Initial import

Signed-off-by: Paul Campbell <pcampbell@kemitix.net>

.gitignore

@@ -10,3 +10,4 @@
 
 # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
 hs_err_pid*
+/target

pom.xml

@@ -0,0 +1,105 @@
+<?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>net.kemitix</groupId>
+    <artifactId>wiser-assertions</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <packaging>jar</packaging>
+
+    <name>wiser-assertions</name>
+    <description>Assertions for Wiser SMTP test server from subethamail</description>
+
+    <url>https://github.com/kemitix/wiser-assertions</url>
+
+    <developers>
+        <developer>
+            <name>Paul Campbell</name>
+            <email>pcampbell@kemitix.net</email>
+            <organization>Kemitix</organization>
+            <organizationUrl>https://github.com/kemitix/</organizationUrl>
+        </developer>
+    </developers>
+
+    <licenses>
+        <license>
+            <name>MIT License</name>
+            <url>http://www.opensource.org/licenses/mit-license.php</url>
+        </license>
+    </licenses>
+
+    <inceptionYear>2015</inceptionYear>
+
+    <prerequisites>
+        <maven>3.0.4</maven>
+    </prerequisites>
+
+    <issueManagement>
+        <url>https://github.com/kemitix/wiser-assertions/issues</url>
+        <system>GitHub Issues</system>
+    </issueManagement>
+
+    <scm>
+        <connection>scm:git:git@github.com:kemitix/wiser-assertions.git</connection>
+        <developerConnection>scm:git:git@github.com:kemitix/wiser-assertions.git</developerConnection>
+        <url>git@github.com:kemitix/wiser-assertions.git</url>
+    </scm>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+    </properties>
+
+    <parent>
+        <groupId>org.sonatype.oss</groupId>
+        <artifactId>oss-parent</artifactId>
+        <version>9</version>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>javax.mail</groupId>
+            <artifactId>mail</artifactId>
+            <version>1.4.4</version>
+        </dependency>
+        <dependency>
+            <groupId>org.subethamail</groupId>
+            <artifactId>subethasmtp</artifactId>
+            <version>3.1.7</version>
+        </dependency>
+    </dependencies>
+
+    <profiles>
+        <profile>
+            <id>release-sign-artifacts</id>
+            <activation>
+                <property>
+                    <name>performRelease</name>
+                    <value>true</value>
+                </property>
+            </activation>
+            <build>
+                <plugins>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-gpg-plugin</artifactId>
+                        <version>1.6</version>
+                        <configuration>
+                            <passphrase>${gpg.passphrase}</passphrase>
+                        </configuration>
+                        <executions>
+                            <execution>
+                                <id>sign-artifacts</id>
+                                <phase>verify</phase>
+                                <goals>
+                                    <goal>sign</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
+    </profiles>
+
+</project>

src/main/java/net/kemitix/wiser/assertions/WiserAssertions.java

@@ -0,0 +1,98 @@
+package net.kemitix.wiser.assertions;
+
+import java.text.MessageFormat;
+import java.util.List;
+import java.util.function.Predicate;
+import java.util.function.Supplier;
+import javax.mail.internet.MimeMessage;
+import org.subethamail.wiser.Wiser;
+import org.subethamail.wiser.WiserMessage;
+
+/**
+ * Taken from the WiserAssetions class from Rafal Browiec at
+ * http://blog.codeleak.pl/2014/09/testing-mail-code-in-spring-boot.html
+ */
+public class WiserAssertions {
+
+    private final List<WiserMessage> messages;
+
+    public static WiserAssertions assertReceivedMessage(Wiser wiser) {
+        return new WiserAssertions(wiser.getMessages());
+    }
+
+    private WiserAssertions(List<WiserMessage> messages) {
+        this.messages = messages;
+    }
+
+    public WiserAssertions from(String from) {
+        findFirstOrElseThrow(m -> m.getEnvelopeSender().equals(from),
+                assertionError("No message from [{0}] found!", from));
+        return this;
+    }
+
+    public WiserAssertions to(String to) {
+        findFirstOrElseThrow(m -> m.getEnvelopeReceiver().equals(to),
+                assertionError("No message to [{0}] found!", to));
+        return this;
+    }
+
+    public WiserAssertions withSubject(String subject) {
+        Predicate<WiserMessage> predicate = m -> subject.equals(unchecked(getMimeMessage(m)::getSubject));
+        findFirstOrElseThrow(predicate,
+                assertionError("No message with subject [{0}] found!", subject));
+        return this;
+    }
+
+    public WiserAssertions withSubjectContains(String subject) {
+        Predicate<WiserMessage> predicate = m -> unchecked(getMimeMessage(m)::getSubject).contains(subject);
+        findFirstOrElseThrow(predicate,
+                assertionError("No message with subject [{0}] found!", subject));
+        return this;
+    }
+
+    public WiserAssertions withContent(String content) {
+        findFirstOrElseThrow(m -> {
+            ThrowingSupplier<String> contentAsString
+                    = () -> ((String) getMimeMessage(m).getContent()).trim();
+            return content.equals(unchecked(contentAsString));
+        }, assertionError("No message with content [{0}] found!", content));
+        return this;
+    }
+
+    public WiserAssertions withContentContains(String content) {
+        StringBuilder messageContent = new StringBuilder();
+        findFirstOrElseThrow((WiserMessage m) -> {
+            ThrowingSupplier<String> contentAsString
+                    = () -> ((String) getMimeMessage(m).getContent()).trim();
+            messageContent.append(unchecked(contentAsString));
+            return unchecked(contentAsString).contains(content);
+        }, assertionError("No message with content containing [{0}] found! Was {1}", content, messageContent));
+        return this;
+    }
+
+    private void findFirstOrElseThrow(Predicate<WiserMessage> predicate, Supplier<AssertionError> exceptionSupplier) {
+        messages.stream().filter(predicate)
+                .findFirst().orElseThrow(exceptionSupplier);
+    }
+
+    private MimeMessage getMimeMessage(WiserMessage wiserMessage) {
+        return unchecked(wiserMessage::getMimeMessage);
+    }
+
+    private static Supplier<AssertionError> assertionError(String errorMessage, Object... args) {
+        return () -> new AssertionError(MessageFormat.format(errorMessage, args));
+    }
+
+    public static <T> T unchecked(ThrowingSupplier<T> supplier) {
+        try {
+            return supplier.get();
+        } catch (Throwable e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public interface ThrowingSupplier<T> {
+
+        T get() throws Throwable;
+    }
+}