Differential D4098 Diff 10209 languages/clang/tests/test_refactoring.cpp

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languages/clang/tests/test_refactoring.cpp

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1		/*
2		* Copyright 2017 Kevin Funk <kfunk@kde.org>
3		*
4		* This program is free software; you can redistribute it and/or
5		* modify it under the terms of the GNU General Public License as
6		* published by the Free Software Foundation; either version 2 of
7		* the License or (at your option) version 3 or any later version
8		* accepted by the membership of KDE e.V. (or its successor approved
9		* by the membership of KDE e.V.), which shall act as a proxy
10		* defined in Section 14 of version 3 of the license.
11		*
12		* This program is distributed in the hope that it will be useful,
13		* but WITHOUT ANY WARRANTY; without even the implied warranty of
14		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15		* GNU General Public License for more details.
16		*
17		* You should have received a copy of the GNU General Public License
18		* along with this program. If not, see <http://www.gnu.org/licenses/>.
19		*/
20
21		#include "test_refactoring.h"
22
23		#include <tests/testcore.h>
24		#include <tests/autotestshell.h>
25		#include <tests/testfile.h>
26		#include <tests/testproject.h>
27		#include <interfaces/ilanguagecontroller.h>
28
29		#include "codegen/clangrefactoring.h"
30
31		#include <language/duchain/duchainlock.h>
32		#include <language/duchain/declaration.h>
33		#include <language/interfaces/ilanguagesupport.h>
34
35		#include <QTemporaryDir>
36		#include <QtTest>
37
38		QTEST_MAIN(TestRefactoring);
39
40		using namespace KDevelop;
41
42		TestRefactoring::~TestRefactoring() = default;
43
44		void TestRefactoring::initTestCase()
45		{
46		QLoggingCategory::setFilterRules(QStringLiteral("*.debug=false\ndefault.debug=true\nkdevelop.plugins.clang.debug=true\n"));
47
48		QVERIFY(qputenv("KDEV_CLANG_DISPLAY_DIAGS", "1"));
49
50		AutoTestShell::init({QStringLiteral("kdevclangsupport")});
51
52		auto core = TestCore::initialize();
53		delete core->projectController();
54		m_projectController = new TestProjectController(core);
55		core->setProjectController(m_projectController);
56		}
57
58		void TestRefactoring::cleanupTestCase()
59		{
60		TestCore::shutdown();
61		}
62
63		void TestRefactoring::cleanup()
64		{
65		}
66
67		void TestRefactoring::init()
68		{
69		}
70
71		void TestRefactoring::testClassRename()
72		{
73		const QString codeBefore(R"(
74		class Foo {
	apolUnsubmitted Done Wouldn't it be better for the tests to have separate `before.cpp` and `after.cpp` files? Then we could do things like: action before.cpp > generated.cpp diff generated.cpp after.cpp apol: Wouldn't it be better for the tests to have separate `before.cpp` and `after.cpp` files? Then…
75		public:
76		Foo();
77		~Foo();
78		};
79		Foo::Foo() {
80		}
81		Foo::~Foo() {
82		}
83		)");
84
85		const QString codeAfter(R"(
86		class FooNew {
87		public:
88		FooNew();
89		~FooNew();
90		};
91		FooNew::FooNew() {
92		}
93		FooNew::~FooNew() {
94		}
95		)");
96
97		QTemporaryDir dir;
98		auto project = new TestProject(Path(dir.path()), this);
99		m_projectController->addProject(project);
100
101		TestFile file(codeBefore, "cpp", project, dir.path());
102		QVERIFY(file.parseAndWait(TopDUContext::AllDeclarationsContextsAndUses));
103
104		DUChainReadLocker lock;
105
106		auto top = file.topContext();
107		QVERIFY(top);
108
109		auto declaration = top->localDeclarations().first();
110		QVERIFY(declaration);
111
112		const QString originalName = declaration->identifier().identifier().str();
113		const QString newName = QStringLiteral("FooNew");
114
115		QSharedPointer<BasicRefactoringCollector> collector(new BasicRefactoringCollector(declaration));
116
117		// TODO: Do this without GUI?
118		UsesWidget uses(declaration, collector);
119		lock.unlock();
120
121		for (int i = 0; i < 30000; i += 1000) {
122		if (collector->isReady()) {
123		break;
124		}
125		QTest::qWait(1000);
126		}
127		QVERIFY(collector->isReady());
128
129		BasicRefactoring::NameAndCollector nameAndCollector{newName, collector};
130
131		auto languages = ICore::self()->languageController()->languagesForUrl(file.url().toUrl());
132		QVERIFY(!languages.isEmpty());
133		auto clangLanguageSupport = languages.first();
134		QVERIFY(clangLanguageSupport);
135		auto clangRefactoring = qobject_cast<ClangRefactoring*>(clangLanguageSupport->refactoring());
136		QVERIFY(clangRefactoring);
137
138		clangRefactoring->renameCollectedDeclarations(nameAndCollector.collector.data(), newName, originalName);
139		QCOMPARE(file.fileContents(), codeAfter);
140
141		m_projectController->closeAllProjects();
142		}
143