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"""Tests for distutils.text_file."""
import os
from distutils.text_file import TextFile
from distutils.tests import support
TEST_DATA = """# test file
line 3 \\
# intervening comment
continues on next line
"""
class TestTextFile(support.TempdirManager):
def test_class(self):
# old tests moved from text_file.__main__
# so they are really called by the buildbots
# result 1: no fancy options
result1 = [
'# test file\n',
'\n',
'line 3 \\\n',
'# intervening comment\n',
' continues on next line\n',
]
# result 2: just strip comments
result2 = ["\n", "line 3 \\\n", " continues on next line\n"]
# result 3: just strip blank lines
result3 = [
"# test file\n",
"line 3 \\\n",
"# intervening comment\n",
" continues on next line\n",
]
# result 4: default, strip comments, blank lines,
# and trailing whitespace
result4 = ["line 3 \\", " continues on next line"]
# result 5: strip comments and blanks, plus join lines (but don't
# "collapse" joined lines
result5 = ["line 3 continues on next line"]
# result 6: strip comments and blanks, plus join lines (and
# "collapse" joined lines
result6 = ["line 3 continues on next line"]
def test_input(count, description, file, expected_result):
result = file.readlines()
assert result == expected_result
tmpdir = self.mkdtemp()
filename = os.path.join(tmpdir, "test.txt")
out_file = open(filename, "w")
try:
out_file.write(TEST_DATA)
finally:
out_file.close()
in_file = TextFile(
filename, strip_comments=0, skip_blanks=0, lstrip_ws=0, rstrip_ws=0
)
try:
test_input(1, "no processing", in_file, result1)
finally:
in_file.close()
in_file = TextFile(
filename, strip_comments=1, skip_blanks=0, lstrip_ws=0, rstrip_ws=0
)
try:
test_input(2, "strip comments", in_file, result2)
finally:
in_file.close()
in_file = TextFile(
filename, strip_comments=0, skip_blanks=1, lstrip_ws=0, rstrip_ws=0
)
try:
test_input(3, "strip blanks", in_file, result3)
finally:
in_file.close()
in_file = TextFile(filename)
try:
test_input(4, "default processing", in_file, result4)
finally:
in_file.close()
in_file = TextFile(
filename, strip_comments=1, skip_blanks=1, join_lines=1, rstrip_ws=1
)
try:
test_input(5, "join lines without collapsing", in_file, result5)
finally:
in_file.close()
in_file = TextFile(
filename,
strip_comments=1,
skip_blanks=1,
join_lines=1,
rstrip_ws=1,
collapse_join=1,
)
try:
test_input(6, "join lines with collapsing", in_file, result6)
finally:
in_file.close()
|
