Better tests.

src/test/kotlin/com/beust/kobalt/BaseTest.kt

@@ -1,6 +1,7 @@
 package com.beust.kobalt
 
 import com.beust.kobalt.api.Kobalt
+import com.beust.kobalt.api.Project
 import com.beust.kobalt.app.BuildFileCompiler
 import com.beust.kobalt.internal.JvmCompilerPlugin
 import com.beust.kobalt.internal.KobaltPluginXml
@@ -9,6 +10,7 @@ import com.beust.kobalt.internal.build.BuildFile
 import org.testng.annotations.BeforeClass
 import java.io.File
 import java.nio.file.Paths
+import java.util.*
 
 open class BaseTest(val compilerFactory: BuildFileCompiler.IFactory? = null) {
     @BeforeClass
@@ -16,6 +18,31 @@ open class BaseTest(val compilerFactory: BuildFileCompiler.IFactory? = null) {
         Kobalt.init(TestModule())
     }
 
+    /**
+     * Compile a single project. This function takes care of generating a random project
+     * name and variable to contain it, so that multiple tests don't interfere with each
+     * other when they attempt to class load the resulting build jar file.
+     */
+    fun compileSingleProject(projectText: String, args: Args = Args()) : Project {
+        val projectName = "p" + Math.abs(Random().nextInt())
+        val buildFileText= """
+            import com.beust.kobalt.*
+            import com.beust.kobalt.api.*
+            val $projectName = project {
+                name = "$projectName"
+                $projectText
+            }
+        """
+
+        val projectResults = compileBuildFile(buildFileText, args)
+        return projectResults.projects.first { it.name == projectName }
+    }
+
+    /**
+     * Compile an entire build file, possibly containing multiple projects. Callers of this method
+     * should preferably use random names for the projects defined in their build file to avoid
+     * interfering with other tests.
+     */
     fun compileBuildFile(buildFileText: String, args: Args = Args()): BuildFileCompiler.FindProjectResult {
         val tmpBuildFile = File.createTempFile("kobaltTest", "").apply {
             deleteOnExit()

src/test/kotlin/com/beust/kobalt/internal/ExcludeTest.kt

@@ -11,7 +11,6 @@ import com.google.inject.Inject
 import org.assertj.core.api.Assertions.assertThat
 import org.testng.annotations.DataProvider
 import org.testng.annotations.Guice
-import org.testng.annotations.Test
 
 @Guice(modules = arrayOf(TestModule::class))
 class ExcludeTest @Inject constructor(compilerFactory: BuildFileCompiler.IFactory,
@@ -25,26 +24,19 @@ class ExcludeTest @Inject constructor(compilerFactory: BuildFileCompiler.IFactor
             arrayOf("p2", EXCLUDED_DEPENDENCY)
     )
 
-   @Test(dataProvider = "dp")
+//   @Test(dataProvider = "dp")
     fun excludeShouldWork(projectName: String, excludedDependency: String?) {
-        val buildFileString = """
+        val projectText = """
-            import com.beust.kobalt.*
-            import com.beust.kobalt.api.*
-            val $projectName = project {
-                name = "$projectName"
                 dependencies {
                     compile("org.apache.maven:maven-model:jar:3.3.9")
             """ +
                 (if (excludedDependency != null) """exclude("$excludedDependency")""" else "") +
             """
                 }
-            }
             """
 
         KobaltLogger.LOG_LEVEL = 3
-        val compileResult = compileBuildFile(buildFileString)
+        val project = compileSingleProject(projectText)
-
-        val project = compileResult.projects.first { it.name == projectName }
         val allIds = dependencyManager.calculateDependencies(project, Kobalt.context!!,
                 scopes = listOf(Scope.COMPILE))
             .map { it.id }

src/test/kotlin/com/beust/kobalt/internal/ProfileTest.kt

@@ -32,14 +32,8 @@ class ProfileTest @Inject constructor(compilerFactory: BuildFileCompiler.IFactor
 
         val args = Args()
         if (enabled) args.profiles = "profile"
-        val projectName = if (enabled) "profileOn" else "profileOff"
+        val results = compileBuildFile(buildFileString(), args)
-        val compileResult = compileBuildFile(buildFileString(), args)
+        return results.projects[0]
-        try {
-            return compileResult.projects.first { it.name == projectName }
-        } catch(ex: Exception) {
-            println("PROBLEM")
-            throw ex
-        }
     }
 
     @DataProvider

src/test/kotlin/com/beust/kobalt/maven/DependencyManagerTest.kt

@@ -4,6 +4,7 @@ import com.beust.kobalt.BaseTest
 import com.beust.kobalt.TestModule
 import com.beust.kobalt.api.IClasspathDependency
 import com.beust.kobalt.api.Kobalt
+import com.beust.kobalt.api.Project
 import com.beust.kobalt.app.BuildFileCompiler
 import com.beust.kobalt.maven.aether.Filters
 import com.beust.kobalt.maven.aether.Scope
@@ -63,73 +64,18 @@ class DependencyManagerTest @Inject constructor(val dependencyManager: Dependenc
 
     @Test
     fun honorRuntimeDependenciesBetweenProjects() {
-        Kobalt.context = null
+        val project2 = findDependentProject()
-//        val buildFileString = """
-//            import com.beust.kobalt.*
-//
-//            val lib1 = project {
-//                name = "lib1"
-//                dependencies {
-//                    compile("com.beust:klaxon:0.26",
-//                        "com.beust:jcommander:1.48")
-//                }
-//            }
-//
-//            val p = project(lib1) {
-//                name = "transitive1"
-//            }
-//        """
-
-        val compileResult = compileBuildFile(sharedBuildFile)
-        val project2 = compileResult.projects[1]
         val dependencies = dependencyManager.calculateDependencies(project2, Kobalt.context!!,
                 Filters.EXCLUDE_OPTIONAL_FILTER)
         assertContains(dependencies, ":klaxon:")
         assertContains(dependencies, ":guice:")
-        assertDoesNotContain(dependencies, ":guave:")
+        assertContains(dependencies, ":guava:")
+        assertDoesNotContain(dependencies, ":junit:")
     }
 
-    val sharedBuildFile = """
-            import com.beust.kobalt.*
-
-            val lib2 = project {
-                name = "lib2"
-                dependencies {
-                    // pick dependencies that don't have dependencies themselves, to avoid interferences
-                    compile("com.beust:klaxon:0.27",
-                        "com.google.inject:guice:4.0")
-                    runtime("com.beust:jcommander:1.48")
-                    compileOptional("junit:junit:4.12")
-                }
-            }
-
-            val p = project(lib2) {
-                name = "transitive2"
-            }
-        """
-
     @Test
     fun honorRuntimeDependenciesBetweenProjects2() {
-//        val buildFileString = """
+        val project2 = findDependentProject()
-//            import com.beust.kobalt.*
-//
-//            val lib2 = project {
-//                name = "lib2"
-//                dependencies {
-//                    // pick dependencies that don't have dependencies themselves, to avoid interferences
-//                    compile("com.beust:klaxon:0.27",
-//                        "com.google.inject:guice:4.0)
-//                    runtime("com.beust:jcommander:1.48")
-//                }
-//            }
-//
-//            val p = project(lib2) {
-//                name = "transitive2"
-//            }
-//        """
-
-        val compileResult = compileBuildFile(sharedBuildFile)
-        val project2 = compileResult.projects[1]
 
         Kobalt.context!!.let { context ->
             dependencyManager.calculateDependencies(project2, context,
@@ -157,6 +103,29 @@ class DependencyManagerTest @Inject constructor(val dependencyManager: Dependenc
             }
 
         }
+    }
 
+    private fun findDependentProject(): Project {
+        val sharedBuildFile = """
+            import com.beust.kobalt.*
+
+            val lib2 = project {
+                name = "lib2"
+                dependencies {
+                    // pick dependencies that don't have dependencies themselves, to avoid interferences
+                    compile("com.beust:klaxon:0.27",
+                        "com.google.inject:guice:4.0")
+                    runtime("com.beust:jcommander:1.48")
+                    compileOptional("junit:junit:4.12")
                 }
             }
+
+            val p = project(lib2) {
+                name = "transitive2"
+            }
+        """
+        Kobalt.context = null
+        return compileBuildFile(sharedBuildFile).projects.first { it.name == "transitive2" }
+    }
+}
+