pagination example

pact/pact-feign-consumer/src/test/java/io/reflectoring/UserServiceConsumerTest.java

@@ -11,6 +11,8 @@ import org.junit.jupiter.api.extension.ExtendWith;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.test.context.junit.jupiter.SpringExtension;
+import org.springframework.web.client.RestTemplate;
+
 import static org.assertj.core.api.Assertions.*;
 
 @ExtendWith(PactConsumerTestExt.class)
@@ -25,8 +27,13 @@ class UserServiceConsumerTest {
 	@Autowired
 	private UserClient userClient;
 
+	@Autowired
+	private RestTemplate restTemplate;
+
 	@Pact(state = "provider accepts a new person", provider = "userservice", consumer = "userclient")
 	RequestResponsePact createPersonPact(PactDslWithProvider builder) {
+
+		restTemplate.postForEntity("http://...", );
 		// @formatter:off
 		return builder
 						.given("provider accepts a new person")

settings.gradle

@@ -1,5 +1,6 @@
 include 'spring-data:spring-data-rest-associations'
 include 'spring-data:spring-data-rest-springfox'
+include 'spring-data:spring-data-jdbc'
 
 include 'spring-cloud:feign-with-spring-data-rest'
 include 'spring-cloud:sleuth-downstream-service'

spring-boot/pagination/.gitignore

@@ -0,0 +1,30 @@
+HELP.md
+.gradle
+/build/
+!gradle/wrapper/gradle-wrapper.jar
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+/out/
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+
+### VS Code ###
+.vscode/

spring-boot/pagination/build.gradle

@@ -0,0 +1,30 @@
+plugins {
+	id 'org.springframework.boot' version '2.1.3.RELEASE'
+	id 'java'
+}
+
+apply plugin: 'io.spring.dependency-management'
+
+group = 'io.reflectoring'
+version = '0.0.1-SNAPSHOT'
+sourceCompatibility = '11'
+
+repositories {
+	mavenCentral()
+}
+
+dependencies {
+	implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
+	implementation 'org.springframework.boot:spring-boot-starter-web'
+	compileOnly 'org.projectlombok:lombok'
+	annotationProcessor 'org.projectlombok:lombok'
+	runtimeOnly 'com.h2database:h2'
+	testImplementation('org.junit.jupiter:junit-jupiter:5.4.0')
+	testImplementation('org.springframework.boot:spring-boot-starter-test'){
+		exclude group: 'org.junit', module: 'junit'
+	}
+}
+
+test {
+	useJUnitPlatform()
+}

spring-boot/pagination/gradlew

@@ -0,0 +1,172 @@
+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$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" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=$(save "$@")
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"

spring-boot/pagination/gradlew.bat

@@ -0,0 +1,84 @@
+@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 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"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+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 init
+
+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
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+: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 %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="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!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

spring-boot/pagination/settings.gradle

@@ -0,0 +1,6 @@
+pluginManagement {
+	repositories {
+		gradlePluginPortal()
+	}
+}
+rootProject.name = 'pagination'

spring-boot/pagination/src/main/java/io/reflectoring/pagination/Character.java

@@ -0,0 +1,19 @@
+package io.reflectoring.pagination;
+
+import lombok.Data;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+@Entity
+@Data
+class Character {
+
+  @Id
+  @GeneratedValue
+  private Long id;
+  private String name;
+  private String movie;
+
+}

spring-boot/pagination/src/main/java/io/reflectoring/pagination/CharacterRepository.java

@@ -0,0 +1,12 @@
+package io.reflectoring.pagination;
+
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.repository.CrudRepository;
+
+import java.util.List;
+
+interface CharacterRepository extends CrudRepository<Character, Long> {
+
+  List<Character> findAll(Pageable pageable);
+
+}

spring-boot/pagination/src/main/java/io/reflectoring/pagination/PaginatedController.java

@@ -0,0 +1,20 @@
+package io.reflectoring.pagination;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Pageable;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+@RestController
+@RequiredArgsConstructor
+class PaginatedController {
+
+  private final CharacterRepository characterRepository;
+
+  @GetMapping(path = "/characters")
+  List<Character> loadCharacters(Pageable pageable) {
+    return characterRepository.findAll(pageable);
+  }
+}

spring-boot/pagination/src/main/java/io/reflectoring/pagination/PaginationApplication.java

@@ -0,0 +1,13 @@
+package io.reflectoring.pagination;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class PaginationApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(PaginationApplication.class, args);
+	}
+
+}

spring-boot/pagination/src/main/resources/application.properties

@@ -0,0 +1 @@
+

spring-boot/pagination/src/test/java/io/reflectoring/pagination/PaginatedControllerTest.java

@@ -0,0 +1,47 @@
+package io.reflectoring.pagination;
+
+import org.junit.jupiter.api.Test;
+import org.mockito.ArgumentCaptor;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.domain.Sort;
+import org.springframework.test.web.servlet.MockMvc;
+
+import static org.assertj.core.api.AssertionsForInterfaceTypes.*;
+import static org.mockito.Mockito.*;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
+
+@WebMvcTest(controllers = PaginatedController.class)
+class PaginatedControllerTest {
+
+  @MockBean
+  private CharacterRepository characterRepository;
+
+  @Autowired
+  private MockMvc mockMvc;
+
+  @Test
+  void paginationParametersAreEvaluated() throws Exception {
+
+    mockMvc.perform(get("/characters")
+            .param("page", "5")
+            .param("size", "10")
+            .param("sort", "id,desc") // <-- no space after comma!!!
+            .param("sort", "name,asc")) // <-- no space after comma!!!
+            .andExpect(status().isOk());
+
+    ArgumentCaptor<Pageable> pageableCaptor = ArgumentCaptor.forClass(Pageable.class);
+    verify(characterRepository).findAll(pageableCaptor.capture());
+    PageRequest pageable = (PageRequest) pageableCaptor.getValue();
+    assertThat(pageable.getPageNumber()).isEqualTo(5);
+    assertThat(pageable.getPageSize()).isEqualTo(10);
+    assertThat(pageable.getSort().getOrderFor("name").getDirection()).isEqualTo(Sort.Direction.ASC);
+    assertThat(pageable.getSort().getOrderFor("id").getDirection()).isEqualTo(Sort.Direction.DESC);
+
+  }
+
+}

spring-boot/pagination/src/test/java/io/reflectoring/pagination/PaginationApplicationTests.java

@@ -0,0 +1,16 @@
+package io.reflectoring.pagination;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class PaginationApplicationTests {
+
+	@Test
+	public void contextLoads() {
+	}
+
+}

spring-boot/spring-boot-testing/application.yml

@@ -2,4 +2,5 @@ spring.main.allow-bean-definition-overriding: true
 spring.jpa.hibernate.ddl-auto: create-drop
 spring.liquibase.enabled: false
 spring.flyway.enabled: false
-io.reflectoring.scheduling.enabled: false
+io.reflectoring.scheduling.enabled: false
+logging.level.org.hibernate.SQL: DEBUG

spring-boot/spring-boot-testing/src/main/java/io/reflectoring/customer/data/Customer.java

@@ -3,6 +3,7 @@ package io.reflectoring.customer.data;
 import javax.persistence.Entity;
 import javax.persistence.GeneratedValue;
 import javax.persistence.Id;
+import javax.persistence.Version;
 
 import lombok.*;
 
@@ -13,9 +14,12 @@ import lombok.*;
 @AllArgsConstructor
 public class Customer {
 
-  @Id
+	@Id
-  @GeneratedValue
+	@GeneratedValue
-  private Long id;
+	private Long id;
 
-  private String name;
+	@Version
+	private Long version;
+
+	private String name;
 }

spring-boot/spring-boot-testing/src/test/java/io/reflectoring/customer/data/CustomerModuleDataLayerTests.java

@@ -21,4 +21,11 @@ class CustomerModuleDataLayerTests {
     assertThat(bookingRepository).isNull();
   }
 
+  @Test
+  void versionTest(){
+    Customer hans = new Customer();
+    hans.setName("Hans");
+    customerRepository.save(hans);
+  }
+
 }