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# frozen_string_literal: true
require "guard/internals/groups"
RSpec.describe Guard::Internals::Groups do
describe "#all" do
let(:common) { instance_double("Guard::Group", name: :common) }
let(:default) { instance_double("Guard::Group", name: :default) }
before do
allow(Guard::Group).to receive(:new).with(:common).and_return(common)
allow(Guard::Group).to receive(:new).with(:default).and_return(default)
end
context "with only default groups" do
it "initializes the groups" do
expect(subject.all.map(&:name)).to eq %i[common default]
end
end
context "with existing groups" do
let(:frontend) { instance_double("Guard::Group", name: :frontend) }
let(:backend) { instance_double("Guard::Group", name: :backend) }
before do
allow(Guard::Group).to receive(:new).with(:frontend, {})
.and_return(frontend)
allow(Guard::Group).to receive(:new).with(:backend, {})
.and_return(backend)
subject.add(:frontend)
subject.add(:backend)
end
context "with no arguments" do
let(:args) { [] }
it "returns all groups" do
expect(subject.all(*args)).to eq [common, default, frontend, backend]
end
end
context "with a string argument" do
it "returns an array of groups if plugins are found" do
expect(subject.all("backend")).to eq [backend]
end
end
context "with a symbol argument matching a group" do
it "returns an array of groups if plugins are found" do
expect(subject.all(:backend)).to eq [backend]
end
end
context "with a symbol argument not matching a group" do
it "returns an empty array when no group is found" do
expect(subject.all(:foo)).to be_empty
end
end
context "with a regexp argument matching a group" do
it "returns an array of groups" do
expect(subject.all(/^back/)).to eq [backend]
end
end
context "with a regexp argument not matching a group" do
it "returns an empty array when no group is found" do
expect(subject.all(/back$/)).to be_empty
end
end
end
end
# TOOD: test adding with options
describe "#add" do
let(:common) { instance_double("Guard::Group", name: :common) }
let(:default) { instance_double("Guard::Group", name: :default) }
before do
allow(Guard::Group).to receive(:new).with(:common).and_return(common)
allow(Guard::Group).to receive(:new).with(:default).and_return(default)
end
context "with existing groups" do
let(:frontend) { instance_double("Guard::Group", name: :frontend) }
let(:backend) { instance_double("Guard::Group", name: :backend) }
before do
allow(Guard::Group).to receive(:new).with("frontend", {})
.and_return(frontend)
subject.add("frontend")
end
it "add the given group" do
subject.add("frontend")
expect(subject.all).to match_array([common, default, frontend])
end
it "add the given group with options" do
subject.add("frontend", foo: :bar)
expect(subject.all).to match_array([common, default, frontend])
end
# TODO: what if group is added multiple times with different options?
context "with an existing group" do
before { subject.add("frontend") }
it "does not add duplicate groups when name is a string" do
subject.add("frontend")
expect(subject.all).to match_array([common, default, frontend])
end
it "does not add duplicate groups when name is a symbol" do
subject.add(:frontend)
expect(subject.all).to match_array([common, default, frontend])
end
end
end
end
end
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