Fixed forClass in specific source set (#376)

Author: jonapoul

plugin/src/main/kotlin/com/github/gmazzo/buildconfig/internal/DefaultBuildConfigSourceSet.kt

@@ -65,8 +65,8 @@ internal abstract class DefaultBuildConfigSourceSet(
 
         if (!isSuperseded) {
             isSuperseded = true
-            generateTask.configure {
-                supersededBy(other)
+            generateTask.configure { t ->
+                t.supersededBy(other)
             }
         }
 

plugin/src/test/kotlin/com/github/gmazzo/buildconfig/BuildConfigSupersededByTest.kt

@@ -0,0 +1,33 @@
+package com.github.gmazzo.buildconfig
+
+import com.github.gmazzo.buildconfig.internal.BuildConfigSourceSetInternal
+import com.github.gmazzo.buildconfig.internal.DefaultBuildConfigSourceSet
+import com.github.gmazzo.buildconfig.internal.capitalized
+import org.gradle.kotlin.dsl.newInstance
+import org.gradle.kotlin.dsl.register
+import org.gradle.testfixtures.ProjectBuilder
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.assertDoesNotThrow
+
+class BuildConfigSupersededByTest {
+    private val project = ProjectBuilder.builder().build()
+
+    private fun createSourceSet(name: String): BuildConfigSourceSetInternal = with(project) {
+        objects.newInstance<DefaultBuildConfigSourceSet>(name).apply {
+            generateTask = tasks.register<BuildConfigTask>("generate${name.capitalized}BuildConfigClasses") {
+                outputDir.set(layout.buildDirectory.dir("generated/sources/buildConfig/$name"))
+            }
+        }
+    }
+
+    @Test
+    fun `supersededBy with forClass should not fail when task is realized`() {
+        val parent = createSourceSet("test")
+        val child = createSourceSet("testDebug")
+
+        parent.forClass("MyBuildConfig")
+        parent.supersededBy(child)
+
+        assertDoesNotThrow { parent.generateTask.get() }
+    }
+}