Add monitoring auto tests

Added tests for ProcessMonitor memory (smaps file) parsing and basic
QML tests for SystemMonitor.

Change-Id: If80a48734ecc1785f7564b668cd5ccc433869010
Reviewed-by: Robert Griebl <robert.griebl@pelagicore.com>

11 files changed, 653 insertions, 9 deletions

diff --git a/src/monitor-lib/processmonitor_p.cpp b/src/monitor-lib/processmonitor_p.cpp
index 205b5cb9..092fa57c 100644
--- a/src/monitor-lib/processmonitor_p.cpp
+++ b/src/monitor-lib/processmonitor_p.cpp
@@ -117,7 +117,8 @@ void ReadingTask::timerEvent(QTimerEvent *event)
         ReadingTask::Results results;
 
         if (m_readMem) {
-            if (!readMemory(results.memory))
+            const QByteArray file = "/proc/" + QByteArray::number(m_pid) + "/smaps";
+            if (!readMemory(file, results.memory))
                 results.memory = ReadingTask::Results::Memory();
             results.memory.read =  true;
         }
@@ -182,17 +183,15 @@ qreal ReadingTask::readLoad()
     return load;
 }
 
-bool ReadingTask::readMemory(ReadingTask::Results::Memory &results)
+bool ReadingTask::readMemory(const QByteArray &smapsFile, ReadingTask::Results::Memory &results)
 {
     struct ScopedFile {
         ~ScopedFile() { if (file) fclose(file); }
         FILE *file = nullptr;
     };
 
-    const QByteArray fileName = "/proc/" + QByteArray::number(m_pid) + "/smaps";
-
     ScopedFile sf;
-    sf.file = fopen(fileName.constData(), "r");
+    sf.file = fopen(smapsFile.constData(), "r");
 
     if (sf.file == nullptr)
         return false;
@@ -336,8 +335,9 @@ qreal ReadingTask::readLoad()
     return 0.0;
 }
 
-bool ReadingTask::readMemory(ReadingTask::Results::Memory &results)
+bool ReadingTask::readMemory(const QByteArray &smapsFile, ReadingTask::Results::Memory &results)
 {
+    Q_UNUSED(smapsFile)
     struct task_basic_info t_info;
     mach_msg_type_number_t t_info_count = TASK_BASIC_INFO_COUNT;
 
@@ -363,8 +363,9 @@ qreal ReadingTask::readLoad()
     return 0.0;
 }
 
-bool ReadingTask::readMemory(ReadingTask::Results::Memory &results)
+bool ReadingTask::readMemory(const QByteArray &smapsFile, ReadingTask::Results::Memory &results)
 {
+    Q_UNUSED(smapsFile)
     Q_UNUSED(results)
     return false;
 }
diff --git a/src/monitor-lib/processmonitor_p.h b/src/monitor-lib/processmonitor_p.h
index ccdb10ca..f5104d89 100644
--- a/src/monitor-lib/processmonitor_p.h
+++ b/src/monitor-lib/processmonitor_p.h
@@ -76,6 +76,7 @@
 QT_BEGIN_NAMESPACE_AM
 
 class Window;
+class tst_ProcessMonitor;
 
 class ReadingTask : public QObject
 {
@@ -108,6 +109,7 @@ public:
 
 protected:
     void timerEvent(QTimerEvent *event) override;
+    bool readMemory(const QByteArray &smapsFile, Results::Memory &results);
 
 public slots:
     void setupTimer(bool enabled, int interval);
@@ -123,7 +125,6 @@ private:
     void cancelTimer();
     void openLoad();
     qreal readLoad();
-    bool readMemory(Results::Memory &results);
 
     QMutex &m_mutex;
     Results &m_results;
diff --git a/tests/processmonitor/basic.smaps b/tests/processmonitor/basic.smaps
new file mode 100644
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+++ b/tests/processmonitor/basic.smaps
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diff --git a/tests/processmonitor/invalid.smaps b/tests/processmonitor/invalid.smaps
new file mode 100644
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--- /dev/null
+++ b/tests/processmonitor/invalid.smaps
@@ -0,0 +1,16 @@
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diff --git a/tests/processmonitor/processmonitor.pro b/tests/processmonitor/processmonitor.pro
new file mode 100644
index 00000000..b7425e06
--- /dev/null
+++ b/tests/processmonitor/processmonitor.pro
@@ -0,0 +1,11 @@
+TARGET = tst_processmonitor
+
+include($$PWD/../tests.pri)
+
+QT *= appman_monitor-private \
+      appman_manager-private \
+      appman_window-private \
+      appman_application-private \
+      appman_common-private
+
+SOURCES += tst_processmonitor.cpp
diff --git a/tests/processmonitor/tst_processmonitor.cpp b/tests/processmonitor/tst_processmonitor.cpp
new file mode 100644
index 00000000..bd053651
--- /dev/null
+++ b/tests/processmonitor/tst_processmonitor.cpp
@@ -0,0 +1,136 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 Pelagicore AG
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Pelagicore Application Manager.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT-QTAS$
+** Commercial License Usage
+** Licensees holding valid commercial Qt Automotive Suite 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtCore>
+#include <QtTest>
+#include "private/processmonitor_p.h"
+
+QT_USE_NAMESPACE_AM
+
+class ReadingTaskTester : public ReadingTask
+{
+public:
+    using ReadingTask::readMemory;
+};
+
+class QtAM::tst_ProcessMonitor : public QObject
+{
+    Q_OBJECT
+
+public:
+    tst_ProcessMonitor();
+
+private slots:
+    void memInvalid_data();
+    void memInvalid();
+    void memTestProcess();
+    void memBasic();
+
+private:
+    void printMem(const ReadingTask::Results::Memory &memres);
+
+    ReadingTask task;
+    ReadingTask::Results readResults;
+    QMutex mutex;
+};
+
+tst_ProcessMonitor::tst_ProcessMonitor() : task(mutex, readResults)
+{}
+
+void tst_ProcessMonitor::memInvalid_data()
+{
+    QTest::addColumn<QString>("file");
+
+    QTest::newRow("arbitrary") << QFINDTESTDATA("tst_processmonitor.cpp");
+    QTest::newRow("binary") << QFINDTESTDATA("tst_processmonitor");
+    QTest::newRow("missingvalue") << QFINDTESTDATA("invalid.smaps");
+}
+
+void tst_ProcessMonitor::memInvalid()
+{
+    QFETCH(QString, file);
+
+    ReadingTask::Results::Memory memres;
+    QVERIFY(!static_cast<ReadingTaskTester*>(&task)->readMemory(file.toLocal8Bit(), memres));
+    QCOMPARE(memres.totalVm, 0u);
+    QCOMPARE(memres.totalRss, 0u);
+    QCOMPARE(memres.totalPss, 0u);
+    QCOMPARE(memres.textVm, 0u);
+    QCOMPARE(memres.textRss, 0u);
+    QCOMPARE(memres.textPss, 0u);
+    QCOMPARE(memres.heapVm, 0u);
+    QCOMPARE(memres.heapRss, 0u);
+    QCOMPARE(memres.heapPss, 0u);
+}
+
+void tst_ProcessMonitor::memTestProcess()
+{
+    ReadingTask::Results::Memory memres;
+    const QByteArray file = "/proc/" + QByteArray::number(QCoreApplication::applicationPid()) + "/smaps";
+    QVERIFY(static_cast<ReadingTaskTester*>(&task)->readMemory(file, memres));
+    //printMem(memres);
+    QVERIFY(memres.totalVm >= memres.totalRss);
+    QVERIFY(memres.totalRss >= memres.totalPss);
+    QVERIFY(memres.textVm >= memres.textRss);
+    QVERIFY(memres.textRss >= memres.textPss);
+    QVERIFY(memres.heapVm >= memres.heapRss);
+    QVERIFY(memres.heapRss >= memres.heapPss);
+}
+
+void tst_ProcessMonitor::memBasic()
+{
+    ReadingTask::Results::Memory memres;
+    QVERIFY(static_cast<ReadingTaskTester*>(&task)->readMemory(QFINDTESTDATA("basic.smaps").toLocal8Bit(), memres));
+    //printMem(memres);
+    QCOMPARE(memres.totalVm, 107384u);
+    QCOMPARE(memres.totalRss, 20352u);
+    QCOMPARE(memres.totalPss, 13814u);
+    QCOMPARE(memres.textVm, 7800u);
+    QCOMPARE(memres.textRss, 5884u);
+    QCOMPARE(memres.textPss, 2318u);
+    QCOMPARE(memres.heapVm, 24376u);
+    QCOMPARE(memres.heapRss, 7556u);
+    QCOMPARE(memres.heapPss, 7556u);
+}
+
+void tst_ProcessMonitor::printMem(const ReadingTask::Results::Memory &memres)
+{
+    qDebug() << "totalVm:" << memres.totalVm;
+    qDebug() << "totalRss:" << memres.totalRss;
+    qDebug() << "totalPss:" << memres.totalPss;
+    qDebug() << "textVm:" << memres.textVm;
+    qDebug() << "textRss:" << memres.textRss;
+    qDebug() << "textPss:" << memres.textPss;
+    qDebug() << "heapVm:" << memres.heapVm;
+    qDebug() << "heapRss:" << memres.heapRss;
+    qDebug() << "heapPss:" << memres.heapPss;
+}
+
+QTEST_APPLESS_MAIN(tst_ProcessMonitor)
+
+#include "tst_processmonitor.moc"
diff --git a/tests/qml/monitoring/am-config.yaml b/tests/qml/monitoring/am-config.yaml
new file mode 100644
index 00000000..00c43b53
--- /dev/null
+++ b/tests/qml/monitoring/am-config.yaml
@@ -0,0 +1,16 @@
+formatVersion: 1
+formatType: am-configuration
+---
+applications:
+  builtinAppsManifestDir: "${CONFIG_PWD}/apps"
+  installedAppsManifestDir: "/tmp/am-monitoring-test/manifests"
+  appImageMountDir: "/tmp/am-monitoring-test/image-mounts"
+  database: "/tmp/am-monitoring-test/apps.db"
+
+installationLocations:
+- id: "internal-0"
+  installationPath: "/tmp/am-monitoring-test/apps"
+  documentPath: "/tmp/am-monitoring-test/docs"
+  mountPoint: "/tmp"
+  isDefault: true
+
diff --git a/tests/qml/monitoring/monitoring.pro b/tests/qml/monitoring/monitoring.pro
new file mode 100644
index 00000000..efdca89a
--- /dev/null
+++ b/tests/qml/monitoring/monitoring.pro
@@ -0,0 +1,4 @@
+AM_CONFIG = am-config.yaml
+TEST_FILES = tst_monitoring.qml
+
+load(am-qml-testcase)
diff --git a/tests/qml/monitoring/tst_monitoring.qml b/tests/qml/monitoring/tst_monitoring.qml
new file mode 100644
index 00000000..d5c55d6c
--- /dev/null
+++ b/tests/qml/monitoring/tst_monitoring.qml
@@ -0,0 +1,105 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 Pelagicore AG
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Pelagicore Application Manager.
+**
+** $QT_BEGIN_LICENSE:LGPL-QTAS$
+** Commercial License Usage
+** Licensees holding valid commercial Qt Automotive Suite 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 Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** 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-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+** SPDX-License-Identifier: LGPL-3.0
+**
+****************************************************************************/
+
+import QtQuick 2.6
+import QtTest 1.0
+import QtApplicationManager 1.0
+
+TestCase {
+    id: testCase
+    when: windowShown
+    name: "Monitoring"
+
+    ListView {
+        id: listView
+        model: SystemMonitor
+        delegate: Item {}
+    }
+
+    SignalSpy {
+        id: memoryReportingChangedSpy
+        target: SystemMonitor
+        signalName: "memoryReportingChanged"
+    }
+
+    function test_mem_reporting() {
+        compare(SystemMonitor.count, 10);
+        verify(!SystemMonitor.memoryReportingEnabled);
+
+        SystemMonitor.reportingInterval = 80
+        SystemMonitor.count = 5;
+        SystemMonitor.memoryReportingEnabled = true;
+
+        compare(SystemMonitor.reportingInterval, 80);
+        compare(SystemMonitor.count, 5);
+        verify(SystemMonitor.memoryReportingEnabled);
+
+        memoryReportingChangedSpy.wait(100);
+        compare(memoryReportingChangedSpy.count, 1);
+        console.info("Used Memory: " + (memoryReportingChangedSpy.signalArguments[0][0]/1e9).toFixed(1) + " GB");
+        var mem = [memoryReportingChangedSpy.signalArguments[0][0]];
+        verify(mem[0] > 16000);
+        compare(listView.model.get(0).memoryUsed, mem[0]);
+
+        memoryReportingChangedSpy.wait(100);
+        compare(memoryReportingChangedSpy.count, 2);
+        mem[1] = memoryReportingChangedSpy.signalArguments[1][0];
+        verify(mem[1] > 16000);
+        compare(listView.model.get(0).memoryUsed, mem[1]);
+        compare(listView.model.get(1).memoryUsed, mem[0]);
+
+        SystemMonitor.count = 4;
+        compare(listView.model.get(0).memoryUsed, mem[1]);
+        compare(listView.model.get(1).memoryUsed, mem[0]);
+
+        SystemMonitor.reportingInterval = 85;
+        compare(listView.model.get(0).memoryUsed, 0);
+        compare(listView.model.get(1).memoryUsed, 0);
+    }
+
+    function test_static() {
+        console.info("CPU Cores: " + SystemMonitor.cpuCores);
+        console.info("Total Memory: " + (SystemMonitor.totalMemory/1e9).toFixed(1) + " GB");
+        verify(SystemMonitor.cpuCores >= 1);
+        verify(SystemMonitor.totalMemory > 64000);
+        compare(SystemMonitor.idleLoadThreshold, 0.1);
+    }
+}
diff --git a/tests/qml/qml.pro b/tests/qml/qml.pro
index 93201f45..78ee24a8 100644
--- a/tests/qml/qml.pro
+++ b/tests/qml/qml.pro
@@ -3,4 +3,5 @@ SUBDIRS = \
     simple \
     windowmapping \
     fakeamwindow \
-    installer
+    installer \
+    monitoring
diff --git a/tests/tests.pro b/tests/tests.pro
index b18ad3eb..a478922a 100644
--- a/tests/tests.pro
+++ b/tests/tests.pro
@@ -16,6 +16,7 @@ SUBDIRS = \
 
 linux*:SUBDIRS += \
     sudo \
+    processmonitor
 
 OTHER_FILES += \
     tests.pri \