALUE);
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;
return player0;
} else {
return null;
}
});
Player expectedPlayer = new Player();
@@ -147,6 +133,34 @@ class JdbcTemplateTest {
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}''",
@@ -162,11 +176,11 @@ class JdbcTemplateTest {
}
@Test
void testQueryForList() {
void testQueryForMapList() {
String sql = MessageFormat.format("SELECT {1}, {2} FROM {0}",
TABLE_NAME, COLUMN_NAME, COLUMN_VALUE);
List<Map<String, Object>> actualMapList = jdbcTemplate.queryForList(sql);
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]))
@@ -211,6 +225,24 @@ class JdbcTemplateTest {
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 {