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1 | # encoding: utf-8 |
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1 | # encoding: utf-8 | |
2 | """Tests for IPython.utils.text""" |
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2 | """Tests for IPython.utils.text""" | |
3 |
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3 | |||
4 | #----------------------------------------------------------------------------- |
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4 | #----------------------------------------------------------------------------- | |
5 | # Copyright (C) 2011 The IPython Development Team |
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5 | # Copyright (C) 2011 The IPython Development Team | |
6 | # |
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6 | # | |
7 | # Distributed under the terms of the BSD License. The full license is in |
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7 | # Distributed under the terms of the BSD License. The full license is in | |
8 | # the file COPYING, distributed as part of this software. |
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8 | # the file COPYING, distributed as part of this software. | |
9 | #----------------------------------------------------------------------------- |
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9 | #----------------------------------------------------------------------------- | |
10 |
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10 | |||
11 | #----------------------------------------------------------------------------- |
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11 | #----------------------------------------------------------------------------- | |
12 | # Imports |
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12 | # Imports | |
13 | #----------------------------------------------------------------------------- |
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13 | #----------------------------------------------------------------------------- | |
14 |
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14 | |||
15 | import os |
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15 | import os | |
16 | import math |
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16 | import math | |
17 | import random |
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17 | import random | |
18 |
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18 | |||
19 | import nose.tools as nt |
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19 | import nose.tools as nt | |
20 |
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20 | |||
21 | from nose import with_setup |
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21 | from nose import with_setup | |
22 |
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22 | |||
23 | from IPython.testing import decorators as dec |
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23 | from IPython.testing import decorators as dec | |
24 | from IPython.utils import text |
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24 | from IPython.utils import text | |
25 |
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25 | |||
26 | #----------------------------------------------------------------------------- |
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26 | #----------------------------------------------------------------------------- | |
27 | # Globals |
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27 | # Globals | |
28 | #----------------------------------------------------------------------------- |
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28 | #----------------------------------------------------------------------------- | |
29 |
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29 | |||
30 | def test_columnize(): |
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30 | def test_columnize(): | |
31 | """Basic columnize tests.""" |
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31 | """Basic columnize tests.""" | |
32 | size = 5 |
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32 | size = 5 | |
33 | items = [l*size for l in 'abc'] |
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33 | items = [l*size for l in 'abc'] | |
34 | out = text.columnize(items, displaywidth=80) |
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34 | out = text.columnize(items, displaywidth=80) | |
35 | nt.assert_equals(out, 'aaaaa bbbbb ccccc\n') |
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35 | nt.assert_equals(out, 'aaaaa bbbbb ccccc\n') | |
36 | out = text.columnize(items, displaywidth=12) |
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36 | out = text.columnize(items, displaywidth=12) | |
37 | nt.assert_equals(out, 'aaaaa ccccc\nbbbbb\n') |
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37 | nt.assert_equals(out, 'aaaaa ccccc\nbbbbb\n') | |
38 | out = text.columnize(items, displaywidth=10) |
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38 | out = text.columnize(items, displaywidth=10) | |
39 | nt.assert_equals(out, 'aaaaa\nbbbbb\nccccc\n') |
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39 | nt.assert_equals(out, 'aaaaa\nbbbbb\nccccc\n') | |
40 |
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40 | |||
41 | def test_columnize_random(): |
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41 | def test_columnize_random(): | |
42 | """Test with random input to hopfully catch edge case """ |
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42 | """Test with random input to hopfully catch edge case """ | |
43 | for nitems in [random.randint(2,70) for i in range(2,20)]: |
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43 | for nitems in [random.randint(2,70) for i in range(2,20)]: | |
44 | displaywidth = random.randint(20,200) |
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44 | displaywidth = random.randint(20,200) | |
45 | rand_len = [random.randint(2,displaywidth) for i in range(nitems)] |
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45 | rand_len = [random.randint(2,displaywidth) for i in range(nitems)] | |
46 | items = ['x'*l for l in rand_len] |
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46 | items = ['x'*l for l in rand_len] | |
47 | out = text.columnize(items, displaywidth=displaywidth) |
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47 | out = text.columnize(items, displaywidth=displaywidth) | |
48 | longer_line = max([len(x) for x in out.split('\n')]) |
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48 | longer_line = max([len(x) for x in out.split('\n')]) | |
49 | longer_element = max(rand_len) |
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49 | longer_element = max(rand_len) | |
50 | if longer_line > displaywidth: |
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50 | if longer_line > displaywidth: | |
51 | print "Columnize displayed something lager than displaywidth : %s " % longer_line |
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51 | print "Columnize displayed something lager than displaywidth : %s " % longer_line | |
52 | print "longer element : %s " % longer_element |
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52 | print "longer element : %s " % longer_element | |
53 | print "displaywidth : %s " % displaywidth |
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53 | print "displaywidth : %s " % displaywidth | |
54 | print "number of element : %s " % nitems |
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54 | print "number of element : %s " % nitems | |
55 | print "size of each element :\n %s" % rand_len |
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55 | print "size of each element :\n %s" % rand_len | |
56 | assert False |
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56 | assert False | |
57 |
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57 | |||
58 | def test_columnize_medium(): |
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58 | def test_columnize_medium(): | |
59 | """Test with inputs than shouldn't be wider tahn 80 """ |
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59 | """Test with inputs than shouldn't be wider tahn 80 """ | |
60 | size = 40 |
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60 | size = 40 | |
61 | items = [l*size for l in 'abc'] |
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61 | items = [l*size for l in 'abc'] | |
62 | out = text.columnize(items, displaywidth=80) |
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62 | out = text.columnize(items, displaywidth=80) | |
63 | nt.assert_equals(out, '\n'.join(items+[''])) |
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63 | nt.assert_equals(out, '\n'.join(items+[''])) | |
64 |
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64 | |||
65 | def test_columnize_long(): |
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65 | def test_columnize_long(): | |
66 | """Test columnize with inputs longer than the display window""" |
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66 | """Test columnize with inputs longer than the display window""" | |
67 | size = 11 |
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67 | size = 11 | |
68 | items = [l*size for l in 'abc'] |
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68 | items = [l*size for l in 'abc'] | |
69 | out = text.columnize(items, displaywidth=size-1) |
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69 | out = text.columnize(items, displaywidth=size-1) | |
70 | nt.assert_equals(out, '\n'.join(items+[''])) |
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70 | nt.assert_equals(out, '\n'.join(items+[''])) | |
71 |
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71 | |||
72 | def eval_formatter_check(f): |
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72 | def eval_formatter_check(f): | |
73 | ns = dict(n=12, pi=math.pi, stuff='hello there', os=os, u=u"cafΓ©", b="cafΓ©") |
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73 | ns = dict(n=12, pi=math.pi, stuff='hello there', os=os, u=u"cafΓ©", b="cafΓ©") | |
74 | s = f.format("{n} {n//4} {stuff.split()[0]}", **ns) |
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74 | s = f.format("{n} {n//4} {stuff.split()[0]}", **ns) | |
75 | nt.assert_equals(s, "12 3 hello") |
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75 | nt.assert_equals(s, "12 3 hello") | |
76 | s = f.format(' '.join(['{n//%i}'%i for i in range(1,8)]), **ns) |
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76 | s = f.format(' '.join(['{n//%i}'%i for i in range(1,8)]), **ns) | |
77 | nt.assert_equals(s, "12 6 4 3 2 2 1") |
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77 | nt.assert_equals(s, "12 6 4 3 2 2 1") | |
78 | s = f.format('{[n//i for i in range(1,8)]}', **ns) |
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78 | s = f.format('{[n//i for i in range(1,8)]}', **ns) | |
79 | nt.assert_equals(s, "[12, 6, 4, 3, 2, 2, 1]") |
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79 | nt.assert_equals(s, "[12, 6, 4, 3, 2, 2, 1]") | |
80 | s = f.format("{stuff!s}", **ns) |
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80 | s = f.format("{stuff!s}", **ns) | |
81 | nt.assert_equals(s, ns['stuff']) |
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81 | nt.assert_equals(s, ns['stuff']) | |
82 | s = f.format("{stuff!r}", **ns) |
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82 | s = f.format("{stuff!r}", **ns) | |
83 | nt.assert_equals(s, repr(ns['stuff'])) |
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83 | nt.assert_equals(s, repr(ns['stuff'])) | |
84 |
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84 | |||
85 | # Check with unicode: |
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85 | # Check with unicode: | |
86 | s = f.format("{u}", **ns) |
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86 | s = f.format("{u}", **ns) | |
87 | nt.assert_equals(s, ns['u']) |
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87 | nt.assert_equals(s, ns['u']) | |
88 | # This decodes in a platform dependent manner, but it shouldn't error out |
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88 | # This decodes in a platform dependent manner, but it shouldn't error out | |
89 | s = f.format("{b}", **ns) |
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89 | s = f.format("{b}", **ns) | |
90 |
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90 | |||
91 | nt.assert_raises(NameError, f.format, '{dne}', **ns) |
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91 | nt.assert_raises(NameError, f.format, '{dne}', **ns) | |
92 |
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92 | |||
93 | def eval_formatter_slicing_check(f): |
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93 | def eval_formatter_slicing_check(f): | |
94 | ns = dict(n=12, pi=math.pi, stuff='hello there', os=os) |
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94 | ns = dict(n=12, pi=math.pi, stuff='hello there', os=os) | |
95 | s = f.format(" {stuff.split()[:]} ", **ns) |
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95 | s = f.format(" {stuff.split()[:]} ", **ns) | |
96 | nt.assert_equals(s, " ['hello', 'there'] ") |
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96 | nt.assert_equals(s, " ['hello', 'there'] ") | |
97 | s = f.format(" {stuff.split()[::-1]} ", **ns) |
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97 | s = f.format(" {stuff.split()[::-1]} ", **ns) | |
98 | nt.assert_equals(s, " ['there', 'hello'] ") |
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98 | nt.assert_equals(s, " ['there', 'hello'] ") | |
99 | s = f.format("{stuff[::2]}", **ns) |
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99 | s = f.format("{stuff[::2]}", **ns) | |
100 | nt.assert_equals(s, ns['stuff'][::2]) |
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100 | nt.assert_equals(s, ns['stuff'][::2]) | |
101 |
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101 | |||
102 | nt.assert_raises(SyntaxError, f.format, "{n:x}", **ns) |
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102 | nt.assert_raises(SyntaxError, f.format, "{n:x}", **ns) | |
103 |
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103 | |||
104 | def eval_formatter_no_slicing_check(f): |
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104 | def eval_formatter_no_slicing_check(f): | |
105 | ns = dict(n=12, pi=math.pi, stuff='hello there', os=os) |
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105 | ns = dict(n=12, pi=math.pi, stuff='hello there', os=os) | |
106 |
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106 | |||
107 | s = f.format('{n:x} {pi**2:+f}', **ns) |
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107 | s = f.format('{n:x} {pi**2:+f}', **ns) | |
108 | nt.assert_equals(s, "c +9.869604") |
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108 | nt.assert_equals(s, "c +9.869604") | |
109 |
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109 | |||
110 | s = f.format('{stuff[slice(1,4)]}', **ns) |
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110 | s = f.format('{stuff[slice(1,4)]}', **ns) | |
111 | nt.assert_equals(s, 'ell') |
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111 | nt.assert_equals(s, 'ell') | |
112 |
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112 | |||
113 | nt.assert_raises(SyntaxError, f.format, "{a[:]}") |
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113 | nt.assert_raises(SyntaxError, f.format, "{a[:]}") | |
114 |
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114 | |||
115 | def test_eval_formatter(): |
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115 | def test_eval_formatter(): | |
116 | f = text.EvalFormatter() |
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116 | f = text.EvalFormatter() | |
117 | eval_formatter_check(f) |
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117 | eval_formatter_check(f) | |
118 | eval_formatter_no_slicing_check(f) |
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118 | eval_formatter_no_slicing_check(f) | |
119 |
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119 | |||
120 | def test_full_eval_formatter(): |
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120 | def test_full_eval_formatter(): | |
121 | f = text.FullEvalFormatter() |
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121 | f = text.FullEvalFormatter() | |
122 | eval_formatter_check(f) |
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122 | eval_formatter_check(f) | |
123 | eval_formatter_slicing_check(f) |
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123 | eval_formatter_slicing_check(f) | |
124 |
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124 | |||
125 | def test_dollar_formatter(): |
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125 | def test_dollar_formatter(): | |
126 | f = text.DollarFormatter() |
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126 | f = text.DollarFormatter() | |
127 | eval_formatter_check(f) |
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127 | eval_formatter_check(f) | |
128 | eval_formatter_slicing_check(f) |
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128 | eval_formatter_slicing_check(f) | |
129 |
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129 | |||
130 | ns = dict(n=12, pi=math.pi, stuff='hello there', os=os) |
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130 | ns = dict(n=12, pi=math.pi, stuff='hello there', os=os) | |
131 | s = f.format("$n", **ns) |
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131 | s = f.format("$n", **ns) | |
132 | nt.assert_equals(s, "12") |
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132 | nt.assert_equals(s, "12") | |
133 | s = f.format("$n.real", **ns) |
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133 | s = f.format("$n.real", **ns) | |
134 | nt.assert_equals(s, "12") |
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134 | nt.assert_equals(s, "12") | |
135 | s = f.format("$n/{stuff[:5]}", **ns) |
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135 | s = f.format("$n/{stuff[:5]}", **ns) | |
136 | nt.assert_equals(s, "12/hello") |
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136 | nt.assert_equals(s, "12/hello") | |
137 | s = f.format("$n $$HOME", **ns) |
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137 | s = f.format("$n $$HOME", **ns) | |
138 | nt.assert_equals(s, "12 $HOME") |
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138 | nt.assert_equals(s, "12 $HOME") | |
139 | s = f.format("${foo}", foo="HOME") |
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139 | s = f.format("${foo}", foo="HOME") | |
140 | nt.assert_equals(s, "$HOME") |
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140 | nt.assert_equals(s, "$HOME") | |
141 |
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141 | |||
142 |
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142 | |||
143 | def test_strip_email(): |
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143 | def test_strip_email(): | |
144 | src = """\ |
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144 | src = """\ | |
145 | >> >>> def f(x): |
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145 | >> >>> def f(x): | |
146 | >> ... return x+1 |
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146 | >> ... return x+1 | |
147 | >> ... |
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147 | >> ... | |
148 | >> >>> zz = f(2.5)""" |
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148 | >> >>> zz = f(2.5)""" | |
149 | cln = """\ |
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149 | cln = """\ | |
150 | >>> def f(x): |
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150 | >>> def f(x): | |
151 | ... return x+1 |
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151 | ... return x+1 | |
152 | ... |
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152 | ... | |
153 | >>> zz = f(2.5)""" |
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153 | >>> zz = f(2.5)""" | |
154 | nt.assert_equals(text.strip_email_quotes(src), cln) |
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154 | nt.assert_equals(text.strip_email_quotes(src), cln) |
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