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require "spec_helper"
describe Lfs::FileTransformer do
let(:project) { create(:project, :repository) }
let(:repository) { project.repository }
let(:file_content) { 'Test file content' }
let(:branch_name) { 'lfs' }
let(:file_path) { 'test_file.lfs' }
subject { described_class.new(project, branch_name) }
describe '#new_file' do
context 'with lfs disabled' do
it 'skips gitattributes check' do
expect(repository.raw).not_to receive(:blob_at)
subject.new_file(file_path, file_content)
end
end
context 'with lfs enabled' do
before do
allow(project).to receive(:lfs_enabled?).and_return(true)
end
it 'reuses cached gitattributes' do
second_file = 'another_file.lfs'
expect(repository.raw).to receive(:blob_at).with(branch_name, '.gitattributes').once
subject.new_file(file_path, file_content)
subject.new_file(second_file, file_content)
end
it "creates an LfsObject with the file's content" do
subject.new_file(file_path, file_content)
expect(LfsObject.last.file.read).to eq file_content
end
it 'creates an LFS pointer' do
new_content = subject.new_file(file_path, file_content)
expect(new_content).to start_with('version https://git-lfs.github.com/spec/v1')
end
context "when doesn't use LFS" do
let(:file_path) { 'other.filetype' }
it "doesn't create LFS pointers" do
new_content = subject.new_file(file_path, file_content)
expect(new_content).not_to start_with('version https://git-lfs.github.com/spec/v1')
expect(new_content).to eq(file_content)
end
end
it 'sets up after_transform! to link LfsObjects to project' do
subject.new_file(file_path, file_content)
expect { subject.after_transform! }.to change { project.lfs_objects.count }.by(1)
end
end
end
describe '.link_lfs_objects' do
context 'with lfs enabled' do
before do
allow(project).to receive(:lfs_enabled?).and_return(true)
end
context 'when given a block' do
it 'links LfsObject to the project automatically' do
expect do
described_class.link_lfs_objects(project, branch_name) do |t|
t.new_file(file_path, file_content)
end
end.to change { project.lfs_objects.count }.by(1)
end
it 'skips linking LfsObjects if the block returns falsey' do
expect do
described_class.link_lfs_objects(project, branch_name) do |t|
t.new_file(file_path, file_content)
false
end
end.not_to change { project.lfs_objects.count }
end
it 'returns the result of the block' do
result = described_class.link_lfs_objects(project, branch_name) do |t|
:dummy_commit
end
expect(result).to eq :dummy_commit
end
end
end
end
end
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