245 lines
9.0 KiB
Ruby
245 lines
9.0 KiB
Ruby
# typed: false
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# frozen_string_literal: true
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require "completions"
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describe Homebrew::Completions do
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let(:completions_dir) { HOMEBREW_REPOSITORY/"completions" }
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let(:internal_path) { HOMEBREW_REPOSITORY/"Library/Taps/homebrew/homebrew-bar" }
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let(:external_path) { HOMEBREW_REPOSITORY/"Library/Taps/foo/homebrew-bar" }
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before do
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HOMEBREW_REPOSITORY.cd do
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system "git", "init"
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end
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described_class::SHELLS.each do |shell|
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(completions_dir/shell).mkpath
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end
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internal_path.mkpath
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external_path.mkpath
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end
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after do
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FileUtils.rm_rf completions_dir
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FileUtils.rm_rf internal_path
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FileUtils.rm_rf external_path.dirname
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end
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context "when linking or unlinking completions" do
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def setup_completions(external:)
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(internal_path/"completions/bash/foo_internal").write "#foo completions"
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if external
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(external_path/"completions/bash/foo_external").write "#foo completions"
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elsif (external_path/"completions/bash/foo_external").exist?
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(external_path/"completions/bash/foo_external").delete
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end
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end
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def setup_completions_setting(state, setting: "linkcompletions")
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HOMEBREW_REPOSITORY.cd do
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system "git", "config", "--replace-all", "homebrew.#{setting}", state.to_s
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end
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end
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def read_completions_setting(setting: "linkcompletions")
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HOMEBREW_REPOSITORY.cd do
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Utils.popen_read("git", "config", "--get", "homebrew.#{setting}").chomp.presence
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end
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end
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def delete_completions_setting(setting: "linkcompletions")
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HOMEBREW_REPOSITORY.cd do
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system "git", "config", "--unset-all", "homebrew.#{setting}"
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end
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end
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describe ".link!" do
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it "sets homebrew.linkcompletions to true" do
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setup_completions_setting false
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expect { described_class.link! }.not_to raise_error
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expect(read_completions_setting).to eq "true"
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end
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it "sets homebrew.linkcompletions to true if unset" do
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delete_completions_setting
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expect { described_class.link! }.not_to raise_error
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expect(read_completions_setting).to eq "true"
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end
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it "keeps homebrew.linkcompletions set to true" do
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setup_completions_setting true
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expect { described_class.link! }.not_to raise_error
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expect(read_completions_setting).to eq "true"
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end
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end
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describe ".unlink!" do
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it "sets homebrew.linkcompletions to false" do
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setup_completions_setting true
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expect { described_class.unlink! }.not_to raise_error
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expect(read_completions_setting).to eq "false"
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end
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it "sets homebrew.linkcompletions to false if unset" do
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delete_completions_setting
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expect { described_class.unlink! }.not_to raise_error
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expect(read_completions_setting).to eq "false"
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end
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it "keeps homebrew.linkcompletions set to false" do
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setup_completions_setting false
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expect { described_class.unlink! }.not_to raise_error
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expect(read_completions_setting).to eq "false"
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end
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end
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describe ".link_completions?" do
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it "returns true if homebrew.linkcompletions is true" do
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setup_completions_setting true
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expect(described_class.link_completions?).to be true
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end
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it "returns false if homebrew.linkcompletions is false" do
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setup_completions_setting false
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expect(described_class.link_completions?).to be false
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end
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it "returns false if homebrew.linkcompletions is not set" do
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expect(described_class.link_completions?).to be false
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end
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end
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describe ".completions_to_link?" do
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it "returns false if only internal taps have completions" do
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setup_completions external: false
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expect(described_class.completions_to_link?).to be false
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end
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it "returns true if external taps have completions" do
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setup_completions external: true
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expect(described_class.completions_to_link?).to be true
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end
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end
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describe ".show_completions_message_if_needed" do
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it "doesn't show the message if there are no completions to link" do
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setup_completions external: false
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delete_completions_setting setting: :completionsmessageshown
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expect { described_class.show_completions_message_if_needed }.not_to output.to_stdout
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end
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it "doesn't show the message if there are completions to link but the message has already been shown" do
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setup_completions external: true
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setup_completions_setting true, setting: :completionsmessageshown
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expect { described_class.show_completions_message_if_needed }.not_to output.to_stdout
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end
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it "shows the message if there are completions to link and the message hasn't already been shown" do
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setup_completions external: true
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delete_completions_setting setting: :completionsmessageshown
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message = /Homebrew completions for external commands are unlinked by default!/
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expect { described_class.show_completions_message_if_needed }
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.to output(message).to_stdout
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end
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end
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end
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context "when generating completions" do
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describe ".update_shell_completions!" do
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it "generates shell completions" do
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described_class.update_shell_completions!
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expect(completions_dir/"bash/brew").to be_a_file
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end
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end
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describe ".command_options" do
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it "returns an array of options for a ruby command" do
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expected_options = %w[--debug --help --hide --quiet --verbose]
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expect(described_class.command_options("missing")).to eq expected_options
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end
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it "returns an array of options for a shell command" do
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expected_options = %w[--debug --force --help --merge --preinstall --verbose]
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expect(described_class.command_options("update")).to eq expected_options
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end
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it "handles --[no]- options correctly" do
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options = described_class.command_options("audit")
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expect(options.include?("--appcast")).to eq true
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expect(options.include?("--no-appcast")).to eq true
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end
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it "return an empty array if command is not found" do
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expect(described_class.command_options("foobar")).to eq []
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end
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it "return an empty array for a command with no options" do
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expect(described_class.command_options("help")).to eq []
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end
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it "will list global options only once if overriden" do
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count = 0
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described_class.command_options("upgrade").each do |opt|
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count += 1 if opt == "--verbose"
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end
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expect(count).to eq 1
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end
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end
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describe ".command_gets_completions?" do
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it "returns true for a non-cask command with options" do
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expect(described_class.command_gets_completions?("install")).to eq true
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end
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it "returns false for a non-cask command with no options" do
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expect(described_class.command_gets_completions?("help")).to eq false
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end
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it "returns false for a cask command" do
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expect(described_class.command_gets_completions?("cask install")).to eq false
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end
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end
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describe ".generate_bash_subcommand_completion" do
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it "returns nil if completions aren't needed" do
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expect(described_class.generate_bash_subcommand_completion("help")).to be_nil
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end
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it "returns appropriate completion for a ruby command" do
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completion = described_class.generate_bash_subcommand_completion("missing")
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expect(completion).to match(/^_brew_missing\(\) {/)
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expect(completion).to match(/__brewcomp "\n +--debug\n +--help\n +--hide\n +--quiet\n +--verbose/s)
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expect(completion).to match(/__brew_complete_formulae\n}$/)
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end
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it "returns appropriate completion for a shell command" do
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completion = described_class.generate_bash_subcommand_completion("update")
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options_regex = /__brewcomp "\n +--debug\n +--force\n +--help\n +--merge\n +--preinstall\n +--verbose/
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expect(completion).to match(/^_brew_update\(\) {/)
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expect(completion).to match(options_regex)
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end
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it "returns appropriate completion for a command with multiple named arg types" do
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completion = described_class.generate_bash_subcommand_completion("upgrade")
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expect(completion).to match(/__brew_complete_outdated_formulae\n __brew_complete_outdated_casks\n}$/)
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end
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end
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describe ".generate_bash_completion_file" do
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it "returns the correct completion file" do
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file = described_class.generate_bash_completion_file(%w[install missing update])
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expect(file).to match(/^__brewcomp\(\) {$/)
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expect(file).to match(/^_brew_install\(\) {$/)
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expect(file).to match(/^_brew_missing\(\) {$/)
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expect(file).to match(/^_brew_update\(\) {$/)
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expect(file).to match(/^_brew\(\) {$/)
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expect(file).to match(/^ {4}install\) _brew_install ;;/)
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expect(file).to match(/^ {4}missing\) _brew_missing ;;/)
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expect(file).to match(/^ {4}update\) _brew_update ;;/)
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expect(file).to match(/^complete -o bashdefault -o default -F _brew brew$/)
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end
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end
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end
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end
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