# encoding: utf-8
require File.expand_path("../spec_helper", __FILE__)

describe "FileField" do

  before :each do
    browser.goto(WatirSpec.files + "/forms_with_input_elements.html")
  end

  describe "#exist?" do
    it "returns true if the file field exists" do
      browser.file_field(:id, 'new_user_portrait').should exist
      browser.file_field(:id, /new_user_portrait/).should exist
      browser.file_field(:name, 'new_user_portrait').should exist
      browser.file_field(:name, /new_user_portrait/).should exist
      browser.file_field(:class, 'portrait').should exist
      browser.file_field(:class, /portrait/).should exist
      browser.file_field(:index, 0).should exist
      browser.file_field(:xpath, "//input[@id='new_user_portrait']").should exist
    end

    it "returns the first file field if given no args" do
      browser.file_field.should exist
    end

    it "returns false if the file field doesn't exist" do
      browser.file_field(:id, 'no_such_id').should_not exist
      browser.file_field(:id, /no_such_id/).should_not exist
      browser.file_field(:name, 'no_such_name').should_not exist
      browser.file_field(:name, /no_such_name/).should_not exist
      browser.file_field(:class, 'no_such_class').should_not exist
      browser.file_field(:class, /no_such_class/).should_not exist
      browser.file_field(:index, 1337).should_not exist
      browser.file_field(:xpath, "//input[@id='no_such_id']").should_not exist
    end

    it "raises TypeError when 'what' argument is invalid" do
      lambda { browser.file_field(:id, 3.14).exists? }.should raise_error(TypeError)
    end

    it "raises MissingWayOfFindingObjectException when 'how' argument is invalid" do
      lambda { browser.file_field(:no_such_how, 'some_value').exists? }.should raise_error(MissingWayOfFindingObjectException)
    end
  end

  # Attribute methods

  describe "#class_name" do
    it "returns the class attribute if the text field exists" do
      browser.file_field(:index, 0).class_name.should == "portrait"
    end

    it "raises UnknownObjectException if the text field doesn't exist" do
      lambda { browser.file_field(:index, 1337).class_name }.should raise_error(UnknownObjectException)
    end
  end

  describe "#id" do
    it "returns the id attribute if the text field exists" do
      browser.file_field(:index, 0).id.should == "new_user_portrait"
    end

    it "raises UnknownObjectException if the text field doesn't exist" do
      lambda { browser.file_field(:index, 1337).id }.should raise_error(UnknownObjectException)
    end
  end

  describe "#name" do
    it "returns the name attribute if the text field exists" do
      browser.file_field(:index, 0).name.should == "new_user_portrait"
    end

    it "raises UnknownObjectException if the text field doesn't exist" do
      lambda { browser.file_field(:index, 1337).name }.should raise_error(UnknownObjectException)
    end
  end

  describe "#title" do
    it "returns the title attribute if the text field exists" do
      browser.file_field(:id, "new_user_portrait").title.should == "Smile!"
    end
  end

  describe "#type" do
    it "returns the type attribute if the text field exists" do
      browser.file_field(:index, 0).type.should == "file"
    end

    it "raises UnknownObjectException if the text field doesn't exist" do
      lambda { browser.file_field(:index, 1337).type }.should raise_error(UnknownObjectException)
    end
  end

  describe "#respond_to?" do
    it "returns true for all attribute methods" do
      browser.file_field(:index, 0).should respond_to(:class_name)
      browser.file_field(:index, 0).should respond_to(:id)
      browser.file_field(:index, 0).should respond_to(:name)
      browser.file_field(:index, 0).should respond_to(:title)
      browser.file_field(:index, 0).should respond_to(:type)
      browser.file_field(:index, 0).should respond_to(:value)
    end
  end

  # Manipulation methods

  describe "#set" do
    it "is able to set a file path in the field and click the upload button and fire the onchange event" do
      browser.goto("#{WatirSpec.host}/forms_with_input_elements.html")

      path    = File.expand_path(__FILE__)
      element = browser.file_field(:name, "new_user_portrait")

      element.set path

      element.value.should include(File.basename(path)) # only some browser will return the full path
      messages.first.should include(File.basename(path))

      browser.button(:name, "new_user_submit").click
    end

    it "raises an error if the file does not exist" do
      lambda {
        browser.file_field.set('/tmp/unlikely-to-exist')
      }.should raise_error(Errno::ENOENT)
    end
  end


  describe "#value=" do
    it "is able to set a file path in the field and click the upload button and fire the onchange event" do
      browser.goto("#{WatirSpec.host}/forms_with_input_elements.html")

      path    = File.expand_path(__FILE__)
      element = browser.file_field(:name, "new_user_portrait")

      element.value = path
      element.value.should include(File.basename(path)) # only some browser will return the full path
    end


    not_compliant_on [:webdriver, :ie] do
      it "does not raise an error if the file does not exist" do
        browser.file_field.value = '/tmp/unlikely-to-exist'
        browser.file_field.value.should == '/tmp/unlikely-to-exist'
      end

      it "does not alter its argument" do
        value = '/foo/bar'
        browser.file_field.value = value
        value.should == '/foo/bar'
      end
    end
  end

end