Updated documentation

git-svn-id: https://svn.code.sf.net/p/turtle/code/trunk@579 860be788-9bd5-4423-9f1e-828f051e677b
This commit is contained in:
mat007 2013-01-07 16:16:07 +00:00
parent d29397417e
commit 7f7ea6bc8f
5 changed files with 148 additions and 102 deletions

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@ -47,3 +47,6 @@ project example
compile example/motivation.cpp ;
compile example/getting_started.cpp ;
compile example/customisation.cpp ;
compile example/async_call.cpp ;
compile example/retrieve_cref.cpp ;
compile example/invoke_functor.cpp ;

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@ -0,0 +1,53 @@
//[ async_call_problem
namespace
{
class base_class
{
public:
virtual void method() = 0;
};
class my_class
{
public:
explicit my_class( base_class& );
void flush(); // repetitively calling this method will in turn call base_class::method at some point
};
}
//]
//[ async_call_solution
#define BOOST_AUTO_TEST_MAIN
#include <boost/test/auto_unit_test.hpp>
#include <boost/lambda/lambda.hpp>
#include <boost/thread.hpp>
#include <turtle/mock.hpp>
namespace
{
template< typename F >
void wait( bool& condition, F flush, int timeout = 100, int sleep = 100 )
{
while( !condition && timeout > 0 )
{
--timeout;
boost::this_thread::sleep( boost::posix_time::milliseconds( sleep ) );
flush();
}
}
MOCK_BASE_CLASS( mock_base_class, base_class )
{
MOCK_METHOD( method, 0 )
};
}
BOOST_AUTO_TEST_CASE( method_is_called )
{
mock_base_class mock;
my_class c( mock );
bool done = false;
MOCK_EXPECT( mock.method ).once().calls( boost::lambda::var( done ) = true ); // when method is called it will set done to true
wait( done, boost::bind( &my_class::flush, &c ) ); // just wait on done flushing from time to time
}
//]

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@ -0,0 +1,36 @@
//[ invoke_functor_problem
#include <boost/function.hpp>
namespace
{
class base_class
{
public:
virtual void method( boost::function< void( int ) > functor ) = 0;
};
void function( base_class& ); // the function will call 'method' with a functor to be applied
}
//]
//[ invoke_functor_solution
#define BOOST_AUTO_TEST_MAIN
#include <boost/test/auto_unit_test.hpp>
#include <boost/bind/apply.hpp>
#include <turtle/mock.hpp>
namespace
{
MOCK_BASE_CLASS( mock_class, base_class )
{
MOCK_METHOD( method, 1 )
};
}
BOOST_AUTO_TEST_CASE( how_to_invoke_a_functor_passed_as_parameter_of_a_mock_method )
{
mock_class mock;
MOCK_EXPECT( mock.method ).calls( boost::bind( boost::apply< void >(), _1, 42 ) ); // whenever 'method' is called, invoke the functor with 42
function( mock );
}
//]

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@ -0,0 +1,42 @@
//[ retrieve_cref_problem
namespace
{
class base_class
{
public:
virtual void method( int value ) = 0;
};
class my_class
{
public:
explicit my_class( base_class& );
void process(); // the processing will call 'method' two times with the same value, but we don't know what value beforehand
};
}
//]
//[ retrieve_cref_solution
#define BOOST_AUTO_TEST_MAIN
#include <boost/test/auto_unit_test.hpp>
#include <turtle/mock.hpp>
namespace
{
MOCK_BASE_CLASS( mock_base_class, base_class )
{
MOCK_METHOD( method, 1 )
};
}
BOOST_AUTO_TEST_CASE( method_is_called_two_times_with_the_same_value )
{
mock_base_class mock;
my_class c( mock );
int value;
MOCK_EXPECT( mock.method ).once().with( mock::retrieve( value ) ); // on first call retrieve the value, this expectation takes precedence because it can never fail
MOCK_EXPECT( mock.method ).once().with( boost::cref( value ) ); // on second call compare the previously retrieved value with the newly received one
c.process();
}
//]

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@ -1,4 +1,7 @@
[section Patterns]
[import example/async_call.cpp]
[import example/retrieve_cref.cpp]
[import example/invoke_functor.cpp]
This section highlights not-so-obvious features of the library gathered from real use cases.
@ -6,55 +9,11 @@ This section highlights not-so-obvious features of the library gathered from rea
Problem :
namespace
{
class base_class
{
public:
virtual void method() = 0;
};
class my_class
{
public:
explicit my_class( base_class& );
void flush(); // repetitively calling this method will in turn call base_class::method at some point
};
}
[async_call_problem]
Solution :
#include <turtle/mock.hpp>
#include <boost/lambda/lambda.hpp>
#include <boost/thread.hpp>
namespace
{
template< typename F >
void wait( bool& condition, F flush, int timeout = 100, int sleep = 100 )
{
while( !condition && timeout > 0 )
{
--timeout;
boost::this_thread::sleep( boost::posix_time::milliseconds( sleep ) );
flush();
}
}
MOCK_BASE_CLASS( mock_base_class, base_class )
{
MOCK_METHOD( method, 0 )
};
}
BOOST_AUTO_TEST_CASE( method_is_called )
{
mock_base_class mock;
my_class c( mock );
bool done = false;
MOCK_EXPECT( mock.method ).once().calls( boost::lambda::var( done ) = true ); // when method is called it will set done to true
wait( done, boost::bind( &my_class::flush, &c ) ); // just wait on done flushing from time to time
}
[async_call_solution]
[endsect]
@ -62,70 +21,23 @@ Solution :
Problem :
namespace
{
class base_class
{
public:
virtual void method( int value ) = 0;
};
class my_class
{
public:
explicit my_class( base_class& );
void process(); // the processing will call 'method' two times with the same value, but we don't know what value beforehand
};
}
[retrieve_cref_problem]
Solution :
#include <turtle/mock.hpp>
namespace
{
MOCK_BASE_CLASS( mock_base_class, base_class )
{
MOCK_METHOD( method, 1 )
};
}
BOOST_AUTO_TEST_CASE( method_is_called_two_times_with_the_same_value )
{
mock_base_class mock;
my_class c( mock );
int value;
MOCK_EXPECT( mock.method ).once().with( mock::retrieve( value ) ); // on first call retrieve the value, this expectation takes precedence because it can never fail
MOCK_EXPECT( mock.method ).once().with( boost::cref( value ) ); // on second call compare the previously retrieved value with the newly received one
c.process();
}
[retrieve_cref_solution]
[endsect]
[section Invoking a functor received as parameter]
#include <turtle/mock.hpp>
#include <boost/function.hpp>
#include <boost/bind/apply.hpp>
#include <boost/bind.hpp>
namespace
{
MOCK_CLASS( mock_class )
{
MOCK_METHOD_EXT( method, 1, void( boost::function< void( int ) > ), method )
};
}
BOOST_AUTO_TEST_CASE( how_to_invoke_a_functor_passed_as_parameter_of_a_mock_method )
{
mock_class mock;
MOCK_EXPECT( mock.method ).calls( boost::bind( boost::apply< void >(), _1, 42 ) ); // whenever 'method' is called, invoke the functor with 42
MOCK_FUNCTOR( f, void( int ) ); // create a mock functor to verify this
MOCK_EXPECT( f ).once().with( 42 ); // expect it to be called with 42
mock.method( f ); // call 'method' with the mock functor
}
Problem :
[invoke_functor_problem]
Solution :
[invoke_functor_solution]
[endsect]