Draft support for WebTestClient (#514)

* Draft support for WebTestClient
* Share some common code between MockMvc and WebTestClient
* Fix co-ordinates of server stubs
* Fix project names in Gradle

samples/standalone/webclient/http-server/.gitignore

@@ -0,0 +1,6 @@
+
+target/
+
+.gradle
+build/
+

samples/standalone/webclient/http-server/.mvn/jvm.config

@@ -0,0 +1 @@
+-Xmx1024m -XX:MaxPermSize=256m -Djava.awt.headless=true

samples/standalone/webclient/http-server/.mvn/maven.config

@@ -0,0 +1 @@
+-T2

samples/standalone/webclient/http-server/.mvn/wrapper/maven-wrapper.properties

@@ -0,0 +1 @@
+distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.3.9/apache-maven-3.3.9-bin.zip

samples/standalone/webclient/http-server/README.adoc

@@ -0,0 +1,20 @@
+= Http Server
+
+Run
+
+[source=groovy]
+--------
+./gradlew clean build publishToMavenLocal
+--------
+
+or
+
+--------
+./mvnw clean install
+--------
+
+To
+
+- build the app
+- generate and run Spring Cloud Contract Verifier tests
+- publish the fatJar and the stubs to Maven Local

samples/standalone/webclient/http-server/build.gradle

@@ -0,0 +1,104 @@
+buildscript {
+	repositories {
+		mavenCentral()
+		mavenLocal()
+		maven { url "http://repo.spring.io/snapshot" }
+		maven { url "http://repo.spring.io/milestone" }
+		maven { url "http://repo.spring.io/release" }
+		maven { url 'http://repo.spring.io/plugins-snapshot' }
+		maven { url "http://repo.spring.io/plugins-release-local" }
+		maven { url "http://repo.spring.io/plugins-staging-local/" }
+	}
+	dependencies {
+		classpath "org.springframework.boot:spring-boot-gradle-plugin:2.0.0.M6"
+	}
+}
+
+group = 'com.example'
+version = '0.0.1-SNAPSHOT'
+
+repositories {
+	mavenCentral()
+	mavenLocal()
+	maven { url "http://repo.spring.io/snapshot" }
+	maven { url "http://repo.spring.io/milestone" }
+	maven { url "http://repo.spring.io/release" }
+}
+
+apply plugin: 'groovy'
+apply plugin: 'org.springframework.boot'
+apply plugin: 'io.spring.dependency-management'
+apply plugin: 'maven-publish'
+apply plugin: 'maven'
+
+dependencyManagement {
+	imports {
+		mavenBom "org.springframework.cloud:spring-cloud-dependencies:$BOM_VERSION"
+		mavenBom "org.springframework.cloud:spring-cloud-contract-dependencies:${project.findProperty('verifierVersion') ?: verifierVersion}"
+	}
+}
+
+dependencies {
+	compile("org.springframework.boot:spring-boot-starter-web")
+	compile("org.springframework.boot:spring-boot-starter-actuator")
+
+	testCompile 'org.springframework.boot:spring-boot-starter-test'
+	testCompile 'org.springframework.restdocs:spring-restdocs-mockmvc'
+	testCompile 'org.springframework.cloud:spring-cloud-contract-wiremock'
+}
+
+test {
+	systemProperty 'spring.profiles.active', 'gradle'
+	testLogging {
+		exceptionFormat = 'full'
+	}
+}
+
+task wrapper(type: Wrapper) {
+    gradleVersion = '4.0.2'
+}
+
+task stubsJar(type: Jar, dependsOn: ['copySnippets', 'copySources', 'copyClasses']) {
+	baseName = project.name
+	classifier = 'stubs'
+	from project.file("${project.buildDir}/stubs")
+}
+
+artifacts {
+	archives stubsJar
+}
+
+task copySnippets(type: Copy, dependsOn: test) {
+	from "target/snippets/stubs"
+	into "${project.buildDir}/stubs/META-INF/${project.group}/${project.name}/${project.version}/mappings"
+}
+
+task copySources(type: Copy) {
+	from "src/main/java"
+	include '**/model/Fraud*.*'
+	into "${project.buildDir}/stubs/"
+}
+
+task copyClasses(type: Copy) {
+	from "${project.buildDir}/classes/main/"
+	include '**/model/Fraud*.*'
+	into "${project.buildDir}/stubs/"
+}
+
+clean.doFirst {
+	delete 'target/snippets/stubs'
+	delete "~/.m2/repository/com/example/http-server-restdocs-gradle"
+}
+
+task resolveDependencies {
+	doLast {
+		project.rootProject.allprojects.each { subProject ->
+			subProject.buildscript.configurations.each { configuration ->
+				configuration.resolve()
+			}
+			subProject.configurations.each { configuration ->
+				configuration.resolve()
+			}
+		}
+	}
+}

samples/standalone/webclient/http-server/gradle.properties

@@ -0,0 +1,3 @@
+org.gradle.daemon=false
+verifierVersion=2.0.0.BUILD-SNAPSHOT
+BOM_VERSION=Finchley.BUILD-SNAPSHOT

samples/standalone/webclient/http-server/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Mon Jul 31 11:13:36 CEST 2017
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.0.2-bin.zip

samples/standalone/webclient/http-server/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 "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn ( ) {
+    echo "$*"
+}
+
+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" "$@"

samples/standalone/webclient/http-server/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=
+
+@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

samples/standalone/webclient/http-server/mvnw

@@ -0,0 +1,234 @@
+#!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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
+#
+#    http://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.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Maven2 Start Up Batch script
+#
+# Required ENV vars:
+# ------------------
+#   JAVA_HOME - location of a JDK home dir
+#
+# Optional ENV vars
+# -----------------
+#   M2_HOME - location of maven2's installed home dir
+#   MAVEN_OPTS - parameters passed to the Java VM when running Maven
+#     e.g. to debug Maven itself, use
+#       set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+#   MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+# ----------------------------------------------------------------------------
+
+if [ -z "$MAVEN_SKIP_RC" ] ; then
+
+  if [ -f /etc/mavenrc ] ; then
+    . /etc/mavenrc
+  fi
+
+  if [ -f "$HOME/.mavenrc" ] ; then
+    . "$HOME/.mavenrc"
+  fi
+
+fi
+
+# OS specific support.  $var _must_ be set to either true or false.
+cygwin=false;
+darwin=false;
+mingw=false
+case "`uname`" in
+  CYGWIN*) cygwin=true ;;
+  MINGW*) mingw=true;;
+  Darwin*) darwin=true
+           #
+           # Look for the Apple JDKs first to preserve the existing behaviour, and then look
+           # for the new JDKs provided by Oracle.
+           # 
+           if [ -z "$JAVA_HOME" ] && [ -L /System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK ] ; then
+             #
+             # Apple JDKs
+             #
+             export JAVA_HOME=/System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK/Home
+           fi
+           
+           if [ -z "$JAVA_HOME" ] && [ -L /System/Library/Java/JavaVirtualMachines/CurrentJDK ] ; then
+             #
+             # Apple JDKs
+             #
+             export JAVA_HOME=/System/Library/Java/JavaVirtualMachines/CurrentJDK/Contents/Home
+           fi
+             
+           if [ -z "$JAVA_HOME" ] && [ -L "/Library/Java/JavaVirtualMachines/CurrentJDK" ] ; then
+             #
+             # Oracle JDKs
+             #
+             export JAVA_HOME=/Library/Java/JavaVirtualMachines/CurrentJDK/Contents/Home
+           fi           
+
+           if [ -z "$JAVA_HOME" ] && [ -x "/usr/libexec/java_home" ]; then
+             #
+             # Apple JDKs
+             #
+             export JAVA_HOME=`/usr/libexec/java_home`
+           fi
+           ;;
+esac
+
+if [ -z "$JAVA_HOME" ] ; then
+  if [ -r /etc/gentoo-release ] ; then
+    JAVA_HOME=`java-config --jre-home`
+  fi
+fi
+
+if [ -z "$M2_HOME" ] ; then
+  ## resolve links - $0 may be a link to maven's home
+  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"`/$link"
+    fi
+  done
+
+  saveddir=`pwd`
+
+  M2_HOME=`dirname "$PRG"`/..
+
+  # make it fully qualified
+  M2_HOME=`cd "$M2_HOME" && pwd`
+
+  cd "$saveddir"
+  # echo Using m2 at $M2_HOME
+fi
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched
+if $cygwin ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --unix "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
+fi
+
+# For Migwn, ensure paths are in UNIX format before anything is touched
+if $mingw ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME="`(cd "$M2_HOME"; pwd)`"
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
+  # TODO classpath?
+fi
+
+if [ -z "$JAVA_HOME" ]; then
+  javaExecutable="`which javac`"
+  if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
+    # readlink(1) is not available as standard on Solaris 10.
+    readLink=`which readlink`
+    if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
+      if $darwin ; then
+        javaHome="`dirname \"$javaExecutable\"`"
+        javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
+      else
+        javaExecutable="`readlink -f \"$javaExecutable\"`"
+      fi
+      javaHome="`dirname \"$javaExecutable\"`"
+      javaHome=`expr "$javaHome" : '\(.*\)/bin'`
+      JAVA_HOME="$javaHome"
+      export JAVA_HOME
+    fi
+  fi
+fi
+
+if [ -z "$JAVACMD" ] ; then
+  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
+  else
+    JAVACMD="`which java`"
+  fi
+fi
+
+if [ ! -x "$JAVACMD" ] ; then
+  echo "Error: JAVA_HOME is not defined correctly." >&2
+  echo "  We cannot execute $JAVACMD" >&2
+  exit 1
+fi
+
+if [ -z "$JAVA_HOME" ] ; then
+  echo "Warning: JAVA_HOME environment variable is not set."
+fi
+
+CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --path --windows "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
+fi
+
+# traverses directory structure from process work directory to filesystem root
+# first directory with .mvn subdirectory is considered project base directory
+find_maven_basedir() {
+  local basedir=$(pwd)
+  local wdir=$(pwd)
+  while [ "$wdir" != '/' ] ; do
+    if [ -d "$wdir"/.mvn ] ; then
+      basedir=$wdir
+      break
+    fi
+    wdir=$(cd "$wdir/.."; pwd)
+  done
+  echo "${basedir}"
+}
+
+# concatenates all lines of a file
+concat_lines() {
+  if [ -f "$1" ]; then
+    echo "$(tr -s '\n' ' ' < "$1")"
+  fi
+}
+
+export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-$(find_maven_basedir)}
+MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
+
+# Provide a "standardized" way to retrieve the CLI args that will 
+# work with both Windows and non-Windows executions.
+MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@"
+export MAVEN_CMD_LINE_ARGS
+
+WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+exec "$JAVACMD" \
+  $MAVEN_OPTS \
+  -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
+  "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+  ${WRAPPER_LAUNCHER} $MAVEN_CMD_LINE_ARGS
+

samples/standalone/webclient/http-server/mvnw.cmd

@@ -0,0 +1,145 @@
+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements.  See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership.  The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License.  You may obtain a copy of the License at
+@REM
+@REM    http://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Maven2 Start Up Batch script
+@REM
+@REM Required ENV vars:
+@REM JAVA_HOME - location of a JDK home dir
+@REM
+@REM Optional ENV vars
+@REM M2_HOME - location of maven2's installed home dir
+@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a key stroke before ending
+@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
+@REM     e.g. to debug Maven itself, use
+@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+@REM ----------------------------------------------------------------------------
+
+@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
+@echo off
+@REM enable echoing my setting MAVEN_BATCH_ECHO to 'on'
+@if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%
+
+@REM set %HOME% to equivalent of $HOME
+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
+
+@REM Execute a user defined script before this one
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
+@REM check for pre script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat"
+if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd"
+:skipRcPre
+
+@setlocal
+
+set ERROR_CODE=0
+
+@REM To isolate internal variables from possible post scripts, we use another setlocal
+@setlocal
+
+@REM ==== START VALIDATION ====
+if not "%JAVA_HOME%" == "" goto OkJHome
+
+echo.
+echo Error: JAVA_HOME not found in your environment. >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+:OkJHome
+if exist "%JAVA_HOME%\bin\java.exe" goto init
+
+echo.
+echo Error: JAVA_HOME is set to an invalid directory. >&2
+echo JAVA_HOME = "%JAVA_HOME%" >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+@REM ==== END VALIDATION ====
+
+:init
+
+set MAVEN_CMD_LINE_ARGS=%MAVEN_CONFIG% %*
+
+@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
+@REM Fallback to current working directory if not found.
+
+set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
+IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
+
+set EXEC_DIR=%CD%
+set WDIR=%EXEC_DIR%
+:findBaseDir
+IF EXIST "%WDIR%"\.mvn goto baseDirFound
+cd ..
+IF "%WDIR%"=="%CD%" goto baseDirNotFound
+set WDIR=%CD%
+goto findBaseDir
+
+:baseDirFound
+set MAVEN_PROJECTBASEDIR=%WDIR%
+cd "%EXEC_DIR%"
+goto endDetectBaseDir
+
+:baseDirNotFound
+set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
+cd "%EXEC_DIR%"
+
+:endDetectBaseDir
+
+IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
+
+@setlocal EnableExtensions EnableDelayedExpansion
+for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
+@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
+
+:endReadAdditionalConfig
+
+SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
+
+set WRAPPER_JAR=""%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar""
+set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CMD_LINE_ARGS%
+if ERRORLEVEL 1 goto error
+goto end
+
+:error
+set ERROR_CODE=1
+
+:end
+@endlocal & set ERROR_CODE=%ERROR_CODE%
+
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost
+@REM check for post script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat"
+if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd"
+:skipRcPost
+
+@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
+if "%MAVEN_BATCH_PAUSE%" == "on" pause
+
+if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE%
+
+exit /B %ERROR_CODE%

samples/standalone/webclient/http-server/pom.xml

@@ -0,0 +1,232 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+
+	<groupId>com.example</groupId>
+	<artifactId>http-server-webclient</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+
+	<name>Spring Cloud Contract RestDocs Http Server Sample</name>
+	<description>Spring Cloud RestDocs Verifier Http Server Sample</description>
+
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>2.0.0.BUILD-SNAPSHOT</version>
+		<relativePath />
+	</parent>
+
+	<properties>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<java.version>1.8</java.version>
+		<spring-cloud-contract.version>2.0.0.BUILD-SNAPSHOT</spring-cloud-contract.version>
+	</properties>
+
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-webflux</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-actuator</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.restdocs</groupId>
+			<artifactId>spring-restdocs-webtestclient</artifactId>
+			<scope>test</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.cloud</groupId>
+			<artifactId>spring-cloud-contract-wiremock</artifactId>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+
+	<dependencyManagement>
+		<dependencies>
+			<dependency>
+				<groupId>org.springframework.cloud</groupId>
+				<artifactId>spring-cloud-contract-dependencies</artifactId>
+				<version>${spring-cloud-contract.version}</version>
+				<type>pom</type>
+				<scope>import</scope>
+			</dependency>
+		</dependencies>
+	</dependencyManagement>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+			<plugin>
+				<artifactId>maven-deploy-plugin</artifactId>
+				<configuration>
+					<skip>true</skip>
+				</configuration>
+			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-clean-plugin</artifactId>
+				<configuration>
+					<filesets>
+						<fileset>
+							<directory>build</directory>
+						</fileset>
+						<fileset>
+							<directory>target</directory>
+						</fileset>
+					</filesets>
+				</configuration>
+			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-assembly-plugin</artifactId>
+				<executions>
+					<execution>
+						<id>stub</id>
+						<phase>prepare-package</phase>
+						<goals>
+							<goal>single</goal>
+						</goals>
+						<inherited>false</inherited>
+						<configuration>
+							<attach>true</attach>
+							<descriptors>
+								<descriptor>${basedir}/src/assembly/stub.xml</descriptor>
+							</descriptors>
+						</configuration>
+					</execution>
+				</executions>
+			</plugin>
+		</plugins>
+	</build>
+
+	<repositories>
+		<repository>
+			<id>spring-snapshots</id>
+			<name>Spring Snapshots</name>
+			<url>https://repo.spring.io/snapshot</url>
+			<snapshots>
+				<enabled>true</enabled>
+			</snapshots>
+		</repository>
+		<repository>
+			<id>spring-milestones</id>
+			<name>Spring Milestones</name>
+			<url>https://repo.spring.io/milestone</url>
+			<snapshots>
+				<enabled>false</enabled>
+			</snapshots>
+		</repository>
+		<repository>
+			<id>spring-releases</id>
+			<name>Spring Releases</name>
+			<url>https://repo.spring.io/release</url>
+			<snapshots>
+				<enabled>false</enabled>
+			</snapshots>
+		</repository>
+	</repositories>
+	<pluginRepositories>
+		<pluginRepository>
+			<id>spring-snapshots</id>
+			<name>Spring Snapshots</name>
+			<url>https://repo.spring.io/snapshot</url>
+			<snapshots>
+				<enabled>true</enabled>
+			</snapshots>
+		</pluginRepository>
+		<pluginRepository>
+			<id>spring-milestones</id>
+			<name>Spring Milestones</name>
+			<url>https://repo.spring.io/milestone</url>
+			<snapshots>
+				<enabled>false</enabled>
+			</snapshots>
+		</pluginRepository>
+		<pluginRepository>
+			<id>spring-releases</id>
+			<name>Spring Releases</name>
+			<url>https://repo.spring.io/release</url>
+			<snapshots>
+				<enabled>false</enabled>
+			</snapshots>
+		</pluginRepository>
+	</pluginRepositories>
+
+	<profiles>
+		<profile>
+			<id>integration</id>
+			<build>
+				<plugins>
+					<plugin>
+						<groupId>org.codehaus.mojo</groupId>
+						<artifactId>exec-maven-plugin</artifactId>
+						<version>1.6.0</version>
+						<executions>
+							<execution>
+								<id>gradle</id>
+								<phase>test</phase>
+								<configuration>
+									<executable>./gradlew</executable>
+									<arguments>
+										<argument>clean</argument>
+										<argument>build</argument>
+										<!-- For some reason publishToMavenLocal doesn't work... Please don't troll Gradle ;)-->
+										<argument>install</argument>
+										<argument>-PverifierVersion=${spring-cloud-contract.version}</argument>
+									</arguments>
+								</configuration>
+								<goals>
+									<goal>exec</goal>
+								</goals>
+							</execution>
+						</executions>
+					</plugin>
+				</plugins>
+			</build>
+		</profile>
+		<profile>
+			<id>windows</id>
+			<build>
+				<plugins>
+					<plugin>
+						<groupId>org.codehaus.mojo</groupId>
+						<artifactId>exec-maven-plugin</artifactId>
+						<version>1.6.0</version>
+						<executions>
+							<execution>
+								<id>gradle</id>
+								<phase>test</phase>
+								<configuration>
+									<executable>gradlew.bat</executable>
+									<arguments>
+										<argument>clean</argument>
+										<argument>build</argument>
+										<!-- For some reason publishToMavenLocal doesn't work... Please don't troll Gradle ;)-->
+										<argument>install</argument>
+										<argument>-PverifierVersion=${spring-cloud-contract.version}</argument>
+									</arguments>
+								</configuration>
+								<goals>
+									<goal>exec</goal>
+								</goals>
+							</execution>
+						</executions>
+					</plugin>
+				</plugins>
+			</build>
+		</profile>
+	</profiles>
+</project>

samples/standalone/webclient/http-server/settings.gradle

@@ -0,0 +1 @@
+rootProject.name = 'http-server-webclient-gradle'

samples/standalone/webclient/http-server/src/assembly/stub.xml

@@ -0,0 +1,33 @@
+<assembly
+	xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.3"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.3 http://maven.apache.org/xsd/assembly-1.1.3.xsd">
+	<id>stubs</id>
+	<formats>
+		<format>jar</format>
+	</formats>
+	<includeBaseDirectory>false</includeBaseDirectory>
+	<fileSets>
+		<fileSet>
+			<directory>src/main/java</directory>
+			<outputDirectory>/</outputDirectory>
+			<includes>
+				<include>**/model/Fraud*.*</include>
+			</includes>
+		</fileSet>
+		<fileSet>
+			<directory>${project.build.directory}/classes</directory>
+			<outputDirectory>/</outputDirectory>
+			<includes>
+				<include>**/model/Fraud*.*</include>
+			</includes>
+		</fileSet>
+		<fileSet>
+			<directory>${project.build.directory}/snippets/stubs</directory>
+			<outputDirectory>META-INF/${project.groupId}/${project.artifactId}/${project.version}/mappings</outputDirectory>
+			<includes>
+				<include>**/*</include>
+			</includes>
+		</fileSet>
+	</fileSets>
+</assembly>

samples/standalone/webclient/http-server/src/main/java/com/example/fraud/Application.java

@@ -0,0 +1,17 @@
+package com.example.fraud;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+@EnableAutoConfiguration
+@ComponentScan
+public class Application {
+
+	public static void main(String[] args) {
+		SpringApplication.run(Application.class, args);
+	}
+
+}

samples/standalone/webclient/http-server/src/main/java/com/example/fraud/FraudDetectionController.java

@@ -0,0 +1,45 @@
+package com.example.fraud;
+
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import com.example.fraud.model.FraudCheck;
+import com.example.fraud.model.FraudCheckResult;
+import com.example.fraud.model.FraudCheckStatus;
+
+import java.math.BigDecimal;
+
+import static org.springframework.web.bind.annotation.RequestMethod.PUT;
+
+@RestController
+public class FraudDetectionController {
+
+	private static final String FRAUD_SERVICE_JSON_VERSION_1 = "application/vnd.fraud.v1+json";
+	private static final String NO_REASON = null;
+	private static final String AMOUNT_TOO_HIGH = "Amount too high";
+	private static final BigDecimal MAX_AMOUNT = new BigDecimal("5000");
+
+	// tag::server_api[]
+	@RequestMapping(
+			value = "/fraudcheck",
+			method = PUT,
+			consumes = FRAUD_SERVICE_JSON_VERSION_1,
+			produces = FRAUD_SERVICE_JSON_VERSION_1)
+	public FraudCheckResult fraudCheck(@RequestBody FraudCheck fraudCheck) {
+	// end::server_api[]
+		// tag::new_impl[]
+		if (amountGreaterThanThreshold(fraudCheck)) {
+			return new FraudCheckResult(FraudCheckStatus.FRAUD, AMOUNT_TOO_HIGH);
+		}
+		// end::new_impl[]
+		// tag::initial_impl[]
+		return new FraudCheckResult(FraudCheckStatus.OK, NO_REASON);
+		// end::initial_impl[]
+	}
+
+	private boolean amountGreaterThanThreshold(FraudCheck fraudCheck) {
+		return MAX_AMOUNT.compareTo(fraudCheck.getLoanAmount()) < 0;
+	}
+
+}

samples/standalone/webclient/http-server/src/main/java/com/example/fraud/model/FraudCheck.java

@@ -0,0 +1,29 @@
+package com.example.fraud.model;
+
+import java.math.BigDecimal;
+
+public class FraudCheck {
+
+	private String clientId;
+
+	private BigDecimal loanAmount;
+
+	public FraudCheck() {
+	}
+
+	public String getClientId() {
+		return clientId;
+	}
+
+	public void setClientId(String clientId) {
+		this.clientId = clientId;
+	}
+
+	public BigDecimal getLoanAmount() {
+		return loanAmount;
+	}
+
+	public void setLoanAmount(BigDecimal loanAmount) {
+		this.loanAmount = loanAmount;
+	}
+}

samples/standalone/webclient/http-server/src/main/java/com/example/fraud/model/FraudCheckResult.java

@@ -0,0 +1,32 @@
+package com.example.fraud.model;
+
+public class FraudCheckResult {
+
+	private FraudCheckStatus fraudCheckStatus;
+
+	private String rejectionReason;
+
+	public FraudCheckResult() {
+	}
+
+	public FraudCheckResult(FraudCheckStatus fraudCheckStatus, String rejectionReason) {
+		this.fraudCheckStatus = fraudCheckStatus;
+		this.rejectionReason = rejectionReason;
+	}
+
+	public FraudCheckStatus getFraudCheckStatus() {
+		return fraudCheckStatus;
+	}
+
+	public void setFraudCheckStatus(FraudCheckStatus fraudCheckStatus) {
+		this.fraudCheckStatus = fraudCheckStatus;
+	}
+
+	public String getRejectionReason() {
+		return rejectionReason;
+	}
+
+	public void setRejectionReason(String rejectionReason) {
+		this.rejectionReason = rejectionReason;
+	}
+}

samples/standalone/webclient/http-server/src/main/java/com/example/fraud/model/FraudCheckStatus.java

@@ -0,0 +1,5 @@
+package com.example.fraud.model;
+
+public enum FraudCheckStatus {
+	OK, FRAUD
+}

samples/standalone/webclient/http-server/src/main/resources/application.yml

@@ -0,0 +1 @@
+server.port=0

samples/standalone/webclient/http-server/src/test/java/com/example/fraud/StubGeneratorTests.java

@@ -0,0 +1,78 @@
+package com.example.fraud;
+
+import java.math.BigDecimal;
+
+import com.example.fraud.model.FraudCheck;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.json.AutoConfigureJsonTesters;
+import org.springframework.boot.test.autoconfigure.restdocs.AutoConfigureRestDocs;
+import org.springframework.boot.test.autoconfigure.web.reactive.AutoConfigureWebTestClient;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.json.JacksonTester;
+import org.springframework.http.MediaType;
+import org.springframework.test.annotation.DirtiesContext;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.test.web.reactive.server.WebTestClient;
+import org.springframework.web.reactive.function.BodyInserters;
+
+import static org.springframework.cloud.contract.wiremock.restdocs.WireMockWebTestClient.verify;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = Application.class)
+@AutoConfigureRestDocs(outputDir = "target/snippets")
+@AutoConfigureWebTestClient
+@AutoConfigureJsonTesters
+@DirtiesContext
+public class StubGeneratorTests {
+
+	@Autowired
+	private WebTestClient client;
+
+	private JacksonTester<FraudCheck> json;
+
+	@Before
+	public void setup() {
+		ObjectMapper objectMappper = new ObjectMapper();
+		// Possibly configure the mapper
+		JacksonTester.initFields(this, objectMappper);
+	}
+
+	@Test
+	public void shouldMarkClientAsFraud() throws Exception {
+		FraudCheck fraudCheck = new FraudCheck();
+		fraudCheck.setClientId("1234567890");
+		fraudCheck.setLoanAmount(BigDecimal.valueOf(99999.0));
+		client.put().uri("/fraudcheck")
+				.contentType(MediaType.valueOf("application/vnd.fraud.v1+json"))
+				.body(BodyInserters.fromObject(json.write(fraudCheck).getJson()))
+				.exchange().expectBody().jsonPath("$.fraudCheckStatus").isEqualTo("FRAUD")
+				.jsonPath("$.rejectionReason").isEqualTo("Amount too high")
+				.consumeWith(verify().jsonPath("$.clientId")
+						.jsonPath("$[?(@.loanAmount > 1000)]")
+						.contentType(MediaType.valueOf("application/vnd.fraud.v1+json"))
+						.stub("markClientAsFraud"));
+	}
+
+	@Test
+	public void shouldMarkClientAsNotFraud() throws Exception {
+		FraudCheck fraudCheck = new FraudCheck();
+		fraudCheck.setClientId("1234567890");
+		fraudCheck.setLoanAmount(BigDecimal.valueOf(123.123));
+		client.put().uri("/fraudcheck")
+				.contentType(MediaType.valueOf("application/vnd.fraud.v1+json"))
+				.body(BodyInserters.fromObject(json.write(fraudCheck).getJson()))
+				.exchange().expectBody().jsonPath("$.fraudCheckStatus").isEqualTo("OK")
+				.jsonPath("$.rejectionReason").doesNotExist()
+				.consumeWith(verify().jsonPath("$.clientId")
+						.jsonPath("$[?(@.loanAmount <= 1000)]")
+						.contentType(MediaType.valueOf("application/vnd.fraud.v1+json"))
+						.stub("markClientAsNotFraud"));
+	}
+
+}