launcher: Print test number in the order they finish

Instead of the test index in the list of tests as it is
meaningless to the user and feels weird.

Also minor fix in the test name display when running with --forever.

validate/launcher/baseclasses.py

@@ -1561,10 +1561,6 @@ class _TestsLauncher(Loggable):
                 return True
         return False
 
-    def get_test_num(self, test):
-        cur_test_num = self.tests.index(test) + 1
-        return "[%d / %d] " % (cur_test_num, self.total_num_tests)
-
     def server_wrapper(self, ready):
         self.server = GstValidateTCPServer(
             ('localhost', 0), GstValidateListener)
@@ -1656,6 +1652,7 @@ class _TestsLauncher(Loggable):
             random.shuffle(tests)
             random.shuffle(alone_tests)
 
+        current_test_num = 1
         for num_jobs, tests in [(max_num_jobs, tests), (1, alone_tests)]:
             tests_left = list(tests)
             for i in range(num_jobs):
@@ -1666,7 +1663,8 @@ class _TestsLauncher(Loggable):
             while jobs_running != 0:
                 test = self.tests_wait()
                 jobs_running -= 1
-                test.number = self.get_test_num(test)
+                test.number = "[%d / %d] " % (current_test_num, self.total_num_tests)
+                current_test_num += 1
                 res = test.test_end()
                 self.reporter.after_test(test)
                 if res != Result.PASSED and (self.options.forever or
@@ -1687,8 +1685,7 @@ class _TestsLauncher(Loggable):
         if self.options.forever:
             r = 1
             while True:
-                t = "Running iteration %d" % r
+                printc("Running iteration %d" % r, title=True)
-                print("%s\n%s\n%s\n" % ("=" * len(t), t, "=" * len(t)))
 
                 if not self._run_tests():
                     break

validate/launcher/utils.py

@@ -102,6 +102,7 @@ def desactivate_colors():
     Colors.FAIL = ''
     Colors.ENDC = ''
 
+
 if not supports_ansi_colors():
     desactivate_colors()
 
@@ -145,8 +146,11 @@ def get_color_for_result(result):
     return color
 
 
-last_cariage_return_len = 0
+last_carriage_return_len = 0
+
+
 def printc(message, color="", title=False, title_char='', end="\n"):
+    global last_carriage_return_len
     if title or title_char:
         length = 0
         for l in message.split("\n"):
@@ -155,10 +159,13 @@ def printc(message, color="", title=False, title_char='', end="\n"):
         if length == 0:
             length = len(message)
 
+        needed_spaces = ' ' * max(0, last_carriage_return_len - length)
         if title is True:
-            message = length * "=" + "\n" + str(message) + "\n" + length * '='
+            message = length * "=" + needed_spaces + "\n" \
+                + str(message) + "\n" + length * '='
         else:
-            message = str(message) + "\n" + length * title_char
+            message = str(message) + needed_spaces + "\n" + \
+                length * title_char
 
     if hasattr(message, "result") and color == '':
         color = get_color_for_result(message.result)
@@ -166,13 +173,8 @@ def printc(message, color="", title=False, title_char='', end="\n"):
     if not sys.stdout.isatty():
         end = "\n"
 
-    global last_carriage_return_len
+    message += ' ' * max(0, last_carriage_return_len - len(message))
-    if end == "\r":
+    last_carriage_return_len = len(message) if end == "\r" else 0
-        message += ' ' * max(0, last_carriage_return_len - len(message))
-        last_carriage_return_len = len(message)
-    else:
-        last_carriage_return_len = 0
-
     sys.stdout.write(color + str(message) + Colors.ENDC + end)
     sys.stdout.flush()
 
@@ -267,6 +269,7 @@ def get_data_file(subdir, name):
 def gsttime_from_tuple(stime):
     return int((int(stime[0]) * 3600 + int(stime[1]) * 60 + int(stime[2])) * GST_SECOND + int(stime[3]))
 
+
 timeregex = re.compile(r'(?P<_0>.+):(?P<_1>.+):(?P<_2>.+)\.(?P<_3>.+)')