more graceful way to build Junit with dependencies from prebuilts

Change-Id: I127ddf1df97c14855196c18ccb7a69fbdc237c7d

1 files changed, 67 insertions, 5 deletions

diff --git a/build.gradle b/build.gradle
index 01e9133..722846c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,8 +1,70 @@
-apply from: "build-common.gradle"
+apply plugin: 'java'
 
-dependencies {
-    targetCompile getAndroidPrebuilt('4')
-    targetCompile project(':hamcrest')
+configurations {
+    // similar to 'default', export compile-time dependencies
+    host.extendsFrom(hostCompile)
+    target.extendsFrom(targetCompile)
+}
+
+sourceSets {
+    host {
+        java {
+            srcDirs = ['src']
+        }
+    }
+
+    target {
+        java {
+            srcDirs = ['src']
+            include 'org/**',
+                    'junit/extensions/**',
+                    // remove these packages since they are in android.test.runner
+                    // and proguard complains if they are present
+                    // 'junit/runner/**',
+                    // 'junit/textui/**',
+                    'junit/framework/ComparisonCompactor.java',
+                    'junit/framework/JUnit4TestAdapterCache.java',
+                    'junit/framework/JUnit4TestAdapter.java',
+                    'junit/framework/JUnit4TestCaseFacade.java'
+        }
+    }
+}
+
+task targetJar(type: Jar) {
+    from sourceSets.target.output
+    dependsOn targetClasses
+    baseName "junit4"
+    classifier "target"
+}
+
+task hostJar(type: Jar) {
+    from sourceSets.host.output
+    dependsOn hostClasses
+    baseName "junit4"
+    classifier "host"
+}
+
+artifacts {
+    host hostJar
+    target targetJar
+}
+
+if (project.hasProperty("usePrebuilts") && project.usePrebuilts == "true") {
+    repositories {
+        maven { url '../../prebuilts/tools/common/m2/repository' }
+    }
+
+    dependencies {
+        targetCompile getAndroidPrebuilt('4')
+        targetCompile 'org.hamcrest:hamcrest-core:1.1'
+
+        hostCompile 'org.hamcrest:hamcrest-core:1.1'
+    }
+} else {
+    dependencies {
+        targetCompile getAndroidPrebuilt('4')
+        targetCompile project(':hamcrest')
 
-    hostCompile project(':hamcrest')
+        hostCompile project(':hamcrest')
+    }
 }