debian-mirror-gitlab/vendor/gems/ipynbdiff/spec/ipynbdiff_spec.rb
2022-08-13 15:12:31 +05:30

126 lines
3.6 KiB
Ruby

# frozen_string_literal: true
require 'ipynbdiff'
require 'rspec'
require 'rspec-parameterized'
BASE_PATH = File.join(File.expand_path(File.dirname(__FILE__)), 'testdata')
describe IpynbDiff do
def diff_signs(diff)
diff.to_s(:text).scan(/.*\n/).map { |l| l[0] }.join('')
end
describe 'diff' do
let(:from_path) { File.join(BASE_PATH, 'from.ipynb') }
let(:to_path) { File.join(BASE_PATH,'to.ipynb') }
let(:from) { File.read(from_path) }
let(:to) { File.read(to_path) }
let(:include_frontmatter) { false }
let(:hide_images) { false }
subject { IpynbDiff.diff(from, to, include_frontmatter: include_frontmatter, hide_images: hide_images) }
context 'if preprocessing is active' do
it 'html tables are stripped' do
is_expected.to_not include('<td>')
end
end
context 'when to is nil' do
let(:to) { nil }
let(:from_path) { File.join(BASE_PATH, 'only_md', 'input.ipynb') }
it 'all lines are removals' do
expect(diff_signs(subject)).to eq('-----')
end
end
context 'when to is nil' do
let(:from) { nil }
let(:to_path) { File.join(BASE_PATH, 'only_md', 'input.ipynb') }
it 'all lines are additions' do
expect(diff_signs(subject)).to eq('+++++')
end
end
context 'When include_frontmatter is true' do
let(:include_frontmatter) { true }
it 'should show changes metadata in the metadata' do
expect(subject.to_s(:text)).to include('+ display_name: New Python 3 (ipykernel)')
end
end
context 'When hide_images is true' do
let(:hide_images) { true }
it 'hides images' do
expect(subject.to_s(:text)).to include(' [Hidden Image Output]')
end
end
context 'When include_frontmatter is false' do
it 'should drop metadata from the diff' do
expect(subject.to_s(:text)).to_not include('+ display_name: New Python 3 (ipykernel)')
end
end
context 'when either notebook can not be processed' do
using RSpec::Parameterized::TableSyntax
where(:ctx, :from, :to) do
'because from is invalid' | 'a' | nil
'because from does not have the cell tag' | '{"metadata":[]}' | nil
'because to is invalid' | nil | 'a'
'because to does not have the cell tag' | nil | '{"metadata":[]}'
end
with_them do
it { is_expected.to be_nil }
end
end
end
describe 'transform' do
[nil, 'a', '{"metadata":[]}'].each do |invalid_nb|
context "when json is invalid (#{invalid_nb || 'nil'})" do
it 'is nil' do
expect(IpynbDiff.transform(invalid_nb)).to be_nil
end
end
end
context 'options' do
let(:include_frontmatter) { false }
let(:hide_images) { false }
subject do
IpynbDiff.transform(File.read(File.join(BASE_PATH, 'from.ipynb')),
include_frontmatter: include_frontmatter,
hide_images: hide_images)
end
context 'include_frontmatter is false' do
it { is_expected.to_not include('display_name: Python 3 (ipykernel)') }
end
context 'include_frontmatter is true' do
let(:include_frontmatter) { true }
it { is_expected.to include('display_name: Python 3 (ipykernel)') }
end
context 'hide_images is false' do
it { is_expected.not_to include('[Hidden Image Output]') }
end
context 'hide_images is true' do
let(:hide_images) { true }
it { is_expected.to include(' [Hidden Image Output]') }
end
end
end
end