Added regression tests for comparing ECLfiles using CTest

compareECLFiles.cmake

@@ -0,0 +1,39 @@
+# Set absolute tolerance to be used for testing
+set(abs_tol 2e-2)
+set(rel_tol 1e-5)
+# Define some paths
+set(RESULT_PATH ${PROJECT_BINARY_DIR}/tests/results)
+# Create directory to store upscaling results in
+
+###########################################################################
+# TEST: compareECLFiles 
+###########################################################################
+
+# Input: 
+#   - casename: basename (no extension) 
+#
+macro (add_test_compareECLFiles casename filename)
+  
+  # Add test that runs flow and outputs the results to file
+  opm_add_test(compareECLFiles_${filename} NO_COMPILE
+               EXE_NAME flow    
+	       DRIVER_ARGS ${OPM_DATA_ROOT}/${casename} ${RESULT_PATH}
+                           ${CMAKE_BINARY_DIR}/bin
+                           ${filename}
+                           ${abs_tol} ${rel_tol}
+			   ${SUMMARY_REGRESSION_TEST_COMMAND} 
+			   ${RESTART_REGRESSION_TEST_COMMAND} 
+			   ${INIT_REGRESSION_TEST_COMMAND} 
+               TEST_ARGS ${OPM_DATA_ROOT}/${casename}/${filename}.DATA )
+endmacro (add_test_compareECLFiles)
+
+
+if(NOT TARGET test-suite)
+  add_custom_target(test-suite)
+endif()
+
+
+opm_set_test_driver(${PROJECT_SOURCE_DIR}/tests/run-regressionTest.sh "")
+
+add_test_compareECLFiles(spe9 SPE9_CP)
+