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Since 2009. 8. 28.

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BDD

'¾Æ BDD°¡ ÀÌ·±°Å±¸³ª'¶ó´Â °ÍÀ» óÀ½À¸·Î ¿¹Á¦¸¦ ÅëÇØ¼­ ¸ÀÀ» ºÃ´Ù.
BDD´Â ÀÌ·¸°Ô º¸¸é µÇ°Ú±¸³ª
  1. TDD¿Í ATÀÇ Å¸ÇùÁ¡
  2. Ãʱ⠰³¹ßÀÚ¿Í QEÀÇ ½ºÆå ÇùÀÇ °¡´É
  3. ½ºÆåÀÇ ±¸Ã¼È­ °¡´É
  4. ±âÁ¸ °³¹ßÀÚ°¡ TDD¿¡ ºñÇØ Á»´õ ½±°Ô ½ÃÀÛÇÒ ¼ö ÀÖÁö ¾ÊÀ»±î?

BDD·Î °³¹ßÇÏ´Â ¿¹Á¦ ã¾Æº¸±â

public class WhenTheSystemIsReadyToServiceSomething{ 
    @Before 
    public void describeTheContext(){ 
    } 
 
    @Test 
    public void shouldDoSomething1(){ 
    } 
 
    @Test 
    public void shouldDoSomething2(){ 
    } 
} 
 

Javaȯ°æ¿¡¼­ BDD¸¦ À§ÇØ JUnit¸¦ º¸¿ÏÇÑ Framework.
[WWW]JDave°ø½Ä ȨÆäÀÌÁö

BDD¸¦ º¸¸é ¸¶Ä¡ TDDÀÇ ¸£³×»ó½º°¡ ¾Æ´Ò±î »ý°¢ÇÑ´Ù.
Áö±Ý±îÁö TDD¸¦ ÇØ¾ßÇѴٴ Ÿ´çÇÑ ÀÌÀ¯¸¦ ÇöÀçÀÇ ³·Àº s/w ǰÁúÀ» ³ôÀ̱â À§ÇÑ ¼ö´ÜÀ¸·Î Á¦½ÃµÇ¾ú´Ù.
ÄÁ¼³ÅÏÆ® ÀÔÀå¿¡¼­ TDD¸¦ Çϱ⠽ȾîÇÏ´Â °³¹ßÀÚ¿¡°Ô ¾Ð·ÂÀ» °¡Çϱâ À§Çؼ­ °ü¸®ÀÚ¸¦ ǰÁú¹®Á¦·Î ¼³µæÇß´Ù.
ÇÏÁö¸¸ °³¹ßÀÚ ÀÔÀå¿¡¼­ unit test´Â ÇÏ±â ½È°í ¸¶Ä¡ Å×½ºÆ®ºÎ¼­³ª ǰÁúºÎ¼­ÀÇ ÀÏÀ» ´ë½Å ÇÏ´Â ´À³¦À» ¹Þ´Â´Ù.

¾îÂ¸é BDD´Â ±âÁ¸ TDD¿Í °ÅÀÇ Â÷À̰¡ ¾ø´Ù. ¾Æ´Ï °°Àº Ȱµ¿À» ÇÏ´Â °ÍÀÌ´Ù.
±×·³ ¾î¶² Â÷À̰¡ ÀÖ´Â °ÍÀϱî?
´Ù¸¥ °üÁ¡¿¡¼­ TestȰµ¿À» Á¤ÀÇÇÑ´Ù.
T°¡ ¾Æ´Ñ B´Ù.
°³¹ß¿¡¼­ Å×½ºÆ®´ÂÁß¿äÇÏ´Ù. °³¹ßÀÚ¿¡°Ô ´õ Áß¿äÇÑ °ÍÀº System Behavior¸¦ ÀÌÇØÇÏ´Â °ÍÀÌ´Ù.

Á»´õ TDDÀÇ °¡Ä¡¸¦ °³¹ßÀÚ Áß½ÉÀ¸·Î ÇØ¼®Çϰí, °³¹ßÀÇ Áß½ÉÀ» System Behavior¿¡ µÎ°í s/w¸¦ ¼³°èÇÏ°í °³¹ßÇØ ³ª°¡´Â °ÍÀ» °­Á¶Çß´Ù°í »ý°¢ÇÑ´Ù.

BDD :

    ½ºÆåÀ» °¡Áö°í ÁøÇàÇÏ´Â ÀϹÝÀûÀÎ s/w ºÐ¼® ¹æ¹ýº¸´Ù ±¸Ã¼ÀûÀÎ ºÐ¼®ÀÌ °¡´É.
    ½ºÆåÀ» °³¹ßÀÚ°¡ ÀÌÇØÇÒ ¼ö ÀÖ°í Àç»ç¿ë ¹× °³¹ß¿¡ µµ¿òÀÌ µÇ´Â code ÇüÅÂÀÇ »êÃâ¹°ÀÌ ¹ß»ý
    ºÐ¼®°ú designÀÌ µ¿½Ã¿¡ ÇØ°áµÇ´Â °æ¿ìµµ ÀÖ°Ú´Ù.
    °í°´À̳ª UserÀÇ ¿ä±¸»çÇ×À» Á»´õ ÀÏÂï ÆÄ¾ÇÇÏ°í °³¼±ÀÌ °¡´ÉÇÏ´Ù.

½ÇÁ¦ Legacy Code¿¡ unit test ÀÛ¾÷À» Çϸ鼭 °¡Àå Èûµç Á¡ Áß¿¡ Çϳª´Â
½ÇÁ¦ ±â´É´ã´çÀÚµµ system behavior¿¡ ´ëÇÑ ÀÌÇØ°¡ ºÎÁ·ÇÏ´Ù´Â °ÍÀÌ´Ù. ¿À·§µ¿¾È ´©±º°¡°¡ ÀÛ¼ºÇÑ ÄÚµå¸ç ¹®Á¦°¡ ³ª¸é ±× ºÎºÐ¿¡ ´ëÇÑ ÀÌÇØ¸¦ ³ôÀÌ´Â ¼öÁØÀ¸·Î ÀÛ¾÷À» Çϰí ÀÖ¾ú´Ù.

'ÀÌ ÇÔ¼ö´Â ¹«½¼ ÀÏÀ» Çϳª¿ä?'
'ÀÌ ÇÔ¼ö´Â ¾î¶² °æ¿ì¿¡ »ç¿ëµÇ´Â °Ç°¡¿ä?'
'ÀÌ·± µ¿ÀÛÀ» ÇÒ ¶§´Â ¾î¶² ÇÔ¼ö¸¦ »ç¿ëÇØ¾ß Çϳª¿ä?'

°³¹ßÀÚ¿¡°Ô System BehaviorÀÇ ÀÌÇØ¸¦ ³ôÀÌ´Â ¹æ¹ýÀÌ ¿ä±¸µÈ´Ù.

BDD°³¹ßÀ» À§ÇÑ Áú¹®¹æ¹ý
½Ã½ºÅÛÀÌ ÇØ¾ßÇÏ´Â °¡Àå Áß¿äÇÑ °ÍÀº ¹«¾ùÀΰ¡?

½Ã½ºÅÛÀÌ ¾ÆÁ÷ ÇÏÁö ¾ÊÀº ´ÙÀ½À¸·Î Áß¿äÇÑ °ÍÀº ¹«¾ùÀΰ¡?

½Ã½ºÅÛÀÌ ¾ø´Ù¸é ¾îµð°¡ ¹«¾ùÀÌ °¡Àå Å« ¿µÇâÀΰ¡?

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