3 Daily <a href="http://www.go-mono.com/tests/index.php">test</a> results.
5 Testing is an important part of the Mono project: every one of its
6 three major components has a test suite tailored for its needs. This
7 is very helpful, because in the course of developing the software it
8 is very common to introduce bugs in existing code. A test suite
9 helps us fix the bugs as soon as they are introduced.
11 There are various kinds of tests in Mono:
13 <li><a href="#unit"><b>Class Library Unit
14 Tests:</b></a> These are used to test the class
17 <li><a href="#compiler"><b>Compiler tests</b></a>: Both
18 tests that should pass and tests that should fail are included.
20 <li><a href="#runtime"><b>Runtime tests</b></a>: Tests for
23 <li><a href="#aspnet"><b>ASP.NET tests</b></a>: ASP.NET tests.
25 <li><a href="#ws"><b>Web Services tests</b></a>: Web Services
32 All classes in Mono libraries should have comprehensive unit test
33 suites to go with them. Unit testing is a software engineering
34 methodology that makes it easier to build correct code. Every
35 method in every class should have a set of tests to verify
36 that they work correctly. Mono also needs a testing framework
37 to make it easy to write and run lots of tests.
39 In some classes, we might also provide standalone tests because of
40 some reasons such as too huge testcases, another downloading and so on.
41 (For example, managed XSLT has standalone test which downloads and
42 expands some megabytes of OASIS test suite.)
44 Here I list them up as long as I know. If you are going to add another
45 standalone tests, please add one line here. It is also recommended that
46 you add some notes on how to build and run tests.
51 * System.Data/Test, and some individual ADO.NET libraries:
52 there are some standalone tests. See the bottom of <a href="ado-net.html">
53 ADO.NET page</a> for detail.
54 * System.Web/Test/TestMonoWeb : see README
55 * System.Web.Services/Test/standalone : see README
56 * System.Windows.Forms/SWFTest/
57 * System.XML/Test/System.Xml/standalone_tests : see README
58 * System.XML/Test/System.Xml.Schema/standalone_tests : see README
59 * System.XML/System.Xml.Serialization/standalone_tests/
60 * System.XML/Test/System.Xml.Xsl/standalone_tests : see README
61 * Commons.Xml.Relaxng/Test/standalone_tests : see README
67 If you are new to writing NUnit tests, there is a template you may use
68 to help get started. The file is:
70 <b>mcs/class/doc/TemplateTest.cs</b>
72 Save a copy of this file in the appropriate test subdirecty
73 (see below), and replace all the {text} markers with
74 appropriate code. Comments in the template are there to guide
75 you. You should also look at existing tests to see how other
76 people have written them.
77 mcs/class/corlib/Test/System.Collections/CollectionBaseTest.cs
78 is a small one that might help.
80 The directory that will contain your new file depends on the
81 assembly/namespace of the class for which you are creating the
82 tests. Under mcs/class there is a directory for each
83 assembly. In each assembly there is a Test directory,
84 e.g. mcs/class/corlib/Test. In the Test directory there are
85 sub-directories for each namespace in the assembly,
86 e.g. mcs/class/corlib/Test/Sytem. Put your new test file in
87 the appropriate sub-directory under Test for the class you are
90 Once all of that is done, you can do a 'make test' from the top mcs
91 directory. Your test class needs also to be listed in the
92 .sources file at the top of the Test directory.
94 * Tips on writing Unit tests.
96 You should look at the <a href="http://nunit.org">NUnit documentation</a>,
97 as it is a fantastic product, and includes fantastic documentation,
98 but here are some tips for those of you who are already reading
102 ** Provide an unique error message for Assert()
104 Include an unique message for each Assert() so that when the assert
105 fails, it is trivial to locate it in the source. Otherwise, it may be
106 difficult to determine which part of the test is failing. A good way
107 to ensure unique messages is to use something like #A01, #A02 etc.
112 AssertEquals("array match", compare[0], i1[0]);
113 AssertEquals("array match", compare[1], i1[1]);
114 AssertEquals("array match", compare[2], i1[2]);
115 AssertEquals("array match", compare[3], i1[3]);
120 AssertEquals("#A01", compare[0], i1[0]);
121 AssertEquals("#A02", compare[1], i1[1]);
122 AssertEquals("#A03", compare[2], i1[2]);
123 AssertEquals("#A04", compare[3], i1[3]);
126 Once you used such a number in an Assert(), don't change it later on -
127 people might use it it identify the test in bug reports or in mailing
130 ** Use AssertEquals() to compare things, not Assert().
132 Do not compare two values with Assert() - if the test fails,
133 people have no idea what went wrong while AssertEquals()
134 reports the failed value.
138 Assert ("A01", myTicks[0] == t1.Ticks);
143 AssertEquals ("A01", myTicks[0], t1.Ticks);
146 ** Test your test with the Microsoft runtime
148 If possible, try to run your testsuite with the Microsoft runtime on
149 .NET on Windows and make sure all tests in it pass. This is especially
150 important if you're writing a totally new testcase - without this
151 check you can never be sure that your testcase contains no bugs ....
153 Don't worry if you're writing your test on Linux, other people can
154 test it for you on Windows.
156 Sometimes you may discover that a test doesn't show the expected
157 result when run with the Microsoft runtime - either because there is a
158 bug in their runtime or something is misleading or wrong in their
159 documentation. In this case, please put a detailed description of the
160 problem to mcs/class/doc/API-notes and do also report it to the
161 <a href="mailing-lists.html">mailing list</a> - we'll forward this to the
162 Microsoft people from time to time to help them fix their documentation
167 Why do unit testing? It becomes simple to run automated tests
168 for the whole library. Unit tests are a safety net - you can
169 change part of the code and verify that you haven't broken
170 anything. Ideally, tests are written before the actual library
171 code itself. And every time a bug is discovered, a test should
172 be written to demonstrate the bug and its fix. Then, if
173 you ever reintroduce the bug, you will know immediately. For
175 href="http://junit.sourceforge.net/doc/testinfected/testing.htm">
176 JUnit Test Infected: Programmers Love Writing Tests</a>.
181 We welcome all contributions to the Class Libary Test Suite.
183 There is information to help you get started in CVS at
184 mcs/class/doc/NUnitGuidelines. Once you have written your test, please
185 post it to <a href="mailing-lists.html">mono-list</a>.
187 Someone will make sure to add the file or apply the patch as
188 appropriate. If you plan to be an on-going contributor and
189 would like to get cvs account, email <a href="mailto:miguel@ximian.com">miguel</a>.
191 Normally, after you send a couple of well-written new files
192 and/or patches to the list, you will be given cvs access.
194 <a name="compiler"></a>
197 Mono ships with three compilers: C#, VB.NET and JScript. The
198 tests are ran by running the makefile target `make
199 run-test-local' in the appropriate directory.
201 The C# compilation tests live in mcs/tests, and the C# error
202 tests live in mcs/errors.
204 The VB.NET compilation tests live in mcs/btests.
206 <a name="runtime"></a>
209 These tests verify the virtual machine, to run these tests, do:
216 <a name="aspnet"></a>
219 XSP, the Mono ASP.NET server has tests for ASP.NET pages. It uses
220 <a href="http://nunitasp.sourceforge.net">NUnitAsp</a>. Right now
221 it only has standalone tests, ie., tests that do not need their own
222 global.asax or web.config files.
224 If you want to run them, get the xsp CVS module and install it. Then:
232 And from another terminal:
234 cd xsp/nunit-tests/standalone
235 nunit-console standalone-tests.dll
241 The Test directory for the System.Web.Services assembly contains a
242 standalone test suite for testing web services. It tests:
245 <li>Proxy generation using the wsdl tool</li>
246 <li>Access to web services using the generated client proxies</li>
247 <li>Execution of web services in the server</li>
250 This suite not only tests web services running on XSP, but it can also test
251 services running on other platforms and that are available in internet. This
252 will help track down interoperability issues.
254 To build the test suite, just run:
257 cd mcs/class/System.Web.Services/Test/standalone
261 And from another terminal:
263 cd mcs/class/System.Web.Services/Test/standalone
265 nunit-console testclient.dll
268 This will download the wsdl documents, generate the proxies, build a dll with
269 the proxies, and build the nunit tests. Then you can use nunit-console or
270 gnunit to run the tests (the nunit dll is testclient.dll).
272 Read the README file in mcs/class/System.Web.Services/Test/standalone for