test_ok1/py/io/testing/test_terminalwriter.py

109 lines
3.1 KiB
Python

import py
import os
from py.__.io import terminalwriter
def test_terminalwriter_computes_width():
py.magic.patch(terminalwriter, 'get_terminal_width', lambda: 42)
try:
tw = py.io.TerminalWriter()
assert tw.fullwidth == 42
finally:
py.magic.revert(terminalwriter, 'get_terminal_width')
def test_terminalwriter_defaultwidth_80():
py.magic.patch(terminalwriter, '_getdimensions', lambda: 0/0)
try:
tw = py.io.TerminalWriter()
assert tw.fullwidth == os.environ.get('COLUMNS', 80)-1
finally:
py.magic.revert(terminalwriter, '_getdimensions')
def test_terminalwriter_default_instantiation():
tw = py.io.TerminalWriter(stringio=True)
assert hasattr(tw, 'stringio')
class BaseTests:
def test_line(self):
tw = self.getwriter()
tw.line("hello")
l = self.getlines()
assert len(l) == 1
assert l[0] == "hello\n"
def test_sep_no_title(self):
tw = self.getwriter()
tw.sep("-", fullwidth=60)
l = self.getlines()
assert len(l) == 1
assert l[0] == "-" * 60 + "\n"
def test_sep_with_title(self):
tw = self.getwriter()
tw.sep("-", "hello", fullwidth=60)
l = self.getlines()
assert len(l) == 1
assert l[0] == "-" * 26 + " hello " + "-" * 27 + "\n"
def test__escaped(self):
tw = self.getwriter()
text2 = tw._escaped("hello", (31))
assert text2.find("hello") != -1
def test_markup(self):
tw = self.getwriter()
for bold in (True, False):
for color in ("red", "green"):
text2 = tw.markup("hello", **{color: True, 'bold': bold})
assert text2.find("hello") != -1
py.test.raises(ValueError, "tw.markup('x', wronkw=3)")
py.test.raises(ValueError, "tw.markup('x', wronkw=0)")
def test_line_write_markup(self):
tw = self.getwriter()
tw.hasmarkup = True
tw.line("x", bold=True)
tw.write("x\n", red=True)
l = self.getlines()
assert len(l[0]) > 2, l
assert len(l[1]) > 2, l
def test_attr_fullwidth(self):
tw = self.getwriter()
tw.sep("-", "hello", fullwidth=70)
tw.fullwidth = 70
tw.sep("-", "hello")
l = self.getlines()
assert len(l[0]) == len(l[1])
class TestStringIO(BaseTests):
def getwriter(self):
self.tw = py.io.TerminalWriter(stringio=True)
return self.tw
def getlines(self):
io = self.tw.stringio
io.seek(0)
return io.readlines()
class TestCallableFile(BaseTests):
def getwriter(self):
self.writes = []
return py.io.TerminalWriter(self.writes.append)
def getlines(self):
io = py.std.cStringIO.StringIO()
io.write("".join(self.writes))
io.seek(0)
return io.readlines()
def test_attr_hasmarkup():
tw = py.io.TerminalWriter(stringio=True)
assert not tw.hasmarkup
tw.hasmarkup = True
tw.line("hello", bold=True)
s = tw.stringio.getvalue()
assert len(s) > len("hello")