xref: /haiku/headers/tools/cppunit/TestShell.h (revision 65f5e1e1b286b19ff6f6f4a38f402b541509faf5)
1 #ifndef _beos_test_shell_h_
2 #define _beos_test_shell_h_
3 
4 #include <LockerSyncObject.h>
5 #include <cppunit/Exception.h>
6 #include <cppunit/Test.h>
7 #include <cppunit/TestListener.h>
8 #include <cppunit/TestResult.h>
9 #include <cppunit/TestResultCollector.h>
10 #include <image.h>
11 #include <TestSuite.h>
12 #include <map>
13 #include <set>
14 #include <string>
15 
16 class BDirectory;
17 class BLocker;
18 class BPath;
19 
20 #ifndef NO_ELF_SYMBOL_PATCHING
21 #include <tools/elfsymbolpatcher/ElfSymbolPatcher.h>
22 #else
23 class ElfSymbolPatchGroup;
24 #endif
25 
26 // Defines SuiteFunction to be a pointer to a function that
27 // takes no arguments and returns a pointer to a CppUnit::Test
28 typedef CppUnit::Test* (*SuiteFunction)(void);
29 
30 // This is just absurd to have to type...
31 typedef CppUnit::SynchronizedObject::SynchronizationObject SyncObject;
32 
33 /*!	\brief Executes a statement that is supposed to call debugger().
34 	An exception is thrown if the debugger is not invoked by the
35 	statement.
36 */
37 #define CPPUNIT_ASSERT_DEBUGGER(statement)					\
38 	BTestShell::GlobalShell()->ExpectDebuggerCall();		\
39 	statement;												\
40 	::CppUnit::Asserter::failIf(							\
41 		!BTestShell::GlobalShell()->WasDebuggerCalled(),	\
42 		(#statement),										\
43 		CPPUNIT_SOURCELINE() );
44 
45 
46 //! BeOS savvy command line interface for the CppUnit testing framework.
47 /*! This class provides a fully functional command-line testing interface
48 	built on top of the CppUnit testing library. You add named test suites
49 	via AddSuite(), and then call Run(), which does all the dirty work. The
50 	user can get a list of each test installed via AddSuite(), and optionally
51 	can opt to run only a specified set of them.
52 */
53 class CPPUNIT_API BTestShell {
54 public:
55 	BTestShell(const std::string &description = "", SyncObject *syncObject = 0);
56 	virtual ~BTestShell();
57 
58 	// This function is used to add the tests for a given kit (as contained
59 	// in a BTestSuite object) to the list of available tests. The shell assumes
60 	// ownership of the BTestSuite object. Each test in the kit is added to
61 	// the list of tests via a call to AddTest(string
62 	status_t AddSuite(BTestSuite *kit);
63 
64 	// This function is used to add test suites to the list of available
65 	// tests. The test pointer may not be NULL. The name given is the name that
66 	// will be presented when the program is run with "--list" as an argument.
67 	// Usually the given suite would be a test suite for an entire class, but
68 	// that's not a requirement.
69 	void AddTest(const std::string &name, CppUnit::Test* test);
70 
71 	// This function loads all the test addons it finds in the given
72 	// directory, returning the number of tests actually loaded.
73 	int32 LoadSuitesFrom(BDirectory *libDir);
74 
75 	// This is the function you call after you've added all your test
76 	// suites with calls to AddSuite(). It runs the test, or displays
77 	// help, or lists installed tests, or whatever, depending on the
78 	// command-line arguments passed in.
79 	int Run(int argc, char *argv[]);
80 
81 	// Verbosity Level enumeration and accessor function
82 	enum VerbosityLevel { v0, v1, v2, v3, v4 };
83 	VerbosityLevel Verbosity() const;
84 
85 	// Returns true if verbosity is high enough that individual tests are
86 	// allowed to make noise.
BeVerbose()87 	bool BeVerbose() const { return Verbosity() >= v2; };
88 
GlobalBeVerbose()89 	static bool GlobalBeVerbose() { return (fGlobalShell ? fGlobalShell->BeVerbose() : true); };
90 
91 	// Returns a pointer to a global BTestShell object. This function is
92 	// something of a hack, used to give BTestCase and its subclasses
93 	// access to verbosity information. Don't rely on it if you don't
94 	// have to (and always make sure the pointer it returns isn't NULL
95 	// before you try to use it :-).
GlobalShell()96 	static BTestShell* GlobalShell() { return fGlobalShell; };
97 
98 	// Sets the global BTestShell pointer. The BTestShell class does
99 	// not assume ownership of the object.
SetGlobalShell(BTestShell * shell)100 	static void SetGlobalShell(BTestShell *shell) { fGlobalShell = shell; };
101 
102 	const char* TestDir() const;
GlobalTestDir()103 	static const char* GlobalTestDir() { return (fGlobalShell ? fGlobalShell->TestDir() : NULL); };
104 
105 	void ExpectDebuggerCall();
106 	bool WasDebuggerCalled();
107 
108 protected:
109 	typedef std::map<std::string, CppUnit::Test*> TestMap;
110 	typedef std::map<std::string, BTestSuite*> SuiteMap;
111 
112 	VerbosityLevel fVerbosityLevel;
113 	std::set<std::string> fTestsToRun;
114 	std::set<std::string> fSuitesToRun;
115 	TestMap fTests;
116 	SuiteMap fSuites;
117 	std::set<std::string> fLibDirs;
118 	CppUnit::TestResult fTestResults;
119 	CppUnit::TestResultCollector fResultsCollector;
120 	std::string fDescription;
121 	static BTestShell* fGlobalShell;
122 	static const char indent[];
123 	bool fListTestsAndExit;
124 	BPath *fTestDir;
125 	int32 fTLSDebuggerCall;
126 
127 	BLocker *fPatchGroupLocker;
128 	ElfSymbolPatchGroup *fPatchGroup;
129 	void (*fOldDebuggerHook)(const char*);
130 	image_id (*fOldLoadAddOnHook)(const char*);
131 	status_t (*fOldUnloadAddOnHook)(image_id);
132 
133 	//! Prints a brief description of the program.
134 	virtual void PrintDescription(int argc, char *argv[]);
135 
136 	//! Prints out command line argument instructions
137 	void PrintHelp();
138 
139 	/*! \brief Prints out the list of valid command line arguments.
140 		Called by PrintHelp().
141 	*/
142 	virtual void PrintValidArguments();
143 
144 	//! Prints out a list of all the currently available tests
145 	void PrintInstalledTests();
146 
147 	/*! \brief Handles command line arguments; returns true if everything goes
148 		okay, false if not (or if the program just needs to terminate without
149 		running any tests). Modifies settings in "settings" as necessary.
150 	*/
151 	bool ProcessArguments(int argc, char *argv[]);
152 
153 	//! Processes a single argument, given by the \c arg parameter.
154 	virtual bool ProcessArgument(std::string arg, int argc, char *argv[]);
155 
156 	//! Makes any necessary pre-test preparations
157 	void InitOutput();
158 
159 	/*! \brief Prints out the test results in the proper format per
160 		the specified verbosity level.
161 	*/
162 	void PrintResults();
163 
164 	/*! \brief Searches all the paths in \c fLibDirs, loading any dynamically
165 		loadable suites it finds.
166 	*/
167 	virtual void LoadDynamicSuites();
168 
169 	//! Sets the current test directory.
170 	void UpdateTestDir(char *argv[]);
171 
172 	void InstallPatches();
173 	void UninstallPatches();
174 
175 private:
176 	//! Prevents the use of the copy constructor.
177 	BTestShell( const BTestShell &copy );
178 
179 	//! Prevents the use of the copy operator.
180 	void operator =( const BTestShell &copy );
181 
182 	void _Debugger(const char* message);
183 	image_id _LoadAddOn(const char* path);
184 	status_t _UnloadAddOn(image_id image);
185 
186 	static void _DebuggerHook(const char* message);
187 	static image_id _LoadAddOnHook(const char* path);
188 	static status_t _UnloadAddOnHook(image_id image);
189 };	// class BTestShell
190 
191 #endif // _beos_test_shell_h_
192