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VcsManager: Add unit tests

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Add some unit tests to the VcsManager to test the detection and
caching of version control systems.

Change-Id: I2b3f9218c12aebde8a8120fc869efc76c36ae41a
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
This commit is contained in:
Tobias Hunger
2013-12-06 13:38:36 +01:00
parent d20dd06abb
commit f82b12e36c
4 changed files with 297 additions and 0 deletions
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187
src/plugins/coreplugin/vcsmanager.cpp
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@@ -59,6 +59,10 @@ static inline VersionControlList allVersionControls()
return ExtensionSystem::PluginManager::getObjects<IVersionControl>();
}
#if defined(WITH_TESTS)
const char TEST_PREFIX[] = "/8E3A9BA0-0B97-40DF-AEC1-2BDF9FC9EDBE/";
#endif
// ---- VCSManagerPrivate:
// Maintains a cache of top-level directory->version control.
@@ -274,6 +278,11 @@ IVersionControl* VcsManager::findVersionControlForDirectory(const QString &input
// Register Vcs(s) with the cache
QString tmpDir = QFileInfo(directory).canonicalFilePath();
#if defined WITH_TESTS
// Force caching of test directories (even though they do not exist):
if (directory.startsWith(QLatin1String(TEST_PREFIX)))
tmpDir = directory;
#endif
// directory might refer to a historical directory which doesn't exist.
// In this case, don't cache it.
if (!tmpDir.isEmpty()) {
@@ -450,3 +459,181 @@ void VcsManager::configureVcs()
}
} // namespace Core
#if defined(WITH_TESTS)
#include <QtTest>
#include "coreplugin.h"
#include "iversioncontrol.h"
#include <extensionsystem/pluginmanager.h>
namespace Core {
namespace Internal {
const char ID_VCS_A[] = "A";
const char ID_VCS_B[] = "B";
typedef QHash<QString, QString> FileHash;
template<class T>
class ObjectPoolGuard
{
public:
ObjectPoolGuard(T *watch) : m_watched(watch)
{
ExtensionSystem::PluginManager::addObject(watch);
}
operator bool() { return m_watched; }
bool operator !() { return !m_watched; }
T &operator*() { return *m_watched; }
T *operator->() { return m_watched; }
T *value() { return m_watched; }
~ObjectPoolGuard()
{
ExtensionSystem::PluginManager::removeObject(m_watched);
delete m_watched;
}
private:
T *m_watched;
};
static FileHash makeHash(const QStringList &list)
{
FileHash result;
foreach (const QString &i, list) {
QStringList parts = i.split(QLatin1Char(':'));
QTC_ASSERT(parts.count() == 2, continue);
result.insert(QString::fromLatin1(TEST_PREFIX) + parts.at(0),
QString::fromLatin1(TEST_PREFIX) + parts.at(1));
}
return result;
}
static QString makeString(const QString &s)
{
if (s.isEmpty())
return QString();
return QString::fromLatin1(TEST_PREFIX) + s;
}
void CorePlugin::testVcsManager_data()
{
// avoid conflicts with real files and directories:
QTest::addColumn<QStringList>("dirsVcsA"); // <directory>:<toplevel>
QTest::addColumn<QStringList>("dirsVcsB"); // <directory>:<toplevel>
// <directory>:<toplevel>:<vcsid>:<- from cache, * from VCS>
QTest::addColumn<QStringList>("results");
QTest::newRow("A and B next to each other")
<< (QStringList()
<< QLatin1String("a:a") << QLatin1String("a/1:a") << QLatin1String("a/2:a")
<< QLatin1String("a/2/5:a") << QLatin1String("a/2/5/6:a"))
<< (QStringList()
<< QLatin1String("b:b") << QLatin1String("b/3:b") << QLatin1String("b/4:b"))
<< (QStringList()
<< QLatin1String(":::-") // empty directory to look up
<< QLatin1String("c:::*") // Neither in A nor B
<< QLatin1String("a:a:A:*") // in A
<< QLatin1String("b:b:B:*") // in B
<< QLatin1String("b/3:b:B:*") // in B
<< QLatin1String("b/4:b:B:*") // in B
<< QLatin1String("a/1:a:A:*") // in A
<< QLatin1String("a/2:a:A:*") // in A
<< QLatin1String(":::-") // empty directory to look up
<< QLatin1String("a/2/5/6:a:A:*") // in A
<< QLatin1String("a/2/5:a:A:-") // in A (cached from before!)
// repeat: These need to come from the cache now:
<< QLatin1String("c:::-") // Neither in A nor B
<< QLatin1String("a:a:A:-") // in A
<< QLatin1String("b:b:B:-") // in B
<< QLatin1String("b/3:b:B:-") // in B
<< QLatin1String("b/4:b:B:-") // in B
<< QLatin1String("a/1:a:A:-") // in A
<< QLatin1String("a/2:a:A:-") // in A
<< QLatin1String("a/2/5/6:a:A:-") // in A
<< QLatin1String("a/2/5:a:A:-") // in A
);
QTest::newRow("B in A")
<< (QStringList()
<< QLatin1String("a:a") << QLatin1String("a/1:a") << QLatin1String("a/2:a")
<< QLatin1String("a/2/5:a") << QLatin1String("a/2/5/6:a"))
<< (QStringList()
<< QLatin1String("a/1/b:a/1/b") << QLatin1String("a/1/b/3:a/1/b")
<< QLatin1String("a/1/b/4:a/1/b") << QLatin1String("a/1/b/3/5:a/1/b")
<< QLatin1String("a/1/b/3/5/6:a/1/b"))
<< (QStringList()
<< QLatin1String("a:a:A:*") // in A
<< QLatin1String("c:::*") // Neither in A nor B
<< QLatin1String("a/3:::*") // Neither in A nor B
<< QLatin1String("a/1/b/x:::*") // Neither in A nor B
<< QLatin1String("a/1/b:a/1/b:B:*") // in B
<< QLatin1String("a/1:a:A:*") // in A
<< QLatin1String("a/1/b/../../2:a:A:*") // in A
);
QTest::newRow("A and B") // first one wins...
<< (QStringList() << QLatin1String("a:a") << QLatin1String("a/1:a") << QLatin1String("a/2:a"))
<< (QStringList() << QLatin1String("a:a") << QLatin1String("a/1:a") << QLatin1String("a/2:a"))
<< (QStringList() << QLatin1String("a/2:a:A:*"));
}
void CorePlugin::testVcsManager()
{
// setup:
ObjectPoolGuard<TestVersionControl> vcsA(new TestVersionControl(ID_VCS_A, QLatin1String("A")));
ObjectPoolGuard<TestVersionControl> vcsB(new TestVersionControl(ID_VCS_B, QLatin1String("B")));
// test:
QFETCH(QStringList, dirsVcsA);
QFETCH(QStringList, dirsVcsB);
QFETCH(QStringList, results);
vcsA->setManagedDirectories(makeHash(dirsVcsA));
vcsB->setManagedDirectories(makeHash(dirsVcsB));
QString realTopLevel = QLatin1String("ABC"); // Make sure this gets cleared if needed.
// From VCSes:
int expectedCount = 0;
foreach (const QString &result, results) {
// qDebug() << "Expecting:" << result;
QStringList split = result.split(QLatin1String(":"));
QCOMPARE(split.count(), 4);
QVERIFY(split.at(3) == QLatin1String("*") || split.at(3) == QLatin1String("-"));
const QString directory = split.at(0);
const QString topLevel = split.at(1);
const QString vcsId = split.at(2);
bool fromCache = split.at(3) == QLatin1String("-");
if (!fromCache && !directory.isEmpty())
++expectedCount;
IVersionControl *vcs;
vcs = VcsManager::findVersionControlForDirectory(makeString(directory), &realTopLevel);
QCOMPARE(realTopLevel, makeString(topLevel));
if (vcs)
QCOMPARE(vcs->id().toString(), vcsId);
else
QCOMPARE(QString(), vcsId);
QCOMPARE(vcsA->dirCount(), expectedCount);
QCOMPARE(vcsA->fileCount(), 0);
QCOMPARE(vcsB->dirCount(), expectedCount);
QCOMPARE(vcsB->fileCount(), 0);
}
// teardown:
// handled by guards
}
} // namespace Internal
} // namespace Core
#endif