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# frozen_string_literal: true
require "spec_helper"
RSpec.describe RapidDiffs::Viewers::Text::ParallelHunkComponent, type: :component, feature_category: :code_review_workflow do
let_it_be(:diff_file) { build(:diff_file) }
let(:lines) { diff_file.diff_lines_with_match_tail }
let(:old_line) { lines.find { |line| line.type == 'old' } }
let(:new_line) { lines.find { |line| line.type == 'new' } }
let(:hunk) do
Gitlab::Diff::ViewerHunk.new(
header: lines.first,
lines: lines.drop(1)
)
end
it "renders header" do
render_component
expect(page).to have_text(hunk.header_text, count: 2)
end
it "renders lines" do
render_component
page_text = page.native.inner_html
hunk.lines.each do |line|
expect(page_text).to include(line.text_content)
end
end
it "renders line id" do
old_line_id = old_line.id(diff_file.file_hash, :old)
new_line_id = new_line.id(diff_file.file_hash, :new)
render_component
expect(page).to have_selector("##{old_line_id}")
expect(page).to have_selector("##{new_line_id}")
end
it "renders line link" do
old_line_id = old_line.id(diff_file.file_hash, :old)
new_line_id = new_line.id(diff_file.file_hash, :new)
render_component
expect(page).to have_selector("a[href='##{old_line_id}']")
expect(page).to have_selector("a[href='##{new_line_id}']")
end
it "renders legacy line id" do
line_id = diff_file.line_code(old_line)
render_component
expect(page).to have_selector("[data-legacy-id='#{line_id}']")
end
it "renders expand up" do
diff_hunk = Gitlab::Diff::ViewerHunk.new(
header: Gitlab::Diff::Line.new("", 'match', 1, 0, 0),
lines: lines.drop(1)
)
render_component(diff_hunk)
expect(page).to have_selector('button svg use[href$="#expand-up"]')
end
it "renders expand down" do
diff_hunk = Gitlab::Diff::ViewerHunk.new(
header: Gitlab::Diff::Line.new("", 'match', 100, 0, 0),
lines: []
)
render_component(diff_hunk)
expect(page).to have_selector('button svg use[href$="#expand-down"]')
end
it "renders both expand up and down" do
diff_hunk = Gitlab::Diff::ViewerHunk.new(
header: Gitlab::Diff::Line.new("", 'match', 1, 0, 0),
lines: lines.drop(1),
prev: Gitlab::Diff::ViewerHunk.new(lines: [])
)
render_component(diff_hunk)
expect(page).to have_selector('button svg use[href$="#expand-up"]')
expect(page).to have_selector('button svg use[href$="#expand-down"]')
end
it "renders expand both" do
last_prev_line = lines.first
diff_hunk = Gitlab::Diff::ViewerHunk.new(
header: lines.first,
lines: lines.drop(1),
prev: Gitlab::Diff::ViewerHunk.new(lines: [last_prev_line])
)
allow(diff_hunk.lines.first).to receive(:old_pos).and_return(5)
allow(last_prev_line).to receive(:old_pos).and_return(2)
render_component(diff_hunk)
expect(page).to have_selector('button svg use[href$="#expand"]')
end
def render_component(diff_hunk = hunk)
render_inline(described_class.new(diff_file: diff_file, diff_hunk: diff_hunk))
end
end
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