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require 'test/helper'
class ThumbnailTest < Test::Unit::TestCase
context "A Paperclip Tempfile" do
setup do
@tempfile = Paperclip::Tempfile.new("file.jpg")
end
should "have its path contain a real extension" do
assert_equal ".jpg", File.extname(@tempfile.path)
end
should "be a real Tempfile" do
assert @tempfile.is_a?(::Tempfile)
end
end
context "Another Paperclip Tempfile" do
setup do
@tempfile = Paperclip::Tempfile.new("file")
end
should "not have an extension if not given one" do
assert_equal "", File.extname(@tempfile.path)
end
should "still be a real Tempfile" do
assert @tempfile.is_a?(::Tempfile)
end
end
context "An image" do
setup do
@file = File.new(File.join(File.dirname(__FILE__), "fixtures", "5k.png"), 'rb')
end
teardown { @file.close }
[["600x600>", "434x66"],
["400x400>", "400x61"],
["32x32<", "434x66"]
].each do |args|
context "being thumbnailed with a geometry of #{args[0]}" do
setup do
@thumb = Paperclip::Thumbnail.new(@file, :geometry => args[0])
end
should "start with dimensions of 434x66" do
cmd = %Q[identify -format "%wx%h" "#{@file.path}"]
assert_equal "434x66", `#{cmd}`.chomp
end
should "report the correct target geometry" do
assert_equal args[0], @thumb.target_geometry.to_s
end
context "when made" do
setup do
@thumb_result = @thumb.make
end
should "be the size we expect it to be" do
cmd = %Q[identify -format "%wx%h" "#{@thumb_result.path}"]
assert_equal args[1], `#{cmd}`.chomp
end
end
end
end
context "being thumbnailed at 100x50 with cropping" do
setup do
@thumb = Paperclip::Thumbnail.new(@file, :geometry => "100x50#")
end
should "report its correct current and target geometries" do
assert_equal "100x50#", @thumb.target_geometry.to_s
assert_equal "434x66", @thumb.current_geometry.to_s
end
should "report its correct format" do
assert_nil @thumb.format
end
should "have whiny turned on by default" do
assert @thumb.whiny
end
should "have convert_options set to nil by default" do
assert_equal nil, @thumb.convert_options
end
should "send the right command to convert when sent #make" do
Paperclip.expects(:"`").with do |arg|
arg.match %r{convert\s+"#{File.expand_path(@thumb.file.path)}\[0\]"\s+-resize\s+\"x50\"\s+-crop\s+\"100x50\+114\+0\"\s+\+repage\s+".*?"}
end
@thumb.make
end
should "create the thumbnail when sent #make" do
dst = @thumb.make
assert_match /100x50/, `identify "#{dst.path}"`
end
end
context "being thumbnailed with convert options set" do
setup do
@thumb = Paperclip::Thumbnail.new(@file,
:geometry => "100x50#",
:convert_options => "-strip -depth 8")
end
should "have convert_options value set" do
assert_equal "-strip -depth 8", @thumb.convert_options
end
should "send the right command to convert when sent #make" do
Paperclip.expects(:"`").with do |arg|
arg.match %r{convert\s+"#{File.expand_path(@thumb.file.path)}\[0\]"\s+-resize\s+"x50"\s+-crop\s+"100x50\+114\+0"\s+\+repage\s+-strip\s+-depth\s+8\s+".*?"}
end
@thumb.make
end
should "create the thumbnail when sent #make" do
dst = @thumb.make
assert_match /100x50/, `identify "#{dst.path}"`
end
context "redefined to have bad convert_options setting" do
setup do
@thumb = Paperclip::Thumbnail.new(@file,
:geometry => "100x50#",
:convert_options => "-this-aint-no-option")
end
should "error when trying to create the thumbnail" do
assert_raises(Paperclip::PaperclipError) do
@thumb.make
end
end
end
end
end
context "A multipage PDF" do
setup do
@file = File.new(File.join(File.dirname(__FILE__), "fixtures", "twopage.pdf"), 'rb')
end
teardown { @file.close }
should "start with two pages with dimensions 612x792" do
cmd = %Q[identify -format "%wx%h" "#{@file.path}"]
assert_equal "612x792"*2, `#{cmd}`.chomp
end
context "being thumbnailed at 100x100 with cropping" do
setup do
@thumb = Paperclip::Thumbnail.new(@file, :geometry => "100x100#", :format => :png)
end
should "report its correct current and target geometries" do
assert_equal "100x100#", @thumb.target_geometry.to_s
assert_equal "612x792", @thumb.current_geometry.to_s
end
should "report its correct format" do
assert_equal :png, @thumb.format
end
should "create the thumbnail when sent #make" do
dst = @thumb.make
assert_match /100x100/, `identify "#{dst.path}"`
end
end
end
end
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