Added Test Mapping framework and running through a path.

components/script/dom/Test_mapping.json

@@ -0,0 +1,10 @@
+{
+  "xmlhttprequest.rs":
+  [
+       "XMLHttpRequest"
+  ],
+  "range.rs":
+  [
+         "dom/ranges"
+  ]
+}

python/servo/mutation/init.py

@@ -0,0 +1,29 @@
+from os import listdir
+from os.path import isfile, isdir, join
+import json
+import sys
+import test
+
+def get_folders_list(path):
+    folder_list = []
+    for filename in listdir(path):
+    	if (isdir(join(path, filename))):
+			folder_name = join(path,filename)
+			folder_list.append(folder_name)
+    return(folder_list)
+
+def mutation_test_for(mutation_path):
+    test_mapping_file = join(mutation_path, 'Test_mapping.json')
+    if(isfile(test_mapping_file)):
+        json_data = open(test_mapping_file).read()
+        test_mapping = json.loads(json_data)
+
+        for src_file in test_mapping.keys():
+            test.mutation_test(join(mutation_path,src_file.encode('utf-8')), test_mapping[src_file])
+
+        for folder in get_folders_list(mutation_path):
+            mutation_test_for(folder)
+    else:
+		print ("This folder %s has no test mapping file." %(mutation_path))
+
+mutation_test_for(sys.argv[1])

python/servo/mutation/test.py

@@ -10,7 +10,7 @@ def mutate_line(file_name, line_number):
     out.writelines(lines)
     out.close()
 
-def mutation_test(file_name):
+def mutation_test(file_name, tests):
     lineNumbers = []
     for line in fileinput.input(file_name):
         if re.search(r'\s&&\s', line):
@@ -21,17 +21,16 @@ def mutation_test(file_name):
         mutate_line(file_name, lineToMutate)
         print "compling mutant {0}-{1}".format(file_name, lineToMutate)
         sys.stdout.flush()
-        subprocess.call('python mach build --release', shell=True)
+        #subprocess.call('python mach build --release', shell=True)
         print "running tests for mutant {0}-{1}".format(file_name, lineToMutate)
         sys.stdout.flush()
-        testStatus = subprocess.call('python mach test-wpt XMLHttpRequest --release', shell=True)
+        for test in tests:
+            testStatus = subprocess.call("python mach test-wpt {0} --release".format(test.encode('utf-8')), shell=True)
             if testStatus != 0:
-            print('Failed in while running `python mach test-wpt XMLHttpRequest --release`')
+                print('Failed in while running `python mach test-wpt {0} --release`'.format(test.encode('utf-8')))
                 print "mutated file {0} diff".format(file_name)
                 sys.stdout.flush()
                 subprocess.call('git --no-pager diff {0}'.format(file_name), shell=True)
         print "reverting mutant {0}-{1}".format(file_name, lineToMutate)
         sys.stdout.flush()
         subprocess.call('git checkout {0}'.format(file_name), shell=True)
-
-mutation_test('components/script/dom/xmlhttprequest.rs')