libsndfile/programs/test-sndfile-metadata-set.py

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2022-05-14 01:20:17 +08:00
#!/usr/bin/env python
# Copyright (C) 2008-2016 Erik de Castro Lopo <erikd@mega-nerd.com>
#
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# * Neither the author nor the names of any contributors may be used
# to endorse or promote products derived from this software without
# specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# Simple test script for the sndfile-metadata-set program.
from __future__ import print_function
try:
# py2
import commands
except ImportError:
# py3
import subprocess as commands
import os, sys
import time, datetime
class Programs:
def __init__ (self, needs_exe):
if needs_exe:
extension = ".exe"
else:
extension = ""
self.meta_set_prog = "./sndfile-metadata-set" + extension
self.meta_get_prog = "./sndfile-metadata-get" + extension
self.make_sine_prog = "../examples/make_sine" + extension
def _run_command (self, should_fail, cmd):
status, output = commands.getstatusoutput (cmd)
if should_fail and not status:
print("\n\nError : command '%s' should have failed." % cmd)
print(output)
print()
sys.exit (1)
if not should_fail and status:
print("\n\nError : command '%s' should not have failed." % cmd)
print(output)
print()
sys.exit (1)
return output
def meta_set (self, should_fail, args):
return self._run_command (should_fail, self.meta_set_prog + " " + args)
def meta_get (self, should_fail, args):
return self._run_command (should_fail, self.meta_get_prog + " " + args)
def make_sine (self):
return os.system (self.make_sine_prog)
def check_executables (self):
for name in [ self.meta_set_prog, self.meta_get_prog, self.make_sine_prog ]:
if not (os.path.isfile (name)):
print("\n\nError : Can't find executable '%s'. Have you run make?" % name)
sys.exit (1)
def print_test_name (name):
print(" %-30s :" % name, end="")
def assert_info (programs, filename, arg, value):
output = programs.meta_get (False, "%s %s" % (arg, filename))
if output.find (value) < 0:
print("\n\nError : not able to find '%s'." % value)
print(output)
sys.exit (1)
return
def test_empty_fail (programs):
print_test_name ("Empty fail test")
output = programs.meta_set (True, "--bext-description Alpha sine.wav")
print("ok")
def test_copy (programs):
print_test_name ("Copy test")
output = programs.meta_set (False, "--bext-description \"First Try\" sine.wav output.wav")
assert_info (programs, "output.wav", "--bext-description", "First Try")
print("ok")
def test_update (programs, tests):
print_test_name ("Update test")
for arg, value in tests:
output = programs.meta_set (False, "%s \"%s\" output.wav" % (arg, value))
assert_info (programs, "output.wav", arg, value)
print("ok")
def test_post_mod (programs, tests):
print_test_name ("Post mod test")
for arg, value in tests:
assert_info (programs, "output.wav", arg, value)
print("ok")
def test_auto_date (programs):
print_test_name ("Auto date test")
output = programs.meta_set (False, "--bext-auto-time-date sine.wav date-time.wav")
target = datetime.date.today ().__str__ ()
assert_info (programs, "date-time.wav", "--bext-orig-date", target)
print("ok")
#-------------------------------------------------------------------------------
def test_coding_history (programs):
print_test_name ("Coding history test")
output = programs.meta_set (False, "--bext-coding-hist \"alpha beta\" output.wav")
output = programs.meta_get (False, "--bext-coding-hist output.wav")
print("ok")
#-------------------------------------------------------------------------------
def test_rewrite (programs):
print_test_name ("Rewrite test")
output = programs.meta_set (False, "--bext-originator \"Really, really long string\" output.wav")
output = programs.meta_set (False, "--bext-originator \"Short\" output.wav")
output = programs.meta_get (False, "--bext-originator output.wav")
if output.find ("really long") > 0:
print("\n\nError : output '%s' should not contain 'really long'." % output)
sys.exit (1)
print("ok")
#===============================================================================
test_dir = "programs"
print("\nTesting WAV metadata manipulation:")
if os.path.isdir (test_dir):
os.chdir (test_dir)
if len (sys.argv) >= 1 and sys.argv [1].endswith ("mingw32"):
needs_exe = True
else:
needs_exe = False
programs = Programs (needs_exe)
programs.check_executables ()
programs.make_sine ()
if not os.path.isfile ("sine.wav"):
print("\n\nError : Can't file file 'sine.wav'.")
sys.exit (1)
test_empty_fail (programs)
test_copy (programs)
tests = [
("--bext-description", "Alpha"), ("--bext-originator", "Beta"), ("--bext-orig-ref", "Charlie"),
("--bext-umid", "Delta"), ("--bext-orig-date", "2001-10-01"), ("--bext-orig-time", "01:02:03"),
("--str-title", "Echo"), ("--str-artist", "Fox trot")
]
test_auto_date (programs)
test_update (programs, tests)
test_post_mod (programs, tests)
test_update (programs, [ ("--str-artist", "Fox") ])
# This never worked.
# test_coding_history ()
test_rewrite (programs)
print()
sys.exit (0)