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- # Source Generated with Decompyle++
- # File: in.pyc (Python 2.4)
-
- '''
- Tests for fileinput module.
- Nick Mathewson
- '''
- from test.test_support import verify, verbose, TESTFN
- import sys
- import os
- import re
- from StringIO import StringIO
- from fileinput import FileInput
-
- def writeTmp(i, lines):
- name = TESTFN + str(i)
- f = open(name, 'w')
- f.writelines(lines)
- f.close()
- return name
-
- pat = re.compile('LINE (\\d+) OF FILE (\\d+)')
-
- def remove_tempfiles(*names):
- for name in names:
-
- try:
- os.unlink(name)
- continue
- continue
-
-
-
-
- def runTests(t1, t2, t3, t4, bs = 0, round = 0):
- start = 1 + round * 6
- if verbose:
- print '%s. Simple iteration (bs=%s)' % (start + 0, bs)
-
- fi = FileInput(files = (t1, t2, t3, t4), bufsize = bs)
- lines = list(fi)
- fi.close()
- verify(len(lines) == 31)
- verify(lines[4] == 'Line 5 of file 1\n')
- verify(lines[30] == 'Line 1 of file 4\n')
- verify(fi.lineno() == 31)
- verify(fi.filename() == t4)
- if verbose:
- print '%s. Status variables (bs=%s)' % (start + 1, bs)
-
- fi = FileInput(files = (t1, t2, t3, t4), bufsize = bs)
- s = 'x'
- while s and s != 'Line 6 of file 2\n':
- s = fi.readline()
- verify(fi.filename() == t2)
- verify(fi.lineno() == 21)
- verify(fi.filelineno() == 6)
- verify(not fi.isfirstline())
- verify(not fi.isstdin())
- if verbose:
- print '%s. Nextfile (bs=%s)' % (start + 2, bs)
-
- fi.nextfile()
- verify(fi.readline() == 'Line 1 of file 3\n')
- verify(fi.lineno() == 22)
- fi.close()
- if verbose:
- print '%s. Stdin (bs=%s)' % (start + 3, bs)
-
- fi = FileInput(files = (t1, t2, t3, t4, '-'), bufsize = bs)
- savestdin = sys.stdin
-
- try:
- sys.stdin = StringIO('Line 1 of stdin\nLine 2 of stdin\n')
- lines = list(fi)
- verify(len(lines) == 33)
- verify(lines[32] == 'Line 2 of stdin\n')
- verify(fi.filename() == '<stdin>')
- fi.nextfile()
- finally:
- sys.stdin = savestdin
-
- if verbose:
- print '%s. Boundary conditions (bs=%s)' % (start + 4, bs)
-
- fi = FileInput(files = (t1, t2, t3, t4), bufsize = bs)
- verify(fi.lineno() == 0)
- verify(fi.filename() == None)
- fi.nextfile()
- verify(fi.lineno() == 0)
- verify(fi.filename() == None)
- if verbose:
- print '%s. Inplace (bs=%s)' % (start + 5, bs)
-
- savestdout = sys.stdout
-
- try:
- fi = FileInput(files = (t1, t2, t3, t4), inplace = 1, bufsize = bs)
- for line in fi:
- line = line[:-1].upper()
- print line
-
- fi.close()
- finally:
- sys.stdout = savestdout
-
- fi = FileInput(files = (t1, t2, t3, t4), bufsize = bs)
- for line in fi:
- verify(line[-1] == '\n')
- m = pat.match(line[:-1])
- verify(m != None)
- verify(int(m.group(1)) == fi.filelineno())
-
- fi.close()
-
-
- def writeFiles():
- global t1, t2, t3, t4
- t1 = []([], [ 'Line %s of file 1\n' % (i + 1) for i in range(15) ])
- t2 = []([], [ 'Line %s of file 2\n' % (i + 1) for i in range(10) ])
- t3 = []([], [ 'Line %s of file 3\n' % (i + 1) for i in range(5) ])
- t4 = []([], [ 'Line %s of file 4\n' % (i + 1) for i in range(1) ])
-
- for round, bs in ((0, 0), (1, 30)):
-
- try:
- writeFiles()
- runTests(t1, t2, t3, t4, bs, round)
- finally:
- remove_tempfiles(t1, t2, t3, t4)
-
-
- if verbose:
- print '13. 0-byte files'
-
-
- try:
- t1 = writeTmp(1, [
- ''])
- t2 = writeTmp(2, [
- ''])
- t3 = writeTmp(3, [
- 'The only line there is.\n'])
- t4 = writeTmp(4, [
- ''])
- fi = FileInput(files = (t1, t2, t3, t4))
- line = fi.readline()
- verify(line == 'The only line there is.\n')
- verify(fi.lineno() == 1)
- verify(fi.filelineno() == 1)
- verify(fi.filename() == t3)
- line = fi.readline()
- verify(not line)
- verify(fi.lineno() == 1)
- verify(fi.filelineno() == 0)
- verify(fi.filename() == t4)
- fi.close()
- finally:
- remove_tempfiles(t1, t2, t3, t4)
-
- if verbose:
- print "14. Files that don't end with newline"
-
-
- try:
- t1 = writeTmp(1, [
- 'A\nB\nC'])
- t2 = writeTmp(2, [
- 'D\nE\nF'])
- fi = FileInput(files = (t1, t2))
- lines = list(fi)
- verify(lines == [
- 'A\n',
- 'B\n',
- 'C',
- 'D\n',
- 'E\n',
- 'F'])
- verify(fi.filelineno() == 3)
- verify(fi.lineno() == 6)
- finally:
- remove_tempfiles(t1, t2)
-
-