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433 lines
14 KiB
Ruby
433 lines
14 KiB
Ruby
require "spec_helper"
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require "cooked_post_processor"
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describe CookedPostProcessor do
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context ".post_process" do
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let(:post) { build(:post) }
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let(:cpp) { CookedPostProcessor.new(post) }
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let(:post_process) { sequence("post_process") }
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it "post process in sequence" do
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cpp.expects(:keep_reverse_index_up_to_date).in_sequence(post_process)
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cpp.expects(:post_process_images).in_sequence(post_process)
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cpp.expects(:post_process_oneboxes).in_sequence(post_process)
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cpp.expects(:optimize_urls).in_sequence(post_process)
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cpp.expects(:pull_hotlinked_images).in_sequence(post_process)
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cpp.post_process
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end
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end
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context ".keep_reverse_index_up_to_date" do
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let(:post) { build(:post_with_uploads, id: 123) }
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let(:cpp) { CookedPostProcessor.new(post) }
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it "finds all the uploads in the post" do
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Upload.expects(:get_from_url).with("/uploads/default/2/2345678901234567.jpg")
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Upload.expects(:get_from_url).with("/uploads/default/1/1234567890123456.jpg")
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cpp.keep_reverse_index_up_to_date
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end
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it "cleans the reverse index up for the current post" do
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PostUpload.expects(:delete_all).with(post_id: post.id)
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cpp.keep_reverse_index_up_to_date
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end
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end
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context ".post_process_images" do
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shared_examples "leave dimensions alone" do
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it "doesn't use them" do
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# adds the width from the image sizes provided when no dimension is provided
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expect(cpp.html).to match(/src="http:\/\/foo.bar\/image.png" width="" height=""/)
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# adds the width from the image sizes provided
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expect(cpp.html).to match(/src="http:\/\/domain.com\/picture.jpg" width="50" height="42"/)
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expect(cpp).to be_dirty
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end
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end
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context "with image_sizes" do
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let(:post) { Fabricate(:post_with_image_urls) }
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let(:cpp) { CookedPostProcessor.new(post, image_sizes: image_sizes) }
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before { cpp.post_process_images }
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context "valid" do
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let(:image_sizes) { {"http://foo.bar/image.png" => {"width" => 111, "height" => 222}} }
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it "use them" do
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# adds the width from the image sizes provided when no dimension is provided
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expect(cpp.html).to match(/src="http:\/\/foo.bar\/image.png" width="111" height="222"/)
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# adds the width from the image sizes provided
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expect(cpp.html).to match(/src="http:\/\/domain.com\/picture.jpg" width="50" height="42"/)
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expect(cpp).to be_dirty
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end
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end
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context "invalid width" do
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let(:image_sizes) { {"http://foo.bar/image.png" => {"width" => 0, "height" => 222}} }
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include_examples "leave dimensions alone"
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end
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context "invalid height" do
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let(:image_sizes) { {"http://foo.bar/image.png" => {"width" => 111, "height" => 0}} }
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include_examples "leave dimensions alone"
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end
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context "invalid width & height" do
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let(:image_sizes) { {"http://foo.bar/image.png" => {"width" => 0, "height" => 0}} }
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include_examples "leave dimensions alone"
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end
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end
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context "with unsized images" do
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let(:post) { Fabricate(:post_with_unsized_images) }
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let(:cpp) { CookedPostProcessor.new(post) }
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it "adds the width and height to images that don't have them" do
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FastImage.expects(:size).returns([123, 456])
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cpp.post_process_images
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expect(cpp.html).to match(/width="123" height="456"/)
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expect(cpp).to be_dirty
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end
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end
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context "with large images" do
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let(:upload) { Fabricate(:upload) }
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let(:post) { Fabricate(:post_with_large_image) }
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let(:cpp) { CookedPostProcessor.new(post) }
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before do
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SiteSetting.max_image_height = 2000
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SiteSetting.create_thumbnails = true
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Upload.expects(:get_from_url).returns(upload)
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FastImage.stubs(:size).returns([1000, 2000])
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# hmmm this should be done in a cleaner way
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OptimizedImage.expects(:resize).returns(true)
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end
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it "generates overlay information" do
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cpp.post_process_images
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expect(cpp.html).to match_html '<div class="lightbox-wrapper"><a data-download-href="/uploads/default/e9d71f5ee7c92d6dc9e92ffdad17b8bd49418f98" href="/uploads/default/1/1234567890123456.jpg" class="lightbox" title="logo.png"><img src="/uploads/default/optimized/1X/e9d71f5ee7c92d6dc9e92ffdad17b8bd49418f98_1_690x1380.png" width="690" height="1380"><div class="meta">
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<span class="filename">logo.png</span><span class="informations">1000x2000 1.21 KB</span><span class="expand"></span>
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</div></a></div>'
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expect(cpp).to be_dirty
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end
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end
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context "with title" do
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let(:upload) { Fabricate(:upload) }
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let(:post) { Fabricate(:post_with_large_image_and_title) }
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let(:cpp) { CookedPostProcessor.new(post) }
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before do
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SiteSetting.max_image_height = 2000
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SiteSetting.create_thumbnails = true
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Upload.expects(:get_from_url).returns(upload)
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FastImage.stubs(:size).returns([1000, 2000])
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# hmmm this should be done in a cleaner way
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OptimizedImage.expects(:resize).returns(true)
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end
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it "generates overlay information" do
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cpp.post_process_images
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expect(cpp.html).to match_html '<div class="lightbox-wrapper"><a data-download-href="/uploads/default/e9d71f5ee7c92d6dc9e92ffdad17b8bd49418f98" href="/uploads/default/1/1234567890123456.jpg" class="lightbox" title="WAT"><img src="/uploads/default/optimized/1X/e9d71f5ee7c92d6dc9e92ffdad17b8bd49418f98_1_690x1380.png" title="WAT" width="690" height="1380"><div class="meta">
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<span class="filename">WAT</span><span class="informations">1000x2000 1.21 KB</span><span class="expand"></span>
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</div></a></div>'
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expect(cpp).to be_dirty
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end
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end
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context "topic image" do
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let(:topic) { build(:topic, id: 1) }
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let(:post) { Fabricate(:post_with_uploaded_image, topic: topic) }
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let(:cpp) { CookedPostProcessor.new(post) }
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it "adds a topic image if there's one in the post" do
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FastImage.stubs(:size)
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expect(post.topic.image_url).to eq(nil)
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cpp.post_process_images
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post.topic.reload
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expect(post.topic.image_url).to be_present
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end
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end
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end
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context ".extract_images" do
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let(:post) { build(:post_with_images_in_quote_and_onebox) }
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let(:cpp) { CookedPostProcessor.new(post) }
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it "does not extract images inside oneboxes or quotes" do
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expect(cpp.extract_images.length).to eq(0)
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end
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end
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context ".get_size_from_image_sizes" do
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let(:post) { build(:post) }
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let(:cpp) { CookedPostProcessor.new(post) }
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it "returns the size" do
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image_sizes = { "http://my.discourse.org/image.png" => { "width" => 111, "height" => 222 } }
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expect(cpp.get_size_from_image_sizes("/image.png", image_sizes)).to eq([111, 222])
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end
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end
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context ".get_size" do
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let(:post) { build(:post) }
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let(:cpp) { CookedPostProcessor.new(post) }
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it "ensures urls are absolute" do
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cpp.expects(:is_valid_image_url?).with("http://test.localhost/relative/url/image.png")
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cpp.get_size("/relative/url/image.png")
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end
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it "ensures urls have a default scheme" do
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cpp.expects(:is_valid_image_url?).with("http://schemaless.url/image.jpg")
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cpp.get_size("//schemaless.url/image.jpg")
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end
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it "caches the results" do
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SiteSetting.stubs(:crawl_images?).returns(true)
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FastImage.expects(:size).returns([200, 400])
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cpp.get_size("http://foo.bar/image3.png")
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expect(cpp.get_size("http://foo.bar/image3.png")).to eq([200, 400])
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end
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context "when crawl_images is disabled" do
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before { SiteSetting.stubs(:crawl_images?).returns(false) }
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it "doesn't call FastImage" do
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FastImage.expects(:size).never
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expect(cpp.get_size("http://foo.bar/image1.png")).to eq(nil)
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end
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it "is always allowed to crawl our own images" do
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store = stub
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store.expects(:has_been_uploaded?).returns(true)
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Discourse.expects(:store).returns(store)
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FastImage.expects(:size).returns([100, 200])
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expect(cpp.get_size("http://foo.bar/image2.png")).to eq([100, 200])
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end
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end
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end
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context ".is_valid_image_url?" do
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let(:post) { build(:post) }
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let(:cpp) { CookedPostProcessor.new(post) }
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it "validates HTTP(s) urls" do
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expect(cpp.is_valid_image_url?("http://domain.com")).to eq(true)
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expect(cpp.is_valid_image_url?("https://domain.com")).to eq(true)
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end
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it "doesn't validate other urls" do
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expect(cpp.is_valid_image_url?("ftp://domain.com")).to eq(false)
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expect(cpp.is_valid_image_url?("ftps://domain.com")).to eq(false)
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expect(cpp.is_valid_image_url?("/tmp/image.png")).to eq(false)
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expect(cpp.is_valid_image_url?("//domain.com")).to eq(false)
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end
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it "doesn't throw an exception with a bad URI" do
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expect(cpp.is_valid_image_url?("http://do<main.com")).to eq(nil)
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end
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end
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context ".get_filename" do
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let(:post) { build(:post) }
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let(:cpp) { CookedPostProcessor.new(post) }
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it "returns the filename of the src when there is no upload" do
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expect(cpp.get_filename(nil, "http://domain.com/image.png")).to eq("image.png")
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end
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it "returns the original filename of the upload when there is an upload" do
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upload = build(:upload, { original_filename: "upload.jpg" })
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expect(cpp.get_filename(upload, "http://domain.com/image.png")).to eq("upload.jpg")
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end
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it "returns a generic name for pasted images" do
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upload = build(:upload, { original_filename: "blob.png" })
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expect(cpp.get_filename(upload, "http://domain.com/image.png")).to eq(I18n.t('upload.pasted_image_filename'))
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end
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end
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context ".post_process_oneboxes" do
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let(:post) { build(:post_with_youtube, id: 123) }
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let(:cpp) { CookedPostProcessor.new(post, invalidate_oneboxes: true) }
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before do
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Oneboxer.expects(:onebox)
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.with("http://www.youtube.com/watch?v=9bZkp7q19f0", post_id: 123, invalidate_oneboxes: true)
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.returns("<div>GANGNAM STYLE</div>")
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cpp.post_process_oneboxes
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end
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it "is dirty" do
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expect(cpp).to be_dirty
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end
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it "inserts the onebox without wrapping p" do
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expect(cpp.html).to match_html "<div>GANGNAM STYLE</div>"
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end
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end
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context ".optimize_urls" do
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let(:post) { build(:post_with_uploads_and_links) }
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let(:cpp) { CookedPostProcessor.new(post) }
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it "uses schemaless url for uploads" do
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cpp.optimize_urls
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expect(cpp.html).to match_html '<a href="//test.localhost/uploads/default/2/2345678901234567.jpg">Link</a>
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<img src="//test.localhost/uploads/default/1/1234567890123456.jpg"><a href="http://www.google.com">Google</a>
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<img src="http://foo.bar/image.png">'
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end
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context "when CDN is enabled" do
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it "uses schemaless CDN url for uploads" do
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Rails.configuration.action_controller.stubs(:asset_host).returns("http://my.cdn.com")
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cpp.optimize_urls
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expect(cpp.html).to match_html '<a href="//my.cdn.com/uploads/default/2/2345678901234567.jpg">Link</a>
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<img src="//my.cdn.com/uploads/default/1/1234567890123456.jpg"><a href="http://www.google.com">Google</a>
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<img src="http://foo.bar/image.png">'
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end
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end
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end
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context ".pull_hotlinked_images" do
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let(:post) { build(:post) }
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let(:cpp) { CookedPostProcessor.new(post) }
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before { cpp.stubs(:available_disk_space).returns(90) }
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it "does not run when download_remote_images_to_local is disabled" do
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SiteSetting.stubs(:download_remote_images_to_local).returns(false)
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Jobs.expects(:cancel_scheduled_job).never
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cpp.pull_hotlinked_images
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end
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context "when download_remote_images_to_local? is enabled" do
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before { SiteSetting.stubs(:download_remote_images_to_local).returns(true) }
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it "does not run when there is not enough disk space" do
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cpp.expects(:disable_if_low_on_disk_space).returns(true)
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Jobs.expects(:cancel_scheduled_job).never
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cpp.pull_hotlinked_images
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end
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context "and there is enough disk space" do
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before { cpp.expects(:disable_if_low_on_disk_space).returns(false) }
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it "does not run when the system user updated the post" do
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post.last_editor_id = Discourse.system_user.id
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Jobs.expects(:cancel_scheduled_job).never
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cpp.pull_hotlinked_images
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end
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context "and the post has been updated by an actual user" do
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before { post.id = 42 }
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it "ensures only one job is scheduled right after the ninja_edit_window" do
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Jobs.expects(:cancel_scheduled_job).with(:pull_hotlinked_images, post_id: post.id).once
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delay = SiteSetting.ninja_edit_window + 1
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Jobs.expects(:enqueue_in).with(delay.seconds, :pull_hotlinked_images, post_id: post.id, bypass_bump: false).once
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cpp.pull_hotlinked_images
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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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context ".disable_if_low_on_disk_space" do
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let(:post) { build(:post) }
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let(:cpp) { CookedPostProcessor.new(post) }
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before { cpp.expects(:available_disk_space).returns(50) }
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it "does nothing when there's enough disk space" do
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SiteSetting.expects(:download_remote_images_threshold).returns(20)
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SiteSetting.expects(:download_remote_images_to_local).never
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expect(cpp.disable_if_low_on_disk_space).to eq(false)
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end
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context "when there's not enough disk space" do
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before { SiteSetting.expects(:download_remote_images_threshold).returns(75) }
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it "disables download_remote_images_threshold and send a notification to the admin" do
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StaffActionLogger.any_instance.expects(:log_site_setting_change).once
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SystemMessage.expects(:create_from_system_user).with(Discourse.site_contact_user, :download_remote_images_disabled).once
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expect(cpp.disable_if_low_on_disk_space).to eq(true)
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expect(SiteSetting.download_remote_images_to_local).to eq(false)
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end
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end
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end
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context ".is_a_hyperlink?" do
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let(:post) { build(:post) }
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let(:cpp) { CookedPostProcessor.new(post) }
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let(:doc) { Nokogiri::HTML::fragment('<body><div><a><img id="linked_image"></a><p><img id="standard_image"></p></div></body>') }
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it "is true when the image is inside a link" do
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img = doc.css("img#linked_image").first
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expect(cpp.is_a_hyperlink?(img)).to eq(true)
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end
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it "is false when the image is not inside a link" do
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img = doc.css("img#standard_image").first
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expect(cpp.is_a_hyperlink?(img)).to eq(false)
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end
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end
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end
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