Sync ScriptUtilsUnitTests implementations to simplify maintenance

spring-jdbc/src/test/java/org/springframework/jdbc/datasource/init/ScriptUtilsUnitTests.java

@@ -19,6 +19,7 @@ package org.springframework.jdbc.datasource.init;
 import java.util.ArrayList;
 import java.util.List;
 
+import org.assertj.core.util.Strings;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.CsvSource;
@@ -55,10 +56,13 @@ public class ScriptUtilsUnitTests {
 		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;
+
+		String delimiter = ";";
+		String script = Strings.join(rawStatement1, rawStatement2, rawStatement3).with(delimiter);
+
 		List<String> statements = new ArrayList<>();
-		splitSqlScript(script, delim, statements);
+		splitSqlScript(script, delimiter, statements);
+
 		assertThat(statements).containsExactly(cleanedStatement1, cleanedStatement2, cleanedStatement3);
 	}
 
@@ -67,10 +71,13 @@ public class ScriptUtilsUnitTests {
 		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;
+
+		String delimiter = "\n";
+		String script = Strings.join(statement1, statement2, statement3).with(delimiter);
+
 		List<String> statements = new ArrayList<>();
-		splitSqlScript(script, delim, statements);
+		splitSqlScript(script, delimiter, statements);
+
 		assertThat(statements).containsExactly(statement1, statement2, statement3);
 	}
 
@@ -78,21 +85,27 @@ public class ScriptUtilsUnitTests {
 	public void splitSqlScriptDelimitedWithNewLineButDefaultDelimiterSpecified() {
 		String statement1 = "do something";
 		String statement2 = "do something else";
-		char delim = '\n';
-		String script = statement1 + delim + statement2 + delim;
+
+		String script = Strings.join(statement1, statement2).with("\n");
+
 		List<String> statements = new ArrayList<>();
+
 		splitSqlScript(script, DEFAULT_STATEMENT_SEPARATOR, statements);
+
 		assertThat(statements).as("stripped but not split statements").containsExactly(script.replace('\n', ' '));
 	}
 
 	@Test  // SPR-13218
-	public void splitScriptWithSingleQuotesNestedInsideDoubleQuotes() throws Exception {
+	public void splitScriptWithSingleQuotesNestedInsideDoubleQuotes() {
 		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;
+
+		String delimiter = ";";
+		String script = Strings.join(statement1, statement2).with(delimiter);
+
 		List<String> statements = new ArrayList<>();
-		splitSqlScript(script, ';', statements);
+		splitSqlScript(script, delimiter, statements);
+
 		assertThat(statements).containsExactly(statement1, statement2);
 	}
 
@@ -101,8 +114,10 @@ public class ScriptUtilsUnitTests {
 		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')";
+
 		assertThat(statements).containsExactly(statement1, statement2);
 	}
 
@@ -124,15 +139,17 @@ public class ScriptUtilsUnitTests {
 		splitScriptContainingComments(script, "--", "#", "^");
 	}
 
-	private void splitScriptContainingComments(String script, String... commentPrefixes) throws Exception {
+	private void splitScriptContainingComments(String script, String... commentPrefixes) {
 		List<String> statements = new ArrayList<>();
 		splitSqlScript(null, script, ";", commentPrefixes, DEFAULT_BLOCK_COMMENT_START_DELIMITER,
 				DEFAULT_BLOCK_COMMENT_END_DELIMITER, 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' )";
+
 		assertThat(statements).containsExactly(statement1, statement2, statement3, statement4);
 	}
 
@@ -141,9 +158,11 @@ public class ScriptUtilsUnitTests {
 		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)";
+
 		assertThat(statements).containsExactly(statement1, statement2, statement3);
 	}
 
@@ -152,8 +171,10 @@ public class ScriptUtilsUnitTests {
 		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' )";
+
 		assertThat(statements).containsExactly(statement1, statement2);
 	}
 
@@ -162,8 +183,10 @@ public class ScriptUtilsUnitTests {
 		String script = readScript("test-data-with-multi-line-nested-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' )";
+
 		assertThat(statements).containsExactly(statement1, statement2);
 	}
 

spring-r2dbc/src/test/java/org/springframework/r2dbc/connection/init/ScriptUtilsUnitTests.java

@@ -45,6 +45,8 @@ import static org.springframework.r2dbc.connection.init.ScriptUtils.splitSqlScri
  * @author Chris Baldwin
  * @author Nicolas Debeissat
  * @author Mark Paluch
+ * @since 5.3
+ * @see ScriptUtilsIntegrationTests
  */
 public class ScriptUtilsUnitTests {
 
@@ -57,14 +59,13 @@ public class ScriptUtilsUnitTests {
 		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)";
 
-		String script = Strings.join(rawStatement1, rawStatement2, rawStatement3).with(
-				";");
+		String delimiter = ";";
+		String script = Strings.join(rawStatement1, rawStatement2, rawStatement3).with(delimiter);
 
 		List<String> statements = new ArrayList<>();
-		splitSqlScript(script, ";", statements);
+		splitSqlScript(script, delimiter, statements);
 
-		assertThat(statements).hasSize(3).containsSequence(cleanedStatement1,
-				cleanedStatement2, cleanedStatement3);
+		assertThat(statements).containsExactly(cleanedStatement1, cleanedStatement2, cleanedStatement3);
 	}
 
 	@Test
@@ -73,13 +74,13 @@ public class ScriptUtilsUnitTests {
 		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)";
 
-		String script = Strings.join(statement1, statement2, statement3).with("\n");
+		String delimiter = "\n";
+		String script = Strings.join(statement1, statement2, statement3).with(delimiter);
 
 		List<String> statements = new ArrayList<>();
-		splitSqlScript(script, "\n", statements);
+		splitSqlScript(script, delimiter, statements);
 
-		assertThat(statements).hasSize(3).containsSequence(statement1, statement2,
-				statement3);
+		assertThat(statements).containsExactly(statement1, statement2, statement3);
 	}
 
 	@Test
@@ -87,57 +88,50 @@ public class ScriptUtilsUnitTests {
 		String statement1 = "do something";
 		String statement2 = "do something else";
 
-		char delim = '\n';
-		String script = statement1 + delim + statement2 + delim;
+		String script = Strings.join(statement1, statement2).with("\n");
 
 		List<String> statements = new ArrayList<>();
 
-		splitSqlScript(script, DEFAULT_STATEMENT_SEPARATOR,
-				statements);
+		splitSqlScript(script, DEFAULT_STATEMENT_SEPARATOR, statements);
 
-		assertThat(statements).hasSize(1).contains(script.replace('\n', ' '));
+		assertThat(statements).as("stripped but not split statements").containsExactly(script.replace('\n', ' '));
 	}
 
-	@Test
+	@Test  // SPR-13218
 	public void splitScriptWithSingleQuotesNestedInsideDoubleQuotes() {
 		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;
+		String delimiter = ";";
+		String script = Strings.join(statement1, statement2).with(delimiter);
 
 		List<String> statements = new ArrayList<>();
-		splitSqlScript(script, ';', statements);
+		splitSqlScript(script, delimiter, statements);
 
-		assertThat(statements).hasSize(2).containsSequence(statement1, statement2);
+		assertThat(statements).containsExactly(statement1, statement2);
 	}
 
-	@Test
-	public void readAndSplitScriptWithMultipleNewlinesAsSeparator() {
+	@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 users (last_name) values ('Walter')";
-		String statement2 = "insert into users (last_name) values ('Jesse')";
+		String statement1 = "insert into T_TEST (NAME) values ('Keith')";
+		String statement2 = "insert into T_TEST (NAME) values ('Dave')";
 
-		assertThat(statements.size()).as("wrong number of statements").isEqualTo(2);
-		assertThat(statements.get(0)).as("statement 1 not split correctly").isEqualTo(
-				statement1);
-		assertThat(statements.get(1)).as("statement 2 not split correctly").isEqualTo(
-				statement2);
+		assertThat(statements).containsExactly(statement1, statement2);
 	}
 
 	@Test
-	public void readAndSplitScriptContainingComments() {
+	public void readAndSplitScriptContainingComments() throws Exception {
 		String script = readScript("test-data-with-comments.sql");
 		splitScriptContainingComments(script, DEFAULT_COMMENT_PREFIXES);
 	}
 
 	@Test
-	public void readAndSplitScriptContainingCommentsWithWindowsLineEnding() {
-		String script = readScript("test-data-with-comments.sql").replaceAll("\n",
-				"\r\n");
+	public void readAndSplitScriptContainingCommentsWithWindowsLineEnding() throws Exception {
+		String script = readScript("test-data-with-comments.sql").replaceAll("\n", "\r\n");
 		splitScriptContainingComments(script, DEFAULT_COMMENT_PREFIXES);
 	}
 
@@ -155,48 +149,47 @@ public class ScriptUtilsUnitTests {
 		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' )";
 
-		assertThat(statements).hasSize(4).containsSequence(statement1, statement2,
-				statement3, statement4);
+		assertThat(statements).containsExactly(statement1, statement2, statement3, statement4);
 	}
 
-	@Test
-	public void readAndSplitScriptContainingCommentsWithLeadingTabs() {
+	@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, 'Walter White')";
+		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)";
 
-		assertThat(statements).hasSize(3).containsSequence(statement1, statement2,
-				statement3);
+		assertThat(statements).containsExactly(statement1, statement2, statement3);
 	}
 
-	@Test
-	public void readAndSplitScriptContainingMultiLineComments() {
+	@Test  // SPR-9531
+	public void readAndSplitScriptContainingMultiLineComments() 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('Walter', 'White')";
-		String statement2 = "INSERT INTO users(first_name, last_name) VALUES( 'Jesse' , 'Pinkman' )";
+		String statement1 = "INSERT INTO users(first_name, last_name) VALUES('Juergen', 'Hoeller')";
+		String statement2 = "INSERT INTO users(first_name, last_name) VALUES( 'Sam' , 'Brannen' )";
 
-		assertThat(statements).hasSize(2).containsSequence(statement1, statement2);
+		assertThat(statements).containsExactly(statement1, statement2);
 	}
 
 	@Test
-	public void readAndSplitScriptContainingMultiLineNestedComments() {
+	public void readAndSplitScriptContainingMultiLineNestedComments() throws Exception {
 		String script = readScript("test-data-with-multi-line-nested-comments.sql");
 		List<String> statements = new ArrayList<>();
 		splitSqlScript(script, ';', statements);
 
-		String statement1 = "INSERT INTO users(first_name, last_name) VALUES('Walter', 'White')";
-		String statement2 = "INSERT INTO users(first_name, last_name) VALUES( 'Jesse' , 'Pinkman' )";
+		String statement1 = "INSERT INTO users(first_name, last_name) VALUES('Juergen', 'Hoeller')";
+		String statement2 = "INSERT INTO users(first_name, last_name) VALUES( 'Sam' , 'Brannen' )";
 
-		assertThat(statements).hasSize(2).containsSequence(statement1, statement2);
+		assertThat(statements).containsExactly(statement1, statement2);
 	}
 
 	@ParameterizedTest
@@ -220,9 +213,8 @@ public class ScriptUtilsUnitTests {
 		assertThat(containsSqlScriptDelimiters(script, delimiter)).isEqualTo(expected);
 	}
 
-	private String readScript(String path) {
-		EncodedResource resource = new EncodedResource(
-				new ClassPathResource(path, getClass()));
+	private String readScript(String path) throws Exception {
+		EncodedResource resource = new EncodedResource(new ClassPathResource(path, getClass()));
 		return ScriptUtils.readScript(resource, DefaultDataBufferFactory.sharedInstance).block();
 	}
 

spring-r2dbc/src/test/resources/org/springframework/r2dbc/connection/init/db-test-data-multi-newline.sql

@@ -1,5 +1,5 @@
-insert into users (last_name)
-values ('Walter')
+insert into T_TEST (NAME) 
+values ('Keith')
 
-insert into users (last_name)
-values ('Jesse')
+insert into T_TEST (NAME)
+values ('Dave')

spring-r2dbc/src/test/resources/org/springframework/r2dbc/connection/init/test-data-with-comments-and-leading-tabs.sql

@@ -2,7 +2,7 @@
 	-- x, y, z...
 
 insert into customer (id, name)
-values	(1, 'Walter White');
+values	(1, 'Sam Brannen');
 	-- This is also a comment with a leading tab.
 insert into orders(id, order_date, customer_id) values (1, '2013-06-08', 1);
 	 	-- This is also a comment with a leading tab, a space, and a tab.

spring-r2dbc/src/test/resources/org/springframework/r2dbc/connection/init/test-data-with-multi-line-comments.sql

@@ -1,17 +1,17 @@
 /* This is a multi line comment
- * The next comment line has no text
+ * The next comment line has no text 
 
  * The next comment line starts with a space.
- *  x, y, z...
+ *  x, y, z... 
  */
 
-INSERT INTO users(first_name, last_name) VALUES('Walter', 'White');
+INSERT INTO users(first_name, last_name) VALUES('Juergen', 'Hoeller');
 -- This is also a comment.
-/*
+/* 
  * Let's add another comment
  * that covers multiple lines
  */INSERT INTO
 users(first_name, last_name)
-VALUES( 'Jesse'     -- first_name
-      , 'Pinkman' -- last_name
-);--
+VALUES( 'Sam'     -- first_name
+      , 'Brannen' -- last_name
+);--

spring-r2dbc/src/test/resources/org/springframework/r2dbc/connection/init/test-data-with-multi-line-nested-comments.sql

@@ -5,7 +5,7 @@
  *  x, y, z...
  */
 
-INSERT INTO users(first_name, last_name) VALUES('Walter', 'White');
+INSERT INTO users(first_name, last_name) VALUES('Juergen', 'Hoeller');
 -- This is also a comment.
 /*-------------------------------------------
 -- A fancy multi-line comments that puts
@@ -18,6 +18,6 @@ already inside a multi-line comment run.
 -------------------------------------------*/
  INSERT INTO
 users(first_name, last_name)    -- This is a single line comment containing the block-end-comment sequence here */ but it's still a single-line comment
-VALUES( 'Jesse'     -- first_name
-      , 'Pinkman' -- last_name
-);--
+VALUES( 'Sam'     -- first_name
+      , 'Brannen' -- last_name
+);--