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