diff --git a/tests/unit/src/com/android/settings/network/ims/MockWfcQueryImsState.java b/tests/unit/src/com/android/settings/network/ims/MockWfcQueryImsState.java
new file mode 100644
index 00000000000..096084f63d5
--- /dev/null
+++ b/tests/unit/src/com/android/settings/network/ims/MockWfcQueryImsState.java
@@ -0,0 +1,107 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * 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.android.settings.network.ims;
+
+import android.content.Context;
+import android.telephony.ims.ImsException;
+
+/**
+ * Controller class for mock Wifi calling status for unit tests, copied it from
+ * {@link MockWifiCallingQueryImsState} which is existed in robotests.
+ */
+public class MockWfcQueryImsState extends WifiCallingQueryImsState {
+
+    private Boolean mIsTtyOnVolteEnabled;
+    private Boolean mIsEnabledOnPlatform;
+    private Boolean mIsProvisionedOnDevice;
+    private Boolean mIsServiceStateReady;
+    private Boolean mIsEnabledByUser;
+
+    /**
+     * Constructor
+     *
+     * @param context {@code Context}
+     * @param subId subscription's id
+     */
+    public MockWfcQueryImsState(Context context, int subId) {
+        super(context, subId);
+    }
+
+    public void setIsTtyOnVolteEnabled(boolean enabled) {
+        mIsTtyOnVolteEnabled = enabled;
+    }
+
+    @Override
+    boolean isTtyOnVolteEnabled(int subId) {
+        if (mIsTtyOnVolteEnabled != null) {
+            return mIsTtyOnVolteEnabled;
+        }
+        return super.isTtyOnVolteEnabled(subId);
+    }
+
+
+    public void setIsEnabledByPlatform(boolean isEnabled) {
+        mIsEnabledOnPlatform = isEnabled;
+    }
+
+    @Override
+    boolean isEnabledByPlatform(int subId) throws InterruptedException, ImsException,
+            IllegalArgumentException {
+        if (mIsEnabledOnPlatform != null) {
+            return mIsEnabledOnPlatform;
+        }
+        return super.isEnabledByPlatform(subId);
+    }
+
+    public void setIsProvisionedOnDevice(boolean isProvisioned) {
+        mIsProvisionedOnDevice = isProvisioned;
+    }
+
+    @Override
+    boolean isProvisionedOnDevice(int subId) {
+        if (mIsProvisionedOnDevice != null) {
+            return mIsProvisionedOnDevice;
+        }
+        return super.isProvisionedOnDevice(subId);
+    }
+
+    public void setServiceStateReady(boolean isReady) {
+        mIsServiceStateReady = isReady;
+    }
+
+    @Override
+    public boolean isServiceStateReady(int subId) throws InterruptedException, ImsException,
+            IllegalArgumentException {
+        if (mIsServiceStateReady != null) {
+            return mIsServiceStateReady;
+        }
+        return super.isServiceStateReady(subId);
+    }
+
+    public void setIsEnabledByUser(boolean enabled) {
+        mIsEnabledByUser = enabled;
+    }
+
+    @Override
+    boolean isEnabledByUser(int subId) {
+        if (mIsEnabledByUser != null) {
+            return mIsEnabledByUser;
+        }
+        return super.isEnabledByUser(subId);
+    }
+
+}