[CEC Configuration] Add a fake HdmiCecConfig class for testing

Bug: 166426337 Test: atest HdmiCecLocalDevicePlaybackTest Change-Id: I1b3f869d51a093cf1725ba92c18ef0f4862dbb1c
2020-11-06 15:01:13 +01:00
parent fcfdd08bdc
commit 87e764089e
1 changed files with 69 additions and 0 deletions
--- a/services/tests/servicestests/src/com/android/server/hdmi/FakeHdmiCecConfig.java
+++ b/services/tests/servicestests/src/com/android/server/hdmi/FakeHdmiCecConfig.java
@@ -0,0 +1,69 @@
+/*
+ * 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.server.hdmi;
+
+import android.annotation.NonNull;
+import android.content.Context;
+import android.util.Slog;
+
+import com.android.server.hdmi.cec.config.CecSettings;
+import com.android.server.hdmi.cec.config.XmlParser;
+
+import org.xmlpull.v1.XmlPullParserException;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+
+import javax.xml.datatype.DatatypeConfigurationException;
+
+/**
+ *  Fake class which loads default system configuration with user-configurable
+ *  settings (useful for testing).
+ */
+final class FakeHdmiCecConfig extends HdmiCecConfig {
+    private static final String TAG = "FakeHdmiCecConfig";
+
+    private static final String SYSTEM_CONFIG_XML =
+            "<?xml version='1.0' encoding='utf-8' standalone='yes' ?>"
+                  + "<cec-settings>"
+                  + "  <setting name=\"send_standby_on_sleep\""
+                  + "           value-type=\"string\""
+                  + "           user-configurable=\"true\">"
+                  + "    <allowed-values>"
+                  + "      <value string-value=\"to_tv\" />"
+                  + "      <value string-value=\"broadcast\" />"
+                  + "      <value string-value=\"none\" />"
+                  + "    </allowed-values>"
+                  + "    <default-value string-value=\"to_tv\" />"
+                  + "  </setting>"
+                  + "</cec-settings>";
+
+    FakeHdmiCecConfig(@NonNull Context context) {
+        super(context, new StorageAdapter(), parseFromString(SYSTEM_CONFIG_XML), null);
+    }
+
+    private static CecSettings parseFromString(@NonNull String configXml) {
+        CecSettings config = null;
+        try {
+            config = XmlParser.read(
+                    new ByteArrayInputStream(configXml.getBytes()));
+        } catch (IOException | DatatypeConfigurationException | XmlPullParserException e) {
+            Slog.e(TAG, "Encountered an error while reading/parsing CEC config strings", e);
+        }
+        return config;
+    }
+}