/*
* Copyright 2002-2016 the original author or authors.
*
* 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.springframework.jdbc.datasource.init;
import java.util.ArrayList;
import java.util.List;
import org.junit.Test;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.support.EncodedResource;
import static org.junit.Assert.*;
import static org.springframework.jdbc.datasource.init.ScriptUtils.*;
/**
* Unit tests for {@link ScriptUtils}.
*
* @author Thomas Risberg
* @author Sam Brannen
* @author Phillip Webb
* @author Chris Baldwin
* @author Nicolas Debeissat
* @since 4.0.3
* @see ScriptUtilsIntegrationTests
*/
public class ScriptUtilsUnitTests {
@Test
public void splitSqlScriptDelimitedWithSemicolon() {
String rawStatement1 = "insert into customer (id, name)\nvalues (1, 'Rod ; Johnson'), (2, 'Adrian \n Collier')";
String cleanedStatement1 = "insert into customer (id, name) values (1, 'Rod ; Johnson'), (2, 'Adrian \n Collier')";
String rawStatement2 = "insert into orders(id, order_date, customer_id)\nvalues (1, '2008-01-02', 2)";
String cleanedStatement2 = "insert into orders(id, order_date, customer_id) values (1, '2008-01-02', 2)";
String rawStatement3 = "insert into orders(id, order_date, customer_id) values (1, '2008-01-02', 2)";
String cleanedStatement3 = "insert into orders(id, order_date, customer_id) values (1, '2008-01-02', 2)";
char delim = ';';
String script = rawStatement1 + delim + rawStatement2 + delim + rawStatement3 + delim;
List<String> statements = new ArrayList<>();
splitSqlScript(script, delim, statements);
assertEquals("wrong number of statements", 3, statements.size());
assertEquals("statement 1 not split correctly", cleanedStatement1, statements.get(0));
assertEquals("statement 2 not split correctly", cleanedStatement2, statements.get(1));
assertEquals("statement 3 not split correctly", cleanedStatement3, statements.get(2));
}
@Test
public void splitSqlScriptDelimitedWithNewLine() {
String statement1 = "insert into customer (id, name) values (1, 'Rod ; Johnson'), (2, 'Adrian \n Collier')";
String statement2 = "insert into orders(id, order_date, customer_id) values (1, '2008-01-02', 2)";
String statement3 = "insert into orders(id, order_date, customer_id) values (1, '2008-01-02', 2)";
char delim = '\n';
String script = statement1 + delim + statement2 + delim + statement3 + delim;
List<String> statements = new ArrayList<>();
splitSqlScript(script, delim, statements);
assertEquals("wrong number of statements", 3, statements.size());
assertEquals("statement 1 not split correctly", statement1, statements.get(0));
assertEquals("statement 2 not split correctly", statement2, statements.get(1));
assertEquals("statement 3 not split correctly", statement3, statements.get(2));
}
@Test
public void splitSqlScriptDelimitedWithNewLineButDefaultDelimiterSpecified() {
String statement1 = "do something";
String statement2 = "do something else";
char delim = '\n';
String script = statement1 + delim + statement2 + delim;
List<String> statements = new ArrayList<>();
splitSqlScript(script, DEFAULT_STATEMENT_SEPARATOR, statements);
assertEquals("wrong number of statements", 1, statements.size());
assertEquals("script should have been 'stripped' but not actually 'split'", script.replace('\n', ' '),
statements.get(0));
}
@Test // SPR-13218
public void splitScriptWithSingleQuotesNestedInsideDoubleQuotes() throws Exception {
String statement1 = "select '1' as \"Dogbert's owner's\" from dual";
String statement2 = "select '2' as \"Dilbert's\" from dual";
char delim = ';';
String script = statement1 + delim + statement2 + delim;
List<String> statements = new ArrayList<>();
splitSqlScript(script, ';', statements);
assertEquals("wrong number of statements", 2, statements.size());
assertEquals("statement 1 not split correctly", statement1, statements.get(0));
assertEquals("statement 2 not split correctly", statement2, statements.get(1));
}
@Test // SPR-11560
public void readAndSplitScriptWithMultipleNewlinesAsSeparator() throws Exception {
String script = readScript("db-test-data-multi-newline.sql");
List<String> statements = new ArrayList<>();
splitSqlScript(script, "\n\n", statements);
String statement1 = "insert into T_TEST (NAME) values ('Keith')";
String statement2 = "insert into T_TEST (NAME) values ('Dave')";
assertEquals("wrong number of statements", 2, statements.size());
assertEquals("statement 1 not split correctly", statement1, statements.get(0));
assertEquals("statement 2 not split correctly", statement2, statements.get(1));
}
@Test
public void readAndSplitScriptContainingComments() throws Exception {
String script = readScript("test-data-with-comments.sql");
List<String> statements = new ArrayList<>();
splitSqlScript(script, ';', statements);
String statement1 = "insert into customer (id, name) values (1, 'Rod; Johnson'), (2, 'Adrian Collier')";
String statement2 = "insert into orders(id, order_date, customer_id) values (1, '2008-01-02', 2)";
String statement3 = "insert into orders(id, order_date, customer_id) values (1, '2008-01-02', 2)";
// Statement 4 addresses the error described in SPR-9982.
String statement4 = "INSERT INTO persons( person_id , name) VALUES( 1 , 'Name' )";
assertEquals("wrong number of statements", 4, statements.size());
assertEquals("statement 1 not split correctly", statement1, statements.get(0));
assertEquals("statement 2 not split correctly", statement2, statements.get(1));
assertEquals("statement 3 not split correctly", statement3, statements.get(2));
assertEquals("statement 4 not split correctly", statement4, statements.get(3));
}
@Test // SPR-10330
public void readAndSplitScriptContainingCommentsWithLeadingTabs() throws Exception {
String script = readScript("test-data-with-comments-and-leading-tabs.sql");
List<String> statements = new ArrayList<>();
splitSqlScript(script, ';', statements);
String statement1 = "insert into customer (id, name) values (1, 'Sam Brannen')";
String statement2 = "insert into orders(id, order_date, customer_id) values (1, '2013-06-08', 1)";
String statement3 = "insert into orders(id, order_date, customer_id) values (2, '2013-06-08', 1)";
assertEquals("wrong number of statements", 3, statements.size());
assertEquals("statement 1 not split correctly", statement1, statements.get(0));
assertEquals("statement 2 not split correctly", statement2, statements.get(1));
assertEquals("statement 3 not split correctly", statement3, statements.get(2));
}
@Test // SPR-9531
public void readAndSplitScriptContainingMuliLineComments() throws Exception {
String script = readScript("test-data-with-multi-line-comments.sql");
List<String> statements = new ArrayList<>();
splitSqlScript(script, ';', statements);
String statement1 = "INSERT INTO users(first_name, last_name) VALUES('Juergen', 'Hoeller')";
String statement2 = "INSERT INTO users(first_name, last_name) VALUES( 'Sam' , 'Brannen' )";
assertEquals("wrong number of statements", 2, statements.size());
assertEquals("statement 1 not split correctly", statement1, statements.get(0));
assertEquals("statement 2 not split correctly", statement2, statements.get(1));
}
@Test
public void containsDelimiters() {
assertFalse(containsSqlScriptDelimiters("select 1\n select ';'", ";"));
assertTrue(containsSqlScriptDelimiters("select 1; select 2", ";"));
assertFalse(containsSqlScriptDelimiters("select 1; select '\\n\n';", "\n"));
assertTrue(containsSqlScriptDelimiters("select 1\n select 2", "\n"));
assertFalse(containsSqlScriptDelimiters("select 1\n select 2", "\n\n"));
assertTrue(containsSqlScriptDelimiters("select 1\n\n select 2", "\n\n"));
}
private String readScript(String path) throws Exception {
EncodedResource resource = new EncodedResource(new ClassPathResource(path, getClass()));
return ScriptUtils.readScript(resource);
}
}