Add test:type to skip by connection type

unit-tests/live/metadata/test-usb-type-found.py

@@ -2,8 +2,9 @@
 # Copyright(c) 2023 RealSense, Inc. All Rights Reserved.
 
 
-#test:device each(D400*) !D457
-#test:device each(D500*) !D555
+#test:device each(D400*)
+#test:device each(D500*)
+#test:type USB
 
 
 import pyrealsense2 as rs

unit-tests/py/rspy/devices.py

@@ -116,6 +116,10 @@ def name( self ):
     def product_line( self ):
         return self._product_line
 
+    @property
+    def connection_type( self ):
+        return self._connection_type
+
     @property
     def physical_port( self ):
         return self._physical_port

unit-tests/py/rspy/libci.py

@@ -87,6 +87,7 @@ def __init__( self, context ):
         self._configurations = list()
         self._priority = 1000
         self._tags = set()
+        self._types = set()  # usage: test:type <type> or test:type !<type>
         self._flags = set()
         self._timeout = 200
         self._retries = 0
@@ -130,6 +131,10 @@ def retries( self ):
     def tags( self ):
         return self._tags
 
+    @property
+    def types( self ):
+        return self._types
+
     @property
     def flags( self ):
         return self._flags
@@ -239,6 +244,8 @@ def derive_config_from_text( self, source, line_prefix ):
                            params )
             elif directive == 'tag':
                 self._tags.update( map( str.lower, params ))  # tags are case-insensitive
+            elif directive == 'type':
+                self._types.update( map( str.lower, params ))
             elif directive == 'flag':
                 self._flags.update( params )
             elif directive == 'donotrun':

unit-tests/run-unit-tests.py

@@ -664,6 +664,26 @@ def close_hubs():
             #
             test_ok = True
             for configuration, serial_numbers in devices_by_test_config( test, exceptions ):
+                # Currently, with all of our tests, serial_numbers holds a single serial number
+                # We will see multiple devices on serial_numbers only if the test specifies multiple devices in a
+                # single line. For example: "test:device D435 D455" will require both devices simultaneity
+
+                skip_test = False
+                for sn in serial_numbers:
+                    conn_type = devices.get(sn).connection_type.lower()
+                    excluded_connections = [ t[1:].lower() for t in test.config.types if t.startswith('!') ]
+                    required_connections = [ t.lower() for t in test.config.types if not t.startswith('!') ]
+                    if conn_type in excluded_connections:
+                        skip_test = True
+                        break
+                    if required_connections and conn_type not in required_connections:
+                        skip_test = True
+                        break
+
+                if skip_test:
+                    log.d( f'connection type does not fit {test.config.types}; skipping' )
+                    continue
+
                 for repetition in range(repeat):
                     try:
                         log.d( 'configuration:', configuration_str( configuration, repetition, sns=serial_numbers ) )