Chris@63: // Copyright (c) 2013-2014 Sandstorm Development Group, Inc. and contributors
Chris@63: // Licensed under the MIT License:
Chris@63: //
Chris@63: // Permission is hereby granted, free of charge, to any person obtaining a copy
Chris@63: // of this software and associated documentation files (the "Software"), to deal
Chris@63: // in the Software without restriction, including without limitation the rights
Chris@63: // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
Chris@63: // copies of the Software, and to permit persons to whom the Software is
Chris@63: // furnished to do so, subject to the following conditions:
Chris@63: //
Chris@63: // The above copyright notice and this permission notice shall be included in
Chris@63: // all copies or substantial portions of the Software.
Chris@63: //
Chris@63: // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
Chris@63: // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
Chris@63: // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
Chris@63: // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
Chris@63: // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Chris@63: // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
Chris@63: // THE SOFTWARE.
Chris@63: 
Chris@63: #ifndef KJ_TEST_H_
Chris@63: #define KJ_TEST_H_
Chris@63: 
Chris@63: #if defined(__GNUC__) && !KJ_HEADER_WARNINGS
Chris@63: #pragma GCC system_header
Chris@63: #endif
Chris@63: 
Chris@63: #include "debug.h"
Chris@63: #include "vector.h"
Chris@63: #include "function.h"
Chris@63: 
Chris@63: namespace kj {
Chris@63: 
Chris@63: class TestRunner;
Chris@63: 
Chris@63: class TestCase {
Chris@63: public:
Chris@63:   TestCase(const char* file, uint line, const char* description);
Chris@63:   ~TestCase();
Chris@63: 
Chris@63:   virtual void run() = 0;
Chris@63: 
Chris@63: private:
Chris@63:   const char* file;
Chris@63:   uint line;
Chris@63:   const char* description;
Chris@63:   TestCase* next;
Chris@63:   TestCase** prev;
Chris@63:   bool matchedFilter;
Chris@63: 
Chris@63:   friend class TestRunner;
Chris@63: };
Chris@63: 
Chris@63: #define KJ_TEST(description) \
Chris@63:   /* Make sure the linker fails if tests are not in anonymous namespaces. */ \
Chris@63:   extern int KJ_CONCAT(YouMustWrapTestsInAnonymousNamespace, __COUNTER__) KJ_UNUSED; \
Chris@63:   class KJ_UNIQUE_NAME(TestCase): public ::kj::TestCase { \
Chris@63:   public: \
Chris@63:     KJ_UNIQUE_NAME(TestCase)(): ::kj::TestCase(__FILE__, __LINE__, description) {} \
Chris@63:     void run() override; \
Chris@63:   } KJ_UNIQUE_NAME(testCase); \
Chris@63:   void KJ_UNIQUE_NAME(TestCase)::run()
Chris@63: 
Chris@63: #if _MSC_VER
Chris@63: #define KJ_INDIRECT_EXPAND(m, vargs) m vargs
Chris@63: #define KJ_FAIL_EXPECT(...) \
Chris@63:   KJ_INDIRECT_EXPAND(KJ_LOG, (ERROR , __VA_ARGS__));
Chris@63: #define KJ_EXPECT(cond, ...) \
Chris@63:   if (cond); else KJ_INDIRECT_EXPAND(KJ_FAIL_EXPECT, ("failed: expected " #cond , __VA_ARGS__))
Chris@63: #else
Chris@63: #define KJ_FAIL_EXPECT(...) \
Chris@63:   KJ_LOG(ERROR, ##__VA_ARGS__);
Chris@63: #define KJ_EXPECT(cond, ...) \
Chris@63:   if (cond); else KJ_FAIL_EXPECT("failed: expected " #cond, ##__VA_ARGS__)
Chris@63: #endif
Chris@63: 
Chris@63: #define KJ_EXPECT_THROW_RECOVERABLE(type, code) \
Chris@63:   do { \
Chris@63:     KJ_IF_MAYBE(e, ::kj::runCatchingExceptions([&]() { code; })) { \
Chris@63:       KJ_EXPECT(e->getType() == ::kj::Exception::Type::type, \
Chris@63:           "code threw wrong exception type: " #code, e->getType()); \
Chris@63:     } else { \
Chris@63:       KJ_FAIL_EXPECT("code did not throw: " #code); \
Chris@63:     } \
Chris@63:   } while (false)
Chris@63: 
Chris@63: #define KJ_EXPECT_THROW_RECOVERABLE_MESSAGE(message, code) \
Chris@63:   do { \
Chris@63:     KJ_IF_MAYBE(e, ::kj::runCatchingExceptions([&]() { code; })) { \
Chris@63:       KJ_EXPECT(::kj::_::hasSubstring(e->getDescription(), message), \
Chris@63:           "exception description didn't contain expected substring", e->getDescription()); \
Chris@63:     } else { \
Chris@63:       KJ_FAIL_EXPECT("code did not throw: " #code); \
Chris@63:     } \
Chris@63:   } while (false)
Chris@63: 
Chris@63: #if KJ_NO_EXCEPTIONS
Chris@63: #define KJ_EXPECT_THROW(type, code) \
Chris@63:   do { \
Chris@63:     KJ_EXPECT(::kj::_::expectFatalThrow(type, nullptr, [&]() { code; })); \
Chris@63:   } while (false)
Chris@63: #define KJ_EXPECT_THROW_MESSAGE(message, code) \
Chris@63:   do { \
Chris@63:     KJ_EXPECT(::kj::_::expectFatalThrow(nullptr, kj::StringPtr(message), [&]() { code; })); \
Chris@63:   } while (false)
Chris@63: #else
Chris@63: #define KJ_EXPECT_THROW KJ_EXPECT_THROW_RECOVERABLE
Chris@63: #define KJ_EXPECT_THROW_MESSAGE KJ_EXPECT_THROW_RECOVERABLE_MESSAGE
Chris@63: #endif
Chris@63: 
Chris@63: #define KJ_EXPECT_LOG(level, substring) \
Chris@63:   ::kj::_::LogExpectation KJ_UNIQUE_NAME(_kjLogExpectation)(::kj::LogSeverity::level, substring)
Chris@63: // Expects that a log message with the given level and substring text will be printed within
Chris@63: // the current scope. This message will not cause the test to fail, even if it is an error.
Chris@63: 
Chris@63: // =======================================================================================
Chris@63: 
Chris@63: namespace _ {  // private
Chris@63: 
Chris@63: bool hasSubstring(kj::StringPtr haystack, kj::StringPtr needle);
Chris@63: 
Chris@63: #if KJ_NO_EXCEPTIONS
Chris@63: bool expectFatalThrow(Maybe<Exception::Type> type, Maybe<StringPtr> message,
Chris@63:                       Function<void()> code);
Chris@63: // Expects that the given code will throw a fatal exception matching the given type and/or message.
Chris@63: // Since exceptions are disabled, the test will fork() and run in a subprocess. On Windows, where
Chris@63: // fork() is not available, this always returns true.
Chris@63: #endif
Chris@63: 
Chris@63: class LogExpectation: public ExceptionCallback {
Chris@63: public:
Chris@63:   LogExpectation(LogSeverity severity, StringPtr substring);
Chris@63:   ~LogExpectation();
Chris@63: 
Chris@63:   void logMessage(LogSeverity severity, const char* file, int line, int contextDepth,
Chris@63:                   String&& text) override;
Chris@63: 
Chris@63: private:
Chris@63:   LogSeverity severity;
Chris@63:   StringPtr substring;
Chris@63:   bool seen;
Chris@63:   UnwindDetector unwindDetector;
Chris@63: };
Chris@63: 
Chris@63: class GlobFilter {
Chris@63:   // Implements glob filters for the --filter flag.
Chris@63:   //
Chris@63:   // Exposed in header only for testing.
Chris@63: 
Chris@63: public:
Chris@63:   explicit GlobFilter(const char* pattern);
Chris@63:   explicit GlobFilter(ArrayPtr<const char> pattern);
Chris@63: 
Chris@63:   bool matches(StringPtr name);
Chris@63: 
Chris@63: private:
Chris@63:   String pattern;
Chris@63:   Vector<uint> states;
Chris@63: 
Chris@63:   void applyState(char c, int state);
Chris@63: };
Chris@63: 
Chris@63: }  // namespace _ (private)
Chris@63: }  // namespace kj
Chris@63: 
Chris@63: #endif // KJ_TEST_H_