diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..e48b6be --- /dev/null +++ b/.gitignore @@ -0,0 +1,37 @@ +HELP.md +.gradle +build/ +!gradle/wrapper/gradle-wrapper.jar +!**/src/main/**/build/ +!**/src/test/**/build/ + +### STS ### +.apt_generated +.classpath +.factorypath +.project +.settings +.springBeans +.sts4-cache +bin/ +!**/src/main/**/bin/ +!**/src/test/**/bin/ + +### IntelliJ IDEA ### +.idea +*.iws +*.iml +*.ipr +out/ +!**/src/main/**/out/ +!**/src/test/**/out/ + +### NetBeans ### +/nbproject/private/ +/nbbuild/ +/dist/ +/nbdist/ +/.nb-gradle/ + +### VS Code ### +.vscode/ \ No newline at end of file diff --git a/README.MD b/README.MD index 2330361..8665853 100644 --- a/README.MD +++ b/README.MD @@ -1 +1,30 @@ -NextStep Baseball 게임 만들기 +# 미션: 숫자 야구 게임 구현 +> OOP와 TDD를 활용하여 숫자 야구 게임 구현하기 + +## 기능 명세서 +```markdown +1부터 9까지 서로 다른 수로 이루어진 3자리의 수를 맞추는 게임 +``` + +### 1. 컴퓨터는 1에서 9까지 서로 다른 임의의 숫자 3개를 생성한다. +- [x] 숫자는 1부터 9까지의 수여야 한다. + - [x] 1부터 9까지의 수가 아닌 숫자에 대해서 예외 처리할 수 있어야 한다. +- [x] 서로 다른 임의의 숫자 3개를 생성한다. + +### 2. 게임 플레이어는 컴퓨터가 생각하고 있는 3개의 숫자를 선택한다. +- [x] 3개의 숫자는 1에서 9까지의 서로 다른 숫자여야 한다. + - [x] 자리 수가 3이 아닌 경우 예외 처리할 수 있어야 한다. + - [x] 1부터 9까지의 수가 아닌 숫자에 대해서 예외 처리할 수 있어야 한다. + - [x] 중복된 숫자에 대해서 예외 처리할 수 있어야 한다. + +### 3. 컴퓨터는 플레이어가 선택한 숫자에 대한 결과(스트라이크, 볼의 개수)를 반환한다. +- [x] 3자리 숫자에 대한 결과를 반환한다. + +### 4. 컴퓨터가 선택한 3개의 숫자를 모두 맞히면 게임이 종료된다. +- [x] 3 스트라이크가 나오면 게임이 종료된다. +- [x] 3 스크라이크가 나오지 않으면 게임은 계속 진행되어야 한다. + +### 5. 게임을 종료한 후 게임을 다시 시작하거나 완전히 종료할 수 있다. +- [x] 1이 들어오면 게임을 새로 시작한다. +- [x] 2이 들어오면 게임을 완전히 종료한다. +- [x] 1이나 2 이외에 값이 들어온 경우에 대해 예외 처리할 수 있어야 한다. \ No newline at end of file diff --git a/build.gradle b/build.gradle new file mode 100644 index 0000000..7cb007b --- /dev/null +++ b/build.gradle @@ -0,0 +1,24 @@ +plugins { + id 'java' +} + +group 'com.nextstep' +version '1.0-SNAPSHOT' + +repositories { + mavenCentral() +} + +dependencies { + // Assertj + testImplementation 'org.assertj:assertj-core:3.24.2' + + // Junit 5 + testImplementation 'org.junit.jupiter:junit-jupiter-params:5.8.1' + testImplementation 'org.junit.jupiter:junit-jupiter-api:5.8.1' + testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.8.1' +} + +test { + useJUnitPlatform() +} \ No newline at end of file diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 0000000..249e583 Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..ae04661 --- /dev/null +++ b/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,5 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-7.5.1-bin.zip +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/gradlew b/gradlew new file mode 100755 index 0000000..a69d9cb --- /dev/null +++ b/gradlew @@ -0,0 +1,240 @@ +#!/bin/sh + +# +# Copyright © 2015-2021 the original authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# https://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +############################################################################## +# +# Gradle start up script for POSIX generated by Gradle. +# +# Important for running: +# +# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is +# noncompliant, but you have some other compliant shell such as ksh or +# bash, then to run this script, type that shell name before the whole +# command line, like: +# +# ksh Gradle +# +# Busybox and similar reduced shells will NOT work, because this script +# requires all of these POSIX shell features: +# * functions; +# * expansions «$var», «${var}», «${var:-default}», «${var+SET}», +# «${var#prefix}», «${var%suffix}», and «$( cmd )»; +# * compound commands having a testable exit status, especially «case»; +# * various built-in commands including «command», «set», and «ulimit». +# +# Important for patching: +# +# (2) This script targets any POSIX shell, so it avoids extensions provided +# by Bash, Ksh, etc; in particular arrays are avoided. +# +# The "traditional" practice of packing multiple parameters into a +# space-separated string is a well documented source of bugs and security +# problems, so this is (mostly) avoided, by progressively accumulating +# options in "$@", and eventually passing that to Java. +# +# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS, +# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly; +# see the in-line comments for details. +# +# There are tweaks for specific operating systems such as AIX, CygWin, +# Darwin, MinGW, and NonStop. +# +# (3) This script is generated from the Groovy template +# https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt +# within the Gradle project. +# +# You can find Gradle at https://github.com/gradle/gradle/. +# +############################################################################## + +# Attempt to set APP_HOME + +# Resolve links: $0 may be a link +app_path=$0 + +# Need this for daisy-chained symlinks. +while + APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path + [ -h "$app_path" ] +do + ls=$( ls -ld "$app_path" ) + link=${ls#*' -> '} + case $link in #( + /*) app_path=$link ;; #( + *) app_path=$APP_HOME$link ;; + esac +done + +APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit + +APP_NAME="Gradle" +APP_BASE_NAME=${0##*/} + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD=maximum + +warn () { + echo "$*" +} >&2 + +die () { + echo + echo "$*" + echo + exit 1 +} >&2 + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "$( uname )" in #( + CYGWIN* ) cygwin=true ;; #( + Darwin* ) darwin=true ;; #( + MSYS* | MINGW* ) msys=true ;; #( + NONSTOP* ) nonstop=true ;; +esac + +CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar + + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD=$JAVA_HOME/jre/sh/java + else + JAVACMD=$JAVA_HOME/bin/java + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD=java + which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." +fi + +# Increase the maximum file descriptors if we can. +if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then + case $MAX_FD in #( + max*) + MAX_FD=$( ulimit -H -n ) || + warn "Could not query maximum file descriptor limit" + esac + case $MAX_FD in #( + '' | soft) :;; #( + *) + ulimit -n "$MAX_FD" || + warn "Could not set maximum file descriptor limit to $MAX_FD" + esac +fi + +# Collect all arguments for the java command, stacking in reverse order: +# * args from the command line +# * the main class name +# * -classpath +# * -D...appname settings +# * --module-path (only if needed) +# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. + +# For Cygwin or MSYS, switch paths to Windows format before running java +if "$cygwin" || "$msys" ; then + APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) + CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) + + JAVACMD=$( cygpath --unix "$JAVACMD" ) + + # Now convert the arguments - kludge to limit ourselves to /bin/sh + for arg do + if + case $arg in #( + -*) false ;; # don't mess with options #( + /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath + [ -e "$t" ] ;; #( + *) false ;; + esac + then + arg=$( cygpath --path --ignore --mixed "$arg" ) + fi + # Roll the args list around exactly as many times as the number of + # args, so each arg winds up back in the position where it started, but + # possibly modified. + # + # NB: a `for` loop captures its iteration list before it begins, so + # changing the positional parameters here affects neither the number of + # iterations, nor the values presented in `arg`. + shift # remove old arg + set -- "$@" "$arg" # push replacement arg + done +fi + +# Collect all arguments for the java command; +# * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of +# shell script including quotes and variable substitutions, so put them in +# double quotes to make sure that they get re-expanded; and +# * put everything else in single quotes, so that it's not re-expanded. + +set -- \ + "-Dorg.gradle.appname=$APP_BASE_NAME" \ + -classpath "$CLASSPATH" \ + org.gradle.wrapper.GradleWrapperMain \ + "$@" + +# Stop when "xargs" is not available. +if ! command -v xargs >/dev/null 2>&1 +then + die "xargs is not available" +fi + +# Use "xargs" to parse quoted args. +# +# With -n1 it outputs one arg per line, with the quotes and backslashes removed. +# +# In Bash we could simply go: +# +# readarray ARGS < <( xargs -n1 <<<"$var" ) && +# set -- "${ARGS[@]}" "$@" +# +# but POSIX shell has neither arrays nor command substitution, so instead we +# post-process each arg (as a line of input to sed) to backslash-escape any +# character that might be a shell metacharacter, then use eval to reverse +# that process (while maintaining the separation between arguments), and wrap +# the whole thing up as a single "set" statement. +# +# This will of course break if any of these variables contains a newline or +# an unmatched quote. +# + +eval "set -- $( + printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | + xargs -n1 | + sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | + tr '\n' ' ' + )" '"$@"' + +exec "$JAVACMD" "$@" diff --git a/gradlew.bat b/gradlew.bat new file mode 100644 index 0000000..f127cfd --- /dev/null +++ b/gradlew.bat @@ -0,0 +1,91 @@ +@rem +@rem Copyright 2015 the original author or authors. +@rem +@rem Licensed under the Apache License, Version 2.0 (the "License"); +@rem you may not use this file except in compliance with the License. +@rem You may obtain a copy of the License at +@rem +@rem https://www.apache.org/licenses/LICENSE-2.0 +@rem +@rem Unless required by applicable law or agreed to in writing, software +@rem distributed under the License is distributed on an "AS IS" BASIS, +@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +@rem See the License for the specific language governing permissions and +@rem limitations under the License. +@rem + +@if "%DEBUG%"=="" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +set DIRNAME=%~dp0 +if "%DIRNAME%"=="" set DIRNAME=. +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Resolve any "." and ".." in APP_HOME to make it shorter. +for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if %ERRORLEVEL% equ 0 goto execute + +echo. +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto execute + +echo. +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:execute +@rem Setup the command line + +set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar + + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* + +:end +@rem End local scope for the variables with windows NT shell +if %ERRORLEVEL% equ 0 goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +set EXIT_CODE=%ERRORLEVEL% +if %EXIT_CODE% equ 0 set EXIT_CODE=1 +if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE% +exit /b %EXIT_CODE% + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/settings.gradle b/settings.gradle new file mode 100644 index 0000000..14e8bb6 --- /dev/null +++ b/settings.gradle @@ -0,0 +1,2 @@ +rootProject.name = 'number-baseball-game' + diff --git a/src/main/java/com/nextstep/baseball/BaseballGameApplication.java b/src/main/java/com/nextstep/baseball/BaseballGameApplication.java new file mode 100644 index 0000000..a3f055a --- /dev/null +++ b/src/main/java/com/nextstep/baseball/BaseballGameApplication.java @@ -0,0 +1,9 @@ +package com.nextstep.baseball; + +import com.nextstep.baseball.controller.BaseballGameController; + +public class BaseballGameApplication { + public static void main(String[] args) { + new BaseballGameController().run(); + } +} diff --git a/src/main/java/com/nextstep/baseball/controller/BaseballGameController.java b/src/main/java/com/nextstep/baseball/controller/BaseballGameController.java new file mode 100644 index 0000000..c57dbfe --- /dev/null +++ b/src/main/java/com/nextstep/baseball/controller/BaseballGameController.java @@ -0,0 +1,53 @@ +package com.nextstep.baseball.controller; + +import com.nextstep.baseball.domain.BaseballCounter; +import com.nextstep.baseball.domain.BaseballNumbers; +import com.nextstep.baseball.domain.BaseballStatus; +import com.nextstep.baseball.util.BaseballNumbersGanerator; +import com.nextstep.baseball.view.InputView; +import com.nextstep.baseball.view.PrintView; + +import java.util.List; + +public class BaseballGameController { + + public void run() { + BaseballNumbers answers = BaseballNumbersGanerator.generateRandomNumbers(); + while (true) { + try { + List numbers = InputView.inputNumbers(); + BaseballNumbers playerNumbers = new BaseballNumbers(numbers); + BaseballStatus status = BaseballCounter.compareNumbers(playerNumbers, answers); + PrintView.printBaseballStatus(status); + if (isGameEnd(status)) { + PrintView.printGameEndMessage(); + PrintView.printMenu(); + int menu = InputView.inputMenu(); + if (!restartGame(menu)) { + return; + } + answers = BaseballNumbersGanerator.generateRandomNumbers(); + } + } catch (RuntimeException e) { + PrintView.printErrorMessage(e.getMessage()); + } + } + } + + public boolean isGameEnd(BaseballStatus status) { + if (status.is3Strikes()) { + return true; + } + return false; + } + + public boolean restartGame(int menu) { + if (menu == 1) { + return true; + } + if (menu == 2) { + return false; + } + throw new IllegalArgumentException("다시 선택해주세요."); + } +} diff --git a/src/main/java/com/nextstep/baseball/domain/BaseballCounter.java b/src/main/java/com/nextstep/baseball/domain/BaseballCounter.java new file mode 100644 index 0000000..23a5a23 --- /dev/null +++ b/src/main/java/com/nextstep/baseball/domain/BaseballCounter.java @@ -0,0 +1,30 @@ +package com.nextstep.baseball.domain; + +import java.util.List; +import java.util.stream.IntStream; + +public class BaseballCounter { + + public static final int NUMBERS_SIZE = 3; + + public static BaseballStatus compareNumbers(BaseballNumbers playerNumbers, BaseballNumbers answers) { + List playerNumberList = playerNumbers.getBaseballNumbers(); + List answerList = answers.getBaseballNumbers(); + + int strikes = (int) IntStream.range(0, NUMBERS_SIZE) + .filter(i -> playerNumberList.get(i).isStrike(answerList.get(i))) + .count(); + + int balls = (int) IntStream.range(0, NUMBERS_SIZE) + .filter(i -> !playerNumberList.get(i).isStrike(answerList.get(i)) && + containsNumber(playerNumberList.get(i), answerList)) + .count(); + + return new BaseballStatus(strikes, balls); + } + + private static boolean containsNumber(BaseballNumber playerNumber, List answerList) { + return answerList.stream() + .anyMatch(answer -> answer.isBall(playerNumber)); + } +} diff --git a/src/main/java/com/nextstep/baseball/domain/BaseballNumber.java b/src/main/java/com/nextstep/baseball/domain/BaseballNumber.java new file mode 100644 index 0000000..f4a209e --- /dev/null +++ b/src/main/java/com/nextstep/baseball/domain/BaseballNumber.java @@ -0,0 +1,27 @@ +package com.nextstep.baseball.domain; + +public record BaseballNumber(int position, int number) { + + public static final int MIN = 1; + public static final int MAX = 9; + + public static boolean validate(int number) { + if (MIN <= number && number <= MAX) { + return true; + } + throw new IllegalArgumentException("1부터 9까지의 수여야 합니다."); + } + + @Override + public int number() { + return number; + } + + public boolean isStrike(BaseballNumber number) { + return this.equals(number); + } + + public boolean isBall(BaseballNumber number) { + return this.number == number.number; + } +} diff --git a/src/main/java/com/nextstep/baseball/domain/BaseballNumbers.java b/src/main/java/com/nextstep/baseball/domain/BaseballNumbers.java new file mode 100644 index 0000000..94abf43 --- /dev/null +++ b/src/main/java/com/nextstep/baseball/domain/BaseballNumbers.java @@ -0,0 +1,50 @@ +package com.nextstep.baseball.domain; + +import java.util.HashSet; +import java.util.List; +import java.util.Set; +import java.util.stream.Collectors; +import java.util.stream.IntStream; + +public class BaseballNumbers { + + public static final int NUMBERS_SIZE = 3; + + private final List baseballNumbers; + + public BaseballNumbers(List numbers) { + validateNumbersSize(numbers); + validateNumbersRange(numbers); + validateNumbersDuplication(numbers); + this.baseballNumbers = mapNumbers(numbers); + } + + private static List mapNumbers(List numbers) { + return IntStream.range(0, NUMBERS_SIZE) + .mapToObj(i -> new BaseballNumber(i + 1, numbers.get(i))) + .collect(Collectors.toList()); + } + + public static void validateNumbersSize(List numbers) { + if (numbers.size() != NUMBERS_SIZE) { + throw new IllegalArgumentException("3자리 숫자여야 합니다."); + } + } + + public static void validateNumbersRange(List numbers) { + for (Integer number : numbers) { + BaseballNumber.validate(number); + } + } + + public static void validateNumbersDuplication(List numbers) { + Set numbersSet = new HashSet<>(numbers); + if (numbersSet.size() != NUMBERS_SIZE) { + throw new IllegalArgumentException("중복된 수가 있습니다."); + } + } + + public List getBaseballNumbers() { + return baseballNumbers; + } +} diff --git a/src/main/java/com/nextstep/baseball/domain/BaseballStatus.java b/src/main/java/com/nextstep/baseball/domain/BaseballStatus.java new file mode 100644 index 0000000..6f9114a --- /dev/null +++ b/src/main/java/com/nextstep/baseball/domain/BaseballStatus.java @@ -0,0 +1,24 @@ +package com.nextstep.baseball.domain; + +public class BaseballStatus { + + private final int strikes; + private final int balls; + + public BaseballStatus(int strike, int ball) { + this.strikes = strike; + this.balls = ball; + } + + public int getStrikes() { + return strikes; + } + + public int getBalls() { + return balls; + } + + public boolean is3Strikes() { + return strikes == 3; + } +} diff --git a/src/main/java/com/nextstep/baseball/util/BaseballNumbersGanerator.java b/src/main/java/com/nextstep/baseball/util/BaseballNumbersGanerator.java new file mode 100644 index 0000000..0b23284 --- /dev/null +++ b/src/main/java/com/nextstep/baseball/util/BaseballNumbersGanerator.java @@ -0,0 +1,21 @@ +package com.nextstep.baseball.util; + +import com.nextstep.baseball.domain.BaseballNumbers; + +import java.util.concurrent.ThreadLocalRandom; +import java.util.stream.Collectors; + +public class BaseballNumbersGanerator { + + public static final int NUMBERS_SIZE = 3; + public static final int MIN = 1; + public static final int MAX = 9; + + public static BaseballNumbers generateRandomNumbers() { + return new BaseballNumbers(ThreadLocalRandom.current().ints(MIN, MAX + 1) + .distinct() + .limit(NUMBERS_SIZE) + .boxed() + .collect(Collectors.toList())); + } +} diff --git a/src/main/java/com/nextstep/baseball/view/InputView.java b/src/main/java/com/nextstep/baseball/view/InputView.java new file mode 100644 index 0000000..ccb935b --- /dev/null +++ b/src/main/java/com/nextstep/baseball/view/InputView.java @@ -0,0 +1,27 @@ +package com.nextstep.baseball.view; + +import java.util.List; +import java.util.Scanner; +import java.util.stream.Collectors; +import java.util.stream.Stream; + +public class InputView { + + private static final Scanner SCANNER = new Scanner(System.in); + + public static List inputNumbers() { + System.out.print("숫자를 입력해 주세요 : "); + int numbers = SCANNER.nextInt(); + return integerToList(numbers); + } + + private static List integerToList(int number) { + return Stream.of(String.valueOf(number).split("")) + .map(Integer::parseInt) + .collect(Collectors.toList()); + } + + public static int inputMenu() { + return SCANNER.nextInt(); + } +} diff --git a/src/main/java/com/nextstep/baseball/view/PrintView.java b/src/main/java/com/nextstep/baseball/view/PrintView.java new file mode 100644 index 0000000..6f8b701 --- /dev/null +++ b/src/main/java/com/nextstep/baseball/view/PrintView.java @@ -0,0 +1,31 @@ +package com.nextstep.baseball.view; + +import com.nextstep.baseball.domain.BaseballStatus; + +public class PrintView { + + public static void printErrorMessage(String errorMessage) { + System.out.println(errorMessage); + } + + public static void printBaseballStatus(BaseballStatus baseballStatus) { + StringBuilder builder = new StringBuilder(); + if (baseballStatus.getBalls() != 0) { + builder.append(baseballStatus.getBalls()); + builder.append("볼 "); + } + if (baseballStatus.getStrikes() != 0) { + builder.append(baseballStatus.getStrikes()); + builder.append("스트라이크 "); + } + System.out.println(builder); + } + + public static void printGameEndMessage() { + System.out.println("3개의 숫자를 모두 맞히셨습니다! 게임 종료"); + } + + public static void printMenu() { + System.out.println("게임을 새로 시작하려면 1, 종료하려면 2를 입력하세요."); + } +} diff --git a/src/test/java/com/nextstep/baseball/controller/BaseballGameControllerTest.java b/src/test/java/com/nextstep/baseball/controller/BaseballGameControllerTest.java new file mode 100644 index 0000000..d98450f --- /dev/null +++ b/src/test/java/com/nextstep/baseball/controller/BaseballGameControllerTest.java @@ -0,0 +1,53 @@ +package com.nextstep.baseball.controller; + +import com.nextstep.baseball.domain.BaseballStatus; +import org.junit.jupiter.api.BeforeEach; +import org.junit.jupiter.api.DisplayName; +import org.junit.jupiter.api.Test; + +import static org.assertj.core.api.Assertions.assertThat; +import static org.assertj.core.api.Assertions.assertThatThrownBy; + +class BaseballGameControllerTest { + + BaseballGameController baseballGameController; + + @BeforeEach + void setUp() { + baseballGameController = new BaseballGameController(); + } + + @Test + @DisplayName("3 스트라이크가 나오면 게임 종료") + void gameOverOn3Strikes() { + BaseballStatus status = new BaseballStatus(3, 0); + assertThat(baseballGameController.isGameEnd(status)).isTrue(); + } + + @Test + @DisplayName("3 스트라이크가 나오면 게임 종료") + void continueGame() { + BaseballStatus status = new BaseballStatus(1, 0); + assertThat(baseballGameController.isGameEnd(status)).isFalse(); + } + + @Test + @DisplayName("1이 들어오면 게임을 새로 시작") + void restartGame() { + assertThat(baseballGameController.restartGame(1)).isTrue(); + } + + @Test + @DisplayName("2이 들어오면 게임을 완전히 종료") + void quitGameCompletely() { + assertThat(baseballGameController.restartGame(2)).isFalse(); + } + + @Test + @DisplayName("1이나 2 이외에 값이 들어온 경우") + void otherMenuSelectionException() { + assertThatThrownBy(() -> baseballGameController.restartGame(3)) + .isInstanceOf(IllegalArgumentException.class) + .hasMessage("다시 선택해주세요."); + } +} \ No newline at end of file diff --git a/src/test/java/com/nextstep/baseball/domain/BaseballCounterTest.java b/src/test/java/com/nextstep/baseball/domain/BaseballCounterTest.java new file mode 100644 index 0000000..063ac82 --- /dev/null +++ b/src/test/java/com/nextstep/baseball/domain/BaseballCounterTest.java @@ -0,0 +1,45 @@ +package com.nextstep.baseball.domain; + +import org.junit.jupiter.api.DisplayName; +import org.junit.jupiter.api.Test; + +import java.util.List; + +import static org.assertj.core.api.Assertions.assertThat; + +public class BaseballCounterTest { + + @Test + @DisplayName("같은 숫자일 때 스트라이크 3개") + void sameNumbersAllStrikes() { + BaseballNumbers playerNumbers = new BaseballNumbers(List.of(1, 2, 3)); + BaseballNumbers answers = new BaseballNumbers(List.of(1, 2, 3)); + BaseballStatus status = BaseballCounter.compareNumbers(playerNumbers, answers); + + assertThat(status.getStrikes()).isEqualTo(3); + assertThat(status.getBalls()).isEqualTo(0); + } + + @Test + @DisplayName("숫자는 같으나 위치가 다를 때 스트라이크 1개, 볼 2개") + void sameNumbersDifferentPositions() { + BaseballNumbers playerNumbers = new BaseballNumbers(List.of(1, 2, 3)); + BaseballNumbers answers = new BaseballNumbers(List.of(2, 1, 3)); + BaseballStatus status = BaseballCounter.compareNumbers(playerNumbers, answers); + + assertThat(status.getStrikes()).isEqualTo(1); + assertThat(status.getBalls()).isEqualTo(2); + } + + @Test + @DisplayName("숫자가 전혀 일치하지 않을 때 스트라이크 0개, 볼 0개") + void noMatchingNumbers() { + BaseballNumbers playerNumbers = new BaseballNumbers(List.of(1, 2, 3)); + BaseballNumbers answers = new BaseballNumbers(List.of(4, 5, 6)); + BaseballStatus status = BaseballCounter.compareNumbers(playerNumbers, answers); + + assertThat(status.getStrikes()).isEqualTo(0); + assertThat(status.getBalls()).isEqualTo(0); + } + +} diff --git a/src/test/java/com/nextstep/baseball/domain/BaseballNumberTest.java b/src/test/java/com/nextstep/baseball/domain/BaseballNumberTest.java new file mode 100644 index 0000000..c0ad04c --- /dev/null +++ b/src/test/java/com/nextstep/baseball/domain/BaseballNumberTest.java @@ -0,0 +1,28 @@ +package com.nextstep.baseball.domain; + +import org.junit.jupiter.api.DisplayName; +import org.junit.jupiter.params.ParameterizedTest; +import org.junit.jupiter.params.provider.ValueSource; + +import static org.assertj.core.api.Assertions.assertThat; +import static org.assertj.core.api.Assertions.assertThatThrownBy; + +public class BaseballNumberTest { + + @ParameterizedTest + @ValueSource(ints = {1, 2, 3, 4, 5, 6, 7, 8, 9}) + @DisplayName("1부터 9까지의 수 검증") + void validateNumberFrom1To9(int number) { + assertThat(BaseballNumber.validate(number)).isTrue(); + } + + + @ParameterizedTest + @ValueSource(ints = {-1, 0, 10, 11}) + @DisplayName("1부터 9까지의 수가 아닌 숫자 검증 에외") + void validateException(int number) { + assertThatThrownBy(() -> BaseballNumber.validate(number)) + .isInstanceOf(IllegalArgumentException.class) + .hasMessage("1부터 9까지의 수여야 합니다."); + } +} diff --git a/src/test/java/com/nextstep/baseball/domain/BaseballNumbersTest.java b/src/test/java/com/nextstep/baseball/domain/BaseballNumbersTest.java new file mode 100644 index 0000000..c7c8161 --- /dev/null +++ b/src/test/java/com/nextstep/baseball/domain/BaseballNumbersTest.java @@ -0,0 +1,45 @@ +package com.nextstep.baseball.domain; + +import org.junit.jupiter.api.DisplayName; +import org.junit.jupiter.api.Test; + +import java.util.List; + +import static org.assertj.core.api.Assertions.assertThatCode; +import static org.assertj.core.api.Assertions.assertThatThrownBy; + +public class BaseballNumbersTest { + + @Test + @DisplayName("자리 수가 3인지 검증") + void validateNumbersSize() { + assertThatCode(() -> BaseballNumbers.validateNumbersSize(List.of(1, 2, 3))) + .doesNotThrowAnyException(); + + assertThatThrownBy(() -> BaseballNumbers.validateNumbersSize(List.of(1, 2, 3, 4))) + .isInstanceOf(IllegalArgumentException.class) + .hasMessage("3자리 숫자여야 합니다."); + } + + @Test + @DisplayName("1부터 9까지의 수인지 검증") + void validateNumbersRange() { + assertThatCode(() -> BaseballNumbers.validateNumbersRange(List.of(1, 2, 3))) + .doesNotThrowAnyException(); + + assertThatThrownBy(() -> BaseballNumbers.validateNumbersRange(List.of(1, 2, 10))) + .isInstanceOf(IllegalArgumentException.class) + .hasMessage("1부터 9까지의 수여야 합니다."); + } + + @Test + @DisplayName("중복 숫자 검증") + void validateNumbersDuplication() { + assertThatCode(() -> BaseballNumbers.validateNumbersDuplication(List.of(1, 2, 3))) + .doesNotThrowAnyException(); + + assertThatThrownBy(() -> BaseballNumbers.validateNumbersDuplication(List.of(1, 2, 2))) + .isInstanceOf(IllegalArgumentException.class) + .hasMessage("중복된 수가 있습니다."); + } +}