[conduit] (Disabled) code for running soup tests under Xvfb

[John Carr <johncarr src gnome org>]

commit 2b488c761e5ed1acd066f193d75f1ae189ff66e9
Author: John Carr <john carr unrouted co uk>
Date:   Thu May 21 15:25:42 2009 +0100

    (Disabled) code for running soup tests under Xvfb
---
 test/soup/env/xvfb.py |   89 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 89 insertions(+), 0 deletions(-)

diff --git a/test/soup/env/xvfb.py b/test/soup/env/xvfb.py
new file mode 100644
index 0000000..eb03939
--- /dev/null
+++ b/test/soup/env/xvfb.py
@@ -0,0 +1,89 @@
+
+import os
+import signal
+import subprocess
+import sys, random, tempfile, time
+
+try:
+    from hashlib import md5
+except ImportError:
+    import md5
+
+
+import soup
+
+
+class Xvfb(soup.env.EnvironmentWrapper):
+
+    @classmethod
+    def enabled(cls, opts):
+        return False
+
+    def _get_display(self):
+        servernum = 99
+        while True:
+            if not os.path.exists('/tmp/.X%d-lock' % servernum):
+                break
+            servernum += 1
+        return str(servernum)
+
+    def _set_xauth(self, servernum):
+        paths = os.environ.get('PATH').split(':')
+        for path in paths:
+            if os.path.exists(os.path.join(path, "xauth")):
+                break
+        else:
+            raise AssertError("Unable to find xauth in PATH")
+
+        jhfolder = os.path.join(tempfile.gettempdir(), 'soup.%d' % os.getpid())
+        if os.path.exists(jhfolder):
+            raise AssertError("Soup Xvfb folder already exists")
+
+        try:
+            os.mkdir(jhfolder)
+            new_xauth = os.path.join(jhfolder, 'Xauthority')
+            open(new_xauth, 'w').close()
+            hexdigest = md5.md5(str(random.random())).hexdigest()
+            os.system('xauth -f "%s" add ":%s" "." "%s"' % (
+                new_xauth, servernum, hexdigest))
+        except OSError:
+            raise AssertError("Unable to setup XAuth")
+
+        return new_xauth
+
+    def prepare_environment(self):
+        self.old_display = os.environ['DISPLAY']
+        self.old_xauth = os.environ['XAUTHORITY']
+
+        self.new_display = self._get_display()
+        self.new_xauth = self._set_xauth(self.new_display)
+
+        os.environ['DISPLAY'] = ':' + self.new_display
+        os.environ['XAUTHORITY'] = self.new_xauth
+
+        self.xvfb = subprocess.Popen(['Xvfb',':'+self.new_display] + self.config, shell=False)
+
+        #FIXME: Is there a better way??
+        time.sleep(2)
+
+        if self.xvfb.poll() != None:
+            raise Fail
+
+    def finalize_environment(self):
+        if self.xvfb:
+            os.kill(self.xvfb.pid, signal.SIGINT)
+        if self.new_display:
+            os.system('xauth remove ":%s"' % self.new_display)
+        if self.new_xauth:
+            os.system('rm -r %s' % os.path.split(self.new_xauth)[0])
+
+        if self.old_display:
+            os.environ['DISPLAY'] = self.old_display
+        else:
+            del os.environ['DISPLAY']
+
+        if self.old_xauth:
+            os.environ['XAUTHORITY']
+        else:
+            del os.environ['XAUTHORITY']
+