require File.dirname(__FILE__) + '/../spec_helper'

class PageSpecTestPage < Page
  description 'this is just a test page'

  def headers
    {
      'cool' => 'beans',
      'request' => @request.inspect[20..30],
      'response' => @response.inspect[20..31]
    }
  end

  tag 'test1' do
    'Hello world!'
  end

  tag 'test2' do
    'Another test.'
  end
end

describe Page, 'validations' do
  dataset :pages
  test_helper :validations

  before :each do
    @page = @model = Page.new(page_params)
  end

  it 'should validate length of' do
    {
      :title => 255,
      :slug => 100,
      :breadcrumb => 160
    }.each do |field, max|
      assert_invalid field, ('%d-character limit' % max), 'x' * (max + 1)
      assert_valid field, 'x' * max
    end
  end

  it 'should validate presence of' do
    [:title, :slug, :breadcrumb].each do |field|
      assert_invalid field, 'required', '', ' ', nil
    end
  end

  it 'should validate format of' do
    @page.parent = pages(:home)
    assert_valid :slug, 'abc', 'abcd-efg', 'abcd_efg', 'abc.html', '/', '123'
    assert_invalid :slug, 'invalid format', 'abcd efg', ' abcd', 'abcd/efg'
  end

  it 'should validate numericality of' do
    assert_invalid :status_id, 'required', '', nil
    [:id, :status_id, :parent_id].each do |field|
      assert_valid field, '1', '2'
      assert_invalid field, 'must be a number', 'abcd', '1,2', '1.3'
    end
  end

  it 'should validate uniqueness of' do
    @page.parent = pages(:parent)
    assert_invalid :slug, 'slug already in use for child of parent', 'child', 'child-2', 'child-3'
    assert_valid :slug, 'child-4'
  end

  it 'should allow mass assignment for class name' do
    @page.attributes = { :class_name => 'ArchivePage' }
    assert_valid @page
    @page.class_name.should == 'ArchivePage'
  end

  it 'should not be valid when class name is not a descendant of page' do
    @page.class_name = 'Object'
    @page.valid?.should == false
    assert_not_nil @page.errors.on(:class_name)
    @page.errors.on(:class_name).should == 'must be set to a valid descendant of Page'
  end

  it 'should not be valid when class name is not a descendant of page and it is set through mass assignment' do
    @page.attributes = {:class_name => 'Object' }
    @page.valid?.should == false
    assert_not_nil @page.errors.on(:class_name)
    @page.errors.on(:class_name).should == 'must be set to a valid descendant of Page'
  end

  it 'should be valid when class name is page or empty or nil' do
    [nil, '', 'Page'].each do |value|
      @page = ArchivePage.new(page_params)
      @page.class_name = value
      assert_valid @page
      @page.class_name.should == value
    end
  end
end

describe Page, "behaviors" do
  it 'should include' do
    Page.included_modules.should include(StandardTags)
    Page.included_modules.should include(Annotatable)
  end
end

describe Page, "layout" do
  dataset :pages_with_layouts

  it 'should be accessible' do
    @page = pages(:first)
    @page.layout_id.should == layout_id(:main)
    @page.layout.name.should == "Main"
  end

  it 'should be inherited' do
    @page = pages(:inherited_layout)
    @page.layout_id.should == nil
    @page.layout.should == @page.parent.layout
  end
end

describe Page do
  dataset :pages

  before :each do
    @page = pages(:first)
  end

  it 'should have parts' do
    @page.parts.count.should == 1
    pages(:home).parts.count.should == 4
  end

  it 'should destroy dependant parts' do
    @page.parts.create(page_part_params(:name => 'test', :page_id => nil))
    @page.parts.find_by_name('test').should be_kind_of(PagePart)

    id = @page.id
    @page.destroy
    PagePart.find_by_page_id_and_name(id, 'test').should be_nil
  end

  it 'should allow access to parts by name with a string' do
    part = @page.part('body')
    part.name.should == 'body'
  end

  it 'should allow access to parts by name with a symbol' do
    part = @page.part(:body)
    part.name.should == 'body'
  end

  it 'should allow access to parts by name when page is unsaved' do
    part = PagePart.new(:content => "test", :name => "test")
    @page.parts << part
    @page.part('test').should == part
    @page.part(:test).should == part
  end

  it 'should allow access to parts by name created with the build method when page is unsaved' do
    @page.parts.build(:content => "test", :name => "test")
    @page.part('test').content.should == "test"
    @page.part(:test).content.should == "test"
  end

  it "should accept new page parts as an array of PageParts" do
    @page.parts = [PagePart.new(:name => 'body', :content => 'Hello, world!')]
    @page.parts.size.should == 1
    @page.parts.first.should be_kind_of(PagePart)
    @page.parts.first.name.should == 'body'
    @page.parts.first.content.should == 'Hello, world!'
  end

  it "should dirty the page object when only changing parts" do
    lambda do
      @page.parts = [PagePart.new(:name => 'body', :content => 'Hello, world!')]
      @page.changed.should_not be_empty
    end
  end

  # invalid, as published_at is set when form is submitted

  it 'should set published_at when published' do
    @page = Page.new(page_params(:status_id => '1', :published_at => nil))
    @page.published_at.should be_nil

    @page.status_id = Status[:published].id
    @page.save
    @page.published_at.should_not be_nil
    @page.published_at.utc.day.should == Time.now.utc.day
  end

  it 'should not update published_at when already published' do
    @page = Page.new(page_params(:status_id => Status[:published].id))
    @page.published_at.should be_kind_of(Time)

    expected = @page.published_at
    @page.save
    @page.published_at.should == expected
  end

  it 'should answer true when published' do
    @page.status = Status[:published]
    @page.published?.should == true
  end

  it 'should answer false when not published' do
    @page.status = Status[:draft]
    @page.published?.should be_false
  end
  
  it 'should answer false when not published but scheduled' do
    @page.status = Status[:scheduled]
    @page.published?.should be_false
  end

  it 'should change its status to scheduled when publishing in the future' do
    @page = Page.new(page_params(:status_id => '100', :published_at => '2020-1-1'))
    @page.save
    @page.status_id.should == 90    
  end

  it 'should change its status to draft when set to draft' do
    @page = pages(:scheduled)
    @page.status_id = Status[:draft].id
    @page.save
    @page.status_id.should == 1    
  end
  
  it 'should be published status when published_at is in the past' do
    #current time 01-29-2010
    scheduled_time = '2010-1-1'
    @page = Page.new(page_params(:status_id => '90', :published_at => scheduled_time))
    @page.save
    @page.status_id.should == 100

  end
  
  it "should answer the page's url" do
    @page = pages(:parent)
    @page.url.should == '/parent/'
    @page.children.first.url.should == '/parent/child/'

    grandchild = pages(:grandchild)
    grandchild.url.should == '/parent/child/grandchild/'
  end

  it 'should allow you to calculate a child url from the parent' do
    @page = pages(:parent)
    child = pages(:child)
    @page.child_url(child).should == '/parent/child/'
  end

  it 'should have status' do
    @page = pages(:home)
    @page.status.should == Status[:published]
  end

  it 'should allow you to set the status' do
    @page = pages(:home)
    draft = Status[:draft]
    @page.status = draft
    @page.status.should == draft
    @page.status_id.should == draft.id
  end

  it 'should respond to cache? with true (by default)' do
    @page.cache?.should == true
  end

  it 'should respond to virtual? with false (by default)' do
    @page.virtual?.should == false
  end

  it 'should allow you to tell if a part exists based on a string or symbol' do
    @page = pages(:home)
    @page.has_part?(:body).should == true
    @page.has_part?('sidebar').should == true
    @page.has_part?(:obviously_false_part_name).should == false
  end

  it 'should allow you to tell if a part is inherited' do
    @page = pages(:child)
    @page.has_part?(:sidebar).should == false
    @page.inherits_part?(:sidebar).should == true

    @page = pages(:home)
    @page.has_part?(:sidebar).should == true
    @page.inherits_part?(:sidebar).should == false
  end

  it 'should allow you to tell if a part exists or is inherited' do
    @page = pages(:child)
    @page.has_part?(:sidebar).should == false
    @page.has_or_inherits_part?(:sidebar).should == true
    @page.has_or_inherits_part?(:obviously_false_part_name).should == false

    @page = pages(:home)
    @page.has_part?(:sidebar).should == true
    @page.has_or_inherits_part?(:sidebar).should == true
    @page.has_or_inherits_part?(:obviously_false_part_name).should == false
  end

  it 'should support optimistic locking' do
    p1, p2 = Page.find(page_id(:first)), Page.find(page_id(:first))
    p1.update_attributes!(:breadcrumb => "foo")
    lambda { p2.update_attributes!(:breadcrumb => "blah") }.should raise_error(ActiveRecord::StaleObjectError)
  end
end

describe Page, "before save filter" do
  dataset :home_page

  before :each do
    Page.create(page_params(:title =>"Month Index", :class_name => "ArchiveMonthIndexPage"))
    @page = Page.find_by_title("Month Index")
  end

  it 'should set the class name correctly' do
    @page.should be_kind_of(ArchiveMonthIndexPage)
  end

  it 'should set the virtual bit correctly' do
    @page.virtual?.should == true
    @page.virtual.should == true
  end

  it 'should update virtual based on new class name' do
    # turn a regular page into a virtual page
    @page.class_name = "ArchiveMonthIndexPage"
    @page.save.should == true
    @page.virtual?.should == true
    @page.send(:read_attribute, :virtual).should == true

   # turn a virtual page into a non-virtual one
   ["", nil, "Page", "EnvDumpPage"].each do |value|
      @page = ArchiveYearIndexPage.create(page_params)
      @page.class_name = value
      @page.save.should == true
      @page = Page.find @page.id
      @page.should be_instance_of(Page.descendant_class(value))
      @page.virtual?.should == false
      @page.send(:read_attribute, :virtual).should == false
    end
  end
end

describe Page, "rendering" do
  dataset :pages, :markup_pages, :snippets, :layouts
  test_helper :render

  before :each do
    @page = pages(:home)
  end

  it 'should render' do
    @page.render.should == 'Hello world!'
  end

  it 'should render with a filter' do
    pages(:textile).render.should == '<p>Some <strong>Textile</strong> content.</p>'
  end

  it 'should render with tags' do
    pages(:radius).render.should == "Radius body."
  end

  it 'should render with a layout' do
    @page.update_attribute(:layout_id, layout_id(:main))
    @page.render.should == "<html>\n  <head>\n    <title>Home</title>\n  </head>\n  <body>\n    Hello world!\n  </body>\n</html>\n"
  end

  it 'should render a part' do
    @page.render_part(:body).should == "Hello world!"
  end

  it "should render blank when given a non-existent part" do
    @page.render_part(:empty).should == ''
  end

  it 'should render a snippet' do
    @page.render_snippet(snippets(:first)).should == 'test'
  end

  it 'should render a snippet with a filter' do
    @page.render_snippet(snippets(:markdown)).should match(%r{<p><strong>markdown</strong></p>})
  end

  it 'should render a snippet with a tag' do
    @page.render_snippet(snippets(:radius)).should == 'Home'
  end

  it 'should render custom pages with tags' do
    create_page "Test Page", :body => "<r:test1 /> <r:test2 />", :class_name => "PageSpecTestPage"
    pages(:test_page).should render_as('Hello world! Another test. body.')
  end
end

describe Page, "#find_by_url" do
  dataset :pages, :file_not_found

  before :each do
    @page = pages(:home)
  end

  it 'should allow you to find the home page' do
    @page.find_by_url('/').should == @page
  end

  it 'should allow you to find deeply nested pages' do
    @page.find_by_url('/parent/child/grandchild/great-grandchild/').should == pages(:great_grandchild)
  end

  it 'should not allow you to find virtual pages' do
    @page.find_by_url('/virtual/').should == pages(:file_not_found)
  end

  it 'should find the FileNotFoundPage when a page does not exist' do
    @page.find_by_url('/nothing-doing/').should == pages(:file_not_found)
  end

  it 'should find a draft FileNotFoundPage in dev mode' do
    @page.find_by_url('/drafts/no-page-here', false).should == pages(:lonely_draft_file_not_found)
  end

  it 'should not find a draft FileNotFoundPage in live mode' do
    @page.find_by_url('/drafts/no-page-here').should_not == pages(:lonely_draft_file_not_found)
  end

  it 'should find a custom file not found page' do
    @page.find_by_url('/gallery/nothing-doing').should == pages(:no_picture)
  end

  it 'should not find draft pages in live mode' do
    @page.find_by_url('/draft/').should == pages(:file_not_found)
  end

  it 'should find draft pages in dev mode' do
    @page.find_by_url('/draft/', false).should == pages(:draft)
  end

  it "should use the top-most published 404 page by default" do
    @page.find_by_url('/foo').should == pages(:file_not_found)
    @page.find_by_url('/foo/bar').should == pages(:file_not_found)
  end
end

describe Page, "class" do
  it 'should have a description' do
    PageSpecTestPage.description.should == 'this is just a test page'
  end

  it 'should have a display name' do
    Page.display_name.should == "Page"

    PageSpecTestPage.display_name.should == "Page Spec Test"

    PageSpecTestPage.display_name = "New Name"
    PageSpecTestPage.display_name.should == "New Name"

    FileNotFoundPage.display_name.should == "File Not Found"
  end

  it 'should list decendants' do
    descendants = Page.descendants
    assert_kind_of Array, descendants
    assert_match /PageSpecTestPage/, descendants.inspect
  end

  it 'should allow initialization with empty defaults' do
    @page = Page.new_with_defaults({})
    @page.parts.size.should == 0
  end

  it 'should allow initialization with default page parts' do
    @page = Page.new_with_defaults({ 'defaults.page.parts' => 'a, b, c'})
    @page.parts.size.should == 3
    @page.parts.first.name.should == 'a'
    @page.parts.last.name.should == 'c'
  end

  it 'should allow initialization with default page status' do
    @page = Page.new_with_defaults({ 'defaults.page.status' => 'published' })
    @page.status.should == Status[:published]
  end

  it 'should allow initialization with default filter' do
    @page = Page.new_with_defaults({ 'defaults.page.filter' => 'Textile', 'defaults.page.parts' => 'a, b, c' })
    @page.parts.each do |part|
      part.filter_id.should == 'Textile'
    end
  end

  it "should expose default page parts" do
    override = PagePart.new(:name => 'override')
    Page.stub!(:default_page_parts).and_return([override])
    @page = Page.new_with_defaults({})
    @page.parts.should eql([override])
  end

  it 'should allow you to get the class name of a descendant class with a string' do
    ["", nil, "Page"].each do |value|
      Page.descendant_class(value).should == Page
    end
    Page.descendant_class("PageSpecTestPage").should == PageSpecTestPage
  end

  it 'should allow you to determine if a string is a valid descendant class name' do
    ["", nil, "Page", "PageSpecTestPage"].each do |value|
      Page.is_descendant_class_name?(value).should == true
    end
    Page.is_descendant_class_name?("InvalidPage").should == false
  end

end

describe Page, "loading subclasses before bootstrap" do
  before :each do
    Page.connection.should_receive(:tables).and_return([])
  end

  it "should not attempt to search for missing subclasses" do
    Page.connection.should_not_receive(:select_values).with("SELECT DISTINCT class_name FROM pages WHERE class_name <> '' AND class_name IS NOT NULL")
    Page.load_subclasses
  end
end

describe Page, "loading subclasses when upgrading from 0.5.x where class_name column is not present" do
  before :each do
    column_names = Page.column_names - ["class_name"]
    Page.should_receive(:column_names).and_return(column_names)
  end

  it "should not attempt to search for missing subclasses" do
    Page.connection.should_not_receive(:select_values).with("SELECT DISTINCT class_name FROM pages WHERE class_name <> '' AND class_name IS NOT NULL")
    Page.load_subclasses
  end
end

describe Page, 'loading subclasses after bootstrap' do
  it "should find subclasses in extensions" do
    defined?(ArchivePage).should_not be_nil
  end

  it "should not adjust the display name of subclasses found in extensions" do
    ArchivePage.display_name.should_not match(/not installed/)
  end
end

describe Page, "class which is applied to a page but not defined" do
  dataset :pages

  before :each do
    Object.send(:const_set, :ClassNotDefinedPage, Class.new(Page){ def self.missing?; false end })
    create_page "Class Not Defined", :class_name => "ClassNotDefinedPage"
    Object.send(:remove_const, :ClassNotDefinedPage)
    Page.load_subclasses
  end

  it 'should be created dynamically as a new subclass of Page' do
    Object.const_defined?("ClassNotDefinedPage").should == true
  end

  it 'should indicate that it wasn\'t defined' do
    ClassNotDefinedPage.missing?.should == true
  end

  it "should adjust the display name to indicate that the page type is not installed" do
    ClassNotDefinedPage.display_name.should match(/not installed/)
  end
  
  after :each do
    Object.send(:remove_const, :ClassNotDefinedPage)
  end
end

describe Page, "class find_by_url" do
  dataset :pages, :file_not_found

  it 'should find the home page' do
    Page.find_by_url('/').should == pages(:home)
  end

  it 'should find children' do
    Page.find_by_url('/parent/child/').should == pages(:child)
  end

  it 'should not find draft pages in live mode' do
    Page.find_by_url('/draft/').should == pages(:file_not_found)
    Page.find_by_url('/draft/', false).should == pages(:draft)
  end

  it 'should raise an exception when root page is missing' do
    pages(:home).destroy
    Page.find_by_parent_id().should be_nil
    lambda { Page.find_by_url "/" }.should raise_error(Page::MissingRootPageError, 'Database missing root page')
  end
end

describe Page, "processing" do
  dataset :pages_with_layouts

  before :all do
    @request = ActionController::TestRequest.new :url => '/page/'
    @response = ActionController::TestResponse.new
    @page = pages(:home)
  end

  it 'should set response body' do
    @page.process(@request, @response)
    @response.body.should match(/Hello world!/)
  end

  it 'should set headers and pass request and response' do
    create_page "Test Page", :class_name => "PageSpecTestPage"
    @page = pages(:test_page)
    @page.process(@request, @response)
    @response.headers['cool'].should == 'beans'
    @response.headers['request'].should == 'TestRequest'
    @response.headers['response'].should == 'TestResponse'
  end

  it 'should set content type based on layout' do
    @page = pages(:utf8)
    @page.process(@request, @response)
    @response.should be_success
    @response.headers['Content-Type'].should == 'text/html;charset=utf8'
  end

  it "should copy custom headers into the response" do
    @page.stub!(:headers).and_return({"X-Extra-Header" => "This is my header"})
    @page.process(@request, @response)
    @response.header['X-Extra-Header'].should == "This is my header"
  end

  it "should set a 200 status code by default" do
    @page.process(@request, @response)
    @response.response_code.should == 200
  end

  it "should set the response code to the result of the response_code method on the page" do
    @page.stub!(:response_code).and_return(404)
    @page.process(@request, @response)
    @response.response_code.should == 404
  end
end