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# frozen_string_literal: true
require "spec_helper"
describe Diff::LCS::Change do
describe "an add" do
subject { described_class.new("+", 0, "element") }
it { should_not be_deleting }
it { should be_adding }
it { should_not be_unchanged }
it { should_not be_changed }
it { should_not be_finished_a }
it { should_not be_finished_b }
end
describe "a delete" do
subject { described_class.new("-", 0, "element") }
it { should be_deleting }
it { should_not be_adding }
it { should_not be_unchanged }
it { should_not be_changed }
it { should_not be_finished_a }
it { should_not be_finished_b }
end
describe "an unchanged" do
subject { described_class.new("=", 0, "element") }
it { should_not be_deleting }
it { should_not be_adding }
it { should be_unchanged }
it { should_not be_changed }
it { should_not be_finished_a }
it { should_not be_finished_b }
end
describe "a changed" do
subject { described_class.new("!", 0, "element") }
it { should_not be_deleting }
it { should_not be_adding }
it { should_not be_unchanged }
it { should be_changed }
it { should_not be_finished_a }
it { should_not be_finished_b }
end
describe "a finished_a" do
subject { described_class.new(">", 0, "element") }
it { should_not be_deleting }
it { should_not be_adding }
it { should_not be_unchanged }
it { should_not be_changed }
it { should be_finished_a }
it { should_not be_finished_b }
end
describe "a finished_b" do
subject { described_class.new("<", 0, "element") }
it { should_not be_deleting }
it { should_not be_adding }
it { should_not be_unchanged }
it { should_not be_changed }
it { should_not be_finished_a }
it { should be_finished_b }
end
describe "as array" do
it "should be converted" do
action, position, element = described_class.new("!", 0, "element")
expect(action).to eq "!"
expect(position).to eq 0
expect(element).to eq "element"
end
end
end
describe Diff::LCS::ContextChange do
describe "as array" do
it "should be converted" do
action, (old_position, old_element), (new_position, new_element) =
described_class.new("!", 1, "old_element", 2, "new_element")
expect(action).to eq "!"
expect(old_position).to eq 1
expect(old_element).to eq "old_element"
expect(new_position).to eq 2
expect(new_element).to eq "new_element"
end
end
end
|
