discourse/spec/lib/shrink_uploaded_image_spec.rb

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# frozen_string_literal: true
describe ShrinkUploadedImage do
context "when local uploads are enabled" do
let(:upload) { Fabricate(:image_upload, width: 200, height: 200) }
it "resizes the image" do
filesize_before = upload.filesize
post = Fabricate(:post, raw: "<img src='#{upload.url}'>")
post.link_post_uploads
result = ShrinkUploadedImage.new(
upload: upload,
path: Discourse.store.path_for(upload),
max_pixels: 10_000
).perform
expect(result).to be(true)
expect(upload.width).to eq(100)
expect(upload.height).to eq(100)
expect(upload.filesize).to be < filesize_before
end
it "returns false if the image is not used by any models" do
result = ShrinkUploadedImage.new(
upload: upload,
path: Discourse.store.path_for(upload),
max_pixels: 10_000
).perform
expect(result).to be(false)
end
it "returns false if the image cannot be shrunk more" do
post = Fabricate(:post, raw: "<img src='#{upload.url}'>")
post.link_post_uploads
ShrinkUploadedImage.new(
upload: upload,
path: Discourse.store.path_for(upload),
max_pixels: 10_000
).perform
upload.reload
result = ShrinkUploadedImage.new(
upload: upload,
path: Discourse.store.path_for(upload),
max_pixels: 10_000
).perform
expect(result).to be(false)
end
it "returns false when the upload is above the size limit" do
post = Fabricate(:post, raw: "<img src='#{upload.url}'>")
post.link_post_uploads
SiteSetting.max_image_size_kb = 0.001 # 1 byte
result = ShrinkUploadedImage.new(
upload: upload,
path: Discourse.store.path_for(upload),
max_pixels: 10_000
).perform
expect(result).to be(false)
end
it "returns false when the upload is not used in any posts" do
Fabricate(:user, uploaded_avatar: upload)
result = ShrinkUploadedImage.new(
upload: upload,
path: Discourse.store.path_for(upload),
max_pixels: 10_000
).perform
expect(result).to be(false)
end
end
context "when S3 uploads are enabled" do
let(:upload) { Fabricate(:s3_image_upload, width: 200, height: 200) }
before do
setup_s3
stub_s3_store
end
it "resizes the image" do
filesize_before = upload.filesize
post = Fabricate(:post, raw: "<img src='#{upload.url}'>")
post.link_post_uploads
result = ShrinkUploadedImage.new(
upload: upload,
path: Discourse.store.download(upload).path,
max_pixels: 10_000
).perform
expect(result).to be(true)
expect(upload.width).to eq(100)
expect(upload.height).to eq(100)
expect(upload.filesize).to be < filesize_before
end
end
end