feat(codec-selection) Add tests for codec selection.

src/test/java/org/jitsi/meet/test/CodecSelectionTest.java

@@ -0,0 +1,203 @@
+/*
+ * Copyright @ 8x8, Inc.
+ *
+ * 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 org.jitsi.meet.test;
+
+import org.jitsi.meet.test.base.*;
+import org.jitsi.meet.test.util.*;
+import org.jitsi.meet.test.web.*;
+
+import org.openqa.selenium.*;
+import org.openqa.selenium.support.ui.*;
+import org.testng.*;
+import org.testng.annotations.*;
+
+import java.time.*;
+import java.util.*;
+
+import static org.testng.Assert.*;
+import static org.jitsi.meet.test.util.TestUtils.*;
+
+/**
+ * Tests for codec selection mechanism.
+ *
+ * @author Jaya Allamsetty
+ */
+public class CodecSelectionTest
+    extends WebTestBase
+{
+    @Override
+    public void setupClass()
+    {
+        super.setupClass();
+    }
+
+    /**
+     * Test asymmetric codecs.
+     */
+    @Test
+    public void testAsymmetricCodecs()
+    {
+        ensureOneParticipant(getJitsiMeetUrl());
+        WebParticipant participant1 = getParticipant1();
+
+        WebParticipant participant2 = joinSecondParticipant(getJitsiMeetUrl()
+            .appendConfig("config.videoQuality.codecPreferenceOrder=[ 'VP8', 'VP9', 'AV1' ]"));
+        participant2.waitToJoinMUC();
+        participant2.waitForIceConnected();
+        participant2.waitForSendReceiveData(true, true);
+
+        // Check if media is playing on both endpoints.
+        TestUtils.waitForBoolean(participant1.getDriver(),
+            "return JitsiMeetJS.app.testing.isLargeVideoReceived();",
+            10);
+        TestUtils.waitForBoolean(participant2.getDriver(),
+            "return JitsiMeetJS.app.testing.isLargeVideoReceived();",
+            10);
+
+        // Check if p1 is sending VP9 and p2 is sending VP8 as per their codec preferences.
+        // Except on Firefox because it doesn't support VP9 encode.
+        if (participant1.getType().isFirefox())
+        {
+            TestUtils.waitForBoolean(participant1.getDriver(),
+            "return JitsiMeetJS.app.testing.isLocalCameraEncodingVp8();",
+            10);
+        } 
+        else
+        {
+            TestUtils.waitForBoolean(participant1.getDriver(),
+            "return JitsiMeetJS.app.testing.isLocalCameraEncodingVp9();",
+            10);
+        }
+
+        TestUtils.waitForBoolean(participant2.getDriver(),
+            "return JitsiMeetJS.app.testing.isLocalCameraEncodingVp8();",
+            10);
+    }
+
+    /**
+     * Test asymmetric codecs with Av1.
+     */
+    @Test (dependsOnMethods = { "testAsymmetricCodecs" })
+    public void testAsymmetricCodecsWithAv1()
+    {
+        WebParticipant participant1 = getParticipant1();
+        WebParticipant participant2 = getParticipant2();
+
+        JitsiMeetUrl url = getJitsiMeetUrl()
+            .appendConfig("config.videoQuality.codecPreferenceOrder=[ 'AV1', 'VP9', 'VP8' ]");
+
+        WebParticipant participant3 = joinThirdParticipant(url, null);
+        participant3.waitToJoinMUC();
+        participant3.waitForIceConnected();
+        participant3.waitForSendReceiveData(true, true);
+
+
+        // Check if media is playing on p3.
+        TestUtils.waitForBoolean(participant3.getDriver(),
+            "return JitsiMeetJS.app.testing.isLargeVideoReceived();",
+            10);
+
+        // Check if p1 is encoding in VP9, p2 in VP8 and p3 in AV1 as per their codec preferences.
+        // Except on Firefox because it doesn't support AV1/VP9 encode and AV1 decode.
+        if (participant1.getType().isFirefox())
+        {
+            TestUtils.waitForBoolean(participant1.getDriver(),
+            "return JitsiMeetJS.app.testing.isLocalCameraEncodingVp8();",
+            10);
+        } 
+        else
+        {
+            TestUtils.waitForBoolean(participant1.getDriver(),
+            "return JitsiMeetJS.app.testing.isLocalCameraEncodingVp9();",
+            10);
+        }
+
+        TestUtils.waitForBoolean(participant2.getDriver(),
+            "return JitsiMeetJS.app.testing.isLocalCameraEncodingVp8();",
+            10);
+
+        // If there is a Firefox ep in the call, all other eps will switch to VP9.
+        if (participant1.getType().isFirefox())
+        {
+            TestUtils.waitForBoolean(participant3.getDriver(),
+            "return JitsiMeetJS.app.testing.isLocalCameraEncodingVp9();",
+            10);
+        }
+        else
+        {
+            TestUtils.waitForBoolean(participant3.getDriver(),
+            "return JitsiMeetJS.app.testing.isLocalCameraEncodingAv1();",
+            10);
+        }
+    }
+
+    /**
+     * Test codec switchover and back when a participant that supports only a subset of codecs joins and leaves the
+     * call.
+     */
+    @Test (dependsOnMethods = { "testAsymmetricCodecsWithAv1" })
+    public void testCodecSwitchOver()
+    {
+        hangUpAllParticipants();
+
+        ensureTwoParticipants();
+        WebParticipant participant1 = getParticipant1();
+        WebParticipant participant2 = getParticipant2();
+
+        // Disable this test on Firefox because it doesn't support VP9 encode.
+        if (participant1.getType().isFirefox())
+        {
+            return;
+        }
+
+        // Check if p1 and p2 are encoding in VP9 which is the default codec.
+        TestUtils.waitForBoolean(participant1.getDriver(),
+            "return JitsiMeetJS.app.testing.isLocalCameraEncodingVp9();",
+            10);
+        TestUtils.waitForBoolean(participant2.getDriver(),
+            "return JitsiMeetJS.app.testing.isLocalCameraEncodingVp9();",
+            10);
+
+        JitsiMeetUrl url = getJitsiMeetUrl()
+            .appendConfig("config.videoQuality.codecPreferenceOrder=[ 'VP8' ]");
+
+        WebParticipant participant3 = joinThirdParticipant(url, null);
+        participant3.waitToJoinMUC();
+        participant3.waitForIceConnected();
+        participant3.waitForSendReceiveData(true, true);
+
+        // Check if all three participants are encoding in VP8 now.
+        TestUtils.waitForBoolean(participant1.getDriver(),
+            "return JitsiMeetJS.app.testing.isLocalCameraEncodingVp8();",
+            10);
+        TestUtils.waitForBoolean(participant2.getDriver(),
+            "return JitsiMeetJS.app.testing.isLocalCameraEncodingVp8();",
+            10);
+        TestUtils.waitForBoolean(participant3.getDriver(),
+            "return JitsiMeetJS.app.testing.isLocalCameraEncodingVp8();",
+            10);
+
+        participant3.hangUp();
+
+        // Check of p1 and p2 have switched to VP9.
+        TestUtils.waitForBoolean(participant1.getDriver(),
+            "return JitsiMeetJS.app.testing.isLocalCameraEncodingVp9();",
+            10);
+        TestUtils.waitForBoolean(participant2.getDriver(),
+            "return JitsiMeetJS.app.testing.isLocalCameraEncodingVp9();",
+            10);
+    }
+}

src/test/resources/desktop/testng.xml

@@ -56,6 +56,11 @@
             <class name="org.jitsi.meet.test.ConnectionTimeTest" />
         </classes>
     </test>-->
+    <test name="CodecSelectionTest">
+        <classes>
+            <class name="org.jitsi.meet.test.CodecSelectionTest" />
+        </classes>
+    </test>
     <test name="DataChannelTest">
         <classes>
             <class name="org.jitsi.meet.test.DataChannelTest" />