buildSrc/src/main/java/cc/squirreljme/plugin/tasks/TestsJarTask.java

   1 // -*- Mode: Java; indent-tabs-mode: t; tab-width: 4 -*-
   2 // ---------------------------------------------------------------------------
   3 // SquirrelJME
   4 //     Copyright (C) Stephanie Gawroriski <xer@multiphasicapps.net>
   5 // ---------------------------------------------------------------------------
   6 // SquirrelJME is under the Mozilla Public License Version 2.0.
   7 // See license.mkd for licensing and copyright information.
   8 // ---------------------------------------------------------------------------
   9
  10 package cc.squirreljme.plugin.tasks;
  11
  12 import java.util.concurrent.Callable;
  13 import javax.inject.Inject;
  14 import org.gradle.api.Task;
  15 import org.gradle.api.file.FileCollection;
  16 import org.gradle.api.plugins.JavaPluginConvention;
  17 import org.gradle.api.tasks.SourceSet;
  18 import org.gradle.api.tasks.bundling.Jar;
  19
  20 /**
  21  * Contains the task for creating a test JAR.
  22  *
  23  * @since 2020/03/04
  24  */
  25 public class TestsJarTask
  26         extends Jar
  27 {
  28         /**
  29          * Initializes the task.
  30          *
  31          * @since 2020/03/04
  32          */
  33         @Inject
  34         public TestsJarTask(Task __testClasses, Task __testResources)
  35         {
  36                 // Depend on these two tasks because they have to be done first
  37                 this.dependsOn(__testClasses, __testResources);
  38                 this.mustRunAfter(__testClasses, __testResources);
  39
  40                 // Set details of this task
  41                 this.setGroup("squirreljme");
  42                 this.setDescription("Builds the test JAR which is needed to run " +
  43                         "tests from within the VM.");
  44
  45                 // Setup the task
  46                 this.getArchiveClassifier().set("test");
  47                 this.from((Callable<FileCollection>)this::__from);
  48
  49                 // Only run if there are actual tests
  50                 this.onlyIf(this::__onlyIf);
  51         }
  52
  53         /**
  54          * Only run this task in this situation.
  55          *
  56          * @param __task This task.
  57          * @return If this should run or not.
  58          * @since 2022/05/20
  59          */
  60         private boolean __onlyIf(Task __task)
  61         {
  62                 // Only run if there are files to actually be added
  63                 return !this.__from().getAsFileTree().getFiles().isEmpty();
  64         }
  65
  66         /**
  67          * Returns what makes up the test JAR.
  68          *
  69          * @return The files that make up the test JAR.
  70          * @since 2020/03/04
  71          */
  72         private FileCollection __from()
  73         {
  74                 SourceSet set = this.getProject().getConvention()
  75                         .getPlugin(JavaPluginConvention.class).getSourceSets()
  76                         .getByName(SourceSet.TEST_SOURCE_SET_NAME);
  77                 return this.getProject().files(set.getOutput().getClassesDirs(),
  78                         set.getOutput().getResourcesDir());
  79         }
  80 }