forked from qt-creator/qt-creator
		
	The image cache is saving images and icon of this images in a sqlite database. If there are no images they are generated in the backgound. The icons are fetched by item library. Task-number: QDS-2782 Task-number: QDS-2783 Task-number: QDS-2858 Change-Id: I5a32cccfef7f8fd8eb78902605a09f5da18ce88e Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>
		
			
				
	
	
		
			335 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			335 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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****************************************************************************/
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#include "googletest.h"
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#include "sqlitedatabasemock.h"
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#include <imagecachestorage.h>
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#include <sqlitedatabase.h>
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namespace {
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MATCHER_P2(IsEntry,
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           image,
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           hasEntry,
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           std::string(negation ? "is't" : "is")
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               + PrintToString(QmlDesigner::ImageCacheStorageInterface::Entry{image, hasEntry}))
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{
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    const QmlDesigner::ImageCacheStorageInterface::Entry &entry = arg;
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    return entry.image == image && entry.hasEntry == hasEntry;
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}
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class ImageCacheStorageTest : public testing::Test
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{
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protected:
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    QImage createImage()
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    {
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        QImage image{150, 150, QImage::Format_ARGB32};
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        image.fill(QColor{128, 64, 0, 11});
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        image.setPixelColor(75, 75, QColor{1, 255, 33, 196});
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        return image;
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    }
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protected:
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    using ReadStatement = QmlDesigner::ImageCacheStorage<SqliteDatabaseMock>::ReadStatement;
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    using WriteStatement = QmlDesigner::ImageCacheStorage<SqliteDatabaseMock>::WriteStatement;
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    NiceMock<SqliteDatabaseMock> databaseMock;
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    QmlDesigner::ImageCacheStorage<SqliteDatabaseMock> storage{databaseMock};
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    ReadStatement &selectImageStatement = storage.selectImageStatement;
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    ReadStatement &selectIconStatement = storage.selectIconStatement;
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    WriteStatement &upsertImageStatement = storage.upsertImageStatement;
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    QImage image1{createImage()};
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};
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TEST_F(ImageCacheStorageTest, Initialize)
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{
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    InSequence s;
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    EXPECT_CALL(databaseMock, exclusiveBegin());
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    EXPECT_CALL(databaseMock,
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                execute(Eq("CREATE TABLE IF NOT EXISTS images(id INTEGER PRIMARY KEY, name TEXT "
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                           "NOT NULL UNIQUE, mtime INTEGER, image BLOB, icon BLOB)")));
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    EXPECT_CALL(databaseMock, commit());
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    EXPECT_CALL(databaseMock, immediateBegin());
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    EXPECT_CALL(databaseMock, prepare(Eq(selectImageStatement.sqlStatement)));
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    EXPECT_CALL(databaseMock, prepare(Eq(selectIconStatement.sqlStatement)));
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    EXPECT_CALL(databaseMock, prepare(Eq(upsertImageStatement.sqlStatement)));
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    EXPECT_CALL(databaseMock, commit());
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    QmlDesigner::ImageCacheStorage<SqliteDatabaseMock> storage{databaseMock};
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}
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TEST_F(ImageCacheStorageTest, FetchImageCalls)
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{
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    InSequence s;
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    EXPECT_CALL(databaseMock, deferredBegin());
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    EXPECT_CALL(selectImageStatement,
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                valueReturnBlob(TypedEq<Utils::SmallStringView>("/path/to/component"),
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                                TypedEq<long long>(123)));
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    EXPECT_CALL(databaseMock, commit());
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    storage.fetchImage("/path/to/component", {123});
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}
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TEST_F(ImageCacheStorageTest, FetchImageCallsIsBusy)
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{
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    InSequence s;
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    EXPECT_CALL(databaseMock, deferredBegin());
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    EXPECT_CALL(selectImageStatement,
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                valueReturnBlob(TypedEq<Utils::SmallStringView>("/path/to/component"),
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                                TypedEq<long long>(123)))
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        .WillOnce(Throw(Sqlite::StatementIsBusy("busy")));
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    EXPECT_CALL(databaseMock, rollback());
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    EXPECT_CALL(databaseMock, deferredBegin());
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    EXPECT_CALL(selectImageStatement,
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                valueReturnBlob(TypedEq<Utils::SmallStringView>("/path/to/component"),
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                                TypedEq<long long>(123)));
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    EXPECT_CALL(databaseMock, commit());
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    storage.fetchImage("/path/to/component", {123});
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}
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TEST_F(ImageCacheStorageTest, FetchIconCalls)
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{
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    InSequence s;
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    EXPECT_CALL(databaseMock, deferredBegin());
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    EXPECT_CALL(selectIconStatement,
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                valueReturnBlob(TypedEq<Utils::SmallStringView>("/path/to/component"),
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                                TypedEq<long long>(123)));
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    EXPECT_CALL(databaseMock, commit());
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    storage.fetchIcon("/path/to/component", {123});
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}
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TEST_F(ImageCacheStorageTest, FetchIconCallsIsBusy)
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{
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    InSequence s;
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    EXPECT_CALL(databaseMock, deferredBegin());
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    EXPECT_CALL(selectIconStatement,
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                valueReturnBlob(TypedEq<Utils::SmallStringView>("/path/to/component"),
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                                TypedEq<long long>(123)))
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        .WillOnce(Throw(Sqlite::StatementIsBusy("busy")));
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    EXPECT_CALL(databaseMock, rollback());
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    EXPECT_CALL(databaseMock, deferredBegin());
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    EXPECT_CALL(selectIconStatement,
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                valueReturnBlob(TypedEq<Utils::SmallStringView>("/path/to/component"),
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                                TypedEq<long long>(123)));
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    EXPECT_CALL(databaseMock, commit());
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    storage.fetchIcon("/path/to/component", {123});
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}
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TEST_F(ImageCacheStorageTest, StoreImageCalls)
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{
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    InSequence s;
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    EXPECT_CALL(databaseMock, immediateBegin());
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    EXPECT_CALL(upsertImageStatement,
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                write(TypedEq<Utils::SmallStringView>("/path/to/component"),
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                      TypedEq<long long>(123),
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                      A<Sqlite::BlobView>(),
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                      A<Sqlite::BlobView>()));
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    EXPECT_CALL(databaseMock, commit());
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    storage.storeImage("/path/to/component", {123}, image1);
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}
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TEST_F(ImageCacheStorageTest, StoreEmptyImageCalls)
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{
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    InSequence s;
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    EXPECT_CALL(databaseMock, immediateBegin());
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    EXPECT_CALL(upsertImageStatement,
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                write(TypedEq<Utils::SmallStringView>("/path/to/component"),
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                      TypedEq<long long>(123),
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                      A<Sqlite::NullValue>(),
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                      A<Sqlite::NullValue>()));
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    EXPECT_CALL(databaseMock, commit());
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    storage.storeImage("/path/to/component", {123}, QImage{});
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}
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TEST_F(ImageCacheStorageTest, StoreImageCallsIsBusy)
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{
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    InSequence s;
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    EXPECT_CALL(databaseMock, immediateBegin()).WillOnce(Throw(Sqlite::StatementIsBusy("busy")));
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    EXPECT_CALL(databaseMock, immediateBegin());
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    EXPECT_CALL(upsertImageStatement,
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                write(TypedEq<Utils::SmallStringView>("/path/to/component"),
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                      TypedEq<long long>(123),
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                      A<Sqlite::NullValue>(),
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                      A<Sqlite::NullValue>()));
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    EXPECT_CALL(databaseMock, commit());
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    storage.storeImage("/path/to/component", {123}, QImage{});
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}
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TEST_F(ImageCacheStorageTest, CallWalCheckointFull)
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{
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    EXPECT_CALL(databaseMock, walCheckpointFull());
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    storage.walCheckpointFull();
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}
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TEST_F(ImageCacheStorageTest, CallWalCheckointFullIsBusy)
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{
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    InSequence s;
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    EXPECT_CALL(databaseMock, walCheckpointFull()).WillOnce(Throw(Sqlite::StatementIsBusy("busy")));
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    EXPECT_CALL(databaseMock, walCheckpointFull());
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    storage.walCheckpointFull();
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}
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class ImageCacheStorageSlowTest : public testing::Test
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{
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protected:
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    QImage createImage()
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    {
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        QImage image{150, 150, QImage::Format_ARGB32};
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        image.fill(QColor{128, 64, 0, 11});
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        image.setPixelColor(1, 1, QColor{1, 255, 33, 196});
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        return image;
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    }
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protected:
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    Sqlite::Database database{":memory:", Sqlite::JournalMode::Memory};
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    QmlDesigner::ImageCacheStorage<Sqlite::Database> storage{database};
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    QImage image1{createImage()};
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    QImage image2{10, 10, QImage::Format_ARGB32};
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    QImage icon1{image1.scaled(96, 96)};
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};
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TEST_F(ImageCacheStorageSlowTest, StoreImage)
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{
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    storage.storeImage("/path/to/component", {123}, image1);
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    ASSERT_THAT(storage.fetchImage("/path/to/component", {123}), IsEntry(image1, true));
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}
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TEST_F(ImageCacheStorageSlowTest, StoreEmptyImageAfterEntry)
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{
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    storage.storeImage("/path/to/component", {123}, image1);
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    storage.storeImage("/path/to/component", {123}, QImage{});
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    ASSERT_THAT(storage.fetchImage("/path/to/component", {123}), IsEntry(QImage{}, true));
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}
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TEST_F(ImageCacheStorageSlowTest, StoreEmptyEntry)
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{
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    storage.storeImage("/path/to/component", {123}, QImage{});
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    ASSERT_THAT(storage.fetchImage("/path/to/component", {123}), IsEntry(QImage{}, true));
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}
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TEST_F(ImageCacheStorageSlowTest, FetchNonExistingImageIsEmpty)
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{
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    auto image = storage.fetchImage("/path/to/component", {123});
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    ASSERT_THAT(image, IsEntry(QImage{}, false));
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}
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TEST_F(ImageCacheStorageSlowTest, FetchSameTimeImage)
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{
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    storage.storeImage("/path/to/component", {123}, image1);
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    auto image = storage.fetchImage("/path/to/component", {123});
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    ASSERT_THAT(image, IsEntry(image1, true));
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}
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TEST_F(ImageCacheStorageSlowTest, DoNotFetchOlderImage)
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{
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    storage.storeImage("/path/to/component", {123}, image1);
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    auto image = storage.fetchImage("/path/to/component", {124});
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    ASSERT_THAT(image, IsEntry(QImage{}, false));
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}
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TEST_F(ImageCacheStorageSlowTest, FetchNewerImage)
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{
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    storage.storeImage("/path/to/component", {123}, image1);
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    auto image = storage.fetchImage("/path/to/component", {122});
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    ASSERT_THAT(image, IsEntry(image1, true));
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}
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TEST_F(ImageCacheStorageSlowTest, FetchNonExistingIconIsEmpty)
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{
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    auto image = storage.fetchIcon("/path/to/component", {123});
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    ASSERT_THAT(image, IsEntry(QImage{}, false));
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}
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TEST_F(ImageCacheStorageSlowTest, FetchSameTimeIcon)
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{
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    storage.storeImage("/path/to/component", {123}, image1);
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    auto image = storage.fetchIcon("/path/to/component", {123});
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    ASSERT_THAT(image, IsEntry(icon1, true));
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}
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TEST_F(ImageCacheStorageSlowTest, DoNotFetchOlderIcon)
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{
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    storage.storeImage("/path/to/component", {123}, image1);
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    auto image = storage.fetchIcon("/path/to/component", {124});
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    ASSERT_THAT(image, IsEntry(QImage{}, false));
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}
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TEST_F(ImageCacheStorageSlowTest, FetchNewerIcon)
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{
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    storage.storeImage("/path/to/component", {123}, image1);
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    auto image = storage.fetchIcon("/path/to/component", {122});
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    ASSERT_THAT(image, IsEntry(icon1, true));
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}
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TEST_F(ImageCacheStorageSlowTest, DontScaleSmallerIcon)
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{
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    storage.storeImage("/path/to/component", {123}, image2);
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    auto image = storage.fetchImage("/path/to/component", {122});
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    ASSERT_THAT(image, IsEntry(image2, true));
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}
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} // namespace
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