Use sbt instead of Maven

Author: gaeljw

.m2/maven-version-rules.xml

@@ -1,31 +1,19 @@
 language: scala
 os: linux
+jdk:
+  - oraclejdk8
 
 cache:
   directories:
-  - "$HOME/.m2"
+    - $HOME/.sbt/1.0
+    - $HOME/.sbt/boot/scala*
+    - $HOME/.sbt/cache
+    - $HOME/.sbt/launchers
+    - $HOME/.ivy2/cache
+    - $HOME/.coursier
 
-install:
-  - which java
-  - mvn install -DskipTests=true -DskipITs=true -Dmaven.javadoc.skip=true -B -V --toolchains .m2/travis-ci-toolchains.xml
-
-jobs:
-  include:
-  - stage: test
-    scala:
-    - 2.11.12
-    script: mvn test -pl scala/scala_2.11 -B --toolchains .m2/travis-ci-toolchains.xml
-    jdk: openjdk8
-  - stage: test
-    scala:
-    - 2.12.11
-    script: mvn test -pl scala/scala_2.12,examples -B --toolchains .m2/travis-ci-toolchains.xml
-    jdk: openjdk8
-  - stage: test
-    scala:
-    - 2.13.2
-    script: mvn test -pl scala/scala_2.13,examples -B --toolchains .m2/travis-ci-toolchains.xml
-    jdk: openjdk8
+script:
+  - sbt +compile +test
 
 branches:
   only:

.m2/travis-ci-toolchains.xml

@@ -0,0 +1,140 @@
+
+val scala211 = "2.11.12"
+val scala212 = "2.12.12"
+val scala213 = "2.13.3"
+
+val cucumberVersion = "6.8.2"
+val jacksonVersion = "2.11.3"
+val mockitoScalaVersion = "1.16.0"
+val junitVersion = "4.13.1"
+
+scalaVersion := scala213
+
+// Source: https://nathankleyn.com/2019/05/13/recommended-scalac-flags-for-2-13/
+lazy val scalacOptions213 = Seq(
+  "-deprecation", // Emit warning and location for usages of deprecated APIs.
+  "-explaintypes", // Explain type errors in more detail.
+  "-feature", // Emit warning and location for usages of features that should be imported explicitly.
+  "-language:existentials", // Existential types (besides wildcard types) can be written and inferred
+  "-language:experimental.macros", // Allow macro definition (besides implementation and application)
+  "-language:higherKinds", // Allow higher-kinded types
+  "-language:implicitConversions", // Allow definition of implicit functions called views
+  "-unchecked", // Enable additional warnings where generated code depends on assumptions.
+  "-Xcheckinit", // Wrap field accessors to throw an exception on uninitialized access.
+  "-Xfatal-warnings", // Fail the compilation if there are any warnings.
+  "-Xlint:adapted-args", // Warn if an argument list is modified to match the receiver.
+  "-Xlint:constant", // Evaluation of a constant arithmetic expression results in an error.
+  "-Xlint:delayedinit-select", // Selecting member of DelayedInit.
+  "-Xlint:doc-detached", // A Scaladoc comment appears to be detached from its element.
+  "-Xlint:inaccessible", // Warn about inaccessible types in method signatures.
+  "-Xlint:infer-any", // Warn when a type argument is inferred to be `Any`.
+  "-Xlint:missing-interpolator", // A string literal appears to be missing an interpolator id.
+//  "-Xlint:nullary-override", // Warn when non-nullary `def f()' overrides nullary `def f'.
+  "-Xlint:nullary-unit", // Warn when nullary methods return Unit.
+  "-Xlint:option-implicit", // Option.apply used implicit view.
+  "-Xlint:package-object-classes", // Class or object defined in package object.
+  "-Xlint:poly-implicit-overload", // Parameterized overloaded implicit methods are not visible as view bounds.
+  "-Xlint:private-shadow", // A private field (or class parameter) shadows a superclass field.
+  "-Xlint:stars-align", // Pattern sequence wildcard must align with sequence component.
+  "-Xlint:type-parameter-shadow", // A local type parameter shadows a type already in scope.
+  "-Ywarn-dead-code", // Warn when dead code is identified.
+  "-Ywarn-extra-implicit", // Warn when more than one implicit parameter section is defined.
+  "-Ywarn-numeric-widen", // Warn when numerics are widened.
+  "-Ywarn-unused:implicits", // Warn if an implicit parameter is unused.
+  "-Ywarn-unused:imports", // Warn if an import selector is not referenced.
+  "-Ywarn-unused:locals", // Warn if a local definition is unused.
+  "-Ywarn-unused:params", // Warn if a value parameter is unused.
+  "-Ywarn-unused:patvars", // Warn if a variable bound in a pattern is unused.
+  "-Ywarn-unused:privates", // Warn if a private member is unused.
+  "-Ywarn-value-discard", // Warn when non-Unit expression results are unused.
+  "-Ybackend-parallelism", "8", // Enable paralellisation — change to desired number!
+  "-Ycache-plugin-class-loader:last-modified", // Enables caching of classloaders for compiler plugins
+  "-Ycache-macro-class-loader:last-modified", // and macro definitions. This can lead to performance improvements.
+)
+
+val scalacOptions212 = Seq(
+  "-deprecation", // Emit warning and location for usages of deprecated APIs.
+  "-encoding", "utf-8", // Specify character encoding used by source files.
+  "-feature", // Emit warning and location for usages of features that should be imported explicitly.
+  "-language:implicitConversions", // Allow definition of implicit functions called views
+)
+
+val scalacOptions211 = Seq(
+  "-deprecation",
+  "-encoding", "UTF-8", // yes, this is 2 args
+  "-feature",
+  "-language:implicitConversions"
+)
+
+lazy val commonSettings = Seq(
+  organization := "io.cucumber",
+  libraryDependencies += "com.novocode" % "junit-interface" % "0.11" % Test,
+  scalacOptions += "-target:jvm-1.8",
+  scalacOptions ++= {
+    CrossVersion.partialVersion(scalaVersion.value) match {
+      case Some((2, 11)) => scalacOptions211
+      case Some((2, 12)) => scalacOptions212
+      case Some((2, 13)) => scalacOptions213
+      case _ => Seq()
+    }
+  },
+)
+
+lazy val root = (project in file("."))
+  .settings(commonSettings)
+  .aggregate(
+    cucumberScala.projectRefs ++
+      examples.projectRefs: _*
+  )
+
+lazy val cucumberScala = (projectMatrix in file("cucumber-scala"))
+  .settings(commonSettings)
+  .settings(
+    name := "cucumber-scala",
+    libraryDependencies ++= Seq(
+      "io.cucumber" % "cucumber-core" % cucumberVersion,
+
+      // Users have to provide it (for JacksonDefaultDataTableTransformer)
+      "com.fasterxml.jackson.core" % "jackson-databind" % jacksonVersion % Provided,
+      "com.fasterxml.jackson.module" %% "jackson-module-scala" % jacksonVersion % Provided,
+
+      "junit" % "junit" % junitVersion % Test,
+      "io.cucumber" % "cucumber-junit" % cucumberVersion % Test,
+      "org.mockito" %% "mockito-scala" % mockitoScalaVersion % Test
+    ),
+    libraryDependencies ++= {
+      CrossVersion.partialVersion(scalaVersion.value) match {
+        case Some((2, n)) if n <= 12 => List("org.scala-lang.modules" %% "scala-collection-compat" % "2.2.0")
+        case _ => Nil
+      }
+    },
+    unmanagedSourceDirectories in Compile ++= {
+      val sourceDir = (sourceDirectory in Compile).value
+      CrossVersion.partialVersion(scalaVersion.value) match {
+        case Some((2, n)) if n <= 11 => Seq(sourceDir / "scala-2.11")
+        case _ => Seq()
+      }
+    },
+    scalacOptions ++= Seq()
+  )
+  .jvmPlatform(scalaVersions = Seq(scala213, scala212, scala211))
+
+lazy val examples = (projectMatrix in file("examples"))
+  .settings(commonSettings)
+  .settings(
+    name := "scala-examples",
+    libraryDependencies ++= Seq(
+      "io.cucumber" % "cucumber-junit" % cucumberVersion % Test,
+      "junit" % "junit" % junitVersion % Test
+    )
+  )
+  .dependsOn(cucumberScala % Test)
+  .jvmPlatform(scalaVersions = Seq(scala213, scala212))
+
+// TODO src jar ?
+// TODO javadoc jar
+
+// TODO OSS publish settings
+// But not the examples
+
+// TODO Makefile

.travis.yml

@@ -0,0 +1,42 @@
+/*
+ * Generates the I18n.scala file.
+ */
+
+import io.cucumber.gherkin.GherkinDialectProvider
+
+import scala.jdk.CollectionConverters._
+
+val dialectProvider = new GherkinDialectProvider()
+
+val unsupported = Seq("em")
+val allLanguages = dialectProvider.getLanguages().asScala.filterNot(l => unsupported.contains(l))
+
+def keywordVal(kw: String): String = {
+  val keyworkValName = java.text.Normalizer.normalize(kw.replaceAll("[\\s',!]", ""), java.text.Normalizer.Form.NFC)
+  s"""val $keyworkValName = new Step("$keyworkValName")"""
+}
+
+def traitCode(language: String): String = {
+  val traitName = language.replaceAll("[\\s-]", "_").toUpperCase()
+  val keywords = dialectProvider
+    .getDialect(language, null).getStepKeywords()
+    .asScala
+    .filter(kw => !kw.contains('*') && !kw.matches("^\\d.*"))
+    .sorted
+    .distinct
+
+  s"""
+     |trait $traitName {
+     |  this: ScalaDsl =>
+     |${keywords.map(kw => keywordVal(kw)).mkString("\n\n")}
+     |}
+     |""".stripMargin
+}
+
+val i18n = s"""
+     |package io.cucumber.scala
+     |
+     |${allLanguages.map(l => traitCode(l)).mkString("\n\n")}
+     |""".stripMargin
+
+println(i18n)