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Path: /opt/chef/embedded/lib/ruby/gems/2.7.0/gems/chef-16.3.45/spec/unit/knife/

Viewing File: cookbook_delete_spec.rb

#
# Author:: Thomas Bishop (<bishop.thomas@gmail.com>)
# Copyright:: Copyright 2011-2016, Thomas Bishop
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

require "spec_helper"

describe Chef::Knife::CookbookDelete do
  before(:each) do
    @knife = Chef::Knife::CookbookDelete.new
    @knife.name_args = ["foobar"]
    @knife.cookbook_name = "foobar"
    @stdout = StringIO.new
    allow(@knife.ui).to receive(:stdout).and_return(@stdout)
    @stderr = StringIO.new
    allow(@knife.ui).to receive(:stderr).and_return(@stderr)
  end

  describe "run" do
    it "should print usage and exit when a cookbook name is not provided" do
      @knife.name_args = []
      expect(@knife).to receive(:show_usage)
      expect(@knife.ui).to receive(:fatal)
      expect { @knife.run }.to raise_error(SystemExit)
    end

    describe "when specifying a cookbook name" do
      it "should delete the cookbook without a specific version" do
        expect(@knife).to receive(:delete_without_explicit_version)
        @knife.run
      end

      describe "and a version" do
        it "should delete the specific version of the cookbook" do
          @knife.name_args << "1.0.0"
          expect(@knife).to receive(:delete_explicit_version)
          @knife.run
        end
      end

      describe "with -a or --all" do
        it "should delete all versions of the cookbook" do
          @knife.config[:all] = true
          expect(@knife).to receive(:delete_all_versions)
          @knife.run
        end
      end

      describe "with -p or --purge" do
        it "should prompt to purge the files" do
          @knife.config[:purge] = true
          expect(@knife).to receive(:confirm)
            .with(/.+Are you sure you want to purge files.+/)
          expect(@knife).to receive(:delete_without_explicit_version)
          @knife.run
        end
      end
    end
  end

  describe "delete_explicit_version" do
    it "should delete the specific cookbook version" do
      @knife.cookbook_name = "foobar"
      @knife.version = "1.0.0"
      expect(@knife).to receive(:delete_object).with(Chef::CookbookVersion,
        "foobar version 1.0.0",
        "cookbook").and_yield
      expect(@knife).to receive(:delete_request).with("cookbooks/foobar/1.0.0")
      @knife.delete_explicit_version
    end
  end

  describe "delete_all_versions" do
    it "should prompt to delete all versions of the cookbook" do
      @knife.cookbook_name = "foobar"
      expect(@knife).to receive(:confirm).with("Do you really want to delete all versions of foobar")
      expect(@knife).to receive(:delete_all_without_confirmation)
      @knife.delete_all_versions
    end
  end

  describe "delete_all_without_confirmation" do
    it "should delete all versions without confirmation" do
      versions = ["1.0.0", "1.1.0"]
      expect(@knife).to receive(:available_versions).and_return(versions)
      versions.each do |v|
        expect(@knife).to receive(:delete_version_without_confirmation).with(v)
      end
      @knife.delete_all_without_confirmation
    end
  end

  describe "delete_without_explicit_version" do
    it "should exit if there are no available versions" do
      expect(@knife).to receive(:available_versions).and_return(nil)
      expect { @knife.delete_without_explicit_version }.to raise_error(SystemExit)
    end

    it "should delete the version if only one is found" do
      expect(@knife).to receive(:available_versions).at_least(:once).and_return(["1.0.0"])
      expect(@knife).to receive(:delete_explicit_version)
      @knife.delete_without_explicit_version
    end

    it "should ask which version(s) to delete if multiple are found" do
      expect(@knife).to receive(:available_versions).at_least(:once).and_return(["1.0.0", "1.1.0"])
      expect(@knife).to receive(:ask_which_versions_to_delete).and_return(["1.0.0", "1.1.0"])
      expect(@knife).to receive(:delete_versions_without_confirmation).with(["1.0.0", "1.1.0"])
      @knife.delete_without_explicit_version
    end
  end

  describe "available_versions" do
    before(:each) do
      @rest_mock = double("rest")
      expect(@knife).to receive(:rest).and_return(@rest_mock)
      @cookbook_data = { "foobar" => { "versions" => [{ "version" => "1.0.0" },
                                                      { "version" => "1.1.0" },
                                                      { "version" => "2.0.0" } ] },
      }
    end

    it "should return the list of versions of the cookbook" do
      expect(@rest_mock).to receive(:get).with("cookbooks/foobar").and_return(@cookbook_data)
      expect(@knife.available_versions).to eq(["1.0.0", "1.1.0", "2.0.0"])
    end

    it "should raise if an error other than HTTP 404 is returned" do
      exception = Net::HTTPClientException.new("500 Internal Server Error", "500")
      expect(@rest_mock).to receive(:get).and_raise(exception)
      expect { @knife.available_versions }.to raise_error Net::HTTPClientException
    end

    describe "if the cookbook can't be found" do
      before(:each) do
        expect(@rest_mock).to receive(:get)
          .and_raise(Net::HTTPClientException.new("404 Not Found", "404"))
      end

      it "should print an error" do
        @knife.available_versions
        expect(@stderr.string).to match /error.+cannot find a cookbook named foobar/i
      end

      it "should return nil" do
        expect(@knife.available_versions).to eq(nil)
      end
    end
  end

  describe "ask_which_version_to_delete" do
    before(:each) do
      allow(@knife).to receive(:available_versions).and_return(["1.0.0", "1.1.0", "2.0.0"])
    end

    it "should prompt the user to select a version" do
      prompt = /Which version\(s\) do you want to delete\?.+1\. foobar 1\.0\.0.+2\. foobar 1\.1\.0.+3\. foobar 2\.0\.0.+4\. All versions.+/m
      expect(@knife).to receive(:ask_question).with(prompt).and_return("1")
      @knife.ask_which_versions_to_delete
    end

    it "should print an error and exit if a version wasn't specified" do
      expect(@knife).to receive(:ask_question).and_return("")
      expect(@knife.ui).to receive(:error).with(/no versions specified/i)
      expect { @knife.ask_which_versions_to_delete }.to raise_error(SystemExit)
    end

    it "should print an error if an invalid choice was selected" do
      expect(@knife).to receive(:ask_question).and_return("100")
      expect(@knife.ui).to receive(:error).with(/100 is not a valid choice/i)
      @knife.ask_which_versions_to_delete
    end

    it "should return the selected versions" do
      expect(@knife).to receive(:ask_question).and_return("1, 3")
      expect(@knife.ask_which_versions_to_delete).to eq(["1.0.0", "2.0.0"])
    end

    it "should return all of the versions if 'all' was selected" do
      expect(@knife).to receive(:ask_question).and_return("4")
      expect(@knife.ask_which_versions_to_delete).to eq([:all])
    end
  end

  describe "delete_version_without_confirmation" do
    it "should delete the cookbook version" do
      expect(@knife).to receive(:delete_request).with("cookbooks/foobar/1.0.0")
      @knife.delete_version_without_confirmation("1.0.0")
    end

    it "should output that the cookbook was deleted" do
      allow(@knife).to receive(:delete_request)
      @knife.delete_version_without_confirmation("1.0.0")
      expect(@stderr.string).to match /deleted cookbook\[foobar\]\[1.0.0\]/im
    end

    describe "with --print-after" do
      it "should display the cookbook data" do
        object = ""
        @knife.config[:print_after] = true
        allow(@knife).to receive(:delete_request).and_return(object)
        expect(@knife).to receive(:format_for_display).with(object)
        @knife.delete_version_without_confirmation("1.0.0")
      end
    end
  end

  describe "delete_versions_without_confirmation" do
    it "should delete each version without confirmation" do
      versions = ["1.0.0", "1.1.0"]
      versions.each do |v|
        expect(@knife).to receive(:delete_version_without_confirmation).with(v)
      end
      @knife.delete_versions_without_confirmation(versions)
    end

    describe "with -a or --all" do
      it "should delete all versions without confirmation" do
        versions = [:all]
        expect(@knife).to receive(:delete_all_without_confirmation)
        @knife.delete_versions_without_confirmation(versions)
      end
    end
  end

end