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require "rails_helper"
describe Image do
describe "#filename" do
it "returns the filename" do
expect(Image.new("/Users/mo/blah.png").filename).to eql("blah.png")
end
it "sanitizes the filename" do
expect(Image.new("/Users/mo/blah huh.png").filename).to eql("blah_huh.png")
end
end
describe "#sha256" do
let(:path) { File.join(Rails.root, 'spec/fixtures/images/gps.jpg') }
it "gives the SHA256 of the image" do
expect(Image.new(path).sha256).to eql("530990323da10ba4b8ab6a9809e9d694bd354831fd58afc96e18c708bfad5ef1")
end
end
describe "#geolocation" do
let(:exif) { double }
subject { Image.new('blah.jpg', exif) }
it "parses the geolocation info" do
coordinates = [rand(100), rand(50)]
allow(exif).to receive(:parse_geolocation_from).with('blah.jpg').and_return(coordinates)
expect(subject.geolocation).to eql(coordinates)
end
end
describe "#content_type" do
it "returns the correct content type for jpegs" do
expect(Image.new('blah.jpg').content_type).to eql('image/jpeg')
expect(Image.new('blah.jpeg').content_type).to eql('image/jpeg')
end
it "returns the correct content type for png" do
expect(Image.new('blah.png').content_type).to eql('image/png')
end
it "returns the correct content type for gif" do
expect(Image.new('blah.gif').content_type).to eql('image/gif')
end
it "returns the correct content type for bmp" do
expect(Image.new('blah.bmp').content_type).to eql('image/bmp')
end
it "returns the correct content type for tif" do
expect(Image.new('blah.tif').content_type).to eql('image/tiff')
end
end
it "raises an errorwhen the file is not in the whitelist" do
expect(-> { Image.new('blah.exe') }).to raise_error(/not in the whitelist/)
end
context "resizing" do
let(:path) { "#{Tempfile.new('gps').path}.jpg" }
subject { Image.new(path) }
before :each do
FileUtils.cp(File.join(Rails.root, 'spec/fixtures/images/gps.jpg'), path)
end
it "resizes the image to fit" do
subject.resize_to_fit(width: 570, height: 630)
image = MiniMagick::Image.open(path)
expect(image[:width]).to eql(473)
expect(image[:height]).to eql(630)
end
it "resizes the image to fill" do
subject.resize_to_fill(width: 130, height: 90)
image = MiniMagick::Image.open(path)
expect(image[:width]).to eql(130)
expect(image[:height]).to eql(90)
end
it "adds a watermark" do
expect(-> { subject.watermark("testing") }).to_not raise_error
#`open #{path}`
end
end
end
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