99 lines
2.6 KiB
Python
99 lines
2.6 KiB
Python
###############################################################################
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#
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# The MIT License (MIT)
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#
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# Copyright (c) Tavendo GmbH
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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#
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###############################################################################
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import txaio
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from util import run_once
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def test_default_resolve(framework):
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f = txaio.create_future()
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results = []
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def cb(f):
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results.append(f)
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txaio.add_callbacks(f, cb, None)
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txaio.resolve(f)
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run_once()
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assert len(results) == 1
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assert results[0] is None
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def test_callback(framework):
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f = txaio.create_future()
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results = []
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def cb(f):
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results.append(f)
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txaio.add_callbacks(f, cb, None)
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txaio.resolve(f, "it worked")
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run_once()
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assert len(results) == 1
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assert results[0] == "it worked"
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def test_chained_callback(framework):
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"""
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Chain two callbacks where the first one alters the value.
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"""
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calls = []
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def callback0(arg):
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calls.append(arg)
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return arg + " pray I do not alter it futher"
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def callback1(arg):
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calls.append(arg)
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f = txaio.create_future()
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txaio.add_callbacks(f, callback0, None)
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txaio.add_callbacks(f, callback1, None)
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txaio.resolve(f, "the deal")
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run_once()
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assert len(calls) == 2
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assert calls[0] == "the deal"
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assert calls[1] == "the deal pray I do not alter it futher"
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def test_immediate_result(framework):
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f = txaio.create_future_success("it worked")
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results = []
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def cb(f):
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results.append(f)
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txaio.add_callbacks(f, cb, None)
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run_once()
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assert len(results) == 1
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assert results[0] == "it worked"
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