From 639ce10071c90eab0d4935cf6bc2fa172b34ed04 Mon Sep 17 00:00:00 2001
From: Martin Kampas <martin.kampas@tieto.com>
Date: Fri, 29 Mar 2013 12:19:19 +0100
Subject: [PATCH] tests/sandbox: initial commit

---
 tests/sandbox/sandbox.pro                | 15 ++++
 tests/sandbox/sandboxfileenginehandler.h | 90 ++++++++++++++++++++++++
 tests/sandbox/sandboxhook.cpp            | 12 ++++
 tests/tests.pri                          |  2 +
 tests/tests.pro                          |  1 +
 5 files changed, 120 insertions(+)
 create mode 100644 tests/sandbox/sandbox.pro
 create mode 100644 tests/sandbox/sandboxfileenginehandler.h
 create mode 100644 tests/sandbox/sandboxhook.cpp

diff --git a/tests/sandbox/sandbox.pro b/tests/sandbox/sandbox.pro
new file mode 100644
index 0000000..f4a83bf
--- /dev/null
+++ b/tests/sandbox/sandbox.pro
@@ -0,0 +1,15 @@
+SOURCES = sandboxhook.cpp
+
+TEMPLATE = lib
+TARGET = sandboxhook
+CONFIG -= app_bundle
+CONFIG += console qtestlib
+QT -= gui
+QT += network testlib
+
+!include( ../tests.pri ) { error("Unable to find tests include") }
+
+unix:target.path = $${PREFIX}/$$TESTS_PATH
+INSTALLS += target
+
+!include( ../../buildpath.pri ) { error("Unable to find build path specification") }
diff --git a/tests/sandbox/sandboxfileenginehandler.h b/tests/sandbox/sandboxfileenginehandler.h
new file mode 100644
index 0000000..a2e2312
--- /dev/null
+++ b/tests/sandbox/sandboxfileenginehandler.h
@@ -0,0 +1,90 @@
+/**
+ * @file sandboxfileenginehandler.h
+ * @copyright 2013 Jolla Ltd.
+ * @author Martin Kampas <martin.kampas@tieto.com>
+ * @date 2013
+ */
+
+#ifndef _SANDBOXINGFILEENGINEHANDLER_H
+#define _SANDBOXINGFILEENGINEHANDLER_H
+
+#include <QtCore/QAbstractFileEngineHandler>
+#include <QtCore/QDir>
+#include <QtCore/QFSFileEngine>
+#include <QtCore/QFileInfo>
+#include <QtCore/QProcessEnvironment>
+#include <QtCore/QSet>
+
+#include <ssucoreconfig.h>
+#include "../../constants.h"
+
+/**
+ * Redirects all file operations on system configuration files to files under
+ * directory specified by SSU_TESTS_SANDBOX environment variable.
+ */
+class SandboxFileEngineHandler : public QAbstractFileEngineHandler {
+  public:
+    QAbstractFileEngine *create(const QString &fileName) const{
+      static bool enabled = false;
+      static bool firstCall = true;
+
+      if (!enabled && !firstCall){
+        return 0;
+      }
+
+      static QString sandboxPath =
+          QProcessEnvironment::systemEnvironment().value("SSU_TESTS_SANDBOX");
+
+      if (firstCall){
+        firstCall = false;
+
+        if (sandboxPath.isEmpty()){
+          return 0;
+        }
+
+        if (!QFileInfo(sandboxPath).exists()){
+          qFatal("%s: Invalid SSU_TESTS_SANDBOX value: No such file or directory",
+              qPrintable(sandboxPath));
+        }
+
+        if (!QFileInfo(sandboxPath).isDir()){
+          qFatal("%s: Invalid SSU_TESTS_SANDBOX value: Not a directory",
+              qPrintable(sandboxPath));
+        }
+
+        enabled = true;
+      }
+
+      if (!fileName.startsWith('/')){
+        return 0;
+      }
+
+      static QSet<QString> ssuConfigFiles = QSet<QString>()
+        << SSU_CONFIGURATION
+        << SSU_REPO_CONFIGURATION
+        << SSU_DEFAULT_CONFIGURATION
+        << SSU_BOARD_MAPPING_CONFIGURATION;
+
+      static QSet<QString> ssuConfigDirectories = QSet<QString>()
+        << SSU_BOARD_MAPPING_CONFIGURATION_DIR;
+
+      if (!ssuConfigFiles.contains(fileName)){
+        bool match = false;
+        foreach (const QString &ssuConfigDirectory, ssuConfigDirectories){
+          if (fileName.startsWith(ssuConfigDirectory + '/')){
+            match = true;
+            break;
+          }
+        }
+        if (!match){
+          return 0;
+        }
+      }
+
+      const QString fileName_ = QDir(sandboxPath).absoluteFilePath(QString(fileName).remove(0, 1));
+
+      return new QFSFileEngine(fileName_);
+    }
+};
+
+#endif
diff --git a/tests/sandbox/sandboxhook.cpp b/tests/sandbox/sandboxhook.cpp
new file mode 100644
index 0000000..7a9423c
--- /dev/null
+++ b/tests/sandbox/sandboxhook.cpp
@@ -0,0 +1,12 @@
+#include <dlfcn.h>
+
+#include "sandboxfileenginehandler.h"
+
+extern "C" void qt_startup_hook()
+{
+   SandboxFileEngineHandler *const handler = new SandboxFileEngineHandler();
+   Q_UNUSED(handler);
+
+   static void(*next_qt_startup_hook)() = (void (*)()) dlsym(RTLD_NEXT, "qt_startup_hook");
+   next_qt_startup_hook();
+}
diff --git a/tests/tests.pri b/tests/tests.pri
index 62db2f3..29b0ac5 100644
--- a/tests/tests.pri
+++ b/tests/tests.pri
@@ -1,3 +1,5 @@
+DEPENDPATH *= $${PWD}/sandbox
+
 TESTS_PATH = /opt/tests/ssu
 DEFINES += TESTS_PATH="'\"$${TESTS_PATH}\"'"
 
diff --git a/tests/tests.pro b/tests/tests.pro
index 8767aac..371c9cc 100644
--- a/tests/tests.pro
+++ b/tests/tests.pro
@@ -1,6 +1,7 @@
 TEMPLATE        = subdirs
 CONFIG         += qt ordered coverage debug
 SUBDIRS         = \
+        sandbox \
         ut_settings \
         ut_urlresolver \
         ut_variables \