added full pending post unit test

This commit is contained in:
albert 2010-02-09 00:44:01 -05:00
parent 07b0e213f3
commit 39424ca52b
14 changed files with 515 additions and 311 deletions

87
app/logical/download.rb Normal file
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@ -0,0 +1,87 @@
class Download
class Error < Exception ; end
attr_accessor :source, :content_type
def initialize(source, file_path)
@source = source
@file_path = file_path
end
# Downloads to @file_path
def download!
http_get_streaming(@source) do |response|
self.content_type = response["Content-Type"]
File.open(@file_path, "wb") do |out|
response.read_body(out)
end
end
@source = fix_image_board_sources(@source)
end
# private
def handle_pixiv(source, headers)
if source =~ /pixiv\.net/
headers["Referer"] = "http://www.pixiv.net"
# Don't download the small version
if source =~ %r!(/img/.+?/.+?)_m.+$!
match = $1
source.sub!(match + "_m", match)
end
end
source
end
def http_get_streaming(source, options = {})
max_size = options[:max_size] || Danbooru.config.max_file_size
max_size = nil if max_size == 0 # unlimited
limit = 4
while true
url = URI.parse(source)
unless url.is_a?(URI::HTTP)
raise Error.new("URL must be HTTP")
end
Net::HTTP.start(url.host, url.port) do |http|
http.read_timeout = 10
headers = {
"User-Agent" => "#{Danbooru.config.safe_app_name}/#{Danbooru.config.version}"
}
source = handle_pixiv(source, headers)
http.request_get(url.request_uri, headers) do |res|
case res
when Net::HTTPSuccess then
if max_size
len = res["Content-Length"]
raise Error.new("File is too large (#{len} bytes)") if len && len.to_i > max_size
end
yield(res)
return
when Net::HTTPRedirection then
if limit == 0 then
raise Error.new("Too many redirects")
end
source = res["location"]
limit -= 1
else
raise Error.new("HTTP error code: #{res.code} #{res.message}")
end
end # http.request_get
end # http.start
end # while
end # def
def fix_image_board_sources(source)
if source =~ /\/src\/\d{12,}|urnc\.yi\.org|yui\.cynthia\.bne\.jp/
"Image board"
else
source
end
end
end

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@ -1,2 +1,205 @@
require "danbooru_image_resizer/danbooru_image_resizer"
require "tmpdir"
class PendingPost < ActiveRecord::Base
end
class Error < Exception ; end
attr_accessor :file, :image_width, :image_height, :file_ext, :md5, :file_size
belongs_to :uploader, :class_name => "User"
def process!
update_attribute(:status, "processing")
download_from_source(temp_file_path) if is_downloadable?
calculate_hash(file_path)
calculate_file_size(file_path)
calculate_dimensions(file_path) if has_dimensions?
generate_resizes(file_path)
move_file
post = convert_to_post
if post.save
update_attributes(:status => "finished", :post_id => post.id)
else
update_attribute(:status, "error: " + post.errors.full_messages.join(", "))
end
end
# private
module ResizerMethods
def generate_resizes(source_path)
generate_resize_for(Danbooru.config.small_image_width, source_path)
generate_resize_for(Danbooru.config.medium_image_width, source_path)
generate_resize_for(Danbooru.config.large_image_width, source_path)
end
def generate_resize_for(width, source_path)
return if width.nil?
return unless image_width > width
unless File.exists?(source_path)
raise Error.new("file not found")
end
size = Danbooru.reduce_to({:width => image_width, :height => image_height}, {:width => width})
# If we're not reducing the resolution, only reencode if the source image larger than
# 200 kilobytes.
if size[:width] == image_width && size[:height] == image_height && File.size?(source_path) < 200.kilobytes
return
end
Danbooru.resize(file_ext, source_path, resized_file_path_for(width), size, 90)
end
end
module DimensionMethods
# Figures out the dimensions of the image.
def calculate_dimensions(file_path)
image_size = ImageSize.new(File.open(file_path, "rb"))
self.image_width = image_size.get_width
self.image_height = image_size.get_height
end
# Does this file have image dimensions?
def has_dimensions?
%w(jpg gif png swf).include?(file_ext)
end
end
module ContentTypeMethods
def content_type_to_file_ext(content_type)
case content_type
when "image/jpeg"
"jpg"
when "image/gif"
"gif"
when "image/png"
"png"
when "application/x-shockwave-flash"
"swf"
else
"bin"
end
end
# Converts a content type string to a file extension
def file_ext_to_content_type(file_ext)
case file_ext
when /\.jpeg$|\.jpg$/
"image/jpeg"
when /\.gif$/
"image/gif"
when /\.png$/
"image/png"
when /\.swf$/
"application/x-shockwave-flash"
else
"application/octet-stream"
end
end
end
module FilePathMethods
def md5_file_path
prefix = Rails.env == "test" ? "test." : ""
"#{Rails.root}/public/data/original/#{prefix}#{md5}.#{file_ext}"
end
def resized_file_path_for(width)
prefix = Rails.env == "test" ? "test." : ""
case width
when Danbooru.config.small_image_width
"#{Rails.root}/public/data/thumb/#{prefix}#{md5}.jpg"
when Danbooru.config.medium_image_width
"#{Rails.root}/public/data/medium/#{prefix}#{md5}.jpg"
when Danbooru.config.large_image_width
"#{Rails.root}/public/data/large/#{prefix}#{md5}.jpg"
end
end
def temp_file_path
File.join(Dir::tmpdir, "#{Time.now.to_f}.#{$PROCESS_ID}")
end
end
module DownloaderMethods
# Determines whether the source is downloadable
def is_downloadable?
source =~ /^http:\/\// && file_path.blank?
end
# Downloads the file to destination_path
def download_from_source(destination_path)
download = Download.new(source, destination_path)
download.download!
self.file_path = destination_path
self.content_type = download.content_type || file_ext_to_content_type(source)
self.file_ext = content_type_to_file_ext(content_type)
self.source = download.source
end
end
module CgiFileMethods
# Moves the cgi file to file_path
def convert_cgi_file(destination_path)
return if file.blank? || file.size == 0
if file.local_path
FileUtils.mv(file.local_path, destination_path)
else
File.open(destination_path, 'wb') do |out|
out.write(file.read)
end
end
self.file_path = destination_path
self.content_type = file.content_type || file_ext_to_content_type(file.original_filename)
self.file_ext = content_type_to_file_ext(content_type)
end
end
include ResizerMethods
include DimensionMethods
include ContentTypeMethods
include DownloaderMethods
include FilePathMethods
include CgiFileMethods
# private
def convert_to_post
returning Post.new do |p|
p.tag_string = tag_string
p.md5 = md5
p.file_ext = file_ext
p.image_width = image_width
p.image_height = image_height
p.uploader_id = uploader_id
p.uploader_ip_addr = uploader_ip_addr
p.rating = rating
p.source = source
p.file_size = file_size
end
end
def move_file
FileUtils.mv(file_path, md5_file_path)
end
def calculate_file_size(source_path)
self.file_size = File.size(source_path)
end
# Calculates the MD5 based on whatever is in temp_file_path
def calculate_hash(source_path)
self.md5 = Digest::MD5.file(source_path).hexdigest
end
end

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@ -3,267 +3,4 @@ class Post < ActiveRecord::Base
set_table_name "deleted_posts"
end
class Pending < ActiveRecord::Base
class Error < Exception ; end
class Download
class Error < Exception ; end
attr_accessible :source, :content_type
def initialize(source, file_path)
@source = source
@file_path = file_path
end
# Downloads to @file_path
def download!
http_get_streaming(@source) do |response|
self.content_type = response["Content-Type"]
File.open(@file_path, "wb") do |out|
response.read_body(out)
end
end
@source = fix_image_board_sources(@source)
end
private
def handle_pixiv(source, headers)
if source =~ /pixiv\.net/
headers["Referer"] = "http://www.pixiv.net"
# Don't download the small version
if source =~ %r!(/img/.+?/.+?)_m.+$!
match = $1
source.sub!(match + "_m", match)
end
end
source
end
def http_get_streaming(source, options = {})
max_size = options[:max_size] || Danbooru.config.max_file_size
max_size = nil if max_size == 0 # unlimited
limit = 4
while true
url = URI.parse(source)
unless url.is_a?(URI::HTTP)
raise Error.new("URL must be HTTP")
end
Net::HTTP.start(url.host, url.port) do |http|
http.read_timeout = 10
headers = {
"User-Agent" => "#{Danbooru.config.safe_app_name}/#{Danbooru.config.version}"
}
source = handle_pixiv(source, headers)
http.request_get(url.request_uri, headers) do |res|
case res
when Net::HTTPSuccess then
if max_size
len = res["Content-Length"]
raise Error.new("File is too large (#{len} bytes)") if len && len.to_i > max_size
end
yield(res)
return
when Net::HTTPRedirection then
if limit == 0 then
raise Error.new("Too many redirects")
end
source = res["location"]
limit -= 1
else
raise Error.new("HTTP error code: #{res.code} #{res.message}")
end
end # http.request_get
end # http.start
end # while
end # def
def fix_image_board_sources(source)
if source =~ /\/src\/\d{12,}|urnc\.yi\.org|yui\.cynthia\.bne\.jp/
"Image board"
else
source
end
end
end # download
set_table_name "pending_posts"
belongs_to :post
attr_accessible :file, :image_width, :image_height
def process!
update_attribute(:status, "processing")
if file
convert_cgi_file(temp_file_path)
elsif is_downloadable?
download_from_source(temp_file_path)
end
calculate_hash(temp_file_path)
move_file
calculate_dimensions
generate_resizes
convert_to_post
update_attribute(:status, "finished")
end
private
def generate_resizes
generate_resize_for(Danbooru.config.small_image_width)
generate_resize_for(Danbooru.config.medium_image_width)
generate_resize_for(Danbooru.config.large_image_width)
end
def create_resize_for(width)
return if width.nil?
return unless image_width > width
unless File.exists?(final_file_path)
raise Error.new("file not found")
end
size = Danbooru.reduce_to({:width => image_width, :height => image_height}, {:width => width})
# If we're not reducing the resolution, only reencode if the source image larger than
# 200 kilobytes.
if size[:width] == width && size[:height] == height && File.size?(path) > 200.kilobytes
return true
end
begin
Danbooru.resize(file_ext, final_file_path, resize_file_path_for(width), size, 90)
rescue Exception => x
errors.add "sample", "couldn't be created: #{x}"
return false
end
self.sample_width = size[:width]
self.sample_height = size[:height]
return true
end
def resize_file_path_for(width)
case width
when Danbooru.config.small_image_width
"#{Rails.root}/public/data/preview"
when Danbooru.config.medium_image_width
"#{Rails.root}/public/data/medium"
when Danbooru.config.large_image_width
"#{Rails.root}/public/data/large"
end
end
def convert_to_post
returning Post.new do |p|
p.tag_string = tag_string
p.md5 = md5
p.file_ext = file_ext
p.image_width = image_width
p.image_height = image_height
p.uploader_id = uploader_id
p.uploader_ip_addr = uploader_ip_addr
p.rating = rating
p.source = source
end
end
def calculate_dimensions(post)
if has_dimensions?
image_size = ImageSize.new(File.open(final_file_path, "rb"))
self.image_width = image_size.get_width
self.image_hegiht = image_hegiht.get_height
end
end
def has_dimensions?
%w(jpg gif png swf).include?(file_ext)
end
def move_file
FileUtils.mv(temp_file_path, final_file_path)
end
def final_file_path
"#{Rails.root}/public/data/original/#{md5}.#{file_ext}"
end
# Calculates the MD5 based on whatever is in temp_file_path
def calculate_hash(file_path)
self.md5 = Digest::MD5.file(file_path).hexdigest
end
# Moves the cgi file to file_path
def convert_cgi_file(file_path)
return if file.blank? || file.size == 0
if file.local_path
FileUtils.mv(file.local_path, file_path)
else
File.open(file_path, 'wb') do |out|
out.write(file.read)
end
end
self.file_ext = content_type_to_file_ext(file.content_type) || find_ext(file.original_filename)
end
# Determines whether the source is downloadable
def is_downloadable?
source =~ /^http:\/\// && file.blank?
end
# Downloads the file to file_path
def download_from_source(file_path)
download = Download.new(source, file_path)
download.download!
self.file_ext = content_type_to_file_ext(download.content_type) || find_ext(source)
end
# Converts a content type string to a file extension
def content_type_to_file_ext(content_type)
case content_type
when /jpeg/
return "jpg"
when /gif/
return "gif"
when /png/
return "png"
when /x-shockwave-flash/
return "swf"
else
nil
end
end
# Determines the file extention based on a path, normalizing if necessary
def find_ext(file_path)
ext = File.extname(file_path)
if ext.blank?
return "txt"
else
ext = ext[1..-1].downcase
ext = "jpg" if ext == "jpeg"
return ext
end
end
# Path to a temporary file
def temp_file_path
@temp_file ||= Tempfile.new("danbooru-upload-#{$PROCESS_ID}")
@temp_file.path
end
end
end

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@ -1,6 +1,6 @@
require 'fileutils'
FileUtils.mkdir_p("#{Rails.root}/public/data/size_thumbnail")
FileUtils.mkdir_p("#{Rails.root}/public/data/size_medium")
FileUtils.mkdir_p("#{Rails.root}/public/data/size_large")
FileUtils.mkdir_p("#{Rails.root}/public/data/size_original")
FileUtils.mkdir_p("#{Rails.root}/public/data/thumb")
FileUtils.mkdir_p("#{Rails.root}/public/data/medium")
FileUtils.mkdir_p("#{Rails.root}/public/data/large")
FileUtils.mkdir_p("#{Rails.root}/public/data/original")

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@ -83,6 +83,8 @@ CREATE TABLE pending_posts (
created_at timestamp without time zone,
updated_at timestamp without time zone,
source character varying(255),
file_path character varying(255),
content_type character varying(255),
rating character(1) NOT NULL,
uploader_id integer NOT NULL,
uploader_ip_addr inet NOT NULL,
@ -452,8 +454,8 @@ CREATE TRIGGER trigger_posts_on_tag_index_update
INSERT INTO schema_migrations (version) VALUES ('20100204211522');
INSERT INTO schema_migrations (version) VALUES ('20100205162521');
INSERT INTO schema_migrations (version) VALUES ('20100204214746');
INSERT INTO schema_migrations (version) VALUES ('20100205162521');
INSERT INTO schema_migrations (version) VALUES ('20100205224030');

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@ -3,6 +3,9 @@ class CreatePendingPosts < ActiveRecord::Migration
create_table :pending_posts do |t|
t.timestamps
t.column :source, :string
t.column :file_path, :string
t.column :content_type, :string
t.column :rating, :character, :null => false
t.column :uploader_id, :integer, :null => false
t.column :uploader_ip_addr, "inet", :null => false

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@ -0,0 +1,43 @@
require 'fileutils'
Factory.define(:pending_post) do |f|
f.rating "s"
f.uploader {|x| x.association(:user)}
f.uploader_ip_addr "127.0.0.1"
f.tag_string "special"
f.status "pending"
end
Factory.define(:downloadable_pending_post, :parent => :pending_post) do |f|
f.source "http://www.google.com/intl/en_ALL/images/logo.gif"
end
Factory.define(:uploaded_jpg_pending_post, :parent => :pending_post) do |f|
f.file_path do
FileUtils.cp("#{Rails.root}/test/files/test.jpg", "#{Rails.root}/tmp")
"#{Rails.root}/tmp/test.jpg"
end
end
Factory.define(:uploaded_large_jpg_pending_post, :parent => :pending_post) do |f|
f.file_ext "jpg"
f.content_type "image/jpeg"
f.file_path do
FileUtils.cp("#{Rails.root}/test/files/test-large.jpg", "#{Rails.root}/tmp")
"#{Rails.root}/tmp/test-large.jpg"
end
end
Factory.define(:uploaded_png_pending_post, :parent => :pending_post) do |f|
f.file_path do
FileUtils.cp("#{Rails.root}/test/files/test.png", "#{Rails.root}/tmp")
"#{Rails.root}/tmp/test.png"
end
end
Factory.define(:uploaded_gif_pending_post, :parent => :pending_post) do |f|
f.file_path do
FileUtils.cp("#{Rails.root}/test/files/test.gif", "#{Rails.root}/tmp")
"#{Rails.root}/tmp/test.gif"
end
end

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@ -0,0 +1,41 @@
require File.dirname(__FILE__) + '/../test_helper'
class DownloadTest < ActiveSupport::TestCase
context "A post download" do
setup do
@source = "http://www.google.com/intl/en_ALL/images/logo.gif"
@tempfile = Tempfile.new("danbooru-test")
@download = Download.new(@source, @tempfile.path)
end
teardown do
@tempfile.close
end
should "stream a file from an HTTP source" do
@download.http_get_streaming(@download.source) do |resp|
assert_equal("200", resp.code)
assert(resp["Content-Length"].to_i > 0, "File should be larger than 0 bytes")
end
end
should "throw an exception when the file is larger than the maximum" do
assert_raise(Download::Error) do
@download.http_get_streaming(@download.source, :max_size => 1) do |resp|
end
end
end
should "store the file in the tempfile path" do
@download.download!
assert_equal(@source, @download.source)
assert(File.exists?(@tempfile.path), "temp file should exist")
assert(File.size(@tempfile.path) > 0, "should have data")
end
should "initialize the content type" do
@download.download!
assert_match(/image\/gif/, @download.content_type)
end
end
end

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@ -1,8 +1,132 @@
require 'test_helper'
require File.dirname(__FILE__) + '/../test_helper'
class PendingPostTest < ActiveSupport::TestCase
# Replace this with your real tests.
test "the truth" do
assert true
context "A pending post" do
teardown do
FileUtils.rm_f(Dir.glob("#{Rails.root}/tmp/test.*"))
end
context "image size calculator" do
should "discover the dimensions for a JPG" do
@pending_post = Factory.create(:uploaded_jpg_pending_post)
assert_nothing_raised {@pending_post.calculate_dimensions(@pending_post.file_path)}
assert_equal(500, @pending_post.image_width)
assert_equal(335, @pending_post.image_height)
end
should "discover the dimensions for a PNG" do
@pending_post = Factory.create(:uploaded_png_pending_post)
assert_nothing_raised {@pending_post.calculate_dimensions(@pending_post.file_path)}
assert_equal(768, @pending_post.image_width)
assert_equal(1024, @pending_post.image_height)
end
should "discover the dimensions for a GIF" do
@pending_post = Factory.create(:uploaded_gif_pending_post)
assert_nothing_raised {@pending_post.calculate_dimensions(@pending_post.file_path)}
assert_equal(400, @pending_post.image_width)
assert_equal(400, @pending_post.image_height)
end
end
context "content type calculator" do
should "know how to parse jpeg, png, gif, and swf file extensions" do
@pending_post = Factory.create(:uploaded_jpg_pending_post)
assert_equal("image/jpeg", @pending_post.file_ext_to_content_type("test.jpeg"))
assert_equal("image/gif", @pending_post.file_ext_to_content_type("test.gif"))
assert_equal("image/png", @pending_post.file_ext_to_content_type("test.png"))
assert_equal("application/x-shockwave-flash", @pending_post.file_ext_to_content_type("test.swf"))
assert_equal("application/octet-stream", @pending_post.file_ext_to_content_type(""))
end
should "know how to parse jpeg, png, gif, and swf content types" do
@pending_post = Factory.create(:uploaded_jpg_pending_post)
assert_equal("jpg", @pending_post.content_type_to_file_ext("image/jpeg"))
assert_equal("gif", @pending_post.content_type_to_file_ext("image/gif"))
assert_equal("png", @pending_post.content_type_to_file_ext("image/png"))
assert_equal("swf", @pending_post.content_type_to_file_ext("application/x-shockwave-flash"))
assert_equal("bin", @pending_post.content_type_to_file_ext(""))
end
end
context "downloader" do
should "initialize the final path and content type after downloading a file" do
@pending_post = Factory.create(:downloadable_pending_post)
path = "#{Rails.root}/tmp/test.download.jpg"
assert_nothing_raised {@pending_post.download_from_source(path)}
assert(File.exists?(path))
assert_equal(8558, File.size(path))
assert_equal("image/gif", @pending_post.content_type)
assert_equal(path, @pending_post.file_path)
assert_equal("gif", @pending_post.file_ext)
end
end
context "file processor" do
should "parse and process a cgi file representation" do
FileUtils.cp("#{Rails.root}/test/files/test.jpg", "#{Rails.root}/tmp")
@pending_post = PendingPost.new(:file => upload_jpeg("#{Rails.root}/tmp/test.jpg"))
assert_nothing_raised {@pending_post.convert_cgi_file("#{Rails.root}/tmp/test.converted.jpg")}
assert_equal("image/jpeg", @pending_post.content_type)
assert_equal("#{Rails.root}/tmp/test.converted.jpg", @pending_post.file_path)
assert(File.exists?("#{Rails.root}/tmp/test.converted.jpg"))
assert_equal(28086, File.size("#{Rails.root}/tmp/test.converted.jpg"))
assert_equal("jpg", @pending_post.file_ext)
end
end
context "hash calculator" do
should "caculate the hash" do
@pending_post = Factory.create(:uploaded_jpg_pending_post)
@pending_post.calculate_hash(@pending_post.file_path)
assert_equal("ecef68c44edb8a0d6a3070b5f8e8ee76", @pending_post.md5)
end
end
context "resizer" do
teardown do
FileUtils.rm_f(Dir.glob("#{Rails.root}/public/data/thumb/test.*.jpg"))
FileUtils.rm_f(Dir.glob("#{Rails.root}/public/data/medium/test.*.jpg"))
FileUtils.rm_f(Dir.glob("#{Rails.root}/public/data/large/test.*.jpg"))
FileUtils.rm_f(Dir.glob("#{Rails.root}/public/data/original/test.*.jpg"))
end
should "generate several resized versions of the image" do
@pending_post = Factory.create(:uploaded_large_jpg_pending_post)
@pending_post.calculate_hash(@pending_post.file_path)
@pending_post.calculate_dimensions(@pending_post.file_path)
assert_nothing_raised {@pending_post.generate_resizes(@pending_post.file_path)}
assert(File.exists?(@pending_post.resized_file_path_for(Danbooru.config.small_image_width)))
assert_equal(6556, File.size(@pending_post.resized_file_path_for(Danbooru.config.small_image_width)))
assert(File.exists?(@pending_post.resized_file_path_for(Danbooru.config.medium_image_width)))
assert_equal(39411, File.size(@pending_post.resized_file_path_for(Danbooru.config.medium_image_width)))
assert(File.exists?(@pending_post.resized_file_path_for(Danbooru.config.large_image_width)))
assert_equal(179324, File.size(@pending_post.resized_file_path_for(Danbooru.config.large_image_width)))
end
end
should "process completely for a downloaded image" do
@pending_post = Factory.create(:downloadable_pending_post,
:rating => "s",
:uploader_ip_addr => "127.0.0.1",
:tag_string => "hoge foo"
)
assert_difference("Post.count") do
assert_nothing_raised {@pending_post.process!}
end
post = Post.last
assert_equal("hoge foo", post.tag_string)
assert_equal("s", post.rating)
assert_equal(@pending_post.uploader_id, post.uploader_id)
assert_equal("127.0.0.1", post.uploader_ip_addr)
assert_equal(@pending_post.md5, post.md5)
assert_equal("gif", post.file_ext)
assert_equal(276, post.image_width)
assert_equal(110, post.image_height)
assert_equal(8558, post.file_size)
assert_equal(post.id, @pending_post.post_id)
assert_equal("finished", @pending_post.status)
end
end
end

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@ -1,41 +1,5 @@
require File.dirname(__FILE__) + '/../test_helper'
class PostTest < ActiveSupport::TestCase
context "A post download" do
setup do
@source = "http://www.google.com/intl/en_ALL/images/logo.gif"
@tempfile = Tempfile.new("danbooru-test")
@download = ::Post::Pending::Download.new(@source, @tempfile.path)
end
teardown do
@tempfile.close
end
should "stream a file from an HTTP source" do
@download.http_get_streaming(@download.source) do |resp|
assert_equal("200", resp.code)
assert(resp["Content-Length"].to_i > 0, "File should be larger than 0 bytes")
end
end
should "throw an exception when the file is larger than the maximum" do
assert_raise(Post::Pending::Download::Error) do
@download.http_get_streaming(@download.source, :max_size => 1) do |resp|
end
end
end
should "store the file in the tempfile path" do
@download.download!
assert_equal(@source, @download.source)
assert(File.exists?(@tempfile.path), "temp file should exist")
assert(File.size(@tempfile.path) > 0, "should have data")
end
should "initialize the content type" do
@download.download!
assert_match(/text\/html/, @download.content_type)
end
end
end