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Merge pull request #741 from olafurpg/sbt-testkit
Add ScalafixTestkitPlugin to simplify g8 template.
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scalafix-sbt/src/main/scala/scalafix/sbt/ScalafixTestkitPlugin.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| package scalafix.sbt | ||
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| import sbt.Def | ||
| import sbt._ | ||
| import sbt.Keys._ | ||
| import java.io.File.pathSeparator | ||
| import sbt.plugins.JvmPlugin | ||
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| object ScalafixTestkitPlugin extends AutoPlugin { | ||
| override def trigger: PluginTrigger = noTrigger | ||
| override def requires: Plugins = JvmPlugin | ||
| object autoImport { | ||
| val scalafixTestkitInputClasspath = | ||
| taskKey[Classpath]("Classpath of input project") | ||
| val scalafixTestkitInputSourceDirectories = | ||
| taskKey[Seq[File]]("Source directory of output projects") | ||
| val scalafixTestkitOutputSourceDirectories = | ||
| taskKey[Seq[File]]("Source directories of output projects") | ||
| } | ||
| import autoImport._ | ||
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| override def projectSettings: Seq[Def.Setting[_]] = List( | ||
| resourceGenerators.in(Test) += Def.task { | ||
| val props = new java.util.Properties() | ||
| val values = Map[String, Seq[File]]( | ||
| "inputClasspath" -> | ||
| scalafixTestkitInputClasspath.value.map(_.data), | ||
| "inputSourceDirectories" -> | ||
| scalafixTestkitInputSourceDirectories.value, | ||
| "outputSourceDirectories" -> | ||
| scalafixTestkitOutputSourceDirectories.value | ||
| ) | ||
| values.foreach { | ||
| case (key, files) => | ||
| props.put( | ||
| key, | ||
| files.iterator.filter(_.exists()).mkString(pathSeparator) | ||
| ) | ||
| } | ||
| val out = | ||
| managedResourceDirectories.in(Test).value.head / | ||
| "scalafix-testkit.properties" | ||
| IO.write(props, "Input data for scalafix testkit", out) | ||
| List(out) | ||
| } | ||
| ) | ||
| } |
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scalafix-testkit/src/main/scala/scalafix/testkit/TestkitProperties.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| package scalafix.testkit | ||
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| import scala.meta.AbsolutePath | ||
| import scala.meta.Classpath | ||
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| /** | ||
| * Input arguments to run scalafix testkit rules. | ||
| * | ||
| * @param inputClasspath | ||
| * The class directory of the input sources. This directory should contain a | ||
| * META-INF/semanticd sub-directory with SemanticDB files. | ||
| * @param inputSourceDirectories | ||
| * The source directory of the input sources. This directory should contain Scala code to | ||
| * be fixed by Scalafix. | ||
| * @param outputSourceDirectories | ||
| * The source directories of the expected output sources. These directories should contain | ||
| * Scala source files with the expected output after running Scalafix. When multiple directories | ||
| * are provided, the first directory that contains a source files with a matching relative path | ||
| * in inputSourceroot is used. | ||
| */ | ||
| final class TestkitProperties( | ||
| val inputClasspath: Classpath, | ||
| val inputSourceDirectories: List[AbsolutePath], | ||
| val outputSourceDirectories: List[AbsolutePath] | ||
| ) { | ||
| def inputSourceDirectory: AbsolutePath = | ||
| inputSourceDirectories.head | ||
| def outputSourceDirectory: AbsolutePath = | ||
| outputSourceDirectories.head | ||
| override def toString: String = { | ||
| val map = Map( | ||
| "inputSourceDirectories" -> inputSourceDirectories, | ||
| "outputSourceDirectories" -> outputSourceDirectories, | ||
| "inputClasspath" -> inputClasspath.syntax | ||
| ) | ||
| pprint.PPrinter.BlackWhite.tokenize(map).mkString | ||
| } | ||
| } | ||
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| object TestkitProperties { | ||
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| /** Loads TestkitProperties from resource "scalafix-testkit.properties" of this classloader. */ | ||
| def loadFromResources(): TestkitProperties = { | ||
| import scala.collection.JavaConverters._ | ||
| val props = new java.util.Properties() | ||
| val path = "scalafix-testkit.properties" | ||
| val in = this.getClass.getClassLoader.getResourceAsStream(path) | ||
| if (in == null) { | ||
| sys.error(s"Failed to load resource $path") | ||
| } else { | ||
| val sprops = props.asScala | ||
| try props.load(in) | ||
| finally in.close() | ||
| new TestkitProperties( | ||
| Classpath(sprops("inputClasspath")), | ||
| Classpath(sprops("inputSourceDirectories")).entries, | ||
| Classpath(sprops("outputSourceDirectories")).entries | ||
| ) | ||
| } | ||
| } | ||
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| } |
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