From cff9b961924a86915c8e74d664efff5eadf8837d Mon Sep 17 00:00:00 2001
From: Chris <Christopher.Happe@uni-duesseldorf.de>
Date: Sun, 15 Nov 2020 11:03:33 +0100
Subject: [PATCH] =?UTF-8?q?Tests=20f=C3=BCr=20Breakpoints=20und=20unbekann?=
=?UTF-8?q?te=20Tokens?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
---
.../Interpreter/test_loop_interpreter.py | 25 +++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/info4/kapitel-8/Interpreter/test_loop_interpreter.py b/info4/kapitel-8/Interpreter/test_loop_interpreter.py
index f8552a8..1cb87c4 100644
--- a/info4/kapitel-8/Interpreter/test_loop_interpreter.py
+++ b/info4/kapitel-8/Interpreter/test_loop_interpreter.py
@@ -1,6 +1,17 @@
from interpreter import interpret
import unittest
+from unittest import mock
+def input_exit(prompt):
+ return "EXIT"
+
+def input_continue(prompt):
+ return ""
+
+def init_without_tokens(self, regex_to_token, program):
+ self.regex_to_token = {}
+ self.program = program
+ self.current_position = 0
class InterpreterTest(unittest.TestCase):
def test_assignment_default_zero(self):
@@ -207,3 +218,17 @@ class InterpreterTest(unittest.TestCase):
self.assertEqual(interpret('''x2:=3;
x0:=x2+2'''), 5)
self.assertEqual(interpret('x1:=x1-2;\n x0:=x1+2'), 2)
+
+ @mock.patch('interpreter.input', side_effect=input_exit)
+ def test_break_exit(self, input):
+ self.assertEqual(interpret('x1:=2; BREAK x0:=2'), -1)
+ self.assertEqual(interpret('LOOP x1 DO BREAK x2:= 2 END'), -1)
+
+ @mock.patch('interpreter.input', side_effect=input_continue)
+ def test_break_continue(self, input):
+ self.assertEqual(interpret('x1:=2; LOOP x1 DO x0:=x0+2 BREAK END'), 4)
+
+ @mock.patch('lexer.Lexer.__init__', init_without_tokens)
+ def test_unknown_tokens(self):
+ with self.assertRaises(SyntaxError):
+ interpret('BLIBLABLUB')
\ No newline at end of file
--
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