Pragmatic Test Driving Development.
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Использование TDD в Embedded Linux разработке. Смешивание unit-тестирования и функционального тестирования. Инструменты : cunit/check, интеграция с make, gcov/ggcov
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Pragmatic Test Driving Development.
- 1. Intro Ìîòèâàöèîííàÿ Âíåäðåíèå Ïðàêòèêà Test Driven Development. Ïðàêòèêà Âëàä 'mend0za' Øàõîâ Linux and Embedded department SaM Solutions March 2012 SaM Solutions: Linux and Embedded department Test Driven Development. Ïðàêòèêà
- 2. Intro Ìîòèâàöèîííàÿ Âíåäðåíèå Ïðàêòèêà Outline: Êðàòêîå ñîäåðæàíèå è òåìû þíèò-òåñòèðîâàíèå ôóíêöèîíàëüíîå òåñòèðîâàíèå çàïóñê òåñòîâ è ïðîâåðêà ðåçóëüòàòîâ êîíòðîëü ïîêðûòèÿ òåñòàìè êîäà óòèëèòû è áèáëèîòåêè (Free Software) íà ïðèìåðå 2õ ðåàëüíûõ embedded ïðîåêòîâ äëÿ ÿçûêà ïðîãðàììèðîâàíèÿ Ñè SaM Solutions: Linux and Embedded department Test Driven Development. Ïðàêòèêà
- 3. Intro Ìîòèâàöèîííàÿ Âíåäðåíèå Ïðàêòèêà À íàäî ëè âîîáùå òåñòèðîâàòü? Çà÷åì êîçå áàÿí TDD ? SaM Solutions: Linux and Embedded department Test Driven Development. Ïðàêòèêà
- 4. Intro Ìîòèâàöèîííàÿ Âíåäðåíèå Ïðàêòèêà Ïðè÷èíû ïî÷åìó ÄÀ òåñòèðóåò ñàì ðàçðàáîò÷èê ýòî òîæå ïðîãðàììèðîâàíèå SaM Solutions: Linux and Embedded department Test Driven Development. Ïðàêòèêà
- 5. Intro Ìîòèâàöèîííàÿ Âíåäðåíèå Ïðàêòèêà Ïðè÷èíû ïî÷åìó ÄÀ òåñòèðóåò ñàì ðàçðàáîò÷èê ýòî òîæå ïðîãðàììèðîâàíèå ñîîòâåñòâèå òðåáîâàíèÿì ãàðàíòèÿ, ÷òî âàø êîä äåëàåò âñ¼ êàê íàäî SaM Solutions: Linux and Embedded department Test Driven Development. Ïðàêòèêà
- 6. Intro Ìîòèâàöèîííàÿ Âíåäðåíèå Ïðàêòèêà Ïðè÷èíû ïî÷åìó ÄÀ òåñòèðóåò ñàì ðàçðàáîò÷èê ýòî òîæå ïðîãðàììèðîâàíèå ñîîòâåñòâèå òðåáîâàíèÿì ãàðàíòèÿ, ÷òî âàø êîä äåëàåò âñ¼ êàê íàäî êîíòðîëü êîððåêòíîñòè èçìåíåíèé èñïðàâëåíèÿ ëåãêî ïðîâåðèòü ïðîñòî çàïóñòèâ òåñòû SaM Solutions: Linux and Embedded department Test Driven Development. Ïðàêòèêà
- 7. Intro Ìîòèâàöèîííàÿ Âíåäðåíèå Ïðàêòèêà Ïðè÷èíû ïî÷åìó ÄÀ òåñòèðóåò ñàì ðàçðàáîò÷èê ýòî òîæå ïðîãðàììèðîâàíèå ñîîòâåñòâèå òðåáîâàíèÿì ãàðàíòèÿ, ÷òî âàø êîä äåëàåò âñ¼ êàê íàäî êîíòðîëü êîððåêòíîñòè èçìåíåíèé èñïðàâëåíèÿ ëåãêî ïðîâåðèòü ïðîñòî çàïóñòèâ òåñòû ìåíåäæåðü¼ è çàêàç÷èêè ëþáÿò êðàñèâûå öèôðû TDD äàñò öèôðû äëÿ îò÷¼òà SaM Solutions: Linux and Embedded department Test Driven Development. Ïðàêòèêà
- 8. Intro Ìîòèâàöèîííàÿ Âíåäðåíèå Ïðàêòèêà Ïðè÷èíû ïî÷åìó ÄÀ òåñòèðóåò ñàì ðàçðàáîò÷èê ýòî òîæå ïðîãðàììèðîâàíèå ñîîòâåñòâèå òðåáîâàíèÿì ãàðàíòèÿ, ÷òî âàø êîä äåëàåò âñ¼ êàê íàäî êîíòðîëü êîððåêòíîñòè èçìåíåíèé èñïðàâëåíèÿ ëåãêî ïðîâåðèòü ïðîñòî çàïóñòèâ òåñòû ìåíåäæåðü¼ è çàêàç÷èêè ëþáÿò êðàñèâûå öèôðû TDD äàñò öèôðû äëÿ îò÷¼òà èòîãî êà÷åñòâî è óïðàâëÿåìîñòü ðàçðàáîòêè óëó÷øèòñÿ SaM Solutions: Linux and Embedded department Test Driven Development. Ïðàêòèêà
- 9. Intro Ìîòèâàöèîííàÿ Âíåäðåíèå Ïðàêòèêà Âíåäðåíèå. Ïðîñòûå ðåöåïòû Òåñòû áåç ïðîâåðêè ïîêðûòèÿ - áåñïîëåçíû Sad but true a a Metallica c 1993 Sad but true single SaM Solutions: Linux and Embedded department Test Driven Development. Ïðàêòèêà
- 10. Intro Ìîòèâàöèîííàÿ Âíåäðåíèå Ïðàêòèêà Âíåäðåíèå. Ïðîñòûå ðåöåïòû Òåñòû áåç ïðîâåðêè ïîêðûòèÿ - áåñïîëåçíû Sad but true a a Metallica c 1993 Sad but true single Ìàëåíüêèé ïðîåêò - ïðîñòûå ïðîöåññû SaM Solutions: Linux and Embedded department Test Driven Development. Ïðàêòèêà
- 11. Intro Ìîòèâàöèîííàÿ Âíåäðåíèå Ïðàêòèêà Âíåäðåíèå. Ïðîñòûå ðåöåïòû Òåñòû áåç ïðîâåðêè ïîêðûòèÿ - áåñïîëåçíû Sad but true a a Metallica c 1993 Sad but true single Ìàëåíüêèé ïðîåêò - ïðîñòûå ïðîöåññû Áîëüøîé ïðîåêò - ãåìîððîéíûå èíñòðóìåíòû Rational R Purify R íàïðèìåð SaM Solutions: Linux and Embedded department Test Driven Development. Ïðàêòèêà
- 12. Intro Ìîòèâàöèîííàÿ Âíåäðåíèå Ïðàêòèêà Âíåäðåíèå. Ïðîñòûå ðåöåïòû Òåñòû áåç ïðîâåðêè ïîêðûòèÿ - áåñïîëåçíû Sad but true a a Metallica c 1993 Sad but true single Ìàëåíüêèé ïðîåêò - ïðîñòûå ïðîöåññû Áîëüøîé ïðîåêò - ãåìîððîéíûå èíñòðóìåíòû Rational R Purify R íàïðèìåð Ôèçèêà çàêîíû ìàêðîìèðà è ìèêðîìèðà îòëè÷àþòñÿ êîðåííûì îáðàçîì SaM Solutions: Linux and Embedded department Test Driven Development. Ïðàêòèêà
- 13. Intro Ìîòèâàöèîííàÿ Âíåäðåíèå Ïðàêòèêà Ñáîðî÷íàÿ ñèñòåìà 1 Äîáàâëÿåì êîìïèëÿöèþ òåñòîâ â ñáîðêó 2 Âêëþ÷àåì ïîäñ÷¼ò ïîêðûòèÿ gcov : CFLAGS+= - -coverage 1 CFLAGS + = −DDEBUG (DEBUG) −g −− c o v e r a g e =$ BINARY_TEST = unit_test 3 OBJ_TEST = 5 $ (BINARY_TEST) : $ (CC) test / test . o $ ( OBJ) $ (CFLAGS) source / fts_binsearchtree . o $ (OBJ_TEST) $ (LDFLAGS) −o $@ $^ / usr / l i b / libcheck . a 7 check : 9 $ (BINARY_TEST) . / $ (BINARY_TEST) $ (CONFIG_SPACE_PATH) $ (CONFIG_SPACE_PATH) [ SaM Solutions: Linux and Embedded department Test Driven Development. Ïðàêòèêà
- 14. Intro Ìîòèâàöèîííàÿ Âíåäðåíèå Ïðàêòèêà Êàê ðàçðàáàòûâàåì 1: êîä è òåñòû test/test.c 1 START_TEST( c o n f i g _ s p a c e _ c h e c k _ t e s t ) { int 3 ret = c o n f i g _ s p a c e _ c h e c k ( nvram_basedir , BMCInst ) ; fail_if ( ret return 5 != −1 , config_space_check ( ) must −1 ) ; } END_TEST SaM Solutions: Linux and Embedded department Test Driven Development. Ïðàêòèêà
- 15. Intro Ìîòèâàöèîííàÿ Âíåäðåíèå Ïðàêòèêà Êàê ðàçðàáàòûâàåì 2: êîìïèëÿöèÿ è çàïóñê test/test.c $ make check 96%: Checks: 27, Failures: 1, Errors: 0 test/test.c:54:F:Cong Space:test_init:0: path should not open test/test.c:1524:P:Cong Space:cong_space_check_test:0: Passed test/test.c:1561:P:Cong Space:string_with_zero_test:0: Passed test/test.c:1595:P:Cong Space:migration_test:0: Passed SaM Solutions: Linux and Embedded department Test Driven Development. Ïðàêòèêà
- 16. Intro Ìîòèâàöèîííàÿ Âíåäðåíèå Ïðàêòèêà Êàê ðàçðàáàòûâàåì 3: ïðîâåðêà ïîêðûòèÿ ïðîâåðêà ïîêðûòèÿ ãäå îòðàáîòàëè, ãäå íå âîøëè + ñòàòèñòèêà SaM Solutions: Linux and Embedded department Test Driven Development. Ïðàêòèêà
- 17. Intro Ìîòèâàöèîííàÿ Âíåäðåíèå Ïðàêòèêà Êàê ðàçðàáàòûâàåì 3: ïðîâåðêà ïîêðûòèÿ ïðîâåðêà ïîêðûòèÿ ãäå îòðàáîòàëè, ãäå íå âîøëè + ñòàòèñòèêà ggcov SaM Solutions: Linux and Embedded department Test Driven Development. Ïðàêòèêà
- 18. Intro Ìîòèâàöèîííàÿ Âíåäðåíèå Ïðàêòèêà Ïðèìåð 1. Áèáëèîòåêà ñ âíåøíèì API Ïðîåêò: ïðîøèâêà BMC ñåðâåðîâ Fujitsu Primergy Íàçíà÷åíèå: óïðàâëåíèå ïåðåìåííûìè äëÿ IPMI-ñòåêà Ðîëü TDD: òîëüêî Unit-òåñòèðîâàíèå Èíñòðóìåíû è ëèáû TDD: check, gcc/gcov, ggcov SaM Solutions: Linux and Embedded department Test Driven Development. Ïðàêòèêà
- 19. Intro Ìîòèâàöèîííàÿ Âíåäðåíèå Ïðàêòèêà Ïðèìåð 2. Óïðàâëÿþùåå ÏÎ ïðîøèâêè Ïðîåêò: 4-õ êàíàëüíûé âèäåîðåãèñòðàòîð Íàçíà÷åíèå: óïðàâëÿþùåå ÏÎ â user-space Ðîëü TDD: Unit Testing, Functional Testing, Integration Testing, ýìóëÿöèÿ îáîðóäîâàíèÿ Èíñòðóìåíû è ëèáû TDD: cunit, make, gcc/gcov, ggcov, Linux Kernel SaM Solutions: Linux and Embedded department Test Driven Development. Ïðàêòèêà
- 20. Intro Ìîòèâàöèîííàÿ Âíåäðåíèå Ïðàêòèêà èíñòðóìåíòû Unit-test frameworks 1. check - http://check.sourceforge.net 2. cunit - http://cunit.sourceforge.net Coverage tools 3. Ðàñøèðåíèå gcov - âñòðîåíî â GCC (- -coverage) 4. ggcov tool - http://ggcov.sourceforge.net Âåñü èíñòðóìåíòàðèé - äîñòóïåí â äèñòðèáóòèâàõ, ïîä ñâîáîäíûìè ëèöåíçèÿìè SaM Solutions: Linux and Embedded department Test Driven Development. Ïðàêòèêà
- 21. Intro Ìîòèâàöèîííàÿ Âíåäðåíèå Ïðàêòèêà Âîïðîñû? Âàøè âîïðîñû www: http://www.sam-solutions.com email: v.shakhov@sam-solutions.net jabber: mend0za@jabber.org.by SaM Solutions: Linux and Embedded department Test Driven Development. Ïðàêòèêà