| /* |
| * 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.cassandra.cql3; |
| |
| import org.antlr.runtime.CharStream; |
| import org.antlr.runtime.Token; |
| import org.junit.Test; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| public class ErrorCollectorTest |
| { |
| @Test |
| public void testAppendSnippetWithEmptyQuery() |
| { |
| String query = ";"; |
| |
| ErrorCollector collector = new ErrorCollector(query); |
| |
| StringBuilder builder = new StringBuilder(); |
| |
| Token from = new MockToken(1, 0, ";"); |
| Token to = new MockToken(1, 0, ";"); |
| Token offending = new MockToken(1, 0, ";"); |
| |
| collector.appendSnippet(builder, from, to, offending); |
| |
| String expected = " ([;])"; |
| |
| assertEquals(expected, builder.toString()); |
| } |
| |
| @Test |
| public void testAppendSnippetWithOneLines() |
| { |
| String query = "select * from users where user_name = ''test'';"; |
| |
| ErrorCollector collector = new ErrorCollector(query); |
| |
| StringBuilder builder = new StringBuilder(); |
| |
| Token from = new MockToken(1, 25, " "); |
| Token to = new MockToken(1, 46, ";"); |
| Token offending = new MockToken(1, 40, "test"); |
| |
| collector.appendSnippet(builder, from, to, offending); |
| |
| String expected = " (... user_name = ''[test]'';)"; |
| |
| assertEquals(expected, builder.toString()); |
| } |
| |
| @Test |
| public void testAppendSnippetOnSecondLine() |
| { |
| String query = "select * from users\n" + |
| "where user_name = ''test'';"; |
| |
| ErrorCollector collector = new ErrorCollector(query); |
| |
| StringBuilder builder = new StringBuilder(); |
| |
| Token from = new MockToken(2, 5, " "); |
| Token to = new MockToken(2, 26, ";"); |
| Token offending = new MockToken(2, 20, "test"); |
| |
| collector.appendSnippet(builder, from, to, offending); |
| |
| String expected = " (... user_name = ''[test]'';)"; |
| |
| assertEquals(expected, builder.toString()); |
| } |
| |
| @Test |
| public void testAppendSnippetWithSnippetOverTwoLines() |
| { |
| String query = "select * from users where user_name \n" + |
| "= ''test'';"; |
| |
| ErrorCollector collector = new ErrorCollector(query); |
| |
| StringBuilder builder = new StringBuilder(); |
| |
| Token from = new MockToken(1, 20, "where"); |
| Token to = new MockToken(2, 9, "'"); |
| Token offending = new MockToken(2, 4, "test"); |
| |
| collector.appendSnippet(builder, from, to, offending); |
| |
| String expected = " (...where user_name = ''[test]''...)"; |
| |
| assertEquals(expected, builder.toString()); |
| } |
| |
| /** |
| * With ANTLR 3.5.2 it appears that some tokens can contains unexpected values: a line = 0 |
| * and a charPositionInLine = -1. |
| */ |
| @Test |
| public void testAppendSnippetWithInvalidToken() |
| { |
| String query = "select * fom users"; |
| |
| ErrorCollector collector = new ErrorCollector(query); |
| |
| StringBuilder builder = new StringBuilder(); |
| |
| Token from = new MockToken(1, 5, "select"); |
| Token to = new MockToken(0, -1, ""); |
| Token offending = new MockToken(0, -1, ""); |
| |
| collector.appendSnippet(builder, from, to, offending); |
| |
| String expected = ""; |
| |
| assertEquals(expected, builder.toString()); |
| } |
| |
| @Test |
| public void testAppendSnippetWithInvalidToToken() |
| { |
| String query = "CREATE TABLE test (a int PRIMARY KEY, b set<int>;"; |
| |
| ErrorCollector collector = new ErrorCollector(query); |
| |
| StringBuilder builder = new StringBuilder(); |
| |
| Token from = new MockToken(1, 32, " "); |
| Token to = new MockToken(0, -1, "<no text>"); |
| Token offending = new MockToken(1, 48, ";"); |
| |
| collector.appendSnippet(builder, from, to, offending); |
| assertEquals("", builder.toString()); |
| } |
| |
| private final static class MockToken implements Token |
| { |
| /** |
| * The line number on which this token was matched; line=1..n |
| */ |
| private int line; |
| |
| /** |
| * The index of the first character relative to the beginning of the line 0..n-1 |
| */ |
| private int charPositionInLine; |
| |
| /** |
| * The text of the token |
| */ |
| private String text; |
| |
| public MockToken(int line, int charPositionInLine, String text) |
| { |
| this.line = line; |
| this.charPositionInLine = charPositionInLine; |
| this.text = text; |
| } |
| |
| @Override |
| public int getChannel() |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public int getCharPositionInLine() |
| { |
| return charPositionInLine; |
| } |
| |
| @Override |
| public CharStream getInputStream() |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public int getLine() |
| { |
| return line; |
| } |
| |
| @Override |
| public String getText() |
| { |
| return text; |
| } |
| |
| @Override |
| public int getTokenIndex() |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public int getType() |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void setChannel(int channel) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void setCharPositionInLine(int charPositionInLine) |
| { |
| this.charPositionInLine = charPositionInLine; |
| } |
| |
| @Override |
| public void setInputStream(CharStream inputStream) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void setLine(int line) |
| { |
| this.line = line; |
| } |
| |
| @Override |
| public void setText(String text) |
| { |
| this.text = text; |
| } |
| |
| @Override |
| public void setTokenIndex(int tokenIndex) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void setType(int type) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| } |
| } |