├── settings.gradle ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── src ├── test │ └── java │ │ ├── com │ │ └── deg540 │ │ │ └── bankkata │ │ │ └── AccountShould.java │ │ └── acceptance │ │ └── StatementPrinterFeature.java └── main │ └── java │ └── com │ └── deg540 │ └── bankkata │ ├── Console.java │ └── Account.java ├── .gitignore ├── Readme.md ├── gradlew.bat └── gradlew /settings.gradle: -------------------------------------------------------------------------------- 1 | rootProject.name = 'bankkata' 2 | 3 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/540/bank-kata-java/master/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /src/test/java/com/deg540/bankkata/AccountShould.java: -------------------------------------------------------------------------------- 1 | package com.deg540.bankkata; 2 | 3 | public class AccountShould { 4 | 5 | 6 | } 7 | -------------------------------------------------------------------------------- /src/main/java/com/deg540/bankkata/Console.java: -------------------------------------------------------------------------------- 1 | package com.deg540.bankkata; 2 | 3 | public class Console { 4 | 5 | public void printLine(String text) { 6 | 7 | } 8 | } 9 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Mon Oct 16 14:04:44 CEST 2017 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=https\://services.gradle.org/distributions/gradle-3.5-rc-2-all.zip 7 | -------------------------------------------------------------------------------- /src/main/java/com/deg540/bankkata/Account.java: -------------------------------------------------------------------------------- 1 | package com.deg540.bankkata; 2 | 3 | public class Account { 4 | 5 | public void printStatement() { 6 | 7 | 8 | } 9 | 10 | public void deposit(int amount) { 11 | 12 | 13 | } 14 | 15 | public void withdraw(int amount) { 16 | 17 | 18 | } 19 | } 20 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # Created by .ignore support plugin (hsz.mobi) 2 | *.DS_Store 3 | 4 | # Java class files 5 | *.class 6 | 7 | # Generated files 8 | bin/ 9 | gen/ 10 | 11 | # Gradle files 12 | .gradle/ 13 | build/ 14 | /*/build/ 15 | *.iml 16 | 17 | # Local configuration file (sdk path, etc) 18 | local.properties 19 | 20 | # Log Files 21 | *.log 22 | 23 | .idea/ 24 | -------------------------------------------------------------------------------- /src/test/java/acceptance/StatementPrinterFeature.java: -------------------------------------------------------------------------------- 1 | package acceptance; 2 | 3 | import com.deg540.bankkata.Account; 4 | import com.deg540.bankkata.Console; 5 | import org.junit.Test; 6 | import org.junit.runner.RunWith; 7 | import org.mockito.InOrder; 8 | import org.mockito.Mock; 9 | import org.mockito.Mockito; 10 | import org.mockito.runners.MockitoJUnitRunner; 11 | 12 | @RunWith(MockitoJUnitRunner.class) 13 | public class StatementPrinterFeature { 14 | 15 | @Mock 16 | Console console; 17 | 18 | private Account account; 19 | 20 | @Test 21 | public void 22 | print_transactions_in_reverse_chronological_order() { 23 | account = new Account(); 24 | 25 | account.deposit(1000); 26 | account.withdraw(-100); 27 | account.deposit(500); 28 | 29 | account.printStatement(); 30 | 31 | InOrder inOrder = Mockito.inOrder(console); 32 | inOrder.verify(console).printLine("DATE | AMOUNT | BALANCE"); 33 | inOrder.verify(console).printLine("10/04/2014 | 500.00 | 1400.00"); 34 | inOrder.verify(console).printLine("02/04/2014 | -100.00 | 900.00"); 35 | inOrder.verify(console).printLine("01/04/2014 | 1000.00 | 1000.00"); 36 | } 37 | } 38 | -------------------------------------------------------------------------------- /Readme.md: -------------------------------------------------------------------------------- 1 | Outside-In TDD con tests de aceptación 2 | ======================================== 3 |   4 | ### Objetivo 5 | 6 | Aprender y practicar la doble vuelta de TDD 7 | Testear la aplicación desde fuera, identificando los efectos colaterales 8 |   9 | ### Descripción del problema - Bank kata 10 |   11 | Crear una aplicación bancaria simple con las siguientes funcionalidades: 12 | 13 | - Ingresar dinero en una cuenta. 14 | - Retirar dinero de una cuenta. 15 | - Imprimir por consola el extracto, un resumen de las operaciones en orden cronológico: 16 |   17 | ## Criterios de aceptación 18 | 19 | El resumen de operaciones debe tener el siguiente formato: 20 | 21 | ``` 22 | FECHA | CRÉDITO | BALANCE 23 | 10/04/2014 | 500.00 | 1400.00 24 | 02/04/2014 | -100.00 | 900.00 25 | 01/04/2014 | 1000.00 | 1000.00 26 | ``` 27 | 28 | ## Punto de inicio y restricciones 29 | 30 | Empezar con una clase con la siguiente estructura: 31 | 32 | public class Account { 33 | 34 | public void deposit(int amount); 35 | 36 | public void withdrawal(int amount); 37 | 38 | public void printStatement(); 39 | 40 | } 41 | 42 | No esta permitido añadir ningún otro método público a esta clase. 43 | 44 | **NOTA:** Para mantener el ejercicio más simple usa _int_ para el importe y _String_ para las fechas. 45 | Además, se puede ignorar el formato de salida del extracto (espacios entre pipes y las palabras, etc). 46 | 47 | 48 | ## Créditos 49 | 50 | Esta es únicamente la versión java y con descripción en castellano de la kata original. La kata original está publicada en [sandromancuso github](https://github.com/sandromancuso/bank-kata-outsidein-screencast) 51 | 52 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @if "%DEBUG%" == "" @echo off 2 | @rem ########################################################################## 3 | @rem 4 | @rem Gradle startup script for Windows 5 | @rem 6 | @rem ########################################################################## 7 | 8 | @rem Set local scope for the variables with windows NT shell 9 | if "%OS%"=="Windows_NT" setlocal 10 | 11 | set DIRNAME=%~dp0 12 | if "%DIRNAME%" == "" set DIRNAME=. 13 | set APP_BASE_NAME=%~n0 14 | set APP_HOME=%DIRNAME% 15 | 16 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 17 | set DEFAULT_JVM_OPTS= 18 | 19 | @rem Find java.exe 20 | if defined JAVA_HOME goto findJavaFromJavaHome 21 | 22 | set JAVA_EXE=java.exe 23 | %JAVA_EXE% -version >NUL 2>&1 24 | if "%ERRORLEVEL%" == "0" goto init 25 | 26 | echo. 27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 28 | echo. 29 | echo Please set the JAVA_HOME variable in your environment to match the 30 | echo location of your Java installation. 31 | 32 | goto fail 33 | 34 | :findJavaFromJavaHome 35 | set JAVA_HOME=%JAVA_HOME:"=% 36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 37 | 38 | if exist "%JAVA_EXE%" goto init 39 | 40 | echo. 41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 42 | echo. 43 | echo Please set the JAVA_HOME variable in your environment to match the 44 | echo location of your Java installation. 45 | 46 | goto fail 47 | 48 | :init 49 | @rem Get command-line arguments, handling Windows variants 50 | 51 | if not "%OS%" == "Windows_NT" goto win9xME_args 52 | 53 | :win9xME_args 54 | @rem Slurp the command line arguments. 55 | set CMD_LINE_ARGS= 56 | set _SKIP=2 57 | 58 | :win9xME_args_slurp 59 | if "x%~1" == "x" goto execute 60 | 61 | set CMD_LINE_ARGS=%* 62 | 63 | :execute 64 | @rem Setup the command line 65 | 66 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 67 | 68 | @rem Execute Gradle 69 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% 70 | 71 | :end 72 | @rem End local scope for the variables with windows NT shell 73 | if "%ERRORLEVEL%"=="0" goto mainEnd 74 | 75 | :fail 76 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 77 | rem the _cmd.exe /c_ return code! 78 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 79 | exit /b 1 80 | 81 | :mainEnd 82 | if "%OS%"=="Windows_NT" endlocal 83 | 84 | :omega 85 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env sh 2 | 3 | ############################################################################## 4 | ## 5 | ## Gradle start up script for UN*X 6 | ## 7 | ############################################################################## 8 | 9 | # Attempt to set APP_HOME 10 | # Resolve links: $0 may be a link 11 | PRG="$0" 12 | # Need this for relative symlinks. 13 | while [ -h "$PRG" ] ; do 14 | ls=`ls -ld "$PRG"` 15 | link=`expr "$ls" : '.*-> \(.*\)$'` 16 | if expr "$link" : '/.*' > /dev/null; then 17 | PRG="$link" 18 | else 19 | PRG=`dirname "$PRG"`"/$link" 20 | fi 21 | done 22 | SAVED="`pwd`" 23 | cd "`dirname \"$PRG\"`/" >/dev/null 24 | APP_HOME="`pwd -P`" 25 | cd "$SAVED" >/dev/null 26 | 27 | APP_NAME="Gradle" 28 | APP_BASE_NAME=`basename "$0"` 29 | 30 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 31 | DEFAULT_JVM_OPTS="" 32 | 33 | # Use the maximum available, or set MAX_FD != -1 to use that value. 34 | MAX_FD="maximum" 35 | 36 | warn ( ) { 37 | echo "$*" 38 | } 39 | 40 | die ( ) { 41 | echo 42 | echo "$*" 43 | echo 44 | exit 1 45 | } 46 | 47 | # OS specific support (must be 'true' or 'false'). 48 | cygwin=false 49 | msys=false 50 | darwin=false 51 | nonstop=false 52 | case "`uname`" in 53 | CYGWIN* ) 54 | cygwin=true 55 | ;; 56 | Darwin* ) 57 | darwin=true 58 | ;; 59 | MINGW* ) 60 | msys=true 61 | ;; 62 | NONSTOP* ) 63 | nonstop=true 64 | ;; 65 | esac 66 | 67 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 68 | 69 | # Determine the Java command to use to start the JVM. 70 | if [ -n "$JAVA_HOME" ] ; then 71 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 72 | # IBM's JDK on AIX uses strange locations for the executables 73 | JAVACMD="$JAVA_HOME/jre/sh/java" 74 | else 75 | JAVACMD="$JAVA_HOME/bin/java" 76 | fi 77 | if [ ! -x "$JAVACMD" ] ; then 78 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 79 | 80 | Please set the JAVA_HOME variable in your environment to match the 81 | location of your Java installation." 82 | fi 83 | else 84 | JAVACMD="java" 85 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 86 | 87 | Please set the JAVA_HOME variable in your environment to match the 88 | location of your Java installation." 89 | fi 90 | 91 | # Increase the maximum file descriptors if we can. 92 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then 93 | MAX_FD_LIMIT=`ulimit -H -n` 94 | if [ $? -eq 0 ] ; then 95 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 96 | MAX_FD="$MAX_FD_LIMIT" 97 | fi 98 | ulimit -n $MAX_FD 99 | if [ $? -ne 0 ] ; then 100 | warn "Could not set maximum file descriptor limit: $MAX_FD" 101 | fi 102 | else 103 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 104 | fi 105 | fi 106 | 107 | # For Darwin, add options to specify how the application appears in the dock 108 | if $darwin; then 109 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 110 | fi 111 | 112 | # For Cygwin, switch paths to Windows format before running java 113 | if $cygwin ; then 114 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 115 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 116 | JAVACMD=`cygpath --unix "$JAVACMD"` 117 | 118 | # We build the pattern for arguments to be converted via cygpath 119 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 120 | SEP="" 121 | for dir in $ROOTDIRSRAW ; do 122 | ROOTDIRS="$ROOTDIRS$SEP$dir" 123 | SEP="|" 124 | done 125 | OURCYGPATTERN="(^($ROOTDIRS))" 126 | # Add a user-defined pattern to the cygpath arguments 127 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 128 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 129 | fi 130 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 131 | i=0 132 | for arg in "$@" ; do 133 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 134 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 135 | 136 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 137 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 138 | else 139 | eval `echo args$i`="\"$arg\"" 140 | fi 141 | i=$((i+1)) 142 | done 143 | case $i in 144 | (0) set -- ;; 145 | (1) set -- "$args0" ;; 146 | (2) set -- "$args0" "$args1" ;; 147 | (3) set -- "$args0" "$args1" "$args2" ;; 148 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;; 149 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 150 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 151 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 152 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 153 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 154 | esac 155 | fi 156 | 157 | # Escape application args 158 | save ( ) { 159 | for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done 160 | echo " " 161 | } 162 | APP_ARGS=$(save "$@") 163 | 164 | # Collect all arguments for the java command, following the shell quoting and substitution rules 165 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" 166 | 167 | # by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong 168 | if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then 169 | cd "$(dirname "$0")" 170 | fi 171 | 172 | exec "$JAVACMD" "$@" 173 | --------------------------------------------------------------------------------