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Refactored assertion builder stuff out of expression builder

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This commit is contained in:
Phil Nash 2012-10-18 08:39:44 +01:00
parent c96f9330a0
commit 3ad13256e1
6 changed files with 102 additions and 111 deletions
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21
include/internal/catch_assertionresult_builder.h
View File

@ -22,17 +22,24 @@ class AssertionResultBuilder {
public:
AssertionResultBuilder();
AssertionResultBuilder( const AssertionResultBuilder& other );
AssertionResultBuilder& operator=(const AssertionResultBuilder& other );
AssertionResultBuilder& setResultType( ResultWas::OfType result );
AssertionResultBuilder& setCapturedExpression( const std::string& capturedExpression );
AssertionResultBuilder& setIsFalse( bool isFalse );
AssertionResultBuilder& setMessage( const std::string& message );
AssertionResultBuilder& setLineInfo( const SourceLineInfo& lineInfo );
AssertionResultBuilder& setLhs( const std::string& lhs );
AssertionResultBuilder& setRhs( const std::string& rhs );
AssertionResultBuilder& setOp( const std::string& op );
AssertionResultBuilder& setMacroName( const std::string& macroName );
template<typename T>
AssertionResultBuilder& operator << ( const T& value ) {
m_stream << value;
return *this;
}
std::string reconstructExpression() const;
AssertionResult build() const;
@ -43,14 +50,14 @@ public:
template<typename RhsT>
STATIC_ASSERT_Expression_Too_Complex_Please_Rewrite_As_Binary_Comparison& operator && ( const RhsT& );
bool getIsFalse() const {
return m_isFalse;
}
private:
AssertionResultData m_data;
std::string m_lhs, m_rhs, m_op;
bool m_isFalse;
struct ExprComponents {
ExprComponents() : isFalse( false ) {}
bool isFalse;
std::string lhs, rhs, op;
} m_exprComponents;
std::ostringstream m_stream;
};
} // end namespace Catch

56
include/internal/catch_assertionresult_builder.hpp
View File

@ -13,12 +13,26 @@
namespace Catch {
AssertionResultBuilder::AssertionResultBuilder() {}
AssertionResultBuilder::AssertionResultBuilder( const AssertionResultBuilder& other )
: m_data( other.m_data ),
m_exprComponents( other.m_exprComponents )
{
m_stream << other.m_stream.str();
}
AssertionResultBuilder& AssertionResultBuilder::operator=(const AssertionResultBuilder& other ) {
m_data = other.m_data;
m_exprComponents = other.m_exprComponents;
m_stream.clear();
m_stream << other.m_stream.str();
return *this;
}
AssertionResultBuilder& AssertionResultBuilder::setResultType( ResultWas::OfType result ) {
// Flip bool results if isFalse is set
if( m_isFalse && result == ResultWas::Ok )
if( m_exprComponents.isFalse && result == ResultWas::Ok )
m_data.resultType = ResultWas::ExpressionFailed;
else if( m_isFalse && result == ResultWas::ExpressionFailed )
else if( m_exprComponents.isFalse && result == ResultWas::ExpressionFailed )
m_data.resultType = ResultWas::Ok;
else
m_data.resultType = result;
@ -29,12 +43,7 @@ namespace Catch {
return *this;
}
AssertionResultBuilder& AssertionResultBuilder::setIsFalse( bool isFalse ) {
m_isFalse = isFalse;
return *this;
}
AssertionResultBuilder& AssertionResultBuilder::setMessage( const std::string& message ) {
m_data.message = message;
m_exprComponents.isFalse = isFalse;
return *this;
}
@ -49,26 +58,27 @@ namespace Catch {
}
AssertionResultBuilder& AssertionResultBuilder::setLhs( const std::string& lhs ) {
m_lhs = lhs;
m_exprComponents.lhs = lhs;
return *this;
}
AssertionResultBuilder& AssertionResultBuilder::setRhs( const std::string& rhs ) {
m_rhs = rhs;
m_exprComponents.rhs = rhs;
return *this;
}
AssertionResultBuilder& AssertionResultBuilder::setOp( const std::string& op ) {
m_op = op;
m_exprComponents.op = op;
return *this;
}
AssertionResult AssertionResultBuilder::build() const
{
AssertionResultData data = m_data;
data.message = m_stream.str();
data.reconstructedExpression = reconstructExpression();
if( m_isFalse ) {
if( m_op == "" ) {
if( m_exprComponents.isFalse ) {
if( m_exprComponents.op == "" ) {
data.capturedExpression = "!" + data.capturedExpression;
data.reconstructedExpression = "!" + data.reconstructedExpression;
}
@ -81,17 +91,17 @@ namespace Catch {
}
std::string AssertionResultBuilder::reconstructExpression() const {
if( m_op == "" )
return m_lhs.empty() ? m_data.capturedExpression : m_op + m_lhs;
else if( m_op == "matches" )
return m_lhs + " " + m_rhs;
else if( m_op != "!" ) {
if( m_lhs.size() + m_rhs.size() < 30 )
return m_lhs + " " + m_op + " " + m_rhs;
else if( m_lhs.size() < 70 && m_rhs.size() < 70 )
return "\n\t" + m_lhs + "\n\t" + m_op + "\n\t" + m_rhs;
if( m_exprComponents.op == "" )
return m_exprComponents.lhs.empty() ? m_data.capturedExpression : m_exprComponents.op + m_exprComponents.lhs;
else if( m_exprComponents.op == "matches" )
return m_exprComponents.lhs + " " + m_exprComponents.rhs;
else if( m_exprComponents.op != "!" ) {
if( m_exprComponents.lhs.size() + m_exprComponents.rhs.size() < 30 )
return m_exprComponents.lhs + " " + m_exprComponents.op + " " + m_exprComponents.rhs;
else if( m_exprComponents.lhs.size() < 70 && m_exprComponents.rhs.size() < 70 )
return "\n\t" + m_exprComponents.lhs + "\n\t" + m_exprComponents.op + "\n\t" + m_exprComponents.rhs;
else
return "\n" + m_lhs + "\n" + m_op + "\n" + m_rhs + "\n\n";
return "\n" + m_exprComponents.lhs + "\n" + m_exprComponents.op + "\n" + m_exprComponents.rhs + "\n\n";
}
else
return "{can't expand - use " + m_data.macroName + "_FALSE( " + m_data.capturedExpression.substr(1) + " ) instead of " + m_data.macroName + "( " + m_data.capturedExpression + " ) for better diagnostics}";

69
include/internal/catch_capture.hpp
View File

@ -9,6 +9,7 @@
#define TWOBLUECUBES_CATCH_CAPTURE_HPP_INCLUDED
#include "catch_expression_builder.hpp"
#include "catch_assertionresult_builder.h"
#include "catch_interfaces_capture.h"
#include "catch_debugger.hpp"
#include "catch_context.h"
@ -22,11 +23,44 @@ namespace Catch {
return getCurrentContext().getResultCapture();
}
template<typename MatcherT>
AssertionResultBuilder assertionBuilderFromMatcher( const MatcherT& matcher,
const std::string& matcherCallAsString ) {
std::string matcherAsString = matcher.toString();
if( matcherAsString == "{?}" )
matcherAsString = matcherCallAsString;
return AssertionResultBuilder()
.setRhs( matcherAsString )
.setOp( "matches" );
}
template<typename MatcherT, typename ArgT>
AssertionResultBuilder assertionBuilderFromMatcher( const MatcherT& matcher,
const ArgT& arg,
const std::string& matcherCallAsString ) {
return assertionBuilderFromMatcher( matcher, matcherCallAsString )
.setLhs( Catch::toString( arg ) )
.setResultType( matcher.match( arg ) ? ResultWas::Ok : ResultWas::ExpressionFailed );
}
template<typename MatcherT, typename ArgT>
AssertionResultBuilder assertionBuilderFromMatcher( const MatcherT& matcher,
ArgT* arg,
const std::string& matcherCallAsString ) {
return assertionBuilderFromMatcher( matcher, matcherCallAsString )
.setLhs( Catch::toString( arg ) )
.setResultType( matcher.match( arg ) ? ResultWas::Ok : ResultWas::ExpressionFailed );
}
struct TestFailureException{};
class ScopedInfo {
public:
ScopedInfo() : m_oss() {
ScopedInfo() {
m_resultBuilder
.setResultType( ResultWas::Info )
.setMacroName( "SCOPED_INFO" );
getResultCapture().pushScopedInfo( this );
}
@ -36,30 +70,27 @@ public:
template<typename T>
ScopedInfo& operator << ( const T& value ) {
m_oss << value;
m_resultBuilder << value;
return *this;
}
AssertionResult getInfo () const {
return AssertionResultBuilder()
.setResultType( ResultWas::Info )
.setMessage( m_oss.str() )
.setMacroName( "SCOPED_INFO" )
.build();
return m_resultBuilder.build();
}
private:
AssertionResultBuilder m_resultBuilder;
std::ostringstream m_oss;
};
// This is just here to avoid compiler warnings with macro constants
// This is just here to avoid compiler warnings with macro constants and boolean literals
inline bool isTrue( bool value ){ return value; }
} // end namespace Catch
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_ACCEPT_EXPR( expr, stopOnFailure, originalExpr ) \
if( Catch::ResultAction::Value internal_catch_action = Catch::getResultCapture().acceptExpression( expr ) ) { \
#define INTERNAL_CATCH_ACCEPT_EXPR( evaluatedExpr, stopOnFailure, originalExpr ) \
if( Catch::ResultAction::Value internal_catch_action = Catch::getResultCapture().acceptExpression( evaluatedExpr ) ) { \
if( internal_catch_action & Catch::ResultAction::Debug ) BreakIntoDebugger(); \
if( internal_catch_action & Catch::ResultAction::Abort ) throw Catch::TestFailureException(); \
if( Catch::isTrue( stopOnFailure ) ) throw Catch::TestFailureException(); \
@ -74,7 +105,7 @@ inline bool isTrue( bool value ){ return value; }
} catch( Catch::TestFailureException& ) { \
throw; \
} catch( ... ) { \
INTERNAL_CATCH_ACCEPT_EXPR( ( Catch::ExpressionBuilder() << Catch::translateActiveException() ).setResultType( Catch::ResultWas::ThrewException ), false, expr ); \
INTERNAL_CATCH_ACCEPT_EXPR( Catch::AssertionResultBuilder().setResultType( Catch::ResultWas::ThrewException ) << Catch::translateActiveException(), false, expr ); \
throw; \
} } while( Catch::isTrue( false ) )
@ -93,10 +124,10 @@ inline bool isTrue( bool value ){ return value; }
try { \
Catch::getResultCapture().acceptAssertionInfo( Catch::AssertionInfo( macroName, CATCH_INTERNAL_LINEINFO, #expr ) ); \
expr; \
INTERNAL_CATCH_ACCEPT_EXPR( Catch::ExpressionBuilder().setResultType( Catch::ResultWas::Ok ), stopOnFailure, false ); \
INTERNAL_CATCH_ACCEPT_EXPR( Catch::AssertionResultBuilder().setResultType( Catch::ResultWas::Ok ), stopOnFailure, false ); \
} \
catch( ... ) { \
INTERNAL_CATCH_ACCEPT_EXPR( ( Catch::ExpressionBuilder() << Catch::translateActiveException() ).setResultType( Catch::ResultWas::ThrewException ), stopOnFailure, false ); \
INTERNAL_CATCH_ACCEPT_EXPR( Catch::AssertionResultBuilder().setResultType( Catch::ResultWas::ThrewException ) << Catch::translateActiveException(), stopOnFailure, false ); \
}
///////////////////////////////////////////////////////////////////////////////
@ -105,26 +136,26 @@ inline bool isTrue( bool value ){ return value; }
Catch::getResultCapture().acceptAssertionInfo( Catch::AssertionInfo( macroName, CATCH_INTERNAL_LINEINFO, #expr ) ); \
if( Catch::getCurrentContext().getConfig()->allowThrows() ) { \
expr; \
INTERNAL_CATCH_ACCEPT_EXPR( Catch::ExpressionBuilder().setResultType( Catch::ResultWas::DidntThrowException ), stopOnFailure, false ); \
INTERNAL_CATCH_ACCEPT_EXPR( Catch::AssertionResultBuilder().setResultType( Catch::ResultWas::DidntThrowException ), stopOnFailure, false ); \
} \
} \
catch( Catch::TestFailureException& ) { \
throw; \
} \
catch( exceptionType ) { \
INTERNAL_CATCH_ACCEPT_EXPR( Catch::ExpressionBuilder().setResultType( Catch::ResultWas::Ok ), stopOnFailure, false ); \
INTERNAL_CATCH_ACCEPT_EXPR( Catch::AssertionResultBuilder().setResultType( Catch::ResultWas::Ok ), stopOnFailure, false ); \
}
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_THROWS_AS( expr, exceptionType, stopOnFailure, macroName ) \
INTERNAL_CATCH_THROWS( expr, exceptionType, stopOnFailure, macroName ) \
catch( ... ) { \
INTERNAL_CATCH_ACCEPT_EXPR( ( Catch::ExpressionBuilder() << Catch::getRegistryHub().getExceptionTranslatorRegistry() ).setResultType( Catch::ResultWas::ThrewException ), stopOnFailure, false ); \
INTERNAL_CATCH_ACCEPT_EXPR( ( Catch::AssertionResultBuilder().setResultType( Catch::ResultWas::ThrewException ) << Catch::translateActiveException() ), stopOnFailure, false ); \
}
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_MSG( reason, resultType, stopOnFailure, macroName ) \
Catch::getResultCapture().acceptExpression( ( Catch::ExpressionBuilder() << reason ).setResultType( resultType ) );
Catch::getResultCapture().acceptExpression( Catch::AssertionResultBuilder().setResultType( resultType ) << reason );
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_SCOPED_INFO( log ) \
@ -135,11 +166,11 @@ inline bool isTrue( bool value ){ return value; }
#define INTERNAL_CHECK_THAT( arg, matcher, stopOnFailure, macroName ) \
do { try { \
Catch::getResultCapture().acceptAssertionInfo( Catch::AssertionInfo( macroName, CATCH_INTERNAL_LINEINFO, #arg " " #matcher ) ); \
INTERNAL_CATCH_ACCEPT_EXPR( ( Catch::ExpressionBuilder().acceptMatcher( ::Catch::Matchers::matcher, arg, #matcher ) ), stopOnFailure, false ); \
INTERNAL_CATCH_ACCEPT_EXPR( ( Catch::assertionBuilderFromMatcher( ::Catch::Matchers::matcher, arg, #matcher ) ), stopOnFailure, false ); \
} catch( Catch::TestFailureException& ) { \
throw; \
} catch( ... ) { \
INTERNAL_CATCH_ACCEPT_EXPR( ( Catch::ExpressionBuilder() << Catch::translateActiveException() ).setResultType( Catch::ResultWas::ThrewException ), false, false ); \
INTERNAL_CATCH_ACCEPT_EXPR( ( Catch::AssertionResultBuilder().setResultType( Catch::ResultWas::ThrewException ) << Catch::translateActiveException() ), false, false ); \
throw; \
}}while( Catch::isTrue( false ) )

54
include/internal/catch_expression_builder.hpp
View File

@ -10,12 +10,6 @@
#include "catch_expression.hpp"
#include "catch_assertionresult_builder.h"
#include "catch_tostring.hpp"
#include "catch_assertionresult.h"
#include "catch_result_type.h"
#include "catch_context.h"
#include "catch_common.h"
#include <sstream>
namespace Catch {
@ -23,7 +17,6 @@ class ExpressionBuilder {
public:
ExpressionBuilder( bool isFalse = false )
: m_messageStream()
{
m_result.setIsFalse( isFalse );
}
@ -39,55 +32,8 @@ public:
return expr;
}
template<typename T>
ExpressionBuilder& operator << ( const T & value ) {
m_messageStream << Catch::toString( value );
return *this;
}
template<typename MatcherT, typename ArgT>
ExpressionBuilder& acceptMatcher( const MatcherT& matcher,
const ArgT& arg,
const std::string& matcherCallAsString ) {
std::string matcherAsString = matcher.toString();
if( matcherAsString == "{?}" )
matcherAsString = matcherCallAsString;
m_result
.setLhs( Catch::toString( arg ) )
.setRhs( matcherAsString )
.setOp( "matches" )
.setResultType( matcher.match( arg ) ? ResultWas::Ok : ResultWas::ExpressionFailed );
return *this;
}
template<typename MatcherT, typename ArgT>
ExpressionBuilder& acceptMatcher( const MatcherT& matcher,
ArgT* arg,
const std::string& matcherCallAsString ) {
std::string matcherAsString = matcher.toString();
if( matcherAsString == "{?}" )
matcherAsString = matcherCallAsString;
m_result
.setLhs( Catch::toString( arg ) )
.setRhs( matcherAsString )
.setOp( "matches" )
.setResultType( matcher.match( arg ) ? ResultWas::Ok : ResultWas::ExpressionFailed );
return *this;
}
ExpressionBuilder& setResultType( ResultWas::OfType resultType ) {
m_result.setResultType( resultType );
return *this;
}
operator AssertionResultBuilder&() {
m_result.setMessage( m_messageStream.str() );
return m_result;
}
private:
AssertionResultBuilder m_result;
std::ostringstream m_messageStream;
};
} // end namespace Catch

1
include/internal/catch_interfaces_capture.h
View File

@ -39,7 +39,6 @@ namespace Catch {
virtual ResultAction::Value acceptResult( bool result ) = 0;
virtual ResultAction::Value acceptResult( ResultWas::OfType result ) = 0;
virtual ResultAction::Value acceptExpression( const AssertionResultBuilder& assertionResult ) = 0;
virtual void acceptMessage( const std::string& msg ) = 0;
virtual std::string getCurrentTestName() const = 0;
virtual const AssertionResult* getLastResult() const = 0;

10
include/internal/catch_runner_impl.hpp
View File

@ -148,10 +148,6 @@ namespace Catch {
return actOnCurrentResult();
}
virtual void acceptMessage( const std::string& msg ) {
m_currentResult.setMessage( msg );
}
virtual void testEnded( const AssertionResult& result ) {
if( result.getResultType() == ResultWas::Ok ) {
m_totals.assertions.passed++;
@ -293,8 +289,10 @@ namespace Catch {
// This just means the test was aborted due to failure
}
catch(...) {
acceptMessage( getRegistryHub().getExceptionTranslatorRegistry().translateActiveException() );
acceptResult( ResultWas::ThrewException );
m_currentResult
.setResultType( ResultWas::ThrewException )
<< translateActiveException();
actOnCurrentResult();
}
m_info.clear();
}