Python: Add test for how arguments to *args and **kwargs are handled

Author: RasmusWL

python/ql/test/library-tests/PointsTo/calls/CallPointsTo.expected

@@ -15,3 +15,5 @@
 | 42 | ControlFlowNode for Attribute() | Method(Function C.n, C()) |
 | 45 | ControlFlowNode for open() | Builtin-function open |
 | 46 | ControlFlowNode for open() | Builtin-function open |
+| 51 | ControlFlowNode for foo() | Function foo |
+| 55 | ControlFlowNode for bar() | Function bar |

python/ql/test/library-tests/PointsTo/calls/GetACall.expected

@@ -19,3 +19,5 @@
 | 42 | ControlFlowNode for Attribute() | Method(Function C.n, C()) |
 | 45 | ControlFlowNode for open() | Builtin-function open |
 | 46 | ControlFlowNode for open() | Builtin-function open |
+| 51 | ControlFlowNode for foo() | Function foo |
+| 55 | ControlFlowNode for bar() | Function bar |

python/ql/test/library-tests/PointsTo/calls/getArgumentForCall.expected

@@ -28,3 +28,7 @@
 | 42 | ControlFlowNode for Attribute() | Method(Function C.n, C()) | 0 | ControlFlowNode for IntegerLiteral |
 | 45 | ControlFlowNode for open() | Builtin-function open | 0 | ControlFlowNode for Str |
 | 45 | ControlFlowNode for open() | Builtin-function open | 1 | ControlFlowNode for Str |
+| 51 | ControlFlowNode for foo() | Function foo | 0 | ControlFlowNode for IntegerLiteral |
+| 51 | ControlFlowNode for foo() | Function foo | 1 | ControlFlowNode for IntegerLiteral |
+| 51 | ControlFlowNode for foo() | Function foo | 2 | ControlFlowNode for IntegerLiteral |
+| 55 | ControlFlowNode for bar() | Function bar | 0 | ControlFlowNode for IntegerLiteral |

python/ql/test/library-tests/PointsTo/calls/getNamedArgumentForCall.expected

@@ -23,3 +23,5 @@
 | 42 | ControlFlowNode for Attribute() | Function C.n | arg1 | ControlFlowNode for IntegerLiteral |
 | 42 | ControlFlowNode for Attribute() | Function C.n | self | ControlFlowNode for c |
 | 42 | ControlFlowNode for Attribute() | Method(Function C.n, C()) | arg1 | ControlFlowNode for IntegerLiteral |
+| 51 | ControlFlowNode for foo() | Function foo | a | ControlFlowNode for IntegerLiteral |
+| 55 | ControlFlowNode for bar() | Function bar | a | ControlFlowNode for IntegerLiteral |

python/ql/test/library-tests/PointsTo/calls/getParameter.expected

@@ -1,9 +1,11 @@
 | Function C.n | 0 | ControlFlowNode for self |
 | Function C.n | 1 | ControlFlowNode for arg1 |
 | Function D.foo | 0 | ControlFlowNode for arg |
+| Function bar | 0 | ControlFlowNode for a |
 | Function f | 0 | ControlFlowNode for arg0 |
 | Function f | 1 | ControlFlowNode for arg1 |
 | Function f | 2 | ControlFlowNode for arg2 |
+| Function foo | 0 | ControlFlowNode for a |
 | Method(Function C.n, C()) | 0 | ControlFlowNode for arg1 |
 | Method(Function C.n, class C) | 0 | ControlFlowNode for arg1 |
 | Method(Function f, C()) | 0 | ControlFlowNode for arg1 |

python/ql/test/library-tests/PointsTo/calls/getParameterByName.expected

@@ -1,9 +1,11 @@
 | Function C.n | arg1 | ControlFlowNode for arg1 |
 | Function C.n | self | ControlFlowNode for self |
 | Function D.foo | arg | ControlFlowNode for arg |
+| Function bar | a | ControlFlowNode for a |
 | Function f | arg0 | ControlFlowNode for arg0 |
 | Function f | arg1 | ControlFlowNode for arg1 |
 | Function f | arg2 | ControlFlowNode for arg2 |
+| Function foo | a | ControlFlowNode for a |
 | Method(Function C.n, C()) | arg1 | ControlFlowNode for arg1 |
 | Method(Function C.n, class C) | arg1 | ControlFlowNode for arg1 |
 | Method(Function f, C()) | arg1 | ControlFlowNode for arg1 |

python/ql/test/library-tests/PointsTo/calls/test.py

@@ -44,3 +44,12 @@ def foo(arg):
 # positional/keyword arguments for a builtin function
 open("foo.txt", "rb") # TODO: Not handled by getNamedArgumentForCall
 open(file="foo.txt", mode="rb") # TODO: Not handled by either getNamedArgumentForCall or getArgumentForCall
+
+# Testing how arguments to *args and **kwargs are handled
+def foo(a, *args):
+    pass
+foo(1, 2, 3)
+
+def bar(a, **kwargs):
+    pass
+bar(a=1, b=2, c=3) # TODO: no result for `b` or `c` with getNamedArgumentForCall