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@@ -1,84 +1,94 b'' | |||||
1 | """Tests for IPython.lib.pretty. |
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1 | """Tests for IPython.lib.pretty. | |
2 | """ |
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2 | """ | |
3 | #----------------------------------------------------------------------------- |
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3 | #----------------------------------------------------------------------------- | |
4 | # Copyright (c) 2011, the IPython Development Team. |
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4 | # Copyright (c) 2011, the IPython Development Team. | |
5 | # |
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5 | # | |
6 | # Distributed under the terms of the Modified BSD License. |
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6 | # Distributed under the terms of the Modified BSD License. | |
7 | # |
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7 | # | |
8 | # The full license is in the file COPYING.txt, distributed with this software. |
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8 | # The full license is in the file COPYING.txt, distributed with 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 | from __future__ import print_function |
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14 | from __future__ import print_function | |
15 |
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15 | |||
16 | # Third-party imports |
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16 | # Third-party imports | |
17 | import nose.tools as nt |
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17 | import nose.tools as nt | |
18 |
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18 | |||
19 | # Our own imports |
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19 | # Our own imports | |
20 | from IPython.lib import pretty |
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20 | from IPython.lib import pretty | |
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21 | from IPython.testing.decorators import skip_without | |||
21 |
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22 | |||
22 | #----------------------------------------------------------------------------- |
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23 | #----------------------------------------------------------------------------- | |
23 | # Classes and functions |
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24 | # Classes and functions | |
24 | #----------------------------------------------------------------------------- |
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25 | #----------------------------------------------------------------------------- | |
25 |
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26 | |||
26 | class MyList(object): |
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27 | class MyList(object): | |
27 | def __init__(self, content): |
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28 | def __init__(self, content): | |
28 | self.content = content |
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29 | self.content = content | |
29 | def _repr_pretty_(self, p, cycle): |
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30 | def _repr_pretty_(self, p, cycle): | |
30 | if cycle: |
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31 | if cycle: | |
31 | p.text("MyList(...)") |
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32 | p.text("MyList(...)") | |
32 | else: |
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33 | else: | |
33 | with p.group(3, "MyList(", ")"): |
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34 | with p.group(3, "MyList(", ")"): | |
34 | for (i, child) in enumerate(self.content): |
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35 | for (i, child) in enumerate(self.content): | |
35 | if i: |
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36 | if i: | |
36 | p.text(",") |
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37 | p.text(",") | |
37 | p.breakable() |
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38 | p.breakable() | |
38 | else: |
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39 | else: | |
39 | p.breakable("") |
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40 | p.breakable("") | |
40 | p.pretty(child) |
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41 | p.pretty(child) | |
41 |
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42 | |||
42 |
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43 | |||
43 | class MyDict(dict): |
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44 | class MyDict(dict): | |
44 | def _repr_pretty_(self, p, cycle): |
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45 | def _repr_pretty_(self, p, cycle): | |
45 | p.text("MyDict(...)") |
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46 | p.text("MyDict(...)") | |
46 |
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47 | |||
47 |
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48 | |||
48 | class Dummy1(object): |
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49 | class Dummy1(object): | |
49 | def _repr_pretty_(self, p, cycle): |
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50 | def _repr_pretty_(self, p, cycle): | |
50 | p.text("Dummy1(...)") |
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51 | p.text("Dummy1(...)") | |
51 |
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52 | |||
52 | class Dummy2(Dummy1): |
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53 | class Dummy2(Dummy1): | |
53 | _repr_pretty_ = None |
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54 | _repr_pretty_ = None | |
54 |
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55 | |||
55 |
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56 | |||
56 | def test_indentation(): |
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57 | def test_indentation(): | |
57 | """Test correct indentation in groups""" |
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58 | """Test correct indentation in groups""" | |
58 | count = 40 |
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59 | count = 40 | |
59 | gotoutput = pretty.pretty(MyList(range(count))) |
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60 | gotoutput = pretty.pretty(MyList(range(count))) | |
60 | expectedoutput = "MyList(\n" + ",\n".join(" %d" % i for i in range(count)) + ")" |
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61 | expectedoutput = "MyList(\n" + ",\n".join(" %d" % i for i in range(count)) + ")" | |
61 |
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62 | |||
62 | nt.assert_equal(gotoutput, expectedoutput) |
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63 | nt.assert_equal(gotoutput, expectedoutput) | |
63 |
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64 | |||
64 |
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65 | |||
65 | def test_dispatch(): |
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66 | def test_dispatch(): | |
66 | """ |
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67 | """ | |
67 | Test correct dispatching: The _repr_pretty_ method for MyDict |
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68 | Test correct dispatching: The _repr_pretty_ method for MyDict | |
68 | must be found before the registered printer for dict. |
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69 | must be found before the registered printer for dict. | |
69 | """ |
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70 | """ | |
70 | gotoutput = pretty.pretty(MyDict()) |
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71 | gotoutput = pretty.pretty(MyDict()) | |
71 | expectedoutput = "MyDict(...)" |
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72 | expectedoutput = "MyDict(...)" | |
72 |
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73 | |||
73 | nt.assert_equal(gotoutput, expectedoutput) |
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74 | nt.assert_equal(gotoutput, expectedoutput) | |
74 |
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75 | |||
75 |
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76 | |||
76 | def test_callability_checking(): |
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77 | def test_callability_checking(): | |
77 | """ |
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78 | """ | |
78 | Test that the _repr_pretty_ method is tested for callability and skipped if |
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79 | Test that the _repr_pretty_ method is tested for callability and skipped if | |
79 | not. |
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80 | not. | |
80 | """ |
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81 | """ | |
81 | gotoutput = pretty.pretty(Dummy2()) |
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82 | gotoutput = pretty.pretty(Dummy2()) | |
82 | expectedoutput = "Dummy1(...)" |
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83 | expectedoutput = "Dummy1(...)" | |
83 |
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84 | |||
84 | nt.assert_equal(gotoutput, expectedoutput) |
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85 | nt.assert_equal(gotoutput, expectedoutput) | |
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86 | ||||
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87 | @skip_without('xxlimited') | |||
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88 | def test_pprint_heap_allocated_type(): | |||
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89 | """ | |||
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90 | Test that pprint works for heap allocated types. | |||
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91 | """ | |||
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92 | import xxlimited | |||
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93 | output = pretty.pretty(xxlimited.Null) | |||
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94 | nt.assert_equal(output, 'xxlimited.Null') |
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