diff --git a/short/.gitignore b/short/.gitignore new file mode 100644 index 00000000..c2065bc2 --- /dev/null +++ b/short/.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/ diff --git a/short/build.gradle b/short/build.gradle new file mode 100644 index 00000000..21bf7792 --- /dev/null +++ b/short/build.gradle @@ -0,0 +1,35 @@ +plugins { + id 'java' + id 'org.springframework.boot' version '2.7.16' + id 'io.spring.dependency-management' version '1.0.15.RELEASE' +} + +group = 'com.dev' +version = '0.0.1-SNAPSHOT' + +java { + sourceCompatibility = '17' +} + +configurations { + compileOnly { + extendsFrom annotationProcessor + } +} + +repositories { + mavenCentral() +} + +dependencies { + implementation 'org.springframework.boot:spring-boot-starter-data-jpa' + implementation 'org.springframework.boot:spring-boot-starter-web' + implementation 'org.springframework.boot:spring-boot-starter-thymeleaf' + runtimeOnly 'com.mysql:mysql-connector-j' + annotationProcessor 'org.projectlombok:lombok' + testImplementation 'org.springframework.boot:spring-boot-starter-test' +} + +tasks.named('test') { + useJUnitPlatform() +} diff --git a/short/gradle/wrapper/gradle-wrapper.jar b/short/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 00000000..033e24c4 Binary files /dev/null and b/short/gradle/wrapper/gradle-wrapper.jar differ diff --git a/short/gradle/wrapper/gradle-wrapper.properties b/short/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 00000000..9f4197d5 --- /dev/null +++ b/short/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,7 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-8.2.1-bin.zip +networkTimeout=10000 +validateDistributionUrl=true +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/short/gradlew b/short/gradlew new file mode 100755 index 00000000..fcb6fca1 --- /dev/null +++ b/short/gradlew @@ -0,0 +1,248 @@ +#!/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/HEAD/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 + +# This is normally unused +# shellcheck disable=SC2034 +APP_BASE_NAME=${0##*/} +APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD=maximum + +warn () { + echo "$*" +} >&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: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD=java + if ! command -v java >/dev/null 2>&1 + then + die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +fi + +# Increase the maximum file descriptors if we can. +if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then + case $MAX_FD in #( + max*) + # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC3045 + MAX_FD=$( ulimit -H -n ) || + warn "Could not query maximum file descriptor limit" + esac + case $MAX_FD in #( + '' | soft) :;; #( + *) + # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC3045 + ulimit -n "$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 + + +# 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"' + +# 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/short/gradlew.bat b/short/gradlew.bat new file mode 100644 index 00000000..93e3f59f --- /dev/null +++ b/short/gradlew.bat @@ -0,0 +1,92 @@ +@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=. +@rem This is normally unused +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/short/settings.gradle b/short/settings.gradle new file mode 100644 index 00000000..f5ef88a2 --- /dev/null +++ b/short/settings.gradle @@ -0,0 +1 @@ +rootProject.name = 'short' diff --git a/short/src/main/java/com/example/demo/ShortApplication.java b/short/src/main/java/com/example/demo/ShortApplication.java new file mode 100644 index 00000000..940a8dca --- /dev/null +++ b/short/src/main/java/com/example/demo/ShortApplication.java @@ -0,0 +1,13 @@ +package com.example.demo; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; + +@SpringBootApplication +public class ShortApplication { + + public static void main(String[] args) { + SpringApplication.run(ShortApplication.class, args); + } + +} diff --git a/short/src/main/java/com/example/demo/controller/ShortUrlController.java b/short/src/main/java/com/example/demo/controller/ShortUrlController.java new file mode 100644 index 00000000..dbd45571 --- /dev/null +++ b/short/src/main/java/com/example/demo/controller/ShortUrlController.java @@ -0,0 +1,38 @@ +package com.example.demo.controller; + +import com.example.demo.dto.UrlRequest; +import com.example.demo.service.UrlService; +import lombok.RequiredArgsConstructor; +import org.springframework.stereotype.Controller; +import org.springframework.ui.Model; +import org.springframework.web.bind.annotation.*; + + +@Controller +@RequiredArgsConstructor +@RequestMapping("/dev.choi") +public class ShortUrlController { + private final UrlService urlService; + + @GetMapping("/createForm") + public String createForm() { + return "short/createShortUrlForm"; + } + + @PostMapping + public String saveUrl( + UrlRequest urlRequest, + Model model + ) { + model.addAttribute("urlResponse", urlService.saveUrl(urlRequest)); + + return "short/urlInfo"; + } + + @GetMapping("/{encoded}") + public String redirect(@PathVariable String encoded) { + String orgUrl = urlService.redirectUrl(encoded); + + return "redirect:" + orgUrl; + } +} diff --git a/short/src/main/java/com/example/demo/dto/UrlRequest.java b/short/src/main/java/com/example/demo/dto/UrlRequest.java new file mode 100644 index 00000000..260d96b5 --- /dev/null +++ b/short/src/main/java/com/example/demo/dto/UrlRequest.java @@ -0,0 +1,4 @@ +package com.example.demo.dto; + +public record UrlRequest(String orgUrl) { +} diff --git a/short/src/main/java/com/example/demo/dto/UrlResponse.java b/short/src/main/java/com/example/demo/dto/UrlResponse.java new file mode 100644 index 00000000..ad3831bf --- /dev/null +++ b/short/src/main/java/com/example/demo/dto/UrlResponse.java @@ -0,0 +1,13 @@ +package com.example.demo.dto; + +public record UrlResponse( + String url, + String orgUrl +) { + public static UrlResponse of( + String url, + String orgUrl + ) { + return new UrlResponse(url, orgUrl); + } +} diff --git a/short/src/main/java/com/example/demo/entity/Url.java b/short/src/main/java/com/example/demo/entity/Url.java new file mode 100644 index 00000000..ce476b48 --- /dev/null +++ b/short/src/main/java/com/example/demo/entity/Url.java @@ -0,0 +1,30 @@ +package com.example.demo.entity; + +import lombok.Getter; +import lombok.NoArgsConstructor; + +import javax.persistence.*; + +@Entity +@Getter +@NoArgsConstructor +@Table(name = "urls") +public class Url { + @Id + @GeneratedValue(strategy = GenerationType.IDENTITY) + private Long id; + + @Column(nullable = false, name = "original_url") + private String originalUrl; + + @Column(unique = true) + private String encoded; // index를 base62로 인코딩 한 결과 + + public Url(String originalUrl) { + this.originalUrl = originalUrl; + } + + public void setEncoded(String encoded) { + this.encoded = encoded; + } +} diff --git a/short/src/main/java/com/example/demo/repository/UrlRepository.java b/short/src/main/java/com/example/demo/repository/UrlRepository.java new file mode 100644 index 00000000..e8774243 --- /dev/null +++ b/short/src/main/java/com/example/demo/repository/UrlRepository.java @@ -0,0 +1,13 @@ +package com.example.demo.repository; + +import com.example.demo.entity.Url; +import org.springframework.data.jpa.repository.JpaRepository; +import org.springframework.data.jpa.repository.Query; +import org.springframework.data.repository.query.Param; + +import java.util.Optional; + +public interface UrlRepository extends JpaRepository { + @Query("select u from Url u where u.encoded = :encoded") + Optional findByEncoded(@Param("encoded") String encoded); +} diff --git a/short/src/main/java/com/example/demo/service/UrlService.java b/short/src/main/java/com/example/demo/service/UrlService.java new file mode 100644 index 00000000..e2fe800d --- /dev/null +++ b/short/src/main/java/com/example/demo/service/UrlService.java @@ -0,0 +1,62 @@ +package com.example.demo.service; + +import com.example.demo.dto.UrlRequest; +import com.example.demo.dto.UrlResponse; +import com.example.demo.entity.Url; +import com.example.demo.repository.UrlRepository; +import lombok.RequiredArgsConstructor; +import org.springframework.beans.factory.annotation.Value; +import org.springframework.stereotype.Service; +import org.springframework.transaction.annotation.Transactional; + +@Service +@RequiredArgsConstructor +public class UrlService { + private static final char[] words = { + '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', + 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', + 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', + 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', + 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z' + }; + + private final UrlRepository urlRepository; + + @Value("${domain.prefix}") + private String prefix; + + @Transactional + public UrlResponse saveUrl(UrlRequest urlRequest) { + String orgUrl = urlRequest.orgUrl(); + Url url = new Url(orgUrl); + + Url savedUrl = urlRepository.save(url); + Long urlIndex = savedUrl.getId(); + String encoded = base62(urlIndex); + + savedUrl.setEncoded(encoded); + + String shortUrl = prefix + savedUrl.getEncoded(); + + return UrlResponse.of(shortUrl, savedUrl.getOriginalUrl()); + } + + @Transactional(readOnly = true) + public String redirectUrl(String encoded) { + Url url = urlRepository.findByEncoded(encoded) + .orElseThrow(() -> new RuntimeException("no such Url")); + + return url.getOriginalUrl(); + } + + private String base62(Long urlIndex) { + StringBuilder result = new StringBuilder(); + + while (urlIndex % 62 > 0 || result.equals("")) { // index가 62인 경우에도 적용되기 위해 do-while 형식이 되도록 구현 + result.append(words[urlIndex.intValue() % 62]); + urlIndex = urlIndex / 62; + } + + return result.toString(); + } +} diff --git a/short/src/main/resources/application.yml b/short/src/main/resources/application.yml new file mode 100644 index 00000000..8d9abf2d --- /dev/null +++ b/short/src/main/resources/application.yml @@ -0,0 +1,19 @@ +spring: + datasource: + driver-class-name: com.mysql.cj.jdbc.Driver + url: jdbc:mysql://localhost:3306/sample + username: sample + password: sample! + + jpa: + database: mysql + show-sql: true + open-in-view: false + hibernate: + ddl-auto: update + properties: + hibernate: + format_sql: true + +domain: + prefix: https://dev.choi/ \ No newline at end of file diff --git a/short/src/main/resources/static/index.html b/short/src/main/resources/static/index.html new file mode 100644 index 00000000..ff4dac57 --- /dev/null +++ b/short/src/main/resources/static/index.html @@ -0,0 +1,15 @@ + + + +
+
+

Short Url

+

Short Url Option

+

+ Create Short Url +

+
+
+ + + \ No newline at end of file diff --git a/short/src/main/resources/templates/short/createShortUrlForm.html b/short/src/main/resources/templates/short/createShortUrlForm.html new file mode 100644 index 00000000..cf23d2c6 --- /dev/null +++ b/short/src/main/resources/templates/short/createShortUrlForm.html @@ -0,0 +1,15 @@ + + + +
+
+
+ + +
+ +
+
+ + + \ No newline at end of file diff --git a/short/src/main/resources/templates/short/urlInfo.html b/short/src/main/resources/templates/short/urlInfo.html new file mode 100644 index 00000000..57c2ce9a --- /dev/null +++ b/short/src/main/resources/templates/short/urlInfo.html @@ -0,0 +1,23 @@ + + + +
+
+ + + + + + + + + + + + + +
단축 url원본 url
+
+
+ + \ No newline at end of file diff --git a/short/src/test/java/com/example/demo/ShortApplicationTests.java b/short/src/test/java/com/example/demo/ShortApplicationTests.java new file mode 100644 index 00000000..13659417 --- /dev/null +++ b/short/src/test/java/com/example/demo/ShortApplicationTests.java @@ -0,0 +1,13 @@ +package com.example.demo; + +import org.junit.jupiter.api.Test; +import org.springframework.boot.test.context.SpringBootTest; + +@SpringBootTest +class ShortApplicationTests { + + @Test + void contextLoads() { + } + +} diff --git a/short/src/test/java/com/example/demo/service/Base64Test.java b/short/src/test/java/com/example/demo/service/Base64Test.java new file mode 100644 index 00000000..64b51168 --- /dev/null +++ b/short/src/test/java/com/example/demo/service/Base64Test.java @@ -0,0 +1,53 @@ +package com.example.demo.service; + +import com.example.demo.dto.UrlRequest; +import com.example.demo.dto.UrlResponse; +import com.example.demo.entity.Url; +import com.example.demo.repository.UrlRepository; +import org.assertj.core.api.Assertions; +import org.junit.jupiter.api.DisplayName; +import org.junit.jupiter.api.Test; +import org.junit.jupiter.api.extension.ExtendWith; +import org.mockito.InjectMocks; +import org.mockito.Mock; +import org.mockito.junit.jupiter.MockitoExtension; +import org.springframework.beans.factory.annotation.Value; +import org.springframework.test.util.ReflectionTestUtils; + +import static org.mockito.Mockito.*; + +@ExtendWith(MockitoExtension.class) +public class Base64Test { + @InjectMocks + private UrlService urlService; + + @Mock + private UrlRepository urlRepository; + + @Value("${domain.prefix}") + private String prefix; + + @Test + @DisplayName("인덱스 넘버로 base64 인코딩에 의해 단축 url이 만들어진다.") + void base64() { + // given + String sampleUrl = "www.sample.com"; + UrlRequest urlRequest = new UrlRequest(sampleUrl); + + Long urlId = 70L; + String expectedEncoded = "81"; + String expectedShortUrl = prefix + expectedEncoded; + + Url url = new Url(sampleUrl); + ReflectionTestUtils.setField(url, "id", urlId); + + when(urlRepository.save(any())).thenReturn(url); + + // when + UrlResponse urlResponse = urlService.saveUrl(urlRequest); + String actualUrl = urlResponse.url(); + + // then + Assertions.assertThat(actualUrl).isEqualTo(expectedShortUrl); + } +} diff --git a/short/src/test/java/com/example/demo/service/UrlServiceTest.java b/short/src/test/java/com/example/demo/service/UrlServiceTest.java new file mode 100644 index 00000000..ae3992f7 --- /dev/null +++ b/short/src/test/java/com/example/demo/service/UrlServiceTest.java @@ -0,0 +1,57 @@ +package com.example.demo.service; + +import com.example.demo.dto.UrlRequest; +import com.example.demo.entity.Url; +import com.example.demo.repository.UrlRepository; +import org.junit.jupiter.api.DisplayName; +import org.junit.jupiter.api.Test; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.boot.test.context.SpringBootTest; +import org.springframework.transaction.annotation.Transactional; + +import java.util.List; +import java.util.concurrent.CountDownLatch; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; + +import static org.assertj.core.api.Assertions.*; + + +@SpringBootTest +class UrlServiceTest { + @Autowired + private UrlService urlService; + + @Autowired + private UrlRepository urlRepository; + + @Test + @Transactional + @DisplayName("동시에 여러 사용자가 단축 url을 만들어도, 겹치는 url이 만들어지지 않는다.") + void saveUrl() throws InterruptedException { + String sampleUrl = "www.sample.com"; + UrlRequest urlRequest = new UrlRequest(sampleUrl); + + int threadCount = 10; + + ExecutorService executorService = Executors.newFixedThreadPool(5); + + CountDownLatch latch = new CountDownLatch(threadCount); + + for (int i = 0; i < threadCount; i++) { + executorService.submit(() -> { + try { + urlService.saveUrl(urlRequest); + } finally { + latch.countDown(); + } + }); + } + + latch.await(); + + List urls = urlRepository.findAll(); + + assertThat(urls).extracting("encoded").doesNotHaveDuplicates(); + } +} \ No newline at end of file