128 lines
3.4 KiB
Ruby
128 lines
3.4 KiB
Ruby
# frozen_string_literal: true
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require_relative 'test_helper'
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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) { FROM_PATH }
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let(:to_path) { TO_PATH }
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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 { described_class.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 { is_expected.not_to include('<td>') }
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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) { test_case_input_path('only_md') }
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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 from is nil' do
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let(:from) { nil }
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let(:to_path) { test_case_input_path('only_md') }
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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 'shows 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 'drops metadata from the diff' do
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expect(subject.to_s(:text)).not_to 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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let(:notebook) { FROM_IPYNB }
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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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described_class.transform(notebook,
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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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describe 'error cases' do
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using RSpec::Parameterized::TableSyntax
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where(:ctx, :notebook) do
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'notebook is nil' | nil
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'notebook is invalid' | 'a'
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'notebook does not have cell' | '{"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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describe 'options' do
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context 'when include_frontmatter is false' do
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it { is_expected.not_to include('display_name: Python 3 (ipykernel)') }
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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 { is_expected.to include('display_name: Python 3 (ipykernel)') }
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end
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context 'when 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 'when 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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