discourse/spec/lib/shrink_uploaded_image_spec.rb

161 lines
4.1 KiB
Ruby

# frozen_string_literal: true
RSpec.describe ShrinkUploadedImage do
fab!(:user) { Fabricate(:user, refresh_auto_groups: true) }
def create_post_with_upload
post = Fabricate(:post, raw: "<img src='#{upload.url}'>", user: user)
post.link_post_uploads
post
end
context "when local uploads are enabled" do
let(:upload) { Fabricate(:image_upload, width: 200, height: 200) }
it "resizes the image" do
create_post_with_upload
filesize_before = upload.filesize
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 "updates HotlinkedMedia records when there is an upload for downsized image" do
OptimizedImage.downsize(
Discourse.store.path_for(upload),
"/tmp/smaller.png",
"10000@",
filename: upload.original_filename,
)
smaller_sha1 = Upload.generate_digest("/tmp/smaller.png")
smaller_upload = Fabricate(:image_upload, sha1: smaller_sha1)
post = create_post_with_upload
post_hotlinked_media =
PostHotlinkedMedia.create!(
post: post,
url: "http://example.com/images/2/2e/Longcat1.png",
upload: upload,
status: :downloaded,
)
ShrinkUploadedImage.new(
upload: upload,
path: Discourse.store.path_for(upload),
max_pixels: 10_000,
).perform
expect(post_hotlinked_media.reload.upload).to eq(smaller_upload)
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
create_post_with_upload
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
create_post_with_upload
SiteSetting.max_image_size_kb = 0
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
it "returns false if the image is invalid" do
post = Fabricate(:post, raw: "<img src='#{upload.url}'>")
post.link_post_uploads
FastImage.stubs(:size).raises(FastImage::SizeNotFound.new)
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
create_post_with_upload
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