Test adding/removing of audio input/output to QMediaCaptureSession

Change-Id: I0202888e436321b1342056d4daac463d1d64a3e3
Reviewed-by: Lars Knoll <lars.knoll@qt.io>

3 files changed, 153 insertions, 0 deletions

diff --git a/tests/auto/integration/CMakeLists.txt b/tests/auto/integration/CMakeLists.txt
index f6d202fee..cf764f6dc 100644
--- a/tests/auto/integration/CMakeLists.txt
+++ b/tests/auto/integration/CMakeLists.txt
@@ -5,6 +5,7 @@ add_subdirectory(qaudiodecoderbackend)
 add_subdirectory(qaudiodevice)
 add_subdirectory(qaudiosource)
 add_subdirectory(qaudiosink)
+add_subdirectory(qmediacapturesession)
 add_subdirectory(qmediaplayerbackend)
 add_subdirectory(qsoundeffect)
 if(TARGET Qt::Widgets)
diff --git a/tests/auto/integration/qmediacapturesession/CMakeLists.txt b/tests/auto/integration/qmediacapturesession/CMakeLists.txt
new file mode 100644
index 000000000..f8966d577
--- /dev/null
+++ b/tests/auto/integration/qmediacapturesession/CMakeLists.txt
@@ -0,0 +1,13 @@
+# Generated from qcamerabackend.pro.
+
+#####################################################################
+## tst_qcamerabackend Test:
+#####################################################################
+
+qt_internal_add_test(tst_qmediacapturesession
+    SOURCES
+        tst_qmediacapturesession.cpp
+    PUBLIC_LIBRARIES
+        Qt::Gui
+        Qt::MultimediaPrivate
+)
diff --git a/tests/auto/integration/qmediacapturesession/tst_qmediacapturesession.cpp b/tests/auto/integration/qmediacapturesession/tst_qmediacapturesession.cpp
new file mode 100644
index 000000000..563f7c9cd
--- /dev/null
+++ b/tests/auto/integration/qmediacapturesession/tst_qmediacapturesession.cpp
@@ -0,0 +1,139 @@
+/****************************************************************************
+**
+** Copyright (C) 2021 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//TESTED_COMPONENT=src/multimedia
+
+#include <QtTest/QtTest>
+#include <QtGui/QImageReader>
+#include <QtCore/qurl.h>
+#include <QDebug>
+#include <QVideoSink>
+
+#include <qcamera.h>
+#include <qcameradevice.h>
+#include <qimagecapture.h>
+#include <qmediacapturesession.h>
+#include <qmediadevices.h>
+#include <qmediarecorder.h>
+#include <qaudiooutput.h>
+#include <qaudioinput.h>
+#include <qaudiodevice.h>
+
+
+QT_USE_NAMESPACE
+
+/*
+ This is the backend conformance test.
+
+ Since it relies on platform media framework and sound hardware
+ it may be less stable.
+*/
+
+class tst_QMediaCaptureSession: public QObject
+{
+    Q_OBJECT
+
+private slots:
+    void testAudioInputAddRemove();
+    void testAudioInputAddRemoveDuringRecording();
+};
+
+void tst_QMediaCaptureSession::testAudioInputAddRemove()
+{
+    QAudioInput input;
+    if (input.device().isNull())
+        QSKIP("No audio input available");
+
+    QMediaCaptureSession session;
+    QSignalSpy audioInputChanged(&session, SIGNAL(audioInputChanged()));
+    QSignalSpy audioOutputChanged(&session, SIGNAL(audioOutputChanged()));
+
+    session.setAudioInput(&input);
+    QTRY_COMPARE(audioInputChanged.count(), 1);
+    session.setAudioInput(nullptr);
+    QTRY_COMPARE(audioInputChanged.count(), 2);
+
+    QAudioOutput output;
+    if (output.device().isNull())
+        return;
+
+    session.setAudioOutput(&output);
+    QTRY_COMPARE(audioOutputChanged.count(), 1);
+
+    session.setAudioInput(&input);
+    QTRY_COMPARE(audioInputChanged.count(), 3);
+
+    session.setAudioOutput(nullptr);
+    QTRY_COMPARE(audioOutputChanged.count(), 2);
+
+    session.setAudioInput(nullptr);
+    QTRY_COMPARE(audioInputChanged.count(), 4);
+}
+
+void tst_QMediaCaptureSession::testAudioInputAddRemoveDuringRecording()
+{
+    QAudioInput input;
+    if (input.device().isNull())
+        QSKIP("No audio input available");
+
+    QMediaRecorder recorder;
+    QMediaCaptureSession session;
+
+    session.setRecorder(&recorder);
+
+    QSignalSpy audioInputChanged(&session, SIGNAL(audioInputChanged()));
+    QSignalSpy recorderErrorSignal(&recorder, SIGNAL(errorOccurred(Error, const QString &)));
+    QSignalSpy durationChanged(&recorder, SIGNAL(durationChanged(qint64)));
+
+    session.setAudioInput(&input);
+    QTRY_COMPARE(audioInputChanged.count(), 1);
+
+    recorder.record();
+    QTRY_VERIFY(recorder.recorderState() == QMediaRecorder::RecordingState);
+    QVERIFY(durationChanged.wait(1000));
+    session.setAudioInput(nullptr);
+    QTRY_COMPARE(audioInputChanged.count(), 2);
+    session.setAudioInput(&input);
+    QTRY_COMPARE(audioInputChanged.count(), 3);
+    recorder.stop();
+
+    QTRY_VERIFY(recorder.recorderState() == QMediaRecorder::StoppedState);
+    QVERIFY(recorderErrorSignal.isEmpty());
+
+    session.setAudioInput(nullptr);
+    QTRY_COMPARE(audioInputChanged.count(), 4);
+
+    QString fileName = recorder.actualLocation().toLocalFile();
+    QVERIFY(!fileName.isEmpty());
+    QVERIFY(QFileInfo(fileName).size() > 0);
+    QFile(fileName).remove();
+}
+
+QTEST_MAIN(tst_QMediaCaptureSession)
+
+#include "tst_qmediacapturesession.moc"