[gegl] tests: Set GEGL_PATH before running detect_opencl

[Daniel Sabo <daniels src gnome org>]

commit fbcfed7e62325151e19b4ad262e9aef0567c1b66
Author: Daniel Sabo <DanielSabo gmail com>
Date:   Sat Nov 9 22:31:19 2013 -0800

    tests: Set GEGL_PATH before running detect_opencl

 tests/compositions/run-compositions.py |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/tests/compositions/run-compositions.py b/tests/compositions/run-compositions.py
index f49db54..94bec3a 100755
--- a/tests/compositions/run-compositions.py
+++ b/tests/compositions/run-compositions.py
@@ -51,7 +51,11 @@ class Context():
         raise RuntimeError("Could not locate required file: %s" % prog)
 
     FNULL = open(os.devnull, 'w')
-    self.opencl_available = not subprocess.call(self.detect_opencl_bin, stdout=FNULL)
+
+    test_env = os.environ.copy()
+    test_env["GEGL_SWAP"] = "RAM"
+    test_env["GEGL_PATH"] = os.path.join(self.build_dir, "operations")
+    self.opencl_available = not subprocess.call(self.detect_opencl_bin, stdout=FNULL, env=test_env)
 
     self.ref_dir = os.path.join(self.src_dir, "tests", "compositions", "reference")
     self.output_dir = os.path.join(self.build_dir, "tests", "compositions", "output")