Prepare for gradle 5

plugin/build.gradle

@@ -1,5 +1,4 @@
 apply plugin: 'groovy'
-apply plugin: 'java-gradle-plugin'
 apply from: rootProject.file('gradle/publish.gradle')
 
 sourceSets {
@@ -29,5 +28,4 @@ dependencies {
     testCompile libraries.findbugs.annotations
     testCompile libraries.mockito
 
-    testRuntime files(pluginUnderTestMetadata)
 }

plugin/src/test/groovy/com/novoda/test/DeployRulesTestRule.groovy

@@ -24,13 +24,12 @@ class DeployRulesTestRule implements TestRule {
             void evaluate() throws Throwable {
                 cleanRepo()
                 File projectDir = createProjectDir("${System.currentTimeMillis()}")
-                createBuildScript(projectDir)
+                createBuildScripts(projectDir)
                 GradleRunner.create()
                         .withProjectDir(projectDir)
                         .withDebug(true)
-                        .forwardStdOutput(new OutputStreamWriter(System.out))
-                        .forwardStdError(new OutputStreamWriter(System.out))
                         .withArguments('clean', 'publish')
+                        .forwardOutput()
                         .build()
                 base.evaluate()
                 projectDir.deleteDir()
@@ -46,40 +45,41 @@ class DeployRulesTestRule implements TestRule {
         }
     }
 
-    private void createBuildScript(File projectDir) {
+    private void createBuildScripts(File projectDir) {
         new File(projectDir, 'build.gradle').text = """
-buildscript {
-    repositories {
-        jcenter()
-    }
-}
-
-version='$version'
-
-apply plugin: 'java'
-
-sourceSets {
-    main {
-        resources {
-            srcDirs = ${resourceDirs.collect { "'$it.path'" }}
-        }
-    }
-}
-
-apply plugin: 'maven-publish'
-
-publishing {
-    repositories {
-        maven { url '${repoDir}' }
-    }
-    publications {
-        mavenJava(MavenPublication) {
-            groupId '$groupId'
-            artifactId '$artifactId'
-            from components.java
-        }
-    }
-}"""
+            buildscript {
+                repositories {
+                    jcenter()
+                }
+            }
+
+            version='$version'
+
+            apply plugin: 'java'
+
+            sourceSets {
+                main {
+                    resources {
+                        srcDirs = ${resourceDirs.collect { "'$it.path'" }}
+                    }
+                }
+            }
+
+            apply plugin: 'maven-publish'
+
+            publishing {
+                repositories {
+                    maven { url '${repoDir}' }
+                }
+                publications {
+                    mavenJava(MavenPublication) {
+                        groupId '$groupId'
+                        artifactId '$artifactId'
+                        from components.java
+                    }
+                }
+            }""".stripIndent()
+        new File(projectDir, 'settings.gradle').text = ''''''
     }
 
     private static File createProjectDir(String path) {

plugin/src/test/groovy/com/novoda/test/Fixtures.groovy

@@ -4,7 +4,7 @@ import com.google.common.io.Resources
 
 public final class Fixtures {
     private static final Exception NO_INSTANCE_ALLOWED = new UnsupportedOperationException("No instance allowed");
-    private static final File ROOT_DIR = new File(Resources.getResource('.').file).parentFile.parentFile.parentFile.parentFile
+    public static final File ROOT_DIR = new File(Resources.getResource('.').file).parentFile.parentFile.parentFile.parentFile
     private static final File FIXTURES_DIR = new File(ROOT_DIR, 'src/test/fixtures')
     private static final File SOURCES_DIR = new File(FIXTURES_DIR, 'sources')
     private static final File REPORTS_DIR = new File(FIXTURES_DIR, 'reports')

plugin/src/test/groovy/com/novoda/test/TestAndroidKotlinProject.groovy

@@ -11,18 +11,19 @@ buildscript {
     dependencies {
         classpath 'com.android.tools.build:gradle:3.1.4'
         classpath 'org.jetbrains.kotlin:kotlin-gradle-plugin:1.2.20'
+        classpath 'com.novoda:gradle-static-analysis-plugin:local'
     }
 }
 plugins {
     ${formatPlugins(project)}   
-    id 'com.novoda.static-analysis'
 }
 repositories {
     google()
     jcenter()
 }
 apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
+apply plugin: 'com.novoda.static-analysis'
 
 android {
     compileSdkVersion 27

plugin/src/test/groovy/com/novoda/test/TestAndroidProject.groovy

@@ -10,17 +10,18 @@ buildscript {
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:3.1.4'
+        classpath 'com.novoda:gradle-static-analysis-plugin:local'
     }
 }
 plugins {
     ${formatPlugins(project)}
-    id 'com.novoda.static-analysis'
 }
 repositories { 
     google()
     jcenter()
 }
 apply plugin: 'com.android.library'
+apply plugin: 'com.novoda.static-analysis'
 android {
     compileSdkVersion 27
 

plugin/src/test/groovy/com/novoda/test/TestJavaProject.groovy

@@ -4,14 +4,20 @@ final class TestJavaProject extends TestProject<TestJavaProject> {
 
     private static final Closure<String> TEMPLATE = { TestProject project ->
         """
+buildscript {
+    dependencies {
+        classpath 'com.novoda:gradle-static-analysis-plugin:local'
+    }
+}
 plugins {
     ${formatPlugins(project)} 
-    id 'com.novoda.static-analysis'
 }
 repositories {
     jcenter()
 }
 apply plugin: 'java'
+apply plugin: 'com.novoda.static-analysis'
+
 sourceSets {
     ${formatSourceSets(project)}
 }

plugin/src/test/groovy/com/novoda/test/TestKotlinProject.groovy

@@ -9,16 +9,17 @@ buildscript {
         jcenter()
     }
     dependencies {
+        classpath 'com.novoda:gradle-static-analysis-plugin:local'
         classpath 'org.jetbrains.kotlin:kotlin-gradle-plugin:1.2.10'
     }
 }
 
 plugins {
     ${formatPlugins(project)}
-    id 'com.novoda.static-analysis'
 }
 
 apply plugin: 'kotlin'
+apply plugin: 'com.novoda.static-analysis'
 
 repositories { 
     jcenter()

plugin/src/test/groovy/com/novoda/test/TestProject.groovy

@@ -9,16 +9,25 @@ import javax.annotation.Nullable
 abstract class TestProject<T extends TestProject> {
     private static final Closure<String> EXTENSION_TEMPLATE = { TestProject project ->
         """
-staticAnalysis {
-    ${(project.penalty ?: '').replace('            ', '')}
-    ${(project.toolsConfig ?: '').replace('        ', '    ')}
-}
-${project.additionalConfiguration}
-"""
+        staticAnalysis {
+            ${(project.penalty ?: '').replace('            ', '')}
+            ${(project.toolsConfig ?: '').replace('        ', '    ')}
+        }
+        ${project.additionalConfiguration}
+        """.stripIndent()
+    }
+    private static final Closure<String> SETTINGS_GRADLE_TEMPLATE = { String projectName ->
+        """
+        rootProject.name = '$projectName'
+        includeBuild('$Fixtures.ROOT_DIR/src/test/test-plugin') {
+            dependencySubstitution {
+                substitute module('com.novoda:gradle-static-analysis-plugin') with project(':')
+            }
+        }
+        """
     }
 
     private final File projectDir
-    private final GradleRunner gradleRunner
     private final Closure<String> template
     String additionalConfiguration = ''
     Map<String, List<File>> sourceSets = [main: []]
@@ -29,11 +38,6 @@ ${project.additionalConfiguration}
     TestProject(Closure<String> template) {
         this.template = template
         this.projectDir = createProjectDir("${System.currentTimeMillis()}")
-        this.gradleRunner = GradleRunner.create()
-                .withProjectDir(projectDir)
-                .withPluginClasspath()
-                .forwardStdOutput(new OutputStreamWriter(System.out))
-                .forwardStdError(new OutputStreamWriter(System.out))
     }
 
     private static File createProjectDir(String path) {
@@ -44,87 +48,97 @@ ${project.additionalConfiguration}
     }
 
     List<String> defaultArguments() {
-        Collections.emptyList()
+        ['--stacktrace']
     }
 
-    public T withFile(File source, String path) {
+    T withFile(File source, String path) {
         write(source.text, path)
         return this
     }
 
-    public T withFile(String text, String path) {
+    T withFile(String text, String path) {
         write(text, path)
         return this
     }
 
     private void write(String text, String path) {
-        File file = new File(gradleRunner.projectDir, path)
+        File file = new File(projectDir, path)
         file.parentFile.mkdirs()
         file.text = text
     }
 
-    public T copyIntoSourceSet(String sourceSet, File srcDir) {
+    T copyIntoSourceSet(String sourceSet, File srcDir) {
         srcDir.listFiles().each {
             withFile(it, "src/${sourceSet}/java/${it.name}")
         }
         return this
     }
 
-    public T withSourceSet(String sourceSet, File... srcDirs) {
+    T withSourceSet(String sourceSet, File... srcDirs) {
         sourceSets[sourceSet] = srcDirs
         return this
     }
 
-    public T withPenalty(String penalty) {
+    T withPenalty(String penalty) {
         this.penalty = "penalty $penalty"
         return this
     }
 
-    public T withToolsConfig(String toolsConfig) {
+    T withToolsConfig(String toolsConfig) {
         this.toolsConfig = toolsConfig
         return this
     }
 
-    public T withAdditionalConfiguration(String additionalConfiguration) {
+    T withAdditionalConfiguration(String additionalConfiguration) {
         this.additionalConfiguration = additionalConfiguration
         return this
     }
 
-    public T withPlugin(String plugin, String version = null) {
+    T withPlugin(String plugin, String version = null) {
         this.plugins.add("id '$plugin' ${version ? "version '$version'" : ""}")
         return this
     }
 
 
-    public Result build(String... arguments) {
+    Result build(String... arguments) {
         BuildResult buildResult = newRunner(arguments).build()
         createResult(buildResult)
     }
 
     private GradleRunner newRunner(String... arguments) {
         new File(projectDir, 'build.gradle').text = template.call(this)
+        new File(projectDir, 'settings.gradle').text = SETTINGS_GRADLE_TEMPLATE.call(projectDir.name)
         List<String> defaultArgs = defaultArguments()
         List<String> args = new ArrayList<>(arguments.size() + defaultArgs.size())
         args.addAll(defaultArgs)
         args.addAll(arguments)
-        gradleRunner.withArguments(args)
+        return GradleRunner.create()
+                .withProjectDir(projectDir)
+                .withArguments(args)
+                .forwardOutput()
     }
 
     private createResult(BuildResult buildResult) {
         new Result(buildResult, new File(projectDir, 'build'))
     }
 
-    public Result buildAndFail(String... arguments) {
+    Result buildAndFail(String... arguments) {
         BuildResult buildResult = newRunner(arguments).buildAndFail()
         createResult(buildResult)
     }
 
-    public void deleteDir() {
-        projectDir.deleteDir()
+    void deleteDir() {
+        recursiveDelete(projectDir)
     }
 
-    String projectDir() {
-        return projectDir
+    private void recursiveDelete(File file) {
+        File[] files = file.listFiles()
+        if (files != null) {
+            for (File each : files) {
+                recursiveDelete(each)
+            }
+        }
+        file.delete()
     }
 
     protected static String formatExtension(TestProject project) {
@@ -135,7 +149,7 @@ ${project.additionalConfiguration}
         project.plugins.join('\n')
     }
 
-    public static class Result {
+    static class Result {
         private final BuildResult buildResult
         private final File buildDir
 
@@ -161,7 +175,7 @@ ${project.additionalConfiguration}
             buildResult.task(taskPath).outcome
         }
 
-        public static class Logs {
+        static class Logs {
             final String output
 
             Logs(String output) {

plugin/src/test/test-plugin/build.gradle

@@ -0,0 +1,12 @@
+apply plugin: 'groovy'
+
+sourceSets {
+    main {
+        groovy.srcDir(project.file('../../main/groovy'))
+        resources.srcDir(project.file('../../main/resources'))
+    }
+}
+
+dependencies {
+    implementation gradleApi()
+}