changed scoring paradigm to be tests passed / total tests

bin/unit_test

@@ -118,33 +118,11 @@ inform("tests were set up successfully", color=SUCCESS)
 #            initialize variables for keeping track of the grade              #
 #-----------------------------------------------------------------------------#
 
-# total points
-overall_score  = 100.0
-
-# total points valgrind tests are worth
-valgrind_score = 15.0
-
-# number of points the standard tests are worth
-standard_score = overall_score - valgrind_score
-
-# score keeps track of the student's overall score
-score = 0.0
-
-# test_results stores the results of the regular tests
-standard_test_results = []
-
-# valgrind_test_results stores the results of the valgrind tests
-valgrind_test_results = []
-
-# how many tests there are
 num_tests = len(test_names)
 
-# points per standard test
-standard_test_max = round(standard_score / num_tests, 3)
-
-# points per valgrind test
-valgrind_test_max = round(valgrind_score / num_tests, 3)
+num_tests_passed = 0
 
+num_valgrind_passed = 0
 
 #-----------------------------------------------------------------------------#
 #                            compile the tests                                #
@@ -164,7 +142,6 @@ else:
     cleanup()
     sys.exit(1)
 
-
 #-----------------------------------------------------------------------------#
 #                              run the tests                                  #
 #-----------------------------------------------------------------------------#
@@ -179,7 +156,7 @@ for test in test_names:
                                  universal_newlines = True)
     #test was successful
     if test_result.returncode == 0:
-        score += standard_test_max
+        num_tests_passed += 1
 
         inform("test passed", color=SUCCESS)
 
@@ -214,7 +191,7 @@ for test in test_names:
 
         if valgrind_passed:
             inform("valgrind passed", color=SUCCESS)
-            score += valgrind_test_max
+            num_valgrind_passed += 1
         else:
             inform("valgrind failed", color=FAILURE)
             inform(VALGRIND_RESULT.stderr, color=FAILURE)
@@ -234,17 +211,12 @@ for test in test_names:
         std_out("stderr", linebreak=True)
         inform(test_result.stderr, color=OUTPUT)
 
+inform(str(num_tests_passsed) + " / " + str(num_tests) +
+       " tests passed", color=INFO)
 
-# make sure final score is <= max (might happen b/c we're rounding)
-final_score = min([overall_score, round(score, 2)])
-
-# don't sandbag anyone b/c rounding
-if final_score > 99: final_score = 100
-
-inform("final score: " + str(final_score) + " / " + str(overall_score),
-       color=INFO)
+inform(str(num_valgrind_passsed) + " / " + str(num_tests) +
+       " valgrind tests passed", color=INFO)
 
 # clean up
 subprocess.run(['make','clean'])
 cleanup()
-