Add TestCreators to Generate popup (GO-5889)

platform/lang-impl/src/com/intellij/testIntegration/GenerateFromTestCreatorsGroup.java

@@ -0,0 +1,54 @@
+// Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+package com.intellij.testIntegration;
+
+import com.intellij.navigation.ItemPresentation;
+import com.intellij.openapi.actionSystem.*;
+import com.intellij.openapi.editor.Editor;
+import com.intellij.openapi.project.DumbService;
+import com.intellij.openapi.project.Project;
+import com.intellij.psi.PsiFile;
+import com.intellij.util.ObjectUtils;
+import com.intellij.util.containers.ContainerUtil;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.List;
+
+public class GenerateFromTestCreatorsGroup extends ActionGroup {
+  @NotNull
+  @Override
+  public AnAction[] getChildren(@Nullable AnActionEvent e) {
+    if (e == null) {
+      return AnAction.EMPTY_ARRAY;
+    }
+    Project project = e.getData(CommonDataKeys.PROJECT);
+    PsiFile file = e.getData(CommonDataKeys.PSI_FILE);
+    Editor editor = e.getData(CommonDataKeys.EDITOR);
+    if (project == null || file == null) {
+      return AnAction.EMPTY_ARRAY;
+    }
+    List<AnAction> result = ContainerUtil.newSmartList();
+    for (TestCreator creator : LanguageTestCreators.INSTANCE.allForLanguage(file.getLanguage())) {
+      result.add(new AnAction() {
+        @Override
+        public void actionPerformed(@NotNull AnActionEvent e) {
+          creator.createTest(project, editor, file);
+        }
+
+        @Override
+        public void update(@NotNull AnActionEvent e) {
+          String text = creator instanceof ItemPresentation ? ((ItemPresentation)creator).getPresentableText() : null;
+          Presentation presentation = e.getPresentation();
+          presentation.setText(ObjectUtils.notNull(text, "New Test..."));
+          presentation.setEnabledAndVisible(creator.isAvailable(project, editor, file));
+        }
+
+        @Override
+        public boolean isDumbAware() {
+          return DumbService.isDumbAware(creator);
+        }
+      });
+    }
+    return result.toArray(AnAction.EMPTY_ARRAY);
+  }
+}

platform/platform-resources/src/idea/LangActions.xml

@@ -35,6 +35,7 @@
       <action id="ImplementMethods" class="com.intellij.codeInsight.generation.actions.ImplementMethodsAction"/>
       <action id="DelegateMethods" class="com.intellij.codeInsight.generation.actions.DelegateMethodsAction"/>
       <action id="GeneratePattern" class="com.intellij.codeInsight.generation.GenerateByPatternAction" text="Generate by Pattern..."/>
+      <group id="GenerateFromTestCreatorsGroup" class="com.intellij.testIntegration.GenerateFromTestCreatorsGroup"/>
     </group>
 
     <action id="ShowIntentionActions" class="com.intellij.codeInsight.intention.actions.ShowIntentionActionsAction"/>