Merge "Add unit tests for program info extension" into main

2 files changed, 94 insertions, 0 deletions

diff --git a/car-broadcastradio-support/tests/Android.bp b/car-broadcastradio-support/tests/Android.bp
index b6ee8aa..738dc77 100644
--- a/car-broadcastradio-support/tests/Android.bp
+++ b/car-broadcastradio-support/tests/Android.bp
@@ -21,6 +21,7 @@ package {
 
 android_test {
     name: "CarBroadcastRadioSupportTests",
+    platform_apis: true,
     srcs: ["src/**/*.java"],
     static_libs: [
         "car-broadcastradio-support",
diff --git a/car-broadcastradio-support/tests/src/com/android/car/broadcastradio/support/platform/ProgramInfoExtTest.java b/car-broadcastradio-support/tests/src/com/android/car/broadcastradio/support/platform/ProgramInfoExtTest.java
new file mode 100644
index 0000000..2296050
--- /dev/null
+++ b/car-broadcastradio-support/tests/src/com/android/car/broadcastradio/support/platform/ProgramInfoExtTest.java
@@ -0,0 +1,93 @@
+/**
+ * Copyright (C) 2024 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.car.broadcastradio.support.platform;
+
+import android.hardware.radio.ProgramSelector;
+import android.hardware.radio.RadioManager;
+import android.hardware.radio.RadioMetadata;
+
+import com.google.common.truth.Expect;
+
+import org.junit.Rule;
+import org.junit.Test;
+
+import java.util.Comparator;
+
+public final class ProgramInfoExtTest {
+
+    private static final long FM_FREQUENCY = 88_500;
+    private static final String RDS_VALUE = "TestRds";
+    private static final String PROGRAM_NAME_VALUE = "TestProgramName";
+    private static final String TITLE_VALUE = "TestTitle";
+    private static final String ARTIST_VALUE = "TestArtist";
+    private static final String ALBUM_VALUE = "TestAlbum";
+    private static final ProgramSelector.Identifier FM_IDENTIFIER = new ProgramSelector.Identifier(
+            ProgramSelector.IDENTIFIER_TYPE_AMFM_FREQUENCY, FM_FREQUENCY);
+    private static final ProgramSelector FM_SELECTOR = new ProgramSelector(
+            ProgramSelector.PROGRAM_TYPE_FM, FM_IDENTIFIER, /* secondaryIds= */ null,
+            /* vendorIds= */ null);
+    private static final RadioMetadata RADIO_METADATA = new RadioMetadata.Builder()
+            .putString(RadioMetadata.METADATA_KEY_RDS_PS, RDS_VALUE)
+            .putString(RadioMetadata.METADATA_KEY_PROGRAM_NAME, PROGRAM_NAME_VALUE)
+            .putString(RadioMetadata.METADATA_KEY_TITLE, TITLE_VALUE)
+            .putString(RadioMetadata.METADATA_KEY_ARTIST, ARTIST_VALUE)
+            .putString(RadioMetadata.METADATA_KEY_ALBUM, ALBUM_VALUE).build();
+    private static final RadioMetadata EMPTY_RADIO_METADATA = new RadioMetadata.Builder().build();
+    private static final RadioManager.ProgramInfo FM_INFO = new RadioManager.ProgramInfo(
+            FM_SELECTOR, FM_IDENTIFIER, FM_IDENTIFIER, /* relatedContents= */ null,
+            /* infoFlags= */ 0, /* signalQuality= */ 1, RADIO_METADATA,
+            /* vendorInfo= */ null);
+
+    private static final Comparator<ProgramSelector> SELECTOR_COMPARATOR =
+            new ProgramSelectorExt.ProgramSelectorComparator();
+    private static final Comparator<RadioManager.ProgramInfo> PROGRAM_INFO_COMPARATOR =
+            new ProgramInfoExt.ProgramInfoComparator();
+
+    @Rule
+    public final Expect mExpect = Expect.create();
+
+    @Test
+    public void getMetadata() {
+        mExpect.withMessage("FM radio metadata")
+                .that(ProgramInfoExt.getMetadata(FM_INFO)).isEqualTo(RADIO_METADATA);
+    }
+
+    @Test
+    public void getMetadata_withNullMetadata() {
+        RadioManager.ProgramInfo infoWithNullMetadata = new RadioManager.ProgramInfo(
+                FM_SELECTOR, FM_IDENTIFIER, FM_IDENTIFIER, /* relatedContents= */ null,
+                /* infoFlags= */ 0, /* signalQuality= */ 1, /* metadata= */ null,
+                /* vendorInfo= */ null);
+
+        mExpect.withMessage("FM radio metadata with null metadata")
+                .that(ProgramInfoExt.getMetadata(infoWithNullMetadata))
+                .isEqualTo(EMPTY_RADIO_METADATA);
+    }
+
+    @Test
+    public void compare_withSelectorsOfDifferentTypes() {
+        ProgramSelector fmSel2 = ProgramSelectorExt.createAmFmSelector(FM_FREQUENCY + 200);
+        RadioManager.ProgramInfo fmInfo2 = new RadioManager.ProgramInfo(fmSel2,
+                fmSel2.getPrimaryId(), fmSel2.getPrimaryId(), /* relatedContents= */ null,
+                /* infoFlags= */ 1, /* signalQuality= */ 0, new RadioMetadata.Builder().build(),
+                /* vendorInfo= */ null);
+        int expectedResult = SELECTOR_COMPARATOR.compare(fmSel2, FM_SELECTOR);
+
+        mExpect.withMessage("Comparison between FM stations")
+                .that(PROGRAM_INFO_COMPARATOR.compare(fmInfo2, FM_INFO)).isEqualTo(expectedResult);
+    }
+}