1+ using Dynamo ;
2+ using NUnit . Framework ;
3+ using System . Collections ;
4+
5+
6+ namespace IronPython3Tests
7+ {
8+ public class PythonEvalTests : UnitTestBase
9+ {
10+ public delegate object PythonEvaluatorDelegate ( string code , IList bindingNames , IList bindingValues ) ;
11+
12+ public IEnumerable < PythonEvaluatorDelegate > Evaluators = new List < PythonEvaluatorDelegate > {
13+ IronPython3 . Evaluator . IronPython3Evaluator . EvaluateIronPythonScript ,
14+ } ;
15+
16+ [ Test ]
17+ [ Category ( "UnitTests" ) ]
18+ public void EvaluatorWorks ( )
19+ {
20+ foreach ( var pythonEvaluator in Evaluators )
21+ {
22+ var empty = new ArrayList ( ) ;
23+ var output = pythonEvaluator ( "OUT = 0" , empty , empty ) ;
24+ Assert . AreEqual ( 0 , output ) ;
25+ }
26+ }
27+
28+ [ Test ]
29+ [ Category ( "UnitTests" ) ]
30+ public void BindingsWork ( )
31+ {
32+ const string expected = "Hi!" ;
33+
34+ var names = new ArrayList { "test" } ;
35+ var vals = new ArrayList { expected } ;
36+
37+ foreach ( var pythonEvaluator in Evaluators )
38+ {
39+ var output = pythonEvaluator (
40+ "OUT = test" ,
41+ names ,
42+ vals
43+ ) ;
44+
45+ Assert . AreEqual ( expected , output ) ;
46+ }
47+ }
48+
49+ [ Test ]
50+ [ Category ( "UnitTests" ) ]
51+ public void DataMarshaling_Output ( )
52+ {
53+ var marshaler = IronPython3 . Evaluator . IronPython3Evaluator . OutputMarshaler ;
54+ marshaler . RegisterMarshaler ( ( string s ) => s . Length ) ;
55+
56+ const string script = "OUT = ['', ' ', ' ']" ;
57+
58+ object output = IronPython3 . Evaluator . IronPython3Evaluator . EvaluateIronPythonScript (
59+ script ,
60+ new ArrayList ( ) ,
61+ new ArrayList ( ) ) ;
62+
63+ Assert . AreEqual ( new [ ] { 0 , 1 , 2 } , output ) ;
64+
65+ marshaler . UnregisterMarshalerOfType < string > ( ) ;
66+ }
67+
68+ [ Test ]
69+ [ Category ( "UnitTests" ) ]
70+ public void DataMarshaling_Input ( )
71+ {
72+ var marshaler = IronPython3 . Evaluator . IronPython3Evaluator . InputMarshaler ;
73+ marshaler . RegisterMarshaler ( ( string s ) => s . Length ) ;
74+
75+ const string script = "OUT = sum(IN)" ;
76+
77+ object output = IronPython3 . Evaluator . IronPython3Evaluator . EvaluateIronPythonScript (
78+ script ,
79+ new ArrayList { "IN" } ,
80+ new ArrayList { new ArrayList { " " , " " } } ) ;
81+
82+ Assert . AreEqual ( 3 , output ) ;
83+
84+ marshaler . UnregisterMarshalerOfType < string > ( ) ;
85+ }
86+
87+
88+ [ Test ]
89+ public void SliceOperator_Output ( )
90+ {
91+ var names = new ArrayList { "indx" } ;
92+ var vals = new ArrayList { 3 } ;
93+
94+ foreach ( var pythonEvaluator in Evaluators )
95+ {
96+ var output = pythonEvaluator (
97+ "OUT = [1,2,3,4,5,6,7][indx:indx+2]" ,
98+ names ,
99+ vals ) ;
100+
101+ var expected = new ArrayList { 4 , 5 } ;
102+
103+ Assert . AreEqual ( expected , output ) ;
104+ }
105+ }
106+
107+ [ Test ]
108+ public void IronPythonGivesCorrectErrorLineNumberAndLoadsStdLib ( )
109+ {
110+ var code = @"
111+ from xml.dom.minidom import parseString
112+ my_xml = parseString('invalid XML!')
113+ " ;
114+ try
115+ {
116+ IronPython3 . Evaluator . IronPython3Evaluator . EvaluateIronPythonScript ( code , new ArrayList ( ) , new ArrayList ( ) ) ;
117+ Assert . Fail ( "An exception was expected" ) ;
118+ }
119+ catch ( Exception exc )
120+ {
121+ StringAssert . StartsWith ( @"Traceback (most recent call last):
122+ File ""<string>"", line 3, in <module>" , exc . Message ) ;
123+ StringAssert . EndsWith ( "Data at the root level is invalid. Line 1, position 1." , exc . Message ) ;
124+ }
125+ }
126+
127+ [ Test ]
128+ public void NonListIterablesCanBeOutput ( )
129+ {
130+ var code = @"
131+ s = { 'hello' }
132+ fs = frozenset({ 'world' })
133+ d = { 'one': 1 }
134+ dk = d.keys()
135+ dv = d.values()
136+ di = d.items()
137+
138+ OUT = s,fs,dk,dv,di
139+ " ;
140+ var expected = new ArrayList
141+ {
142+ new ArrayList { "hello" } ,
143+ new ArrayList { "world" } ,
144+ new ArrayList { "one" } ,
145+ new ArrayList { 1 } ,
146+ new ArrayList { new ArrayList { "one" , 1 } }
147+ } ;
148+ var empty = new ArrayList ( ) ;
149+ foreach ( var pythonEvaluator in Evaluators )
150+ {
151+ var output = pythonEvaluator ( code , empty , empty ) ;
152+ Assert . AreEqual ( expected , output ) ;
153+ }
154+ }
155+ }
156+ }
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