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# -*- coding: utf-8
"""Tests for prompt generation."""
import unittest
from IPython.core.prompts import LazyEvaluate
from IPython.testing.globalipapp import get_ipython
from IPython.utils.py3compat import unicode_type
ip = get_ipython()
class PromptTests(unittest.TestCase):
def test_lazy_eval_unicode(self):
u = u'ünicødé'
lz = LazyEvaluate(lambda : u)
# str(lz) would fail
self.assertEqual(unicode_type(lz), u)
self.assertEqual(format(lz), u)
def test_lazy_eval_nonascii_bytes(self):
u = u'ünicødé'
b = u.encode('utf8')
lz = LazyEvaluate(lambda : b)
# unicode(lz) would fail
self.assertEqual(str(lz), str(b))
self.assertEqual(format(lz), str(b))
def test_lazy_eval_float(self):
f = 0.503
lz = LazyEvaluate(lambda : f)
self.assertEqual(str(lz), str(f))
self.assertEqual(unicode_type(lz), unicode_type(f))
self.assertEqual(format(lz), str(f))
self.assertEqual(format(lz, '.1'), '0.5')
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