/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jdbi.v3.core.rewriter;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.when;
import java.util.Collections;
import java.util.Map;
import java.util.concurrent.atomic.AtomicInteger;
import org.jdbi.v3.core.statement.Binding;
import org.jdbi.v3.core.statement.StatementContext;
import org.jdbi.v3.core.statement.UnableToCreateStatementException;
import org.junit.Before;
import org.junit.Test;
import com.google.common.collect.ImmutableMap;
import org.mockito.Mockito;
public class TestColonStatementRewriter
{
private ColonPrefixStatementRewriter rw;
@Before
public void setUp() throws Exception
{
this.rw = new ColonPrefixStatementRewriter();
}
private RewrittenStatement rewrite(String sql)
{
return rewrite(sql, Collections.emptyMap());
}
private RewrittenStatement rewrite(String sql, Map<String, Object> attributes) {
StatementContext ctx = Mockito.mock(StatementContext.class);
attributes.forEach((key, value) -> when(ctx.getAttribute(key)).thenReturn(value));
return rw.rewrite(sql, new Binding(), ctx);
}
@Test
public void testNewlinesOkay() throws Exception
{
RewrittenStatement rws = rewrite("select * from something\n where id = :id");
assertThat(rws.getSql()).isEqualTo("select * from something\n where id = ?");
}
@Test
public void testOddCharacters() throws Exception
{
RewrittenStatement rws = rewrite("~* :boo ':nope' _%&^& *@ :id");
assertThat(rws.getSql()).isEqualTo("~* ? ':nope' _%&^& *@ ?");
}
@Test
public void testNumbers() throws Exception
{
RewrittenStatement rws = rewrite(":bo0 ':nope' _%&^& *@ :id");
assertThat(rws.getSql()).isEqualTo("? ':nope' _%&^& *@ ?");
}
@Test
public void testDollarSignOkay() throws Exception
{
RewrittenStatement rws = rewrite("select * from v$session");
assertThat(rws.getSql()).isEqualTo("select * from v$session");
}
@Test
public void testHashInColumnNameOkay() throws Exception
{
RewrittenStatement rws = rewrite("select column# from thetable where id = :id");
assertThat(rws.getSql()).isEqualTo("select column# from thetable where id = ?");
}
@Test
public void testBacktickOkay() throws Exception
{
RewrittenStatement rws = rewrite("select * from `v$session");
assertThat(rws.getSql()).isEqualTo("select * from `v$session");
}
@Test
public void testDoubleColon() throws Exception
{
final String doubleColon = "select 1::int";
RewrittenStatement rws = rewrite(doubleColon);
assertThat(rws.getSql()).isEqualTo(doubleColon);
}
@Test(expected = UnableToCreateStatementException.class)
public void testBailsOutOnInvalidInput() throws Exception
{
rewrite("select * from something\n where id = :\u0087\u008e\u0092\u0097\u009c");
}
@Test
public void testSubstitutesDefinedAttributes() throws Exception
{
Map<String, Object> attributes = ImmutableMap.of(
"column", "foo",
"table", "bar");
RewrittenStatement rws = rewrite("select <column> from <table> where <column> = :someValue", attributes);
assertThat(rws.getSql()).isEqualTo("select foo from bar where foo = ?");
}
@Test(expected = UnableToCreateStatementException.class)
public void testUndefinedAttribute() throws Exception
{
rewrite("select * from <table>", Collections.emptyMap());
}
@Test
public void testLeaveEnquotedTokensIntact() throws Exception
{
String sql = "select '<foo>' foo, \"<bar>\" bar from something";
assertThat(rewrite(sql, ImmutableMap.of("foo", "no", "bar", "stahp")).getSql()).isEqualTo(sql);
}
@Test
public void testIgnoreAngleBracketsNotPartOfToken() throws Exception
{
String sql = "select * from foo where end_date < ? and start_date > ?";
assertThat(rewrite(sql).getSql()).isEqualTo(sql);
}
@Test
public void testCachesRewrittenStatements() throws Exception
{
final AtomicInteger ctr = new AtomicInteger(0);
rw = new ColonPrefixStatementRewriter()
{
@Override
ParsedStatement rewriteNamedParameters(final String sql) throws IllegalArgumentException
{
ctr.incrementAndGet();
return super.rewriteNamedParameters(sql);
}
};
rewrite("insert into something (id, name) values (:id, :name)");
assertThat(ctr.get()).isEqualTo(1);
rewrite("insert into something (id, name) values (:id, :name)");
assertThat(ctr.get()).isEqualTo(1);
}
@Test
public void testCommentQuote() throws Exception
{
String sql = "select 1 /* ' \" <foo> */";
assertThat(rewrite(sql).getSql()).isEqualTo(sql);
}
@Test
public void testColonInComment() throws Exception {
String sql = "/* comment with : colons :: inside it */ select 1";
assertThat(rewrite(sql).getSql()).isEqualTo(sql);
}
}