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, 20 insertions, 4 deletions

diff --git a/src/plugins/cpptools/cpptoolstestcase.h b/src/plugins/cpptools/cpptoolstestcase.h
index bbe4629858..5cfa8eba40 100644
--- a/src/plugins/cpptools/cpptoolstestcase.h
+++ b/src/plugins/cpptools/cpptoolstestcase.h
@@ -60,10 +60,13 @@ class CPPTOOLS_EXPORT TestDocument
 public:
     TestDocument(const QByteArray &fileName, const QByteArray &source, char cursorMarker = '@');
 
+    void setBaseDirectory(const QString &baseDirectory) { m_baseDirectory = baseDirectory; }
+
     QString filePath() const;
     bool writeToDisk() const;
 
 public:
+    QString m_baseDirectory;
     QString m_fileName;
     QString m_source;
     char m_cursorMarker;
@@ -124,20 +127,33 @@ private:
     QList<ProjectExplorer::Project *> m_openProjects;
 };
 
-class CPPTOOLS_EXPORT TemporaryCopiedDir
+class TemporaryDir
 {
+    Q_DISABLE_COPY(TemporaryDir)
+
 public:
-    TemporaryCopiedDir(const QString &sourceDirPath);
+    TemporaryDir();
 
     bool isValid() const { return m_isValid; }
     QString path() const { return m_temporaryDir.path(); }
-    QString absolutePath(const QByteArray &relativePath) const;
 
-private:
+    QString createFile(const QByteArray &relativePath, const QByteArray &contents);
+
+protected:
     QTemporaryDir m_temporaryDir;
     bool m_isValid;
 };
 
+class CPPTOOLS_EXPORT TemporaryCopiedDir : public TemporaryDir
+{
+public:
+    TemporaryCopiedDir(const QString &sourceDirPath);
+    QString absolutePath(const QByteArray &relativePath) const;
+
+private:
+    TemporaryCopiedDir();
+};
+
 class CPPTOOLS_EXPORT VerifyCleanCppModelManager
 {
 public: