CppTools: Tests: Stop writing into source dir

Instead, always write into a unique temporary directory in
QDir::tempPath().

Where applicable, read the test source from files instead of first
writing the file.

Some clean ups in test_codegen*.

Change-Id: Id48dc50c6ca16252edfd9fc8a86ba0de9f9be486
Reviewed-by: Christian Stenger <christian.stenger@theqtcompany.com>
Reviewed-by: Erik Verbruggen <erik.verbruggen@theqtcompany.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/src/plugins/cpptools/cppcompletion_test.cpp b/src/plugins/cpptools/cppcompletion_test.cpp
index a5eef43fa5..c88a62293e 100644
--- a/src/plugins/cpptools/cppcompletion_test.cpp
+++ b/src/plugins/cpptools/cppcompletion_test.cpp
@@ -73,8 +73,10 @@ public:
         m_source[m_position] = ' ';
 
         // Write source to file
-        const QString fileName = QDir::tempPath() + QLatin1String("/file.h");
-        QVERIFY(writeFile(fileName, m_source));
+        m_temporaryDir.reset(new Tests::TemporaryDir());
+        QVERIFY(m_temporaryDir->isValid());
+        const QString fileName = m_temporaryDir->createFile("file.h", m_source);
+        QVERIFY(!fileName.isEmpty());
 
         // Open in editor
         m_editor = EditorManager::openEditor(fileName);
@@ -150,6 +152,7 @@ private:
     QByteArray m_source;
     int m_position;
     Snapshot m_snapshot;
+    QScopedPointer<Tests::TemporaryDir> m_temporaryDir;
     TextEditorWidget *m_editorWidget;
     QTextDocument *m_textDocument;
     IEditor *m_editor;