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1 | """Test embedding of IPython""" |
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1 | """Test embedding of IPython""" | |
2 |
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2 | |||
3 | #----------------------------------------------------------------------------- |
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3 | #----------------------------------------------------------------------------- | |
4 | # Copyright (C) 2013 The IPython Development Team |
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4 | # Copyright (C) 2013 The IPython Development Team | |
5 | # |
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5 | # | |
6 | # Distributed under the terms of the BSD License. The full license is in |
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6 | # Distributed under the terms of the BSD License. The full license is in | |
7 | # the file COPYING, distributed as part of this software. |
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7 | # the file COPYING, distributed as part of this software. | |
8 | #----------------------------------------------------------------------------- |
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8 | #----------------------------------------------------------------------------- | |
9 |
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9 | |||
10 | #----------------------------------------------------------------------------- |
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10 | #----------------------------------------------------------------------------- | |
11 | # Imports |
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11 | # Imports | |
12 | #----------------------------------------------------------------------------- |
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12 | #----------------------------------------------------------------------------- | |
13 |
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13 | |||
14 | import os |
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14 | import os | |
15 | import subprocess |
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15 | import subprocess | |
16 | import sys |
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16 | import sys | |
17 | import nose.tools as nt |
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17 | import nose.tools as nt | |
18 | from IPython.utils.tempdir import NamedFileInTemporaryDirectory |
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18 | from IPython.utils.tempdir import NamedFileInTemporaryDirectory | |
19 | from IPython.testing.decorators import skip_win32 |
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19 | from IPython.testing.decorators import skip_win32 | |
20 |
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20 | |||
21 | #----------------------------------------------------------------------------- |
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21 | #----------------------------------------------------------------------------- | |
22 | # Tests |
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22 | # Tests | |
23 | #----------------------------------------------------------------------------- |
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23 | #----------------------------------------------------------------------------- | |
24 |
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24 | |||
25 |
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25 | |||
26 | _sample_embed = b""" |
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26 | _sample_embed = b""" | |
27 | import IPython |
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27 | import IPython | |
28 |
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28 | |||
29 | a = 3 |
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29 | a = 3 | |
30 | b = 14 |
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30 | b = 14 | |
31 | print(a, '.', b) |
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31 | print(a, '.', b) | |
32 |
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32 | |||
33 | IPython.embed() |
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33 | IPython.embed() | |
34 |
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34 | |||
35 | print('bye!') |
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35 | print('bye!') | |
36 | """ |
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36 | """ | |
37 |
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37 | |||
38 | _exit = b"exit\r" |
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38 | _exit = b"exit\r" | |
39 |
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39 | |||
40 | def test_ipython_embed(): |
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40 | def test_ipython_embed(): | |
41 | """test that `IPython.embed()` works""" |
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41 | """test that `IPython.embed()` works""" | |
42 | with NamedFileInTemporaryDirectory('file_with_embed.py') as f: |
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42 | with NamedFileInTemporaryDirectory('file_with_embed.py') as f: | |
43 | f.write(_sample_embed) |
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43 | f.write(_sample_embed) | |
44 | f.flush() |
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44 | f.flush() | |
45 | f.close() # otherwise msft won't be able to read the file |
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45 | f.close() # otherwise msft won't be able to read the file | |
46 |
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46 | |||
47 | # run `python file_with_embed.py` |
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47 | # run `python file_with_embed.py` | |
48 | cmd = [sys.executable, f.name] |
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48 | cmd = [sys.executable, f.name] | |
49 | env = os.environ.copy() |
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49 | env = os.environ.copy() | |
50 | env['IPY_TEST_SIMPLE_PROMPT'] = '1' |
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50 | env['IPY_TEST_SIMPLE_PROMPT'] = '1' | |
51 |
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51 | |||
52 | p = subprocess.Popen(cmd, env=env, stdin=subprocess.PIPE, |
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52 | p = subprocess.Popen(cmd, env=env, stdin=subprocess.PIPE, | |
53 | stdout=subprocess.PIPE, stderr=subprocess.PIPE) |
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53 | stdout=subprocess.PIPE, stderr=subprocess.PIPE) | |
54 | out, err = p.communicate(_exit) |
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54 | out, err = p.communicate(_exit) | |
55 | std = out.decode('UTF-8') |
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55 | std = out.decode('UTF-8') | |
56 |
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56 | |||
57 | nt.assert_equal(p.returncode, 0) |
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57 | nt.assert_equal(p.returncode, 0) | |
58 | nt.assert_in('3 . 14', std) |
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58 | nt.assert_in('3 . 14', std) | |
59 | if os.name != 'nt': |
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59 | if os.name != 'nt': | |
60 | # TODO: Fix up our different stdout references, see issue gh-14 |
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60 | # TODO: Fix up our different stdout references, see issue gh-14 | |
61 | nt.assert_in('IPython', std) |
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61 | nt.assert_in('IPython', std) | |
62 | nt.assert_in('bye!', std) |
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62 | nt.assert_in('bye!', std) | |
63 |
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63 | |||
64 | @skip_win32 |
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64 | @skip_win32 | |
65 | def test_nest_embed(): |
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65 | def test_nest_embed(): | |
66 | """test that `IPython.embed()` is nestable""" |
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66 | """test that `IPython.embed()` is nestable""" | |
67 | import pexpect |
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67 | import pexpect | |
68 | ipy_prompt = r']:' #ansi color codes give problems matching beyond this |
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68 | ipy_prompt = r']:' #ansi color codes give problems matching beyond this | |
69 | env = os.environ.copy() |
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69 | env = os.environ.copy() | |
70 | env['IPY_TEST_SIMPLE_PROMPT'] = '1' |
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70 | env['IPY_TEST_SIMPLE_PROMPT'] = '1' | |
71 |
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71 | |||
72 |
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72 | |||
73 | child = pexpect.spawn(sys.executable, ['-m', 'IPython', '--colors=nocolor'], |
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73 | child = pexpect.spawn(sys.executable, ['-m', 'IPython', '--colors=nocolor'], | |
74 | env=env) |
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74 | env=env) | |
75 | child.expect(ipy_prompt) |
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75 | child.expect(ipy_prompt) | |
76 | child.expect(ipy_prompt) |
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77 | child.sendline("import IPython") |
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76 | child.sendline("import IPython") | |
78 | child.expect(ipy_prompt) |
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77 | child.expect(ipy_prompt) | |
79 | child.sendline("ip0 = get_ipython()") |
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78 | child.sendline("ip0 = get_ipython()") | |
80 | #enter first nested embed |
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79 | #enter first nested embed | |
81 | child.sendline("IPython.embed()") |
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80 | child.sendline("IPython.embed()") | |
82 | #skip the banner until we get to a prompt |
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81 | #skip the banner until we get to a prompt | |
83 | try: |
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82 | try: | |
84 | prompted = -1 |
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83 | prompted = -1 | |
85 | while prompted != 0: |
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84 | while prompted != 0: | |
86 | prompted = child.expect([ipy_prompt, '\r\n']) |
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85 | prompted = child.expect([ipy_prompt, '\r\n']) | |
87 | except pexpect.TIMEOUT as e: |
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86 | except pexpect.TIMEOUT as e: | |
88 | print(e) |
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87 | print(e) | |
89 | #child.interact() |
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88 | #child.interact() | |
90 | child.sendline("embed1 = get_ipython()"); child.expect(ipy_prompt) |
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89 | child.sendline("embed1 = get_ipython()"); child.expect(ipy_prompt) | |
91 | child.sendline("print('true' if embed1 is not ip0 else 'false')") |
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90 | child.sendline("print('true' if embed1 is not ip0 else 'false')") | |
92 | assert(child.expect(['true\r\n', 'false\r\n']) == 0) |
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91 | assert(child.expect(['true\r\n', 'false\r\n']) == 0) | |
93 | child.expect(ipy_prompt) |
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92 | child.expect(ipy_prompt) | |
94 | child.sendline("print('true' if IPython.get_ipython() is embed1 else 'false')") |
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93 | child.sendline("print('true' if IPython.get_ipython() is embed1 else 'false')") | |
95 | assert(child.expect(['true\r\n', 'false\r\n']) == 0) |
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94 | assert(child.expect(['true\r\n', 'false\r\n']) == 0) | |
96 | child.expect(ipy_prompt) |
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95 | child.expect(ipy_prompt) | |
97 | #enter second nested embed |
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96 | #enter second nested embed | |
98 | child.sendline("IPython.embed()") |
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97 | child.sendline("IPython.embed()") | |
99 | #skip the banner until we get to a prompt |
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98 | #skip the banner until we get to a prompt | |
100 | try: |
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99 | try: | |
101 | prompted = -1 |
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100 | prompted = -1 | |
102 | while prompted != 0: |
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101 | while prompted != 0: | |
103 | prompted = child.expect([ipy_prompt, '\r\n']) |
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102 | prompted = child.expect([ipy_prompt, '\r\n']) | |
104 | except pexpect.TIMEOUT as e: |
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103 | except pexpect.TIMEOUT as e: | |
105 | print(e) |
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104 | print(e) | |
106 | #child.interact() |
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105 | #child.interact() | |
107 | child.sendline("embed2 = get_ipython()"); child.expect(ipy_prompt) |
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106 | child.sendline("embed2 = get_ipython()"); child.expect(ipy_prompt) | |
108 | child.sendline("print('true' if embed2 is not embed1 else 'false')") |
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107 | child.sendline("print('true' if embed2 is not embed1 else 'false')") | |
109 | assert(child.expect(['true\r\n', 'false\r\n']) == 0) |
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108 | assert(child.expect(['true\r\n', 'false\r\n']) == 0) | |
110 | child.expect(ipy_prompt) |
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109 | child.expect(ipy_prompt) | |
111 | child.sendline("print('true' if embed2 is IPython.get_ipython() else 'false')") |
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110 | child.sendline("print('true' if embed2 is IPython.get_ipython() else 'false')") | |
112 | assert(child.expect(['true\r\n', 'false\r\n']) == 0) |
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111 | assert(child.expect(['true\r\n', 'false\r\n']) == 0) | |
113 | child.expect(ipy_prompt) |
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112 | child.expect(ipy_prompt) | |
114 | child.sendline('exit') |
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113 | child.sendline('exit') | |
115 | #back at first embed |
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114 | #back at first embed | |
116 | child.expect(ipy_prompt) |
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115 | child.expect(ipy_prompt) | |
117 | child.sendline("print('true' if get_ipython() is embed1 else 'false')") |
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116 | child.sendline("print('true' if get_ipython() is embed1 else 'false')") | |
118 | assert(child.expect(['true\r\n', 'false\r\n']) == 0) |
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117 | assert(child.expect(['true\r\n', 'false\r\n']) == 0) | |
119 | child.expect(ipy_prompt) |
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118 | child.expect(ipy_prompt) | |
120 | child.sendline("print('true' if IPython.get_ipython() is embed1 else 'false')") |
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119 | child.sendline("print('true' if IPython.get_ipython() is embed1 else 'false')") | |
121 | assert(child.expect(['true\r\n', 'false\r\n']) == 0) |
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120 | assert(child.expect(['true\r\n', 'false\r\n']) == 0) | |
122 | child.expect(ipy_prompt) |
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121 | child.expect(ipy_prompt) | |
123 | child.sendline('exit') |
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122 | child.sendline('exit') | |
124 | #back at launching scope |
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123 | #back at launching scope | |
125 | child.expect(ipy_prompt) |
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124 | child.expect(ipy_prompt) | |
126 | child.sendline("print('true' if get_ipython() is ip0 else 'false')") |
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125 | child.sendline("print('true' if get_ipython() is ip0 else 'false')") | |
127 | assert(child.expect(['true\r\n', 'false\r\n']) == 0) |
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126 | assert(child.expect(['true\r\n', 'false\r\n']) == 0) | |
128 | child.expect(ipy_prompt) |
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127 | child.expect(ipy_prompt) | |
129 | child.sendline("print('true' if IPython.get_ipython() is ip0 else 'false')") |
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128 | child.sendline("print('true' if IPython.get_ipython() is ip0 else 'false')") | |
130 | assert(child.expect(['true\r\n', 'false\r\n']) == 0) |
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129 | assert(child.expect(['true\r\n', 'false\r\n']) == 0) | |
131 | child.expect(ipy_prompt) |
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130 | child.expect(ipy_prompt) | |
132 | child.sendline('exit') |
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131 | child.sendline('exit') | |
133 | child.close() |
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132 | child.close() |
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