brew/Library/Homebrew/test/completions_spec.rb
2021-01-13 11:20:28 -05:00

141 lines
4.6 KiB
Ruby

# typed: false
# frozen_string_literal: true
require "completions"
describe Homebrew::Completions do
let(:internal_path) { HOMEBREW_REPOSITORY/"Library/Taps/homebrew/homebrew-bar" }
let(:external_path) { HOMEBREW_REPOSITORY/"Library/Taps/foo/homebrew-bar" }
before do
HOMEBREW_REPOSITORY.cd do
system "git", "init"
end
internal_path.mkpath
external_path.mkpath
end
def setup_completions(external:)
(internal_path/"completions/bash/foo_internal").write "#foo completions"
if external
(external_path/"completions/bash/foo_external").write "#foo completions"
elsif (external_path/"completions/bash/foo_external").exist?
(external_path/"completions/bash/foo_external").delete
end
end
def setup_completions_setting(state, setting: "linkcompletions")
HOMEBREW_REPOSITORY.cd do
system "git", "config", "--replace-all", "homebrew.#{setting}", state.to_s
end
end
def read_completions_setting(setting: "linkcompletions")
HOMEBREW_REPOSITORY.cd do
Utils.popen_read("git", "config", "--get", "homebrew.#{setting}").chomp.presence
end
end
def delete_completions_setting(setting: "linkcompletions")
HOMEBREW_REPOSITORY.cd do
system "git", "config", "--unset-all", "homebrew.#{setting}"
end
end
after do
FileUtils.rm_rf internal_path
FileUtils.rm_rf external_path.dirname
end
describe ".link!" do
it "sets homebrew.linkcompletions to true" do
setup_completions_setting false
expect { described_class.link! }.not_to raise_error
expect(read_completions_setting).to eq "true"
end
it "sets homebrew.linkcompletions to true if unset" do
delete_completions_setting
expect { described_class.link! }.not_to raise_error
expect(read_completions_setting).to eq "true"
end
it "keeps homebrew.linkcompletions set to true" do
setup_completions_setting true
expect { described_class.link! }.not_to raise_error
expect(read_completions_setting).to eq "true"
end
end
describe ".unlink!" do
it "sets homebrew.linkcompletions to false" do
setup_completions_setting true
expect { described_class.unlink! }.not_to raise_error
expect(read_completions_setting).to eq "false"
end
it "sets homebrew.linkcompletions to false if unset" do
delete_completions_setting
expect { described_class.unlink! }.not_to raise_error
expect(read_completions_setting).to eq "false"
end
it "keeps homebrew.linkcompletions set to false" do
setup_completions_setting false
expect { described_class.unlink! }.not_to raise_error
expect(read_completions_setting).to eq "false"
end
end
describe ".link_completions?" do
it "returns true if homebrew.linkcompletions is true" do
setup_completions_setting true
expect(described_class.link_completions?).to be true
end
it "returns false if homebrew.linkcompletions is false" do
setup_completions_setting false
expect(described_class.link_completions?).to be false
end
it "returns false if homebrew.linkcompletions is not set" do
expect(described_class.link_completions?).to be false
end
end
describe ".completions_to_link?" do
it "returns false if only internal taps have completions" do
setup_completions external: false
expect(described_class.completions_to_link?).to be false
end
it "returns true if external taps have completions" do
setup_completions external: true
expect(described_class.completions_to_link?).to be true
end
end
describe ".show_completions_message_if_needed" do
it "doesn't show the message if there are no completions to link" do
setup_completions external: false
delete_completions_setting setting: :completionsmessageshown
expect { described_class.show_completions_message_if_needed }.not_to output.to_stdout
end
it "doesn't show the message if there are completions to link but the message has already been shown" do
setup_completions external: true
setup_completions_setting true, setting: :completionsmessageshown
expect { described_class.show_completions_message_if_needed }.not_to output.to_stdout
end
it "shows the message if there are completions to link and the message hasn't already been shown" do
setup_completions external: true
delete_completions_setting setting: :completionsmessageshown
message = /Homebrew completions for external commands are unlinked by default!/
expect { described_class.show_completions_message_if_needed }
.to output(message).to_stdout
end
end
end