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zoomifier
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factoring out shared example group

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Donald Ball 2008-11-25 14:27:14 -06:00
parent 99fc9db75c
commit 0b40e0019d
1 changed files with 32 additions and 49 deletions
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81
spec/zoomifier_spec.rb
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@ -6,14 +6,8 @@ describe Zoomifier do
Zoomifier.should respond_to(:zoomify)
end
describe "On a 1024x768 JPEG file" do
describe "all images", :shared => true do
before(:all) do
@input = File.dirname(__FILE__) + '/data/1024x768.jpg'
@output = File.dirname(__FILE__) + '/data/1024x768/'
@tiles = %w[0-0-0.jpg 1-1-1.jpg 2-1-0.jpg 2-2-1.jpg 2-3-2.jpg
1-0-0.jpg 2-0-0.jpg 2-1-1.jpg 2-2-2.jpg
1-0-1.jpg 2-0-1.jpg 2-1-2.jpg 2-3-0.jpg
1-1-0.jpg 2-0-2.jpg 2-2-0.jpg 2-3-1.jpg]
FileUtils.rm_rf(@output)
Zoomifier::zoomify(@input)
end
@ -27,35 +21,33 @@ describe Zoomifier do
end
it "should create the image properties file" do
File.file?(@output + '/ImageProperties.xml').should be_true
File.file?(@output + 'ImageProperties.xml').should be_true
end
it "should create a tile group directory" do
File.directory?(@output + '/TileGroup0/').should be_true
it "should create the tiles" do
tiles = Dir.glob(@output + 'TileGroup*/*.jpg')
tiles.sort.should == @tiles.map {|file| @output + file }.sort
end
it "should create the tiled images" do
tile_images = Dir.entries(@output + '/TileGroup0/').reject {|f| f.match(/^\./)}
tile_images.sort.should == @tiles.sort
tile_images.each do |file|
image = Magick::Image.read(@output + '/TileGroup0/' + file).first
it "should create tiles of 256x256 or less" do
@tiles.each do |file|
image = Magick::Image.read(@output + file).first
image.rows.should <= 256
image.columns.should <= 256
end
end
it "should not recreate the tiles if the image date precedes them" do
old_timestamps = timestamps(@output)
old_timestamps = timestamps
sleep(1)
Zoomifier::zoomify(@input)
new_timestamps = timestamps(@output)
old_timestamps.should == new_timestamps
old_timestamps.should == timestamps
end
def timestamps(dir)
def timestamps
timestamps = {}
['/ImageProperties.xml', '/TileGroup0/*.jpg'].each do |pattern|
Dir.glob(dir + pattern) do |filename|
['ImageProperties.xml', 'TileGroup*/*.jpg'].each do |pattern|
Dir.glob(@output + pattern) do |filename|
timestamps[filename] = File.mtime(filename)
end
end
@ -63,6 +55,21 @@ describe Zoomifier do
end
end
describe "On a 1024x768 JPEG file" do
before(:all) do
@input = File.dirname(__FILE__) + '/data/1024x768.jpg'
@output = File.dirname(__FILE__) + '/data/1024x768/'
@tiles = %w[0-0-0.jpg 1-1-1.jpg 2-1-0.jpg 2-2-1.jpg 2-3-2.jpg
1-0-0.jpg 2-0-0.jpg 2-1-1.jpg 2-2-2.jpg
1-0-1.jpg 2-0-1.jpg 2-1-2.jpg 2-3-0.jpg
1-1-0.jpg 2-0-2.jpg 2-2-0.jpg 2-3-1.jpg].map do |file|
'TileGroup0/' + file
end
end
it_should_behave_like "all images"
end
describe "On a 2973x2159 JPEG file" do
before(:all) do
@input = File.dirname(__FILE__) + '/data/2973x2159.jpg'
@ -98,35 +105,11 @@ describe Zoomifier do
3-2-3.jpg 4-1-5.jpg 4-3-0.jpg 4-6-4.jpg 4-9-8.jpg
3-2-4.jpg 4-1-6.jpg 4-3-1.jpg 4-6-5.jpg
3-3-0.jpg 4-1-7.jpg 4-3-2.jpg 4-6-6.jpg
3-3-1.jpg 4-1-8.jpg 4-3-3.jpg 4-6-7.jpg]
FileUtils.rm_rf(@output)
Zoomifier::zoomify(@input)
end
after(:all) do
FileUtils.rm_rf(@output)
end
it "should create the output directory" do
File.directory?(@output).should be_true
end
it "should create the image properties file" do
File.file?(@output + '/ImageProperties.xml').should be_true
end
it "should create a tile group directory" do
File.directory?(@output + '/TileGroup0/').should be_true
end
it "should create the tiled images" do
tile_images = Dir.entries(@output + '/TileGroup0/').reject {|f| f.match(/^\./)}
tile_images.sort.should == @tiles.sort
tile_images.each do |file|
image = Magick::Image.read(@output + '/TileGroup0/' + file).first
image.rows.should <= 256
image.columns.should <= 256
3-3-1.jpg 4-1-8.jpg 4-3-3.jpg 4-6-7.jpg].map do |file|
'TileGroup0/' + file
end
end
it_should_behave_like "all images"
end
end