147 lines
3.5 KiB
Ruby
147 lines
3.5 KiB
Ruby
require 'spec_helper'
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describe OptimizedImage do
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let(:upload) { build(:upload) }
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before { upload.id = 42 }
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describe ".local?" do
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def local(url)
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OptimizedImage.new(url: url).local?
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end
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it "correctly detects local vs remote" do
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expect(local("//hello")).to eq(false)
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expect(local("http://hello")).to eq(false)
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expect(local("https://hello")).to eq(false)
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expect(local("https://hello")).to eq(false)
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expect(local("/hello")).to eq(true)
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end
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end
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describe ".create_for" do
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context "when using an internal store" do
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let(:store) { FakeInternalStore.new }
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before { Discourse.stubs(:store).returns(store) }
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context "when an error happened while generating the thumbnail" do
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it "returns nil" do
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OptimizedImage.expects(:resize).returns(false)
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expect(OptimizedImage.create_for(upload, 100, 200)).to eq(nil)
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end
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end
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context "when the thumbnail is properly generated" do
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before do
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OptimizedImage.expects(:resize).returns(true)
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end
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it "does not download a copy of the original image" do
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store.expects(:download).never
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OptimizedImage.create_for(upload, 100, 200)
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end
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it "closes and removes the tempfile" do
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Tempfile.any_instance.expects(:close!)
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OptimizedImage.create_for(upload, 100, 200)
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end
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it "works" do
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oi = OptimizedImage.create_for(upload, 100, 200)
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expect(oi.sha1).to eq("da39a3ee5e6b4b0d3255bfef95601890afd80709")
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expect(oi.extension).to eq(".png")
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expect(oi.width).to eq(100)
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expect(oi.height).to eq(200)
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expect(oi.url).to eq("/internally/stored/optimized/image.png")
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end
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end
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end
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describe "external store" do
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let(:store) { FakeExternalStore.new }
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before { Discourse.stubs(:store).returns(store) }
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context "when an error happened while generatign the thumbnail" do
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it "returns nil" do
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OptimizedImage.expects(:resize).returns(false)
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expect(OptimizedImage.create_for(upload, 100, 200)).to eq(nil)
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end
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end
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context "when the thumbnail is properly generated" do
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before do
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OptimizedImage.expects(:resize).returns(true)
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end
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it "downloads a copy of the original image" do
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Tempfile.any_instance.expects(:close!)
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store.expects(:download).with(upload).returns(Tempfile.new(["discourse-external", ".png"]))
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OptimizedImage.create_for(upload, 100, 200)
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end
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it "works" do
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oi = OptimizedImage.create_for(upload, 100, 200)
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expect(oi.sha1).to eq("da39a3ee5e6b4b0d3255bfef95601890afd80709")
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expect(oi.extension).to eq(".png")
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expect(oi.width).to eq(100)
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expect(oi.height).to eq(200)
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expect(oi.url).to eq("/externally/stored/optimized/image.png")
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end
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end
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end
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end
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end
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class FakeInternalStore
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def external?
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false
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end
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def path_for(upload)
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upload.url
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end
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def store_optimized_image(file, optimized_image)
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"/internally/stored/optimized/image#{optimized_image.extension}"
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end
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end
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class FakeExternalStore
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def path_for(upload)
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nil
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end
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def external?
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true
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end
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def store_optimized_image(file, optimized_image)
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"/externally/stored/optimized/image#{optimized_image.extension}"
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end
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def download(upload)
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extension = File.extname(upload.original_filename)
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Tempfile.new(["discourse-s3", extension])
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end
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end
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