Scala Simple Dummy Project
-
25-09-2019 - |
Pergunta
Atualmente, todo o meu ciclo de trabalho é:
- Editar foo.scala
- fsc foo.scala && scala -cp. FOOMAIN
Mas meu projeto está ficando maior e eu gostaria de dividir arquivos, fazer testes de unidade, etc. Mas sou preguiçoso demais para ler a documentação do SBT e fazer o que precisa ser feito para obter o "makefile" de um SBT. Da mesma forma, para testes de unidade (existem tantas estruturas, que escolher?)
O que tornaria o meu dia é um projeto fictício simples com um projeto de unidade fictícia usando o SBT.
Você sabe se isso existe?
Solução
Bem, você deve use sbt. Você não precisa escrever nada: ele criará tudo o que precisa para um projeto básico e só perguntará qual é o nome do projeto e qual versão do Scala você estará usando.
Depois disso, basta colocar os arquivos nos lugares corretos. Procure o layout do diretório, embora a resposta curta seja os principais arquivos de origem em src/main/scala
e teste de arquivos de origem em src/test/scala
. Você vai tem que criar um "makefile" muito pequeno para obter uma biblioteca de testes.
Outras dicas
Resposta atualizada (2016)
Hoje em dia, você tem o Giter8 Projeto, combinado com a versão do lançador do SBT 0.13.13 ou superior, e seu comando new
.
sbt new ...
Resposta original (2010)
Sim, esse projeto de modelo, com base no SBT, completo com testes de Scala, existe:
Vejo Comece com Scala, SBT e Eclipse e os seus Projeto de modelo.
- 1) Clone ou Download/Extract Fonte do SBT-Console-Template
% git clone git://github.com/mgutz/sbt-console-template.git your-project
- 2) do console SBT
# update dependencies > update # run project > run # test project continuously > ~test # eclipsify > eclipse
(A parte "Eclipse" é opcional e só aqui se você quiser gerar um projeto Scala Eclipse a partir do seu projeto SBT)
Outro projeto de modelo Scala:
Construa um aplicativo misto de scala 2.8/java do zero com maven
Ele usa o seguinte modelo (aqui está o Arquivo Zip com o projeto completo Maven-Scala):
+-scalajavatut/
+-pom.xml
+-src/
| +-main/
| | +-java/
| | | +-de/
| | | +-mackaz/
| | | +-HelloScala.java
| | +-scala/
| | +-de/
| | +-mackaz/
| | +-App.scala
| +-test/
| +-scala/
| +-de/
| +-mackaz/
| +-AppTest.scala
| +-MySpec.scala
E o seguinte pom.xml
:
<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/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>de.mackaz</groupId>
<artifactId>tutorial1</artifactId>
<version>1.0-SNAPSHOT</version>
<inceptionYear>2008</inceptionYear>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<scala.version>2.8.0-SNAPSHOT</scala.version>
</properties>
<repositories>
<repository>
<id>scala-tools.org</id>
<name>Scala-Tools Maven2 Repository</name>
<url>http://scala-tools.org/repo-releases</url>
</repository>
<!-- Scala 2.8 Latest -->
<repository>
<id>scala-tools.org.snapshots</id>
<name>Scala Tools Maven2 Repository</name>
<url>http://scala-tools.org/repo-snapshots</url>
<snapshots />
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>scala-tools.org</id>
<name>Scala-Tools Maven2 Repository</name>
<url>http://scala-tools.org/repo-releases</url>
</pluginRepository>
</pluginRepositories>
<dependencies>
<dependency>
<groupId>org.scala-lang</groupId>
<artifactId>scala-library</artifactId>
<version>${scala.version}</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.4</version>
<scope>test</scope>
</dependency>
<!-- Specs (Behavior Driven Testing through JUnit) -->
<dependency>
<groupId>org.scala-tools.testing</groupId>
<artifactId>specs</artifactId>
<version>1.6.1-2.8.0.Beta1-RC1</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.scala-tools</groupId>
<artifactId>maven-scala-plugin</artifactId>
<version>2.13.1</version>
<executions>
<execution>
<id>compile</id>
<goals><goal>compile</goal></goals>
<phase>compile</phase>
</execution>
<execution>
<id>test-compile</id>
<goals><goal>testCompile</goal></goals>
<phase>test-compile</phase>
</execution>
<execution>
<phase>process-resources</phase>
<goals><goal>compile</goal></goals>
</execution>
</executions>
<configuration>
<scalaVersion>${scala.version}</scalaVersion>
<launchers>
<launcher>
<id>myLauncher</id>
<mainClass>de.mackaz.App</mainClass>
</launcher>
</launchers>
<args>
<arg>-target:jvm-1.5</arg>
<!-- to support mix java/scala only -->
<arg>-make:transitivenocp</arg>
<arg>-dependencyfile</arg>
<arg>${project.build.directory}/.scala_dependencies</arg>
</args>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-eclipse-plugin</artifactId>
<configuration>
<downloadSources>true</downloadSources>
<buildcommands>
<buildcommand>ch.epfl.lamp.sdt.core.scalabuilder</buildcommand>
</buildcommands>
<additionalProjectnatures>
<projectnature>ch.epfl.lamp.sdt.core.scalanature</projectnature>
</additionalProjectnatures>
<classpathContainers>
<classpathContainer>org.eclipse.jdt.launching.JRE_CONTAINER</classpathContainer>
<classpathContainer>ch.epfl.lamp.sdt.launching.SCALA_CONTAINER</classpathContainer>
</classpathContainers>
</configuration>
</plugin>
</plugins>
</build>
<reporting>
<plugins>
<plugin>
<groupId>org.scala-tools</groupId>
<artifactId>maven-scala-plugin</artifactId>
<configuration>
<scalaVersion>${scala.version}</scalaVersion>
</configuration>
</plugin>
</plugins>
</reporting>
</project>
Você pode executá -lo com:
mvn scala:run
E no final da saída, você deve ver
[INFO] launcher 'myLauncher' selected => de.mackaz.App
Hello from Java
Scala says: Hello from Scala!
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESSFUL
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 7 seconds
[INFO] Finished at: Wed Mar 24 18:14:22 CET 2010
[INFO] Final Memory: 14M/33M
[INFO] ------------------------------------------------------------------------
Dentro Blog de Fanf, François Armand presentes:
Maven2 Bootstrap Pom.xml para Scala com SLF4J e sem complosos
<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/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.test</groupId>
<artifactId>test</artifactId>
<packaging>jar</packaging>
<version>0.1-SNAPSHOT</version>
<properties>
<!-- UTF-8 for everyone -->
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<!-- Other general properties -->
<slf4j-version>1.6.0</slf4j-version>
<logback-version>0.9.20</logback-version>
<scala-version>2.8.0.RC2</scala-version>
<scala-maven-plugin-version>2.13.1</scala-maven-plugin-version>
</properties>
<description>
Starting pom
</description>
<repositories>
<repository>
<id>scala-tools.org</id>
<name>Scala-tools Maven2 Repository</name>
<url>http://scala-tools.org/repo-releases</url>
</repository>
<repository>
<id>scala-snapshots.org</id>
<name>Scala-tools Maven2 Repository snapshots</name>
<url>http://scala-tools.org/repo-snapshots</url>
</repository>
<repository>
<id>no-commons-logging</id>
<name>No-commons-logging Maven Repository</name>
<layout>default</layout>
<url>http://no-commons-logging.zapto.org/mvn2</url>
<snapshots><enabled>false</enabled></snapshots>
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>scala-tools.org</id>
<name>Scala-tools Maven2 Repository</name>
<url>http://scala-tools.org/repo-releases</url>
<snapshots><enabled>false</enabled></snapshots>
</pluginRepository>
<pluginRepository>
<id>scala-snapshots.org</id>
<name>Scala-tools Maven2 Repository snapshots</name>
<url>http://scala-tools.org/repo-snapshots</url>
</pluginRepository>
</pluginRepositories>
<build>
<sourceDirectory>src/main/scala</sourceDirectory>
<testSourceDirectory>src/test/scala</testSourceDirectory>
<plugins>
<plugin>
<groupId>org.scala-tools</groupId>
<artifactId>maven-scala-plugin</artifactId>
<version>${scala-maven-plugin-version}</version>
<executions>
<execution>
<goals>
<goal>compile</goal>
<goal>testCompile</goal>
</goals>
</execution>
</executions>
<configuration>
<args>
<arg>-target:jvm-1.5</arg>
<arg>-make:transitivenocp</arg>
<arg>-dependencyfile</arg>
<arg>${project.build.directory}/.scala_dependencies</arg>
</args>
<jvmArgs>
<jvmArg>-client</jvmArg>
<jvmArg>-Xmx1G</jvmArg>
</jvmArgs>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.1</version>
<configuration>
<source>1.6</source>
</configuration>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>org.scala-lang</groupId>
<artifactId>scala-library</artifactId>
<version>${scala-version}</version>
</dependency>
<dependency>
<groupId>joda-time</groupId>
<artifactId>joda-time</artifactId>
<version>1.6</version>
</dependency>
<!-- test -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.7</version>
<scope>test</scope>
</dependency>
<!--
All the following is related to our will to NOT use Commong-logging
-->
<!-- use no-commons-logging -->
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>99.0-does-not-exist</version>
</dependency>
<!-- no-commons-logging-api, if you need it -->
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging-api</artifactId>
<version>99.0-does-not-exist</version>
</dependency>
<!-- the slf4j commons-logging replacement -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>jcl-over-slf4j</artifactId>
<version>${slf4j-version}</version>
</dependency>
<!-- the other slf4j jars -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${slf4j-version}</version>
</dependency>
<!-- using slf4j native backend -->
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-core</artifactId>
<version>${logback-version}</version>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>${logback-version}</version>
</dependency>
</dependencies>
</project>