Library/Homebrew/test/language/node_spec.rb


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require "language/node"

describe Language::Node do
  specify "#npm_cache_config" do
    shutup do
      ret_val = described_class.npm_cache_config
      expect(ret_val).to eq("cache=#{HOMEBREW_CACHE}/npm_cache\n")
    end
  end

  describe "#pack_for_installation" do
    it "raises error with non zero exitstatus" do
      shutup do
        expect { described_class.pack_for_installation }.to raise_error
      end
    end

    it "does not raise error with a zero exitstatus" do
      shutup do
        allow_any_instance_of(Process::Status).to receive(:exitstatus).and_return(0)
        expect { described_class.pack_for_installation }.not_to raise_error
      end
    end
  end

  describe "#setup_npm_environment" do
    it "npmrc exists" do
      shutup do
        expect(described_class.setup_npm_environment).to be_nil
      end
    end

    it "npmrc does not exist" do
      shutup do
        allow_any_instance_of(Pathname).to receive(:exist?).and_return(false)
        described_class.setup_npm_environment
      end
    end
  end

  specify "#std_npm_install_args" do
    shutup do
      npm_install_arg = "libexec"
      allow_any_instance_of(Process::Status).to receive(:exitstatus).and_return(0)
      resp = described_class.std_npm_install_args npm_install_arg
      expect(resp).to eq(["--verbose", "--global", "--prefix=#{npm_install_arg}", "#{Dir.pwd}/"])
    end
  end

  specify "#local_npm_install_args" do
    shutup do
      resp = described_class.local_npm_install_args
      expect(resp).to eq(["--verbose"])
    end
  end
end