diff --git a/policy_manager/fake_random_provider.h b/policy_manager/fake_random_provider.h
new file mode 100644
index 0000000..b2d85e3
--- /dev/null
+++ b/policy_manager/fake_random_provider.h
@@ -0,0 +1,27 @@
+// Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROMEOS_PLATFORM_UPDATE_ENGINE_POLICY_MANAGER_FAKE_RANDOM_PROVIDER_H
+#define CHROMEOS_PLATFORM_UPDATE_ENGINE_POLICY_MANAGER_FAKE_RANDOM_PROVIDER_H
+
+#include "policy_manager/fake_variable.h"
+#include "policy_manager/random_provider.h"
+
+namespace chromeos_policy_manager {
+
+// Fake implementation of the RandomProvider base class.
+class FakeRandomProvider : public RandomProvider {
+ protected:
+  virtual bool DoInit() {
+    seed_.reset(new FakeVariable<uint64_t>("random_seed"));
+    return true;
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(FakeRandomProvider);
+};
+
+}  // namespace chromeos_policy_manager
+
+#endif  // CHROMEOS_PLATFORM_UPDATE_ENGINE_POLICY_MANAGER_FAKE_RANDOM_PROVIDER_H
diff --git a/policy_manager/fake_variable.h b/policy_manager/fake_variable.h
new file mode 100644
index 0000000..9d349b6
--- /dev/null
+++ b/policy_manager/fake_variable.h
@@ -0,0 +1,50 @@
+// Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROMEOS_PLATFORM_UPDATE_ENGINE_POLICY_MANAGER_FAKE_VARIABLE_H
+#define CHROMEOS_PLATFORM_UPDATE_ENGINE_POLICY_MANAGER_FAKE_VARIABLE_H
+
+#include <base/memory/scoped_ptr.h>
+
+#include "policy_manager/variable.h"
+
+namespace chromeos_policy_manager {
+
+// A fake typed variable to use while testing policy implementations. The
+// variable can be instructed to return any object of its type.
+template<typename T>
+class FakeVariable : public Variable<T> {
+ public:
+  explicit FakeVariable(const std::string& name) : Variable<T>(name) {}
+  virtual ~FakeVariable() {}
+
+  // Sets the next value of this variable to the passed |p_value| pointer. Once
+  // returned by GetValue(), the pointer is released and has to be set again.
+  // A value of NULL means that the GetValue() call will fail and return NULL.
+  void reset(const T* p_value) {
+    ptr_.reset(p_value);
+  }
+
+ protected:
+  // Variable<T> overrides.
+  // Returns the pointer set with reset(). The ownership of the object is passed
+  // to the caller and the pointer is release from the FakeVariable. A second
+  // call to GetValue() without reset() will return NULL and set the error
+  // message.
+  virtual const T* GetValue(base::TimeDelta /* timeout */,
+                            std::string* errmsg) {
+    if (ptr_ == NULL && errmsg != NULL)
+      *errmsg = this->GetName() + " is an empty FakeVariable";
+    // Passes the pointer ownership to the caller.
+    return ptr_.release();
+  }
+
+ private:
+  // The pointer returned by GetValue().
+  scoped_ptr<const T> ptr_;
+};
+
+}  // namespace chromeos_policy_manager
+
+#endif  // CHROMEOS_PLATFORM_UPDATE_ENGINE_POLICY_MANAGER_FAKE_VARIABLE_H