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new 542fbab [ISSUE #10992] Add unit test for
shardingsphere-sql-parser-engine (#11107)
542fbab is described below
commit 542fbabd72dda8ce3e5b6e8fd424ac1ec075a81d
Author: ZZQ的 <[email protected]>
AuthorDate: Mon Jul 5 13:20:27 2021 +0800
[ISSUE #10992] Add unit test for shardingsphere-sql-parser-engine (#11107)
* [ISSUE ##10992] Add unit test for SQLParserEngine
* [ISSUE ##10992] Perfect SQLParserEngine
* [ISSUE ##10992] Modify the extra blank lines. delete annotations.
* [ISSUE ##10992] Format code.
* [ISSUE #10992] Add unit test for SQLParserFactoryTest
* Define test classes as final classes
---
.../sql/parser/api/SQLParserEngineTest.java | 74 ++++++++++++++++++++++
.../SQLParserFactoryTest.java} | 24 +++++--
.../sql/parser/fixture/LexerFixture.java | 24 ++++++-
.../sql/parser/fixture/ParserFixture.java | 29 ++++++++-
4 files changed, 143 insertions(+), 8 deletions(-)
diff --git
a/shardingsphere-sql-parser/shardingsphere-sql-parser-engine/src/test/java/org/apache/shardingsphere/sql/parser/api/SQLParserEngineTest.java
b/shardingsphere-sql-parser/shardingsphere-sql-parser-engine/src/test/java/org/apache/shardingsphere/sql/parser/api/SQLParserEngineTest.java
new file mode 100644
index 0000000..b24da02
--- /dev/null
+++
b/shardingsphere-sql-parser/shardingsphere-sql-parser-engine/src/test/java/org/apache/shardingsphere/sql/parser/api/SQLParserEngineTest.java
@@ -0,0 +1,74 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.shardingsphere.sql.parser.api;
+
+import com.google.common.cache.CacheBuilder;
+import com.google.common.cache.CacheLoader;
+import com.google.common.cache.LoadingCache;
+import org.antlr.v4.runtime.tree.ParseTree;
+import
org.apache.shardingsphere.sql.parser.core.database.parser.SQLParserExecutor;
+import org.junit.Test;
+
+import javax.annotation.ParametersAreNonnullByDefault;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
+
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+public final class SQLParserEngineTest {
+
+ private static final String SQL = "SELECT COUNT(*) FROM user";
+
+ @Test
+ public void assertParse() throws NoSuchFieldException,
IllegalAccessException {
+ SQLParserExecutor sqlParserExecutor = mock(SQLParserExecutor.class);
+ when(sqlParserExecutor.parse(SQL)).thenReturn(mock(ParseTree.class));
+ SQLParserEngine sqlParserEngine = new SQLParserEngine("H2");
+ Field sqlParserExecutorFiled =
sqlParserEngine.getClass().getDeclaredField("sqlParserExecutor");
+ Field modifiersField = Field.class.getDeclaredField("modifiers");
+ modifiersField.setAccessible(true);
+ modifiersField.setInt(sqlParserExecutorFiled,
sqlParserExecutorFiled.getModifiers() & ~Modifier.FINAL);
+ Field modifiersField2 = Field.class.getDeclaredField("modifiers");
+ modifiersField2.setAccessible(true);
+ Field parseTreeCacheField =
sqlParserEngine.getClass().getDeclaredField("parseTreeCache");
+ modifiersField2.setInt(parseTreeCacheField,
sqlParserExecutorFiled.getModifiers() & ~Modifier.FINAL);
+ sqlParserExecutorFiled.setAccessible(true);
+ parseTreeCacheField.setAccessible(true);
+ sqlParserExecutorFiled.set(sqlParserEngine, sqlParserExecutor);
+ LoadingCache<String, ParseTree> parseTreeCache =
CacheBuilder.newBuilder().softValues().initialCapacity(128)
+ .maximumSize(1024).concurrencyLevel(4).build(new
CacheLoader<String, ParseTree>() {
+ @ParametersAreNonnullByDefault
+ @Override
+ public ParseTree load(final String sql) {
+ return sqlParserExecutor.parse(sql);
+ }
+ });
+ parseTreeCacheField.set(sqlParserEngine, parseTreeCache);
+ sqlParserEngine.parse(SQL, true);
+ verify(sqlParserExecutor, times(1)).parse(SQL);
+ sqlParserEngine.parse(SQL, true);
+ verify(sqlParserExecutor, times(1)).parse(SQL);
+ sqlParserEngine.parse(SQL, false);
+ verify(sqlParserExecutor, times(2)).parse(SQL);
+ }
+
+}
diff --git
a/shardingsphere-sql-parser/shardingsphere-sql-parser-engine/src/test/java/org/apache/shardingsphere/sql/parser/fixture/ParserFixture.java
b/shardingsphere-sql-parser/shardingsphere-sql-parser-engine/src/test/java/org/apache/shardingsphere/sql/parser/core/SQLParserFactoryTest.java
similarity index 51%
copy from
shardingsphere-sql-parser/shardingsphere-sql-parser-engine/src/test/java/org/apache/shardingsphere/sql/parser/fixture/ParserFixture.java
copy to
shardingsphere-sql-parser/shardingsphere-sql-parser-engine/src/test/java/org/apache/shardingsphere/sql/parser/core/SQLParserFactoryTest.java
index 4396e34..b2eaf95 100644
---
a/shardingsphere-sql-parser/shardingsphere-sql-parser-engine/src/test/java/org/apache/shardingsphere/sql/parser/fixture/ParserFixture.java
+++
b/shardingsphere-sql-parser/shardingsphere-sql-parser-engine/src/test/java/org/apache/shardingsphere/sql/parser/core/SQLParserFactoryTest.java
@@ -15,15 +15,27 @@
* limitations under the License.
*/
-package org.apache.shardingsphere.sql.parser.fixture;
+package org.apache.shardingsphere.sql.parser.core;
+import org.apache.shardingsphere.sql.parser.api.parser.SQLLexer;
import org.apache.shardingsphere.sql.parser.api.parser.SQLParser;
-import org.apache.shardingsphere.sql.parser.api.visitor.ASTNode;
+import org.apache.shardingsphere.sql.parser.fixture.LexerFixture;
+import org.apache.shardingsphere.sql.parser.fixture.ParserFixture;
+import org.junit.Test;
-public final class ParserFixture implements SQLParser {
+import static org.mockito.Mockito.mock;
+import static org.junit.Assert.assertThat;
+import static org.hamcrest.CoreMatchers.instanceOf;
+
+public final class SQLParserFactoryTest {
+
+ private static final String SQL = "SELECT COUNT(*) FROM user";
- @Override
- public ASTNode parse() {
- return null;
+ @Test
+ public void newInstance() {
+ SQLLexer sqlLexer = mock(LexerFixture.class);
+ SQLParser sqlParser = mock(ParserFixture.class);
+ SQLParser result = SQLParserFactory.newInstance(SQL,
sqlLexer.getClass(), sqlParser.getClass());
+ assertThat(result, instanceOf(ParserFixture.class));
}
}
diff --git
a/shardingsphere-sql-parser/shardingsphere-sql-parser-engine/src/test/java/org/apache/shardingsphere/sql/parser/fixture/LexerFixture.java
b/shardingsphere-sql-parser/shardingsphere-sql-parser-engine/src/test/java/org/apache/shardingsphere/sql/parser/fixture/LexerFixture.java
index baf3768..42575f1 100644
---
a/shardingsphere-sql-parser/shardingsphere-sql-parser-engine/src/test/java/org/apache/shardingsphere/sql/parser/fixture/LexerFixture.java
+++
b/shardingsphere-sql-parser/shardingsphere-sql-parser-engine/src/test/java/org/apache/shardingsphere/sql/parser/fixture/LexerFixture.java
@@ -17,7 +17,29 @@
package org.apache.shardingsphere.sql.parser.fixture;
+import org.antlr.v4.runtime.CharStream;
+import org.antlr.v4.runtime.Lexer;
+import org.antlr.v4.runtime.atn.ATN;
import org.apache.shardingsphere.sql.parser.api.parser.SQLLexer;
-public final class LexerFixture implements SQLLexer {
+public final class LexerFixture extends Lexer implements SQLLexer {
+
+ public LexerFixture(final CharStream input) {
+ super(input);
+ }
+
+ @Override
+ public String[] getRuleNames() {
+ return new String[0];
+ }
+
+ @Override
+ public String getGrammarFileName() {
+ return null;
+ }
+
+ @Override
+ public ATN getATN() {
+ return null;
+ }
}
diff --git
a/shardingsphere-sql-parser/shardingsphere-sql-parser-engine/src/test/java/org/apache/shardingsphere/sql/parser/fixture/ParserFixture.java
b/shardingsphere-sql-parser/shardingsphere-sql-parser-engine/src/test/java/org/apache/shardingsphere/sql/parser/fixture/ParserFixture.java
index 4396e34..8d8c147 100644
---
a/shardingsphere-sql-parser/shardingsphere-sql-parser-engine/src/test/java/org/apache/shardingsphere/sql/parser/fixture/ParserFixture.java
+++
b/shardingsphere-sql-parser/shardingsphere-sql-parser-engine/src/test/java/org/apache/shardingsphere/sql/parser/fixture/ParserFixture.java
@@ -17,13 +17,40 @@
package org.apache.shardingsphere.sql.parser.fixture;
+import org.antlr.v4.runtime.Parser;
+import org.antlr.v4.runtime.TokenStream;
+import org.antlr.v4.runtime.atn.ATN;
import org.apache.shardingsphere.sql.parser.api.parser.SQLParser;
import org.apache.shardingsphere.sql.parser.api.visitor.ASTNode;
-public final class ParserFixture implements SQLParser {
+public final class ParserFixture extends Parser implements SQLParser {
+
+ public ParserFixture(final TokenStream input) {
+ super(input);
+ }
@Override
public ASTNode parse() {
return null;
}
+
+ @Override
+ public String[] getTokenNames() {
+ return new String[0];
+ }
+
+ @Override
+ public String[] getRuleNames() {
+ return new String[0];
+ }
+
+ @Override
+ public String getGrammarFileName() {
+ return null;
+ }
+
+ @Override
+ public ATN getATN() {
+ return null;
+ }
}
