1 /*
2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test
26 * @summary Basic tests CSV printing and parsing
27 * @modules jdk.jdeps/com.sun.tools.jdeprscan
28 * @build TestCSV
29 * @run testng jdk.jdeprscan.TestCSV
30 */
31
32 package jdk.jdeprscan;
33
34 import java.io.ByteArrayOutputStream;
35 import java.io.PrintStream;
36 import java.io.UnsupportedEncodingException;
37
38 import java.util.List;
39 import org.testng.annotations.BeforeMethod;
40 import org.testng.annotations.DataProvider;
41 import org.testng.annotations.Test;
42
43 import static org.testng.Assert.assertEquals;
44 import static org.testng.Assert.assertTrue;
45
46 import com.sun.tools.jdeprscan.CSV;
47 import com.sun.tools.jdeprscan.CSVParseException;
48
49 @Test
50 public class TestCSV {
51 static String NL = System.lineSeparator();
52 ByteArrayOutputStream baos;
53 PrintStream out;
54
55 @BeforeMethod
56 public void setup() throws UnsupportedEncodingException {
57 baos = new ByteArrayOutputStream();
58 out = new PrintStream(baos, true, "UTF-8");
59 }
60
61 String result() {
62 out.flush();
63 return new String(baos.toByteArray(), java.nio.charset.StandardCharsets.UTF_8);
64 }
65
66 /**
67 * Asserts string equality after checking for and removing a trailing line separator.
68 *
69 * @param expected expected result
70 */
71 void checkString(String expected) {
72 String actual = result();
73 assertTrue(actual.endsWith(NL));
74 assertEquals(actual.substring(0, actual.length() - NL.length()), expected);
75 }
76
77 @DataProvider(name = "csvdata")
78 public Object[][] getCSVData() {
79 return new Object[][] {
80 { "", List.of("") },
81 { "a", List.of("a") },
82 { "a,b", List.of("a", "b") },
83 { "a,b,c", List.of("a", "b", "c") },
84 { ",a,b", List.of("", "a", "b") },
85 { "a,b,", List.of("a", "b", "") },
86 { ",a,b,", List.of("", "a", "b", "") },
87 { ",a,,b,", List.of("", "a", "", "b", "") },
88 { ",", List.of("", "") },
89 { ",,", List.of("", "", "") },
90 { ",,,", List.of("", "", "", "") },
91 { " a , b ", List.of(" a ", " b ") },
92 { "a,\",\",b", List.of("a", ",", "b") },
93 { "a,\"b\"\"c\",d", List.of("a", "b\"c", "d") },
94 { "a,\"b,c\",d", List.of("a", "b,c", "d") },
95
96 // from https://en.wikipedia.org/wiki/Comma-separated_values
97 // slightly modified to enable round-tripping
98
99 { "Year,Make,Model,Description,Price",
100 List.of("Year", "Make", "Model", "Description", "Price") },
101 { "1997,Ford,E350,\"ac, abs, moon\",3000.00",
102 List.of("1997", "Ford", "E350", "ac, abs, moon", "3000.00") },
103 { "1999,Chevy,\"Venture \"\"Extended Edition\"\"\",,4900.00",
104 List.of("1999", "Chevy", "Venture \"Extended Edition\"", "", "4900.00") },
105 { "1999,Chevy,\"Venture \"\"Extended Edition, Very Large\"\"\",,5000.00",
106 List.of("1999", "Chevy", "Venture \"Extended Edition, Very Large\"", "", "5000.00") },
107 { "1996,Jeep,Grand Cherokee,\"MUST SELL!\nair, moon roof, loaded\",4799.00",
108 List.of("1996", "Jeep", "Grand Cherokee", "MUST SELL!\nair, moon roof, loaded", "4799.00") }
109 };
110 }
111
112 @Test(dataProvider = "csvdata")
113 public void roundTrip(String input, List<String> parsed) {
114 List<String> actual = CSV.split(input);
115 assertEquals(actual, parsed);
116 CSV.write(out, actual.toArray());
117 checkString(input);
118 }
119
120 // won't round-trip
121 public void testExtraQuote() {
122 assertEquals(CSV.split("a,\"b\",c"), List.of("a", "b", "c"));
123 }
124
125 // won't round-trip
126 public void testEmptyQuote() {
127 assertEquals(CSV.split("a,\"\",b"), List.of("a", "", "b"));
128 }
129
130 @Test(expectedExceptions=CSVParseException.class)
131 public void errorUnexpectedQuote() {
132 CSV.split("ab\"cd");
133 }
134
135 @Test(expectedExceptions=CSVParseException.class)
136 public void errorCharacterAfterQuote() {
137 CSV.split("a,\"b\"c,d");
138 }
139
140 @Test(expectedExceptions=CSVParseException.class)
141 public void errorUnclosedQuote() {
142 CSV.split("a,\"b");
143 }
144 }