Support annotation-based declaration of target plugin and gradle version

in gradle importing tests

idea/idea-gradle/tests/org/jetbrains/kotlin/idea/codeInsight/gradle/MultiplePluginVersionGradleImportingTestCase.kt

@@ -11,36 +11,54 @@ package org.jetbrains.kotlin.idea.codeInsight.gradle
 
 import com.intellij.openapi.project.Project
 import com.intellij.openapi.vfs.VirtualFile
+import org.junit.Rule
 import org.junit.runners.Parameterized
 import java.util.*
 
 abstract class MultiplePluginVersionGradleImportingTestCase : GradleImportingTestCase() {
+    @Rule
+    @JvmField
+    var pluginVersionMatchingRule = PluginTargetVersionsRule()
+
     val project: Project
         get() = myProject
 
+
+    override fun isApplicableTest(): Boolean {
+        return pluginVersionMatchingRule.matches(
+            gradleVersion, gradleKotlinPluginVersion,
+            gradleKotlinPluginVersionType == LATEST_SUPPORTED_VERSION
+        )
+    }
+
     @JvmField
     @Parameterized.Parameter(1)
-    var gradleKotlinPluginVersion: String = MINIMAL_SUPPORTED_VERSION
+    var gradleKotlinPluginVersionType: String = MINIMAL_SUPPORTED_VERSION
+
+    val gradleKotlinPluginVersion: String
+        get() = KOTLIN_GRADLE_PLUGIN_VERSION_DESCRIPTION_TO_VERSION[gradleKotlinPluginVersionType] ?: gradleKotlinPluginVersion
 
     companion object {
         const val MINIMAL_SUPPORTED_VERSION = "minimal"// minimal supported version
-        private val KOTLIN_GRADLE_PLUGIN_VERSIONS = listOf(MINIMAL_SUPPORTED_VERSION, "1.3.50")
+        const val LATEST_STABLE_VERSUON = "latest stable"
+        const val LATEST_SUPPORTED_VERSION = "master"// gradle plugin from current build
+        private val KOTLIN_GRADLE_PLUGIN_VERSIONS = listOf(MINIMAL_SUPPORTED_VERSION, LATEST_STABLE_VERSUON, LATEST_SUPPORTED_VERSION)
+        private val KOTLIN_GRADLE_PLUGIN_VERSION_DESCRIPTION_TO_VERSION = mapOf(
+            MINIMAL_SUPPORTED_VERSION to MINIMAL_SUPPORTED_GRADLE_PLUGIN_VERSION,
+            LATEST_STABLE_VERSUON to LATEST_STABLE_GRADLE_PLUGIN_VERSION,
+            LATEST_SUPPORTED_VERSION to "master"
+        )
 
         @JvmStatic
         @Parameterized.Parameters(name = "{index}: Gradle-{0}, KotlinGradlePlugin-{1}")
         fun data(): Collection<Array<Any>> {
             return AbstractModelBuilderTest.SUPPORTED_GRADLE_VERSIONS.flatMap { gradleVersion ->
-                if ((gradleVersion[0] as String).startsWith("3.")) {
-                    listOf(arrayOf<Any>(gradleVersion[0], MINIMAL_SUPPORTED_VERSION))
-                } else {
-                    KOTLIN_GRADLE_PLUGIN_VERSIONS.map { kotlinVersion ->
-                        arrayOf<Any>(
-                            gradleVersion[0],
-                            kotlinVersion
-                        )
-                    }
+                KOTLIN_GRADLE_PLUGIN_VERSIONS.map { kotlinVersion ->
+                    arrayOf<Any>(
+                        gradleVersion[0],
+                        kotlinVersion
+                    )
                 }
-
             }.toList()
         }
     }

idea/idea-gradle/tests/org/jetbrains/kotlin/idea/codeInsight/gradle/PluginTargetVersionsRule.java

@@ -0,0 +1,74 @@
+/*
+ * Copyright 2010-2019 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+package org.jetbrains.kotlin.idea.codeInsight.gradle;
+
+import org.gradle.util.GradleVersion;
+import org.hamcrest.CustomMatcher;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.jetbrains.plugins.gradle.tooling.annotation.PluginTargetVersions;
+import org.jetbrains.plugins.gradle.tooling.annotation.TargetVersions;
+import org.jetbrains.plugins.gradle.tooling.util.VersionMatcher;
+import org.junit.rules.TestWatcher;
+import org.junit.runner.Description;
+import java.lang.annotation.Annotation;
+
+// modified copy of org.jetbrains.plugins.gradle.tooling.VersionMatcherRule
+public class PluginTargetVersionsRule extends TestWatcher {
+
+    private class TargetVersionsImpl implements TargetVersions {
+        private final String value;
+
+        TargetVersionsImpl(String value) {
+            this.value = value;
+        }
+
+        @Override
+        public String value() {
+            return value;
+        }
+
+        @Override
+        public boolean checkBaseVersions() {
+            return true;
+        }
+
+        @Override
+        public Class<? extends Annotation> annotationType() {
+            return null;
+        }
+    }
+
+
+    @Nullable
+    private CustomMatcher gradleVersionMatcher;
+
+    @Nullable
+    private CustomMatcher pluginVersionMatcher;
+
+
+    @NotNull
+    public boolean matches(String gradleVersion, String pluginVersion, boolean isLatestPluginVersion) {
+        boolean matchGradleVersion = gradleVersionMatcher == null || gradleVersionMatcher.matches(gradleVersion);
+        if (isLatestPluginVersion) {
+            return matchGradleVersion;
+        }
+        boolean pluginVersionMatches = pluginVersionMatcher == null || pluginVersionMatcher.matches(pluginVersion);
+        return matchGradleVersion && pluginVersionMatches;
+    }
+
+    @Override
+    protected void starting(Description d) {
+        final PluginTargetVersions pluginTargetVersions = d.getAnnotation(PluginTargetVersions.class);
+        if (d.getAnnotation(TargetVersions.class) != null && pluginTargetVersions != null) {
+            throw new IllegalArgumentException(String.format("Annotations %s and %s could not be used together. ",
+                                                             TargetVersions.class.getName(), PluginTargetVersions.class.getName()));
+        }
+        if (pluginTargetVersions == null) return;
+
+        gradleVersionMatcher = VersionMatcherRule.produceMatcher("Gradle", new TargetVersionsImpl(pluginTargetVersions.gradleVersion()));
+        pluginVersionMatcher = VersionMatcherRule.produceMatcher("Plugin", new TargetVersionsImpl(pluginTargetVersions.pluginVersion()));
+    }
+}

idea/idea-gradle/tests/org/jetbrains/kotlin/idea/codeInsight/gradle/VersionMatcherRule.java

@@ -42,7 +42,11 @@ public class VersionMatcherRule extends TestWatcher {
         final TargetVersions targetVersions = d.getAnnotation(TargetVersions.class);
         if (targetVersions == null) return;
 
-        myMatcher = new CustomMatcher<String>("Gradle version '" + targetVersions.value() + "'") {
+        myMatcher = produceMatcher("Gradle", targetVersions);
+    }
+
+    public static CustomMatcher<String> produceMatcher(String caption, TargetVersions targetVersions) {
+        return new CustomMatcher<String>(caption + " version '" + targetVersions.value() + "'") {
             @Override
             public boolean matches(Object item) {
                 return item instanceof String && new VersionMatcher(GradleVersion.version(item.toString())).isVersionMatch(targetVersions);

idea/idea-gradle/tests/org/jetbrains/plugins/gradle/tooling/annotation/PluginTargetVersions.java

@@ -0,0 +1,18 @@
+/*
+ * Copyright 2010-2019 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.plugins.gradle.tooling.annotation;
+
+
+import java.lang.annotation.*;
+
+@Retention(RetentionPolicy.RUNTIME)
+@Target({ElementType.TYPE, ElementType.METHOD})
+public @interface PluginTargetVersions {
+
+    String gradleVersion();
+
+    String pluginVersion();
+}