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qt-creator/tests/unit/unittest/pchcreator-test.cpp
Marco Bubke 64a3a130ac Clang: Add BuildDependencyCollector 
IncludeCollector is renamed to BuildDependencyCollector. It is now
returning a BuildDependency instead of individual getter. The test coverage
is improved too.

Task-number: QTCREATORBUG-21379
Change-Id: Ifc2d1c40c85772cf498c21968de526f4408b6023
Reviewed-by: Ivan Donchevskii <ivan.donchevskii@qt.io>
2018-11-20 14:24:03 +00:00

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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** 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.
**
****************************************************************************/
#include "googletest.h"
#include "fakeprocess.h"
#include "mockclangpathwatcher.h"
#include "mockpchmanagerclient.h"
#include "testenvironment.h"
#include <refactoringdatabaseinitializer.h>
#include <filepathcaching.h>
#include <generatedfiles.h>
#include <pchcreator.h>
#include <precompiledheadersupdatedmessage.h>
#include <sqlitedatabase.h>
#include <QFileInfo>
namespace {
using ClangBackEnd::FilePath;
using ClangBackEnd::FilePathId;
using ClangBackEnd::FilePathIds;
using ClangBackEnd::FilePathView;
using ClangBackEnd::GeneratedFiles;
using ClangBackEnd::IdPaths;
using ClangBackEnd::ProjectPartPch;
using ClangBackEnd::SourceEntries;
using ClangBackEnd::SourceEntry;
using ClangBackEnd::SourceType;
using ClangBackEnd::V2::FileContainer;
using ClangBackEnd::V2::ProjectPartContainer;
using Utils::PathString;
using Utils::SmallString;
using UnitTests::EndsWith;
MATCHER_P2(HasIdAndType, sourceId, sourceType,
std::string(negation ? "hasn't" : "has") +
PrintToString(ClangBackEnd::SourceEntry(sourceId, sourceType,
-1)))
{
const ClangBackEnd::SourceEntry &entry = arg;
return entry.sourceId == sourceId && entry.sourceType == sourceType;
}
class PchCreator: public ::testing::Test
{
protected:
void SetUp()
{
creator.setUnsavedFiles({generatedFile});
}
ClangBackEnd::FilePathId id(ClangBackEnd::FilePathView path)
{
return creator.filePathCache().filePathId(path);
}
protected:
Sqlite::Database database{":memory:", Sqlite::JournalMode::Memory};
ClangBackEnd::RefactoringDatabaseInitializer<Sqlite::Database> databaseInitializer{database};
FilePath main1Path = TESTDATA_DIR "/builddependencycollector/project/main3.cpp";
FilePath main2Path = TESTDATA_DIR "/builddependencycollector/project/main2.cpp";
FilePath header1Path = TESTDATA_DIR "/builddependencycollector/project/header1.h";
FilePath header2Path = TESTDATA_DIR "/builddependencycollector/project/header2.h";
Utils::SmallStringView generatedFileName = "builddependencycollector/project/generated_file.h";
FilePath generatedFilePath = TESTDATA_DIR "/builddependencycollector/project/generated_file.h";
TestEnvironment environment;
FileContainer generatedFile{{TESTDATA_DIR, generatedFileName}, "#pragma once", {}};
NiceMock<MockPchManagerClient> mockPchManagerClient;
NiceMock<MockClangPathWatcher> mockClangPathWatcher;
ClangBackEnd::PchCreator creator{environment, database, mockPchManagerClient, mockClangPathWatcher};
ProjectPartContainer projectPart1{"project1",
{"-I", TESTDATA_DIR, "-I", TESTDATA_DIR "/builddependencycollector/external", "-I", TESTDATA_DIR "/builddependencycollector/project", "-isystem", TESTDATA_DIR "/builddependencycollector/system", "-Wno-pragma-once-outside-header"},
{{"DEFINE", "1"}},
{TESTDATA_DIR "/builddependencycollector/external", TESTDATA_DIR "/builddependencycollector/project"},
{id(header1Path)},
{id(main1Path)}};
ProjectPartContainer projectPart2{"project2",
{"-I", TESTDATA_DIR, "-I", TESTDATA_DIR "/builddependencycollector/external", "-I", TESTDATA_DIR "/builddependencycollector/project", "-x", "c++-header", "-Wno-pragma-once-outside-header"},
{{"DEFINE", "1"}},
{TESTDATA_DIR "/builddependencycollector/external", TESTDATA_DIR "/builddependencycollector/project"},
{id(header2Path)},
{id(main2Path)}};
};
using PchCreatorSlowTest = PchCreator;
using PchCreatorVerySlowTest = PchCreator;
TEST_F(PchCreator, ConvertToQStringList)
{
auto arguments = creator.convertToQStringList({"-I", TESTDATA_DIR});
ASSERT_THAT(arguments, ElementsAre(QString("-I"), QString(TESTDATA_DIR)));
}
TEST_F(PchCreator, CreateProjectPartCommandLine)
{
auto commandLine = creator.generateProjectPartCommandLine(projectPart1);
ASSERT_THAT(commandLine, ElementsAre(environment.clangCompilerPath(), "-I", TESTDATA_DIR, "-I", TESTDATA_DIR "/builddependencycollector/external", "-I", TESTDATA_DIR "/builddependencycollector/project", "-isystem", TESTDATA_DIR "/builddependencycollector/system", "-Wno-pragma-once-outside-header"));
}
TEST_F(PchCreator, CreateProjectPartHeaders)
{
auto includeIds = creator.generateProjectPartHeaders(projectPart1);
ASSERT_THAT(includeIds, UnorderedElementsAre(header1Path, generatedFilePath));
}
TEST_F(PchCreator, CreateProjectPartSources)
{
auto includeIds = creator.generateProjectPartSourcePaths(projectPart1);
ASSERT_THAT(includeIds, UnorderedElementsAre(main1Path));
}
TEST_F(PchCreatorSlowTest, CreateProjectPartPchIncludes)
{
using ClangBackEnd::PchCreatorIncludes;
auto includeIds = creator.generateProjectPartPchIncludes(projectPart1);
ASSERT_THAT(
includeIds,
AllOf(
Contains(HasIdAndType(
id(TESTDATA_DIR "/builddependencycollector/project/header2.h"),
SourceType::TopInclude)),
Contains(HasIdAndType(
id(TESTDATA_DIR "/builddependencycollector/system/system1.h"),
SourceType::TopSystemInclude)),
Contains(HasIdAndType(
id(TESTDATA_DIR
"/builddependencycollector/system/indirect_system.h"),
SourceType::SystemInclude)),
Contains(HasIdAndType(
id(TESTDATA_DIR
"/builddependencycollector/external/external1.h"),
SourceType::TopInclude)),
Contains(HasIdAndType(
id(TESTDATA_DIR
"/builddependencycollector/external/external2.h"),
SourceType::TopInclude))));
}
TEST_F(PchCreatorSlowTest, CreateProjectPartPchFileContent)
{
auto includes = creator.generateProjectPartPchIncludes(projectPart1);
auto content = creator.generatePchIncludeFileContent(creator.topIncludeIds(includes));
ASSERT_THAT(std::string(content),
AllOf(HasSubstr("#include \"" TESTDATA_DIR "/builddependencycollector/project/header2.h\"\n"),
HasSubstr("#include \"" TESTDATA_DIR "/builddependencycollector/external/external1.h\"\n"),
HasSubstr("#include \"" TESTDATA_DIR "/builddependencycollector/external/external2.h\"\n")));
}
TEST_F(PchCreatorSlowTest, CreateProjectPartPchIncludeFile)
{
auto includes = creator.generateProjectPartPchIncludes(projectPart1);
auto content = creator.generatePchIncludeFileContent(creator.topIncludeIds(includes));
auto pchIncludeFilePath = creator.generateProjectPathPchHeaderFilePath(projectPart1);
auto file = creator.generateFileWithContent(pchIncludeFilePath, content);
file->open(QIODevice::ReadOnly);
auto fileContent = file->readAll();
ASSERT_THAT(fileContent.toStdString(),
AllOf(HasSubstr("#include \"" TESTDATA_DIR "/builddependencycollector/project/header2.h\"\n"),
HasSubstr("#include \"" TESTDATA_DIR "/builddependencycollector/external/external1.h\"\n"),
HasSubstr("#include \"" TESTDATA_DIR "/builddependencycollector/external/external2.h\"\n")));
}
TEST_F(PchCreator, CreateProjectPartPchCompilerArguments)
{
auto arguments = creator.generateProjectPartPchCompilerArguments(projectPart1);
ASSERT_THAT(arguments, AllOf(Contains("-x"),
Contains("c++-header"),
Contains("-Xclang"),
Contains("-emit-pch"),
Contains("-o"),
Contains(EndsWith(".pch"))));
}
TEST_F(PchCreator, CreateProjectPartClangCompilerArguments)
{
auto arguments = creator.generateProjectPartClangCompilerArguments(projectPart1);
ASSERT_THAT(arguments, AllOf(Contains(TESTDATA_DIR),
Contains("-emit-pch"),
Contains("-o"),
Not(Contains(environment.clangCompilerPath()))));
}
TEST_F(PchCreatorVerySlowTest, IncludesForCreatePchsForProjectParts)
{
creator.generatePch(projectPart1);
ASSERT_THAT(creator.takeProjectIncludes().id, "project1");
}
TEST_F(PchCreatorVerySlowTest, ProjectPartPchsSendToPchManagerClient)
{
creator.generatePch(projectPart1);
EXPECT_CALL(mockPchManagerClient,
precompiledHeadersUpdated(
Field(&ClangBackEnd::PrecompiledHeadersUpdatedMessage::projectPartPchs,
ElementsAre(Eq(creator.projectPartPch())))));
creator.doInMainThreadAfterFinished();
}
TEST_F(PchCreatorVerySlowTest, UpdateFileWatcherIncludes)
{
creator.generatePch(projectPart1);
EXPECT_CALL(mockClangPathWatcher,
updateIdPaths(ElementsAre(creator.projectIncludes())));
creator.doInMainThreadAfterFinished();
}
TEST_F(PchCreatorVerySlowTest, IdPathsForCreatePchsForProjectParts)
{
creator.generatePch(projectPart1);
ASSERT_THAT(creator.takeProjectIncludes(),
AllOf(Field(&IdPaths::id, "project1"),
Field(&IdPaths::filePathIds, AllOf(Contains(id(TESTDATA_DIR "/builddependencycollector/project/header2.h")),
Contains(id(TESTDATA_DIR "/builddependencycollector/external/external1.h")),
Contains(id(TESTDATA_DIR "/builddependencycollector/external/external2.h"))))));
}
TEST_F(PchCreatorVerySlowTest, ProjectPartPchForCreatesPchForProjectPart)
{
creator.generatePch(projectPart1);
ASSERT_THAT(creator.projectPartPch(),
AllOf(Field(&ProjectPartPch::projectPartId, Eq("project1")),
Field(&ProjectPartPch::pchPath, Not(IsEmpty())),
Field(&ProjectPartPch::lastModified, Not(Eq(-1)))));
}
TEST_F(PchCreatorVerySlowTest, ProjectPartPchCleared)
{
creator.generatePch(projectPart1);
creator.clear();
ASSERT_THAT(creator.projectPartPch(), ClangBackEnd::ProjectPartPch{});
}
TEST_F(PchCreatorVerySlowTest, ProjectIncludesCleared)
{
creator.generatePch(projectPart1);
creator.clear();
ASSERT_THAT(creator.projectIncludes(), ClangBackEnd::IdPaths{});
}
TEST_F(PchCreatorVerySlowTest, FaultyProjectPartPchForCreatesNoPchForProjectPart)
{
ProjectPartContainer faultyProjectPart{"faultyProject",
{"-I", TESTDATA_DIR},
{{"DEFINE", "1"}},
{"/includes"},
{},
{id(TESTDATA_DIR "/builddependencycollector/project/faulty.cpp")}};
creator.generatePch(faultyProjectPart);
ASSERT_THAT(creator.projectPartPch(),
AllOf(Field(&ProjectPartPch::projectPartId, Eq("faultyProject")),
Field(&ProjectPartPch::pchPath, IsEmpty()),
Field(&ProjectPartPch::lastModified, Eq(-1))));
}
TEST_F(PchCreator, CreateProjectPartSourcesContent)
{
auto content = creator.generateProjectPartSourcesContent(projectPart1);
ASSERT_THAT(content, Eq("#include \"" TESTDATA_DIR "/builddependencycollector/project/main3.cpp\"\n"));
}
TEST_F(PchCreator, Call)
{
auto content = creator.generateProjectPartSourcesContent(projectPart1);
ASSERT_THAT(content, Eq("#include \"" TESTDATA_DIR "/builddependencycollector/project/main3.cpp\"\n"));
}
}
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