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require 'spec_helper'
feature 'Expand and collapse diffs', js: true, feature: true do
include WaitForAjax
before do
login_as :admin
project = create(:project)
branch = 'expand-collapse-diffs'
# Ensure that undiffable.md is in .gitattributes
project.repository.copy_gitattributes(branch)
visit namespace_project_commit_path(project.namespace, project, project.commit(branch))
execute_script('window.ajaxUris = []; $(document).ajaxSend(function(event, xhr, settings) { ajaxUris.push(settings.url) });')
end
def file_container(filename)
find("[data-blob-diff-path*='#{filename}']")
end
# Use define_method instead of let (which is memoized) so that this just works across a
# reload.
#
files = [
'small_diff.md', 'large_diff.md', 'large_diff_renamed.md', 'undiffable.md',
'too_large.md', 'too_large_image.jpg'
]
files.each do |file|
define_method(file.split('.').first) { file_container(file) }
end
context 'visiting a commit with collapsed diffs' do
it 'shows small diffs immediately' do
expect(small_diff).to have_selector('.code')
expect(small_diff).not_to have_selector('.nothing-here-block')
end
it 'collapses large diffs by default' do
expect(large_diff).not_to have_selector('.code')
expect(large_diff).to have_selector('.nothing-here-block')
end
it 'collapses large diffs for renamed files by default' do
expect(large_diff_renamed).not_to have_selector('.code')
expect(large_diff_renamed).to have_selector('.nothing-here-block')
expect(large_diff_renamed).to have_selector('.file-title .deletion')
expect(large_diff_renamed).to have_selector('.file-title .addition')
end
it 'shows non-renderable diffs as such immediately, regardless of their size' do
expect(undiffable).not_to have_selector('.code')
expect(undiffable).to have_selector('.nothing-here-block')
expect(undiffable).to have_content('gitattributes')
end
it 'does not allow diffs that are larger than the maximum size to be expanded' do
expect(too_large).not_to have_selector('.code')
expect(too_large).to have_selector('.nothing-here-block')
expect(too_large).to have_content('too large')
end
it 'shows image diffs immediately, regardless of their size' do
expect(too_large_image).not_to have_selector('.nothing-here-block')
expect(too_large_image).to have_selector('.image')
end
context 'expanding a diff for a renamed file' do
before do
large_diff_renamed.find('.nothing-here-block').click
wait_for_ajax
end
it 'shows the old content' do
old_line = large_diff_renamed.find('.line_content.old')
expect(old_line).to have_content('two copies')
end
it 'shows the new content' do
new_line = large_diff_renamed.find('.line_content.new', match: :prefer_exact)
expect(new_line).to have_content('three copies')
end
end
context 'expanding a large diff' do
before do
click_link('large_diff.md')
wait_for_ajax
end
it 'makes a request to get the content' do
ajax_uris = evaluate_script('ajaxUris')
expect(ajax_uris).not_to be_empty
expect(ajax_uris.first).to include('large_diff.md')
end
it 'shows the diff content' do
expect(large_diff).to have_selector('.code')
expect(large_diff).not_to have_selector('.nothing-here-block')
end
context 'adding a comment to the expanded diff' do
let(:comment_text) { 'A comment' }
before do
large_diff.find('.line_holder', match: :prefer_exact).hover
large_diff.find('.add-diff-note').click
large_diff.find('.note-textarea').send_keys comment_text
large_diff.find_button('Comment').click
wait_for_ajax
end
it 'adds the comment' do
expect(large_diff.find('.notes')).to have_content comment_text
end
context 'reloading the page' do
before { refresh }
it 'collapses the large diff by default' do
expect(large_diff).not_to have_selector('.code')
expect(large_diff).to have_selector('.nothing-here-block')
end
context 'expanding the diff' do
before do
click_link('large_diff.md')
wait_for_ajax
end
it 'shows the diff content' do
expect(large_diff).to have_selector('.code')
expect(large_diff).not_to have_selector('.nothing-here-block')
end
it 'shows the diff comment' do
expect(large_diff.find('.notes')).to have_content comment_text
end
end
end
end
end
context 'collapsing an expanded diff' do
before { click_link('small_diff.md') }
it 'hides the diff content' do
expect(small_diff).not_to have_selector('.code')
expect(small_diff).to have_selector('.nothing-here-block')
end
context 're-expanding the same diff' do
before { click_link('small_diff.md') }
it 'shows the diff content' do
expect(small_diff).to have_selector('.code')
expect(small_diff).not_to have_selector('.nothing-here-block')
end
it 'does not make a new HTTP request' do
expect(evaluate_script('ajaxUris')).to be_empty
end
end
end
end
context 'expanding all diffs' do
before do
click_link('Expand all')
wait_for_ajax
execute_script('window.ajaxUris = []; $(document).ajaxSend(function(event, xhr, settings) { ajaxUris.push(settings.url) });')
end
it 'reloads the page with all diffs expanded' do
expect(small_diff).to have_selector('.code')
expect(small_diff).not_to have_selector('.nothing-here-block')
expect(large_diff).to have_selector('.code')
expect(large_diff).not_to have_selector('.nothing-here-block')
end
context 'collapsing an expanded diff' do
before { click_link('small_diff.md') }
it 'hides the diff content' do
expect(small_diff).not_to have_selector('.code')
expect(small_diff).to have_selector('.nothing-here-block')
end
context 're-expanding the same diff' do
before { click_link('small_diff.md') }
it 'shows the diff content' do
expect(small_diff).to have_selector('.code')
expect(small_diff).not_to have_selector('.nothing-here-block')
end
it 'does not make a new HTTP request' do
expect(evaluate_script('ajaxUris')).to be_empty
end
end
end
end
end
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