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@@ -1,62 +1,62 b'' | |||
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1 | 1 | from IPython.utils.capture import capture_output |
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2 | 2 | |
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3 | 3 | import nose.tools as nt |
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4 | 4 | |
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5 | 5 | def test_alias_lifecycle(): |
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6 | 6 | name = 'test_alias1' |
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7 | 7 | cmd = 'echo "Hello"' |
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8 | 8 | am = _ip.alias_manager |
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9 | 9 | am.clear_aliases() |
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10 | 10 | am.define_alias(name, cmd) |
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11 | 11 | assert am.is_alias(name) |
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12 | 12 | nt.assert_equal(am.retrieve_alias(name), cmd) |
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13 | 13 | nt.assert_in((name, cmd), am.aliases) |
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14 | 14 | |
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15 | 15 | # Test running the alias |
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16 | 16 | orig_system = _ip.system |
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17 | 17 | result = [] |
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18 | 18 | _ip.system = result.append |
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19 | 19 | try: |
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20 | 20 | _ip.run_cell('%{}'.format(name)) |
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21 | 21 | result = [c.strip() for c in result] |
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22 | 22 | nt.assert_equal(result, [cmd]) |
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23 | 23 | finally: |
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24 | 24 | _ip.system = orig_system |
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25 | 25 | |
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26 | 26 | # Test removing the alias |
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27 | 27 | am.undefine_alias(name) |
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28 | 28 | assert not am.is_alias(name) |
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29 | 29 | with nt.assert_raises(ValueError): |
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30 | 30 | am.retrieve_alias(name) |
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31 | 31 | nt.assert_not_in((name, cmd), am.aliases) |
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32 | 32 | |
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33 | 33 | |
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34 | 34 | def test_alias_args_error(): |
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35 | 35 | """Error expanding with wrong number of arguments""" |
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36 | 36 | _ip.alias_manager.define_alias('parts', 'echo first %s second %s') |
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37 | 37 | # capture stderr: |
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38 | 38 | with capture_output() as cap: |
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39 | 39 | _ip.run_cell('parts 1') |
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40 | 40 | |
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41 | 41 | nt.assert_equal(cap.stderr.split(':')[0], 'UsageError') |
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42 | 42 | |
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43 | 43 | def test_alias_args_commented(): |
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44 | 44 | """Check that alias correctly ignores 'commented out' args""" |
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45 |
_ip.magic('alias commetarg echo this is %%s a |
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45 | _ip.magic('alias commetarg echo this is %%s a commented out arg') | |
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46 | 46 | |
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47 | 47 | with capture_output() as cap: |
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48 | 48 | _ip.run_cell('commetarg') |
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49 | 49 | |
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50 |
nt.assert_equal(cap.stdout, 'this is %s a |
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50 | nt.assert_equal(cap.stdout, 'this is %s a commented out arg') | |
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51 | 51 | |
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52 | 52 | def test_alias_args_commented_nargs(): |
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53 | 53 | """Check that alias correctly counts args, excluding those commented out""" |
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54 | 54 | am = _ip.alias_manager |
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55 | 55 | alias_name = 'comargcount' |
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56 | 56 | cmd = 'echo this is %%s a commented out arg and this is not %s' |
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57 | 57 | |
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58 | 58 | am.define_alias(alias_name, cmd) |
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59 | 59 | assert am.is_alias(alias_name) |
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60 | 60 | |
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61 | 61 | thealias = am.get_alias(alias_name) |
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62 | 62 | nt.assert_equal(thealias.nargs, 1) No newline at end of file |
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