# Capybara

=Navigating=
    visit('/projects')
    visit(post_comments_path(post))

=Clicking links and buttons=
    click_link('id-of-link')
    click_link('Link Text')
    click_button('Save')
    click('Link Text') # Click either a link or a button
    click('Button Value')

=Interacting with forms=
    fill_in('First Name', :with => 'John')
    fill_in('Password', :with => 'Seekrit')
    fill_in('Description', :with => 'Really Long Text…')
    choose('A Radio Button')
    check('A Checkbox')
    uncheck('A Checkbox')
    attach_file('Image', '/path/to/image.jpg')
    select('Option', :from => 'Select Box')

=scoping=
    within("//li[@id='employee']") do
      fill_in 'Name', :with => 'Jimmy'
    end
    within(:css, "li#employee") do
      fill_in 'Name', :with => 'Jimmy'
    end
    within_fieldset('Employee') do
      fill_in 'Name', :with => 'Jimmy'
    end
    within_table('Employee') do
      fill_in 'Name', :with => 'Jimmy'
    end

=Querying=
    page.has_xpath?('//table/tr')
    page.has_css?('table tr.foo')
    page.has_content?('foo')
    page.should have_xpath('//table/tr')
    page.should have_css('table tr.foo')
    page.should have_content('foo')
    page.should have_no_content('foo')
    find_field('First Name').value
    find_link('Hello').visible?
    find_button('Send').click
    find('//table/tr').click
    locate("//*[@id='overlay'").find("//h1").click
    all('a').each { |a| a[:href] }

=Scripting=
    result = page.evaluate_script('4 + 4');

=Debugging=
    save_and_open_page

=Asynchronous JavaScript=
    click_link('foo')
    click_link('bar')
    page.should have_content('baz')
    page.should_not have_xpath('//a')
    page.should have_no_xpath('//a')

=XPath and CSS=
    within(:css, 'ul li') { ... }
    find(:css, 'ul li').text
    locate(:css, 'input#name').value
    Capybara.default_selector = :css
    within('ul li') { ... }
    find('ul li').text
    locate('input#name').value
    
#Rspec

#Model 
 
@user.should have(1).error_on(:username) # Checks whether there is an error in username 
@user.errors[:username].should include("can't be blank")  # check for the error message 
 
#Rendering
response.should render_template(:index)
 
#Redirecting 
response.should redirect_to(movies_path)


#Capybara Matchers
 
response.body.should have_content("Hello world")
response.body.should have_no_content("Hello world")
 
response.body.should have_css("input#movie_title")
response.body.should have_css("input#movie_title", :value => "Twelve Angry Men")
response.body.should have_css("input", :count => 3) #True if there are 3 input tags in response
response.body.should have_css("input", :maximum => 3) # True if there or fewer or equal to 3 input tags 
response.body.should have_css("input", :minimum => 3) # True if there are minimum of 3 input tags 
response.body.should have_css("input", :between => 1..3) # True if there 1 to 3 input tags 
response.body.should have_css("p a", :text => "hello") # True if there is a anchor tag with text hello
response.body.should have_css("p a", :text => /[hH]ello(.+)/i) # True if there is a anchor tag with text matching regex

response.body.should have_xpath("//a")
response.body.should have_xpath("//a",:href => "google.com")
response.body.should have_xpath("//a[@href => 'google.com']")
response.body.should have_xpath("//a[contains(.,'some string')]")
response.body.should have_xpath("//p//a", :text => /re[dab]i/i, :count => 1)
 
 
# can take both xpath and css as input and can take arguments similar to both have_css and have_xpath
response.body.should have_selector(:xpath, "//p/h1")
response.body.should have_selector(:css, "p a#movie_edit_path")
 
# For making capybara to take css as default selector
Capybara.default_selector = :css
response.body.should have_selector("input")   #checks for the presence of the input tag
response.body.should have_selector("input", :value =>"Twelve Angry Men") # checks for input tag with value
response.body.should have_no_selector("input") 
 
# For making capybara to take css as default selector
Capybara.default_selector = :xpath
response.body.should have_selector("//input")   #checks for the presence of the input tag
response.body.should have_selector("//input", :value =>"Twelve Angry Men") # checks for input tag with value
 
 
# To access elements inside form 
response.body.should have_field("FirstName")  # checks for presence of a input field named FirstName in a form
response.body.should have_field("FirstName", :value => "Rambo")
response.body.should have_field("FirstName", :with => "Rambo")
 
response.body.should have_link("Foo")
response.body.should have_link("Foo", :href=>"googl.com")
response.body.should have_no_link("Foo", :href=>"google.com")