1 files changed, 55 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/rules/test/ExclusiveTestStrategy.java b/src/main/java/com/google/devtools/build/lib/rules/test/ExclusiveTestStrategy.java
new file mode 100644
index 0000000000..3cb575056b
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/rules/test/ExclusiveTestStrategy.java
@@ -0,0 +1,55 @@
+// Copyright 2014 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+package com.google.devtools.build.lib.rules.test;
+
+import com.google.devtools.build.lib.actions.ActionExecutionContext;
+import com.google.devtools.build.lib.actions.ExecException;
+import com.google.devtools.build.lib.actions.ExecutionStrategy;
+import com.google.devtools.build.lib.vfs.Path;
+import com.google.devtools.build.lib.view.test.TestStatus.TestResultData;
+
+import java.io.IOException;
+
+/**
+ * Test strategy wrapper called 'exclusive'. It should delegate to a test strategy for local
+ * execution. The name 'exclusive' triggers behavior it triggers behavior in
+ * SkyframeExecutor to schedule test execution sequentially after non-test actions. This
+ * ensures streamed test output is not polluted by other action output.
+ */
+@ExecutionStrategy(contextType = TestActionContext.class,
+          name = { "exclusive" })
+public class ExclusiveTestStrategy implements TestActionContext {
+  private TestActionContext parent;
+
+  public ExclusiveTestStrategy(TestActionContext parent) {
+    this.parent = parent;
+  }
+
+  @Override
+  public void exec(TestRunnerAction action,
+      ActionExecutionContext actionExecutionContext) throws ExecException, InterruptedException {
+    parent.exec(action, actionExecutionContext);
+  }
+
+  @Override
+  public TestResult newCachedTestResult(
+      Path execRoot, TestRunnerAction action, TestResultData cached) throws IOException {
+    return parent.newCachedTestResult(execRoot, action, cached);
+  }
+
+  @Override
+  public String strategyLocality(TestRunnerAction testRunnerAction) {
+    return "exclusive";
+  }
+}