Prevent user code from hanging qbs during resolving.

Long-running commands are handled already, but badly written project
files could still hang qbs with e.g. infinite JS loops on the right
hand side of a binding. Such code can now also be interrupted.

Change-Id: Ie0d114bd37d540e764d5ec5bb323c91bfd64a67a
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>

3 files changed, 24 insertions, 4 deletions

diff --git a/tests/auto/api/testdata/infinite-loop-resolving/project.qbs b/tests/auto/api/testdata/infinite-loop-resolving/project.qbs
new file mode 100644
index 000000000..b690f5041
--- /dev/null
+++ b/tests/auto/api/testdata/infinite-loop-resolving/project.qbs
@@ -0,0 +1,5 @@
+import qbs
+
+Product {
+    type: { while (true); return "Haha!"; }
+}
diff --git a/tests/auto/api/tst_api.cpp b/tests/auto/api/tst_api.cpp
index 13af57c4a..2e441d220 100644
--- a/tests/auto/api/tst_api.cpp
+++ b/tests/auto/api/tst_api.cpp
@@ -429,7 +429,7 @@ void TestApi::fileTagsFilterOverride()
     QVERIFY(installableFiles.first().targetDirectory().contains("habicht"));
 }
 
-void TestApi::infiniteLoop()
+void TestApi::infiniteLoopBuilding()
 {
     QFETCH(QString, projectDirName);
     qbs::SetupProjectParameters setupParams = defaultSetupParameters();
@@ -446,13 +446,27 @@ void TestApi::infiniteLoop()
     QVERIFY(waitForFinished(buildJob.data(), 3000));
 }
 
-void TestApi::infiniteLoop_data()
+void TestApi::infiniteLoopBuilding_data()
 {
     QTest::addColumn<QString>("projectDirName");
     QTest::newRow("JS Command") << QString("infinite-loop-js");
     QTest::newRow("Process Command") << QString("infinite-loop-process");
 }
 
+void TestApi::infiniteLoopResolving()
+{
+    qbs::SetupProjectParameters setupParams = defaultSetupParameters();
+    const QString projectDir = QDir::cleanPath(m_workingDataDir + "/infinite-loop-resolving");
+    setupParams.setProjectFilePath(projectDir + "/project.qbs");
+    setupParams.setBuildRoot(projectDir);
+    QScopedPointer<qbs::SetupProjectJob> setupJob(qbs::Project::setupProject(setupParams,
+                                                                             m_logSink, 0));
+    QTimer::singleShot(1000, setupJob.data(), SLOT(cancel()));
+    QVERIFY(waitForFinished(setupJob.data(), 3000));
+    QVERIFY2(setupJob->error().toString().toLower().contains("cancel"),
+             qPrintable(setupJob->error().toString()));
+}
+
 void TestApi::installableFiles()
 {
     qbs::SetupProjectParameters setupParams = defaultSetupParameters();
diff --git a/tests/auto/api/tst_api.h b/tests/auto/api/tst_api.h
index 6183346ce..9aab60651 100644
--- a/tests/auto/api/tst_api.h
+++ b/tests/auto/api/tst_api.h
@@ -51,8 +51,9 @@ private slots:
     void changeContent();
     void disabledInstallGroup();
     void fileTagsFilterOverride();
-    void infiniteLoop();
-    void infiniteLoop_data();
+    void infiniteLoopBuilding();
+    void infiniteLoopBuilding_data();
+    void infiniteLoopResolving();
     void installableFiles();
     void listBuildSystemFiles();
     void nonexistingProjectPropertyFromProduct();