brew/Library/Homebrew/test/cmd/--prefix_spec.rb

# typed: false
# frozen_string_literal: true

require "cmd/shared_examples/args_parse"

describe "brew --prefix" do
  it_behaves_like "parseable arguments"

  it "prints Homebrew's prefix", :integration_test do
    expect { brew_sh "--prefix" }
      .to output("#{ENV.fetch("HOMEBREW_PREFIX")}\n").to_stdout
      .and not_to_output.to_stderr
      .and be_a_success
  end

  it "prints the prefix for a Formula", :integration_test do
    expect { brew_sh "--prefix", "wget" }
      .to output("#{ENV.fetch("HOMEBREW_PREFIX")}/opt/wget\n").to_stdout
      .and not_to_output.to_stderr
      .and be_a_success
  end

  it "errors if the given Formula doesn't exist", :integration_test do
    expect { brew "--prefix", "nonexistent" }
      .to output(/No available formula/).to_stderr
      .and not_to_output.to_stdout
      .and be_a_failure
  end

  it "prints a warning when `--installed` is used and the given Formula is not installed", :integration_test do
    expect { brew "--prefix", "--installed", testball }
      .to not_to_output.to_stdout
      .and output(/testball/).to_stderr
      .and be_a_failure
  end
end