require File.expand_path("../../base", __FILE__)

require "pathname"

describe Vagrant::BoxCollection do
  include_context "unit"

  let(:box_class)   { Vagrant::Box }
  let(:environment) { isolated_environment }
  let(:instance)    { described_class.new(environment.boxes_dir) }

  it "should tell us the directory it is using" do
    instance.directory.should == environment.boxes_dir
  end

  describe "adding" do
    it "should add a valid box to the system" do
      box_path = environment.box2_file(:virtualbox)

      # Add the box
      box = instance.add(box_path, "foo", :virtualbox)
      box.should be_kind_of(box_class)
      box.name.should == "foo"
      box.provider.should == :virtualbox

      # Verify we can find it as well
      box = instance.find("foo", :virtualbox)
      box.should_not be_nil
    end

    it "should add a box without specifying a provider" do
      box_path = environment.box2_file(:vmware)

      # Add the box
      box = instance.add(box_path, "foo")
      box.should be_kind_of(box_class)
      box.name.should == "foo"
      box.provider.should == :vmware
    end

    it "should add a V1 box" do
      # Create a V1 box.
      box_path = environment.box1_file

      # Add the box
      box = instance.add(box_path, "foo")
      box.should be_kind_of(box_class)
      box.name.should == "foo"
      box.provider.should == :virtualbox
    end

    it "should raise an exception if the box already exists" do
      prev_box_name = "foo"
      prev_box_provider = :virtualbox

      # Create the box we're adding
      environment.box2(prev_box_name, prev_box_provider)

      # Attempt to add the box with the same name
      box_path = environment.box2_file(prev_box_provider)
      expect { instance.add(box_path, prev_box_name, prev_box_provider) }.
        to raise_error(Vagrant::Errors::BoxAlreadyExists)
    end

    it "should raise an exception if the box already exists and no provider is given" do
      # Create some box file
      box_name = "foo"
      box_path = environment.box2_file(:vmware)

      # Add it once, successfully
      expect { instance.add(box_path, box_name) }.to_not raise_error

      # Add it again, and fail!
      expect { instance.add(box_path, box_name) }.
        to raise_error(Vagrant::Errors::BoxAlreadyExists)
    end

    it "should raise an exception if you're attempting to add a box that exists as a V1 box" do
      prev_box_name = "foo"

      # Create the V1 box
      environment.box1(prev_box_name)

      # Attempt to add some V2 box with the same name
      box_path = environment.box2_file(:vmware)
      expect { instance.add(box_path, prev_box_name) }.
        to raise_error(Vagrant::Errors::BoxUpgradeRequired)
    end

    it "should raise an exception and not add the box if the provider doesn't match" do
      box_name      = "foo"
      good_provider = :virtualbox
      bad_provider  = :vmware

      # Create a VirtualBox box file
      box_path = environment.box2_file(good_provider)

      # Add the box but with an invalid provider, verify we get the proper
      # error.
      expect { instance.add(box_path, box_name, bad_provider) }.
        to raise_error(Vagrant::Errors::BoxProviderDoesntMatch)

      # Verify the box doesn't exist
      instance.find(box_name, bad_provider).should be_nil
    end

    it "should raise an exception if you add an invalid box file" do
      pending "I don't know how to generate an invalid tar."
    end
  end

  describe "listing all" do
    it "should return an empty array when no boxes are there" do
      instance.all.should == []
    end

    it "should return the boxes and their providers" do
      # Create some boxes
      environment.box2("foo", :virtualbox)
      environment.box2("foo", :vmware)
      environment.box2("bar", :ec2)

      # Verify some output
      results = instance.all.sort
      results.length.should == 3
      results.should == [["foo", :virtualbox], ["foo", :vmware], ["bar", :ec2]].sort
    end

    it "should return V1 boxes as well" do
      # Create some boxes, including a V1 box
      environment.box1("bar")
      environment.box2("foo", :vmware)

      # Verify some output
      results = instance.all.sort
      results.should == [["bar", :virtualbox, :v1], ["foo", :vmware]]
    end
  end

  describe "finding" do
    it "should return nil if the box does not exist" do
      instance.find("foo", :i_dont_exist).should be_nil
    end

    it "should return a box if the box does exist" do
      # Create the "box"
      environment.box2("foo", :virtualbox)

      # Actual test
      result = instance.find("foo", :virtualbox)
      result.should_not be_nil
      result.should be_kind_of(box_class)
      result.name.should == "foo"
    end

    it "should throw an exception if it is a v1 box" do
      # Create a V1 box
      environment.box1("foo")

      # Test!
      expect { instance.find("foo", :virtualbox) }.
        to raise_error(Vagrant::Errors::BoxUpgradeRequired)
    end
  end

  describe "upgrading" do
    it "should upgrade a V1 box to V2" do
      # Create a V1 box
      environment.box1("foo")

      # Verify that only a V1 box exists
      expect { instance.find("foo", :virtualbox) }.
        to raise_error(Vagrant::Errors::BoxUpgradeRequired)

      # Upgrade the box
      instance.upgrade("foo").should be

      # Verify the box exists
      box = instance.find("foo", :virtualbox)
      box.should_not be_nil
      box.name.should == "foo"
    end

    it "should raise a BoxNotFound exception if a non-existent box is upgraded" do
      expect { instance.upgrade("i-dont-exist") }.
        to raise_error(Vagrant::Errors::BoxNotFound)
    end

    it "should return true if we try to upgrade a V2 box" do
      # Create a V2 box
      environment.box2("foo", :vmware)

      instance.upgrade("foo").should be
    end
  end
end