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1/*
2 * Copyright (c) Contributors, http://opensimulator.org/
3 * See CONTRIBUTORS.TXT for a full list of copyright holders.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the OpenSimulator Project nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28using System;
29using System.IO;
30using System.Collections.Generic;
31using log4net.Config;
32using NUnit.Framework;
33using NUnit.Framework.Constraints;
34using OpenMetaverse;
35using OpenSim.Framework;
36using log4net;
37using System.Data;
38using System.Data.Common;
39using System.Reflection;
40
41namespace OpenSim.Data.Tests
42{
43 /// <summary>This is a base class for testing any Data service for any DBMS.
44 /// Requires NUnit 2.5 or better (to support the generics).
45 /// </summary>
46 /// <typeparam name="TConn"></typeparam>
47 /// <typeparam name="TService"></typeparam>
48 public class BasicDataServiceTest<TConn, TService>
49 where TConn : DbConnection, new()
50 where TService : class, new()
51 {
52 protected string m_connStr;
53 private TService m_service;
54 private string m_file;
55
56 // TODO: Is this in the right place here?
57 // Later: apparently it's not, but does it matter here?
58// protected static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
59
60 protected ILog m_log; // doesn't matter here that it's not static, init to correct type in instance .ctor
61
62 public BasicDataServiceTest()
63 : this("")
64 {
65 }
66
67 public BasicDataServiceTest(string conn)
68 {
69 m_connStr = !String.IsNullOrEmpty(conn) ? conn : DefaultTestConns.Get(typeof(TConn));
70
71 m_log = LogManager.GetLogger(this.GetType());
72 OpenSim.Tests.Common.TestLogging.LogToConsole(); // TODO: Is that right?
73 }
74
75 /// <summary>
76 /// To be overridden in derived classes. Do whatever init with the m_service, like setting the conn string to it.
77 /// You'd probably want to to cast the 'service' to a more specific type and store it in a member var.
78 /// This framework takes care of disposing it, if it's disposable.
79 /// </summary>
80 /// <param name="service">The service being tested</param>
81 protected virtual void InitService(object service)
82 {
83 }
84
85 [TestFixtureSetUp]
86 public void Init()
87 {
88 // Sorry, some SQLite-specific stuff goes here (not a big deal, as its just some file ops)
89 if (typeof(TConn).Name.StartsWith("Sqlite"))
90 {
91 // SQLite doesn't work on power or z linux
92 if (Directory.Exists("/proc/ppc64") || Directory.Exists("/proc/dasd"))
93 Assert.Ignore();
94
95 // for SQLite, if no explicit conn string is specified, use a temp file
96 if (String.IsNullOrEmpty(m_connStr))
97 {
98 m_file = Path.GetTempFileName() + ".db";
99 m_connStr = "URI=file:" + m_file + ",version=3";
100 }
101 }
102
103 if (String.IsNullOrEmpty(m_connStr))
104 {
105 string msg = String.Format("Connection string for {0} is not defined, ignoring tests", typeof(TConn).Name);
106 m_log.Warn(msg);
107 Assert.Ignore(msg);
108 }
109
110 // Try the connection, ignore tests if Open() fails
111 using (TConn conn = new TConn())
112 {
113 conn.ConnectionString = m_connStr;
114 try
115 {
116 conn.Open();
117 conn.Close();
118 }
119 catch
120 {
121 string msg = String.Format("{0} is unable to connect to the database, ignoring tests", typeof(TConn).Name);
122 m_log.Warn(msg);
123 Assert.Ignore(msg);
124 }
125 }
126
127 // If we manage to connect to the database with the user
128 // and password above it is our test database, and run
129 // these tests. If anything goes wrong, ignore these
130 // tests.
131 try
132 {
133 m_service = new TService();
134 InitService(m_service);
135 }
136 catch (Exception e)
137 {
138 m_log.Error(e.ToString());
139 Assert.Ignore();
140 }
141 }
142
143 [TestFixtureTearDown]
144 public void Cleanup()
145 {
146 if (m_service != null)
147 {
148 if (m_service is IDisposable)
149 ((IDisposable)m_service).Dispose();
150 m_service = null;
151 }
152
153 if (!String.IsNullOrEmpty(m_file) && File.Exists(m_file))
154 File.Delete(m_file);
155 }
156
157 protected virtual DbConnection Connect()
158 {
159 DbConnection cnn = new TConn();
160 cnn.ConnectionString = m_connStr;
161 cnn.Open();
162 return cnn;
163 }
164
165 protected virtual void ExecuteSql(string sql)
166 {
167 using (DbConnection dbcon = Connect())
168 {
169 using (DbCommand cmd = dbcon.CreateCommand())
170 {
171 cmd.CommandText = sql;
172 cmd.ExecuteNonQuery();
173 }
174 }
175 }
176
177 protected delegate bool ProcessRow(IDataReader reader);
178
179 protected virtual int ExecQuery(string sql, bool bSingleRow, ProcessRow action)
180 {
181 int nRecs = 0;
182 using (DbConnection dbcon = Connect())
183 {
184 using (DbCommand cmd = dbcon.CreateCommand())
185 {
186 cmd.CommandText = sql;
187 CommandBehavior cb = bSingleRow ? CommandBehavior.SingleRow : CommandBehavior.Default;
188 using (DbDataReader rdr = cmd.ExecuteReader(cb))
189 {
190 while (rdr.Read())
191 {
192 nRecs++;
193 if (!action(rdr))
194 break;
195 }
196 }
197 }
198 }
199 return nRecs;
200 }
201
202 /// <summary>Drop tables (listed as parameters). There is no "DROP IF EXISTS" syntax common for all
203 /// databases, so we just DROP and ignore an exception.
204 /// </summary>
205 /// <param name="tables"></param>
206 protected virtual void DropTables(params string[] tables)
207 {
208 foreach (string tbl in tables)
209 {
210 try
211 {
212 ExecuteSql("DROP TABLE " + tbl + ";");
213 }catch
214 {
215 }
216 }
217 }
218
219 /// <summary>Clear tables listed as parameters (without dropping them).
220 /// </summary>
221 /// <param name="tables"></param>
222 protected virtual void ResetMigrations(params string[] stores)
223 {
224 string lst = "";
225 foreach (string store in stores)
226 {
227 string s = "'" + store + "'";
228 if (lst == "")
229 lst = s;
230 else
231 lst += ", " + s;
232 }
233
234 string sCond = stores.Length > 1 ? ("in (" + lst + ")") : ("=" + lst);
235 try
236 {
237 ExecuteSql("DELETE FROM migrations where name " + sCond);
238 }
239 catch
240 {
241 }
242 }
243
244 /// <summary>Clear tables listed as parameters (without dropping them).
245 /// </summary>
246 /// <param name="tables"></param>
247 protected virtual void ClearTables(params string[] tables)
248 {
249 foreach (string tbl in tables)
250 {
251 try
252 {
253 ExecuteSql("DELETE FROM " + tbl + ";");
254 }
255 catch
256 {
257 }
258 }
259 }
260 }
261}