1 files changed, 42 insertions, 0 deletions
diff --git a/src/test/java/com/google/devtools/build/lib/actions/util/ActionCacheTestHelper.java b/src/test/java/com/google/devtools/build/lib/actions/util/ActionCacheTestHelper.java
new file mode 100644
index 0000000000..1db024937d
--- /dev/null
+++ b/src/test/java/com/google/devtools/build/lib/actions/util/ActionCacheTestHelper.java
@@ -0,0 +1,42 @@
+// Copyright 2015 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.actions.util;
+
+import com.google.devtools.build.lib.actions.cache.ActionCache;
+
+import java.io.PrintStream;
+
+/**
+ * Utilities for tests that use the action cache.
+ */
+public class ActionCacheTestHelper {
+  private ActionCacheTestHelper() {}
+
+  /** A cache which does not remember anything.  Causes perpetual rebuilds! */
+  public static final ActionCache AMNESIAC_CACHE =
+    new ActionCache() {
+      @Override
+      public void put(String fingerprint, Entry entry) {}
+      @Override
+      public Entry get(String fingerprint) { return null; }
+      @Override
+      public void remove(String key) {}
+      @Override
+      public Entry createEntry(String key) { return new ActionCache.Entry(key); }
+      @Override
+      public long save() { return -1; }
+      @Override
+      public void dump(PrintStream out) { }
+    };
+}