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@pidpawel
Created December 7, 2016 18:04
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Redirected stdout mock, mostly for testing purposes
import sys
import io
class RedirectedStdout:
def __init__(self):
self.old_stdout = sys.stdout
self.file = io.StringIO()
def __enter__(self):
sys.stdout = self.file
return self
def __exit__(self, *args):
sys.stdout = self.old_stdout
def get_value(self):
self.file.seek(0, io.SEEK_SET)
contents = self.file.read()
self.file.seek(0, io.SEEK_END)
return contents
def test_rso():
def foo():
print("Ala ma kota.")
print("A Tomek ma dwa psy.")
with RedirectedStdout() as so:
foo()
assert so.get_value() == "Ala ma kota.\nA Tomek ma dwa psy.\n"
assert so.get_value() == "Ala ma kota.\nA Tomek ma dwa psy.\n"
foo()
assert so.get_value() == "Ala ma kota.\nA Tomek ma dwa psy.\nAla ma kota.\nA Tomek ma dwa psy.\n"
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