python: add test for "ReturnValue.TupleElement[0,1]"

also synchronise files

Author: yoff

python/ql/test/experimental/dataflow/model-summaries/InlineTaintTest.ext.yml

@@ -3,7 +3,7 @@ extensions:
       pack: codeql/python-all
       extensible: summaryModel
     data:
-      - ["foo", "Member[MS_identity]", "Argument[0]", "ReturnValue", "value"]
+      - ["foo", "Member[MS_identity]", "Argument[0,x:]", "ReturnValue", "value"]
       - ["foo", "Member[MS_apply_lambda]", "Argument[1]", "Argument[0].Parameter[0]", "value"]
       - ["foo", "Member[MS_apply_lambda]", "Argument[0].ReturnValue", "ReturnValue", "value"]
       - ["foo", "Member[MS_reversed]", "Argument[0].ListElement", "ReturnValue.ListElement", "value"]
@@ -17,4 +17,5 @@ extensions:
       - ["foo", "Member[MS_append_to_list]", "Argument[1]", "ReturnValue", "taint"]
       - ["foo", "Member[MS_spread]", "Argument[0]", "ReturnValue.TupleElement[0]", "value"]
       - ["foo", "Member[MS_spread]", "Argument[1]", "ReturnValue.TupleElement[1]", "value"]
+      - ["foo", "Member[MS_spread_all]", "Argument[0]", "ReturnValue.TupleElement[0,1]", "value"]
       - ["json", "Member[MS_loads]", "Argument[0]", "ReturnValue", "taint"]

python/ql/test/experimental/dataflow/model-summaries/NormalDataflowTest.ext.yml

@@ -17,4 +17,5 @@ extensions:
       - ["foo", "Member[MS_append_to_list]", "Argument[1]", "ReturnValue", "taint"]
       - ["foo", "Member[MS_spread]", "Argument[0]", "ReturnValue.TupleElement[0]", "value"]
       - ["foo", "Member[MS_spread]", "Argument[1]", "ReturnValue.TupleElement[1]", "value"]
+      - ["foo", "Member[MS_spread_all]", "Argument[0]", "ReturnValue.TupleElement[0,1]", "value"]
       - ["json", "Member[MS_loads]", "Argument[0]", "ReturnValue", "taint"]

python/ql/test/experimental/dataflow/model-summaries/model_summaries.py

@@ -30,7 +30,7 @@ def SINK_F(x):
 ensure_tainted = ensure_not_tainted = print
 TAINTED_STRING = "TAINTED_STRING"
 
-from foo import MS_identity, MS_apply_lambda, MS_reversed, MS_list_map, MS_append_to_list, MS_spread
+from foo import MS_identity, MS_apply_lambda, MS_reversed, MS_list_map, MS_append_to_list, MS_spread, MS_spread_all
 
 # Simple summary
 via_identity = MS_identity(SOURCE)
@@ -118,6 +118,10 @@ def explicit_identity(x):
 SINK_F(x)
 SINK(y)  # $ flow="SOURCE, l:-2 -> y"
 
+a, b = MS_spread_all(SOURCE)
+SINK(a)  # $ flow="SOURCE, l:-1 -> a"
+SINK(b)  # $ flow="SOURCE, l:-2 -> b"
+
 # Modeled flow-summary is not value preserving
 from json import MS_loads as json_loads