gradle-plugin: Add path test

tools/kotlin-native-gradle-plugin/src/test/groovy/org/jetbrains/kotlin/gradle/plugin/test/IncrementalSpecification.groovy

@@ -116,8 +116,6 @@ class IncrementalSpecification extends Specification {
         "enableAssertions"   | "enableAssertions()"
         "enableDebug"        | "enableDebug true"
         "outputName"         | "outputName 'foo'"
-
-
     }
 
     def 'inputFiles change for a compilation task should cause only recompilation'() {
@@ -305,8 +303,13 @@ class IncrementalSpecification extends Specification {
         } else {
             throw new IllegalStateException("Unknown host platform")
         }
+        def project = KonanInteropProject.createEmpty(tmpFolder) { KonanInteropProject it ->
+            it.generateSrcFile('main.kt')
+            it.propertiesFile.append("konan.build.targets=all\n")
+        }
 
-        def results = buildTwiceEmpty { KonanInteropProject project ->
+
+        def results = buildTwice(project) { KonanInteropProject it ->
             project.buildFile.append("konanArtifacts['main'].target '$newTarget'\n")
             project.buildFile.append("konanInterop['stdio'].target '$newTarget'\n")
         }
@@ -315,8 +318,5 @@ class IncrementalSpecification extends Specification {
         recompilationAndInteropProcessingHappened(*results)
     }
 
-
     //endregion
 }
-
-

tools/kotlin-native-gradle-plugin/src/test/groovy/org/jetbrains/kotlin/gradle/plugin/test/PathSpecifiaction.groovy

@@ -0,0 +1,32 @@
+package org.jetbrains.kotlin.gradle.plugin.test
+
+import org.junit.Rule
+import org.junit.rules.TemporaryFolder
+import spock.lang.Specification
+
+
+class PathSpecification extends Specification {
+    @Rule
+    TemporaryFolder tmpFolder = new TemporaryFolder()
+
+    def 'Plugin should create all necessary directories'() {
+        when:
+        def project = KonanInteropProject.create(tmpFolder)
+        def result = project.createRunner().withArguments('build').build()
+
+        then:
+        def konan = "${tmpFolder.root}/build/konan"
+        new File("$konan/bin").listFiles().findAll {
+            File it -> it.file && it.name.matches('^main\\.[^.]+')
+        }.size() > 0
+        def klib = new File("$konan/interopCompiledStubs/stdioInteropStubs/stdioInteropStubs.klib")
+        klib.exists() && klib.file
+        def stdioKt = new File("$konan/interopStubs/genStdioInteropStubs/stdio/stdio.kt")
+        stdioKt.exists() && stdioKt.file
+        def manifest = new File("$konan/interopStubs/genStdioInteropStubs/manifest.properties")
+        manifest.exists() && manifest.file
+        def nativeLib = new File("$konan/nativelibs/genStdioInteropStubs/stdiostubs.bc")
+        nativeLib.exists() && nativeLib.file
+    }
+
+}