Add test case check

Author: schedutron

script/validators/source_validator.py

@@ -66,6 +66,8 @@
     "src/codegen/util/cc_hash_table.cpp"
 ]
 
+TEST_CASE_PATT = re.compile(r'TEST_F\(([a-zA-Z]+), ([a-zA-Z]+)\)')
+
 ## ==============================================
 ##           UTILITY FUNCTION DEFINITIONS
 ## ==============================================
@@ -205,23 +207,35 @@ def check_includes(file_path):
 def check_tests(file_path):
     """Checks test source files for correct class and method naming."""
     # check class naming
-    file_status = True
+    class_status = True  # For reporting class names.
+    test_status = True  # For reporting test cases.
     line_num = 0
     with open(file_path, "r") as file:
         for line in file:
             line_num += 1
             if line.startswith('class '):
                 class_name = line.split(' ')[1]
                 if not class_name.endswith('Tests'):
-                    if file_status:
+                    if class_status:
                         LOG.info("Invalid class name in %s", file_path)
-                    file_status = False
+                        class_status = False
                     LOG.info("Line %s: %s", line_num, line.strip())
-        if not file_status:
+
+            else:
+                # Check test case names.
+                case_found = TEST_CASE_PATT.search(line)
+                if case_found and not case_found.groups()[1].endswith('Test'):
+                    if test_status:
+                        LOG.info("Invalid test name in %s", file_path)
+                        test_status = False
+                    LOG.info("Line %s: %s", line_num, line.strip())
+
+        if not class_status:
             LOG.info("Test class names should end with 'Tests' suffix.")
-    return file_status
-    
-    # check method naming
+        if not test_status:
+            LOG.info("Test case names should end with 'Test' suffix.")
+
+    return class_status and test_status
 
 VALIDATORS = [
     check_common_patterns,