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1 | #----------------------------------------------------------------------------- | |
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2 | # Copyright (C) 2012 The IPython Development Team | |
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3 | # | |
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4 | # Distributed under the terms of the BSD License. The full license is in | |
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5 | # the file COPYING, distributed as part of this software. | |
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6 | #----------------------------------------------------------------------------- | |
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7 | ||
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8 | import os | |
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9 | import unittest | |
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10 | import base64 | |
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11 | ||
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12 | from IPython.zmq.kernelmanager import KernelManager | |
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13 | from IPython.frontend.terminal.console.interactiveshell \ | |
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14 | import ZMQTerminalInteractiveShell | |
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15 | from IPython.utils.tempdir import NamedFileInTemporaryDirectory | |
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16 | from IPython.testing.tools import monkeypatch | |
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17 | from IPython.utils.ipstruct import Struct | |
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18 | from IPython.utils.process import find_cmd | |
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19 | ||
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20 | ||
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21 | SCRIPT_PATH = os.path.join( | |
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22 | os.path.abspath(os.path.dirname(__file__)), 'writetofile.py') | |
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23 | ||
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24 | ||
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25 | class ZMQTerminalInteractiveShellTestCase(unittest.TestCase): | |
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26 | ||
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27 | def setUp(self): | |
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28 | km = KernelManager() | |
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29 | self.shell = ZMQTerminalInteractiveShell(kernel_manager=km) | |
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30 | self.raw = b'dummy data' | |
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31 | self.mime = 'image/png' | |
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32 | self.data = {self.mime: base64.encodestring(self.raw)} | |
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33 | ||
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34 | def test_no_call_by_default(self): | |
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35 | def raise_if_called(*args, **kwds): | |
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36 | assert False | |
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37 | ||
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38 | shell = self.shell | |
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39 | shell.handle_image_PIL | |
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40 | shell.handle_image_stream | |
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41 | shell.handle_image_tempfile | |
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42 | shell.handle_image_callable | |
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43 | ||
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44 | shell.handle_image(None, None) # arguments are dummy | |
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45 | ||
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46 | def test_handle_image_PIL(self): | |
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47 | import PIL.Image | |
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48 | ||
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49 | open_called_with = [] | |
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50 | show_called_with = [] | |
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51 | ||
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52 | def fake_open(arg): | |
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53 | open_called_with.append(arg) | |
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54 | return Struct(show=lambda: show_called_with.append(None)) | |
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55 | ||
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56 | with monkeypatch(PIL.Image, 'open', fake_open): | |
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57 | self.shell.handle_image_PIL(self.data, self.mime) | |
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58 | ||
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59 | assert len(open_called_with) == 1 | |
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60 | assert len(show_called_with) == 1 | |
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61 | assert open_called_with[0].getvalue() == self.raw | |
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62 | ||
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63 | @staticmethod | |
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64 | def get_handler_command(inpath, outpath): | |
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65 | return [find_cmd('python'), SCRIPT_PATH, inpath, outpath] | |
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66 | ||
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67 | def check_handler_with_file(self, inpath, handler): | |
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68 | shell = self.shell | |
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69 | configname = '{0}_image_handler'.format(handler) | |
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70 | funcname = 'handle_image_{0}'.format(handler) | |
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71 | ||
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72 | assert hasattr(shell, configname) | |
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73 | assert hasattr(shell, funcname) | |
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74 | ||
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75 | with NamedFileInTemporaryDirectory('data') as file: | |
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76 | cmd = self.get_handler_command(inpath, file.name) | |
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77 | setattr(shell, configname, cmd) | |
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78 | getattr(shell, funcname)(self.data, self.mime) | |
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79 | transferred = file.read() | |
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80 | ||
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81 | assert transferred == self.raw | |
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82 | ||
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83 | def test_handle_image_stream(self): | |
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84 | self.check_handler_with_file('-', 'stream') | |
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85 | ||
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86 | def test_handle_image_tempfile(self): | |
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87 | self.check_handler_with_file('{file}', 'tempfile') | |
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88 | ||
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89 | def test_handle_image_callable(self): | |
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90 | called_with = [] | |
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91 | self.shell.callable_image_handler = called_with.append | |
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92 | self.shell.handle_image_callable(self.data, self.mime) | |
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93 | assert len(called_with) == 1 | |
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94 | assert called_with[0] is self.data |
@@ -0,0 +1,20 b'' | |||
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1 | #----------------------------------------------------------------------------- | |
|
2 | # Copyright (C) 2012 The IPython Development Team | |
|
3 | # | |
|
4 | # Distributed under the terms of the BSD License. The full license is in | |
|
5 | # the file COPYING, distributed as part of this software. | |
|
6 | #----------------------------------------------------------------------------- | |
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7 | ||
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8 | """ | |
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9 | Copy data from input file to output file for testing. | |
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10 | """ | |
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11 | ||
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12 | import sys | |
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13 | (inpath, outpath) = sys.argv[1:] | |
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14 | ||
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15 | if inpath == '-': | |
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16 | infile = sys.stdin | |
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17 | else: | |
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18 | infile = open(inpath) | |
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19 | ||
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20 | open(outpath, 'w+b').write(infile.read()) |
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