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/*
remotemodeltest.cpp
This file is part of GammaRay, the Qt application inspection and manipulation tool.
SPDX-FileCopyrightText: 2014 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
Author: Volker Krause <volker.krause@kdab.com>
SPDX-License-Identifier: GPL-2.0-or-later
Contact KDAB at <info@kdab.com> for commercial licensing options.
*/
#include <core/remote/remotemodelserver.h>
#include <client/remotemodel.h>
#include <common/message.h>
#include <QAbstractItemModelTester>
#include <QBuffer>
#include <QDebug>
#include <QObject>
#include <QSignalSpy>
#include <QSortFilterProxyModel>
#include <QStandardItemModel>
#include <QTest>
using namespace GammaRay;
static void fakeRegisterServer()
{
}
namespace GammaRay {
class FakeRemoteModelServer : public RemoteModelServer
{
Q_OBJECT
public:
explicit FakeRemoteModelServer(const QString &objectName, QObject *parent = nullptr)
: RemoteModelServer(objectName, parent)
{
m_myAddress = 42;
}
static void setup()
{
FakeRemoteModelServer::s_registerServerCallback = &fakeRegisterServer;
}
signals:
void message(const GammaRay::Message &);
private slots:
void deliverMessage(const QByteArray &ba)
{
QBuffer buffer(const_cast<QByteArray *>(&ba));
buffer.open(QIODevice::ReadOnly);
emit message(Message::readMessage(&buffer));
}
private:
bool isConnected() const override
{
return true;
}
void sendMessage(const Message &msg) const override
{
QByteArray ba;
QBuffer buffer(&ba);
buffer.open(QIODevice::WriteOnly);
msg.write(&buffer);
buffer.close();
QMetaObject::invokeMethod(const_cast<FakeRemoteModelServer *>(this), "deliverMessage", Qt::QueuedConnection, Q_ARG(QByteArray, ba));
}
};
class FakeRemoteModel : public RemoteModel
{
Q_OBJECT
public:
explicit FakeRemoteModel(const QString &serverObject, QObject *parent = nullptr)
: RemoteModel(serverObject, parent)
{
m_myAddress = 42;
}
static void setup()
{
FakeRemoteModel::s_registerClientCallback = &fakeRegisterServer;
}
signals:
void message(const GammaRay::Message &);
private:
void sendMessage(const Message &msg) const override
{
QByteArray ba;
QBuffer buffer(&ba);
buffer.open(QIODevice::ReadWrite);
msg.write(&buffer);
buffer.seek(0);
emit const_cast<FakeRemoteModel *>(this)->message(Message::readMessage(&buffer));
}
};
}
class RemoteModelTest : public QObject
{
Q_OBJECT
private:
static bool waitForData(const QModelIndex &idx)
{
if (idx.data(RemoteModelRole::LoadingState).value<RemoteModelNodeState::NodeStates>() == RemoteModelNodeState::NoState)
return true; // data already present
QSignalSpy spy(const_cast<QAbstractItemModel *>(idx.model()), &QAbstractItemModel::dataChanged);
if (!spy.isValid())
return false;
idx.data(); // trigger the request
Q_ASSERT(spy.isEmpty());
while (spy.wait()) {
for (auto it = spy.constBegin(); it != spy.constEnd(); ++it) {
if ((*it).contains(idx))
return true;
}
spy.clear();
}
return false;
}
private slots:
static void initTestCase()
{
FakeRemoteModelServer::setup();
FakeRemoteModel::setup();
}
void testEmptyRemoteModel()
{
QScopedPointer<QStandardItemModel> emptyModel(new QStandardItemModel(this));
FakeRemoteModelServer server(QStringLiteral("com.kdab.GammaRay.UnitTest.EmptyModel"), this);
server.setModel(emptyModel.data());
server.modelMonitored(true);
FakeRemoteModel client(QStringLiteral("com.kdab.GammaRay.UnitTest.EmptyModel"), this);
connect(&server, &FakeRemoteModelServer::message, &client,
&RemoteModel::newMessage);
connect(&client, &FakeRemoteModel::message, &server,
&RemoteModelServer::newRequest);
QAbstractItemModelTester modelTest(&client);
QCOMPARE(client.rowCount(), 0);
QTest::qWait(10);
QCOMPARE(client.rowCount(), 0);
QCOMPARE(client.hasChildren(), false);
}
void testListRemoteModel()
{
QScopedPointer<QStandardItemModel> listModel(new QStandardItemModel(this));
listModel->appendRow(new QStandardItem(QStringLiteral("entry0")));
listModel->appendRow(new QStandardItem(QStringLiteral("entry2")));
listModel->appendRow(new QStandardItem(QStringLiteral("entry3")));
listModel->appendRow(new QStandardItem(QStringLiteral("entry4")));
FakeRemoteModelServer server(QStringLiteral("com.kdab.GammaRay.UnitTest.ListModel"), this);
server.setModel(listModel.data());
server.modelMonitored(true);
FakeRemoteModel client(QStringLiteral("com.kdab.GammaRay.UnitTest.ListModel"), this);
connect(&server, &FakeRemoteModelServer::message, &client,
&RemoteModel::newMessage);
connect(&client, &FakeRemoteModel::message, &server,
&RemoteModelServer::newRequest);
QAbstractItemModelTester modelTest(&client);
QTRY_VERIFY(client.rowCount() == 4); // ModelTest is going to fetch stuff for us already
QCOMPARE(client.rowCount(), 4);
QCOMPARE(client.hasChildren(), true);
auto index = client.index(1, 0);
QVERIFY(waitForData(index));
QCOMPARE(index.data().toString(), QStringLiteral("entry2"));
QCOMPARE(client.rowCount(index), 0);
listModel->insertRow(1, new QStandardItem(QStringLiteral("entry1")));
QTRY_VERIFY(client.rowCount() == 5);
QCOMPARE(client.rowCount(), 5);
index = client.index(1, 0);
QVERIFY(waitForData(index));
QCOMPARE(index.data().toString(), QStringLiteral("entry1"));
const auto deleteMe = listModel->takeRow(3);
qDeleteAll(deleteMe);
QTRY_VERIFY(client.rowCount() == 4);
QCOMPARE(client.rowCount(), 4);
}
void testTreeRemoteModel()
{
QScopedPointer<QStandardItemModel> treeModel(new QStandardItemModel(this));
auto e0 = new QStandardItem(QStringLiteral("entry0"));
e0->appendRow(new QStandardItem(QStringLiteral("entry00")));
e0->appendRow(new QStandardItem(QStringLiteral("entry01")));
treeModel->appendRow(e0);
auto e1 = new QStandardItem(QStringLiteral("entry1"));
e1->appendRow(new QStandardItem(QStringLiteral("entry10")));
e1->appendRow(new QStandardItem(QStringLiteral("entry12")));
treeModel->appendRow(e1);
FakeRemoteModelServer server(QStringLiteral("com.kdab.GammaRay.UnitTest.TreeModel"), this);
server.setModel(treeModel.data());
server.modelMonitored(true);
FakeRemoteModel client(QStringLiteral("com.kdab.GammaRay.UnitTest.TreeModel"), this);
connect(&server, &FakeRemoteModelServer::message, &client,
&RemoteModel::newMessage);
connect(&client, &FakeRemoteModel::message, &server,
&RemoteModelServer::newRequest);
QAbstractItemModelTester modelTest(&client);
QTRY_VERIFY(client.rowCount() == 2);
QCOMPARE(client.rowCount(), 2);
QCOMPARE(client.hasChildren(), true);
auto i1 = client.index(1, 0);
QVERIFY(waitForData(i1));
QCOMPARE(i1.data().toString(), QStringLiteral("entry1"));
QCOMPARE(client.rowCount(i1), 2);
auto i12 = client.index(1, 0, i1);
QVERIFY(waitForData(i12));
QCOMPARE(i12.data().toString(), QStringLiteral("entry12"));
QCOMPARE(client.rowCount(i12), 0);
e1->insertRow(1, new QStandardItem(QStringLiteral("entry11")));
QTRY_VERIFY(client.rowCount(i1) == 3);
QCOMPARE(client.rowCount(i1), 3);
auto i11 = client.index(1, 0, i1);
QVERIFY(waitForData(i11));
QCOMPARE(i11.data().toString(), QStringLiteral("entry11"));
QCOMPARE(client.rowCount(i11), 0);
const auto deleteMe = e1->takeRow(0);
qDeleteAll(deleteMe);
QTRY_VERIFY(client.rowCount(i1) == 2);
QCOMPARE(client.rowCount(i1), 2);
i11 = client.index(0, 0, i1);
QVERIFY(waitForData(i11));
QCOMPARE(i11.data().toString(), QStringLiteral("entry11"));
}
// this should not make a difference if the above works, however it broke massively with Qt 5.4...
void testSortProxy()
{
QScopedPointer<QStandardItemModel> treeModel(new QStandardItemModel(this));
auto e0 = new QStandardItem(QStringLiteral("entry1"));
e0->appendRow(new QStandardItem(QStringLiteral("entry10")));
e0->appendRow(new QStandardItem(QStringLiteral("entry11")));
treeModel->appendRow(e0);
auto e1 = new QStandardItem(QStringLiteral("entry0"));
e1->appendRow(new QStandardItem(QStringLiteral("entry00")));
e1->appendRow(new QStandardItem(QStringLiteral("entry01")));
e1->appendRow(new QStandardItem(QStringLiteral("entry02")));
e1->appendRow(new QStandardItem(QStringLiteral("entry03")));
treeModel->appendRow(e1);
FakeRemoteModelServer server(QStringLiteral("com.kdab.GammaRay.UnitTest.TreeModel2"), this);
server.setModel(treeModel.data());
server.modelMonitored(true);
FakeRemoteModel client(QStringLiteral("com.kdab.GammaRay.UnitTest.TreeModel2"), this);
connect(&server, &FakeRemoteModelServer::message, &client,
&RemoteModel::newMessage);
connect(&client, &FakeRemoteModel::message, &server,
&RemoteModelServer::newRequest);
QSortFilterProxyModel proxy;
proxy.setDynamicSortFilter(true);
proxy.sort(0);
proxy.setSourceModel(&client);
QAbstractItemModelTester modelTest(&proxy);
QTRY_VERIFY(client.rowCount() == 2);
QCOMPARE(client.rowCount(), 2);
QCOMPARE(proxy.rowCount(), 2);
auto pi0 = proxy.index(0, 0);
QVERIFY(waitForData(pi0));
QCOMPARE(pi0.data().toString(), QStringLiteral("entry0"));
QCOMPARE(proxy.rowCount(pi0), 4);
auto pi03 = proxy.index(3, 0, pi0);
QVERIFY(waitForData(pi03));
QCOMPARE(pi03.data().toString(), QStringLiteral("entry03"));
auto ci0 = client.index(0, 0);
QVERIFY(waitForData(ci0));
QCOMPARE(ci0.data().toString(), QStringLiteral("entry1"));
QCOMPARE(client.rowCount(ci0), 2);
auto pi1 = proxy.index(1, 0);
QVERIFY(waitForData(pi1));
QCOMPARE(pi1.data().toString(), QStringLiteral("entry1"));
// this fails with data() call batching sizes close to 1
// QEXPECT_FAIL("", "QSFPM misbehavior, no idea yet where this is coming from", Continue);
QCOMPARE(proxy.rowCount(pi1), 2);
}
};
QTEST_MAIN(RemoteModelTest)
#include "remotemodeltest.moc"
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