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#!/usr/bin/ruby -w
# encoding: utf-8
$:.unshift("lib/")
require "test/unit"
require "ogginfo"
require "fileutils"
require "tempfile"
require File.join(File.dirname(__FILE__), "test_helper")
class OggInfoTest < Test::Unit::TestCase
def setup
@tempfile = load_fixtures[:ogg]
end
def teardown
FileUtils.rm_f(@tempfile)
end
def test_infos
OggInfo.open(@tempfile) do |ogg|
assert_equal 64000, ogg.nominal_bitrate
assert_equal 2, ogg.channels
assert_equal 44100, ogg.samplerate
assert_in_delta(3, ogg.length, 0.5)
end
end
def test_length
OggInfo.open(@tempfile) do |ogg|
assert_in_delta(3, ogg.length, 0.3, "length has not been correctly guessed")
assert_in_delta(64000.0, ogg.bitrate, 10000, "bitrate has not been correctly guessed")
end
end
def test_should_not_fail_when_input_is_truncated
ogg_length = nil
OggInfo.open(@tempfile) do |ogg|
ogg_length = ogg.length
end
tf = generate_truncated_ogg
OggInfo.open(tf.path) do |truncated_ogg|
assert ogg_length != truncated_ogg.length
end
reader = Ogg::Reader.new(open(tf.path, "r"))
last_page = nil
reader.each_pages do |page|
last_page = page
end
assert_not_equal Ogg.compute_checksum(last_page.pack), last_page.checksum
end
def test_checksum
tf = generate_truncated_ogg
reader = Ogg::Reader.new(open(tf.path))
assert_raises(Ogg::StreamError) do
reader.each_pages(:checksum => true) do |page|
page
end
end
end
def test_picture
tf = Tempfile.new(["ruby-ogginfo", ".jpg"])
jpg_content = (0...1000).collect { rand(256).chr }.join("")
tf.write(jpg_content)
tf.close
OggInfo.open(@tempfile) do |ogg|
ogg.picture = tf.path
end
OggInfo.open(@tempfile) do |ogg|
assert ogg.tag.has_key?("metadata_block_picture")
type, # picture type
_, # mime_type size
mime_type,
_, # description size
description,
_, # width
_, # height
_, # color depth
_, # number of color used
file_content_size,
file_content = ogg.tag["metadata_block_picture"].unpack("m*").first.unpack("NNa10Na10NNNNNa*")
assert_equal 3, type
assert_equal "image/jpeg", mime_type
assert_equal "folder.jpg", description
assert_equal jpg_content.size, file_content_size
assert_equal jpg_content, file_content
assert_equal [".jpg", jpg_content], ogg.picture
end
end
protected
def generate_truncated_ogg
tf = Tempfile.new("ruby-ogginfo")
s = File.size(@tempfile)
data = File.read(@tempfile, (s - s*0.75).to_i)
tf.write(data)
tf.close
tf
end
end
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