spec/unit/knife/tag_delete_spec.rb


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require 'spec_helper'

describe Chef::Knife::TagDelete do
  before(:each) do
    Chef::Config[:node_name] = "webmonkey.example.com"
    @knife = Chef::Knife::TagDelete.new
    @knife.name_args = [ Chef::Config[:node_name], "sadtag" ]

    @node = Chef::Node.new
    allow(@node).to receive :save
    @node.tags << "sadtag" << "happytag"
    allow(Chef::Node).to receive(:load).and_return @node
    @stderr = StringIO.new
    allow(@knife.ui).to receive(:stderr).and_return(@stderr)
  end

  describe "run" do
    it "can delete tags on a node" do
      expect(@node.tags).to eq(["sadtag", "happytag"])
      @knife.run
      expect(@node.tags).to eq(["happytag"])
      expect(@stderr.string).to match /deleted.+sadtag/i
    end
  end
end