On 2 Apr 2009, at 02:25, Brandon Olivares wrote:
Hi,
I'm trying to write my first custom matcher.
Here's a bit of my example group.
describe "/contact/index" do
include FormMatchers
before(:each) do
render 'contact/index'
end
it "should show the contact form" do
response.should have_a_contact_form
end
describe "the contact form" do
context "before it has been submitted" do
it "should have a subject dropdown box" do
response.should have_a_contact_form do |form|
form.should have_a_subject_field
end
end # it "should have a subject dropdown box"
# This should be failing
it "should have a name field" do
response.should have_a_contact_form do |form|
form.should have_a_name_field
end
end # it "should have a name field"
describe "the subject dropdown box" do
it "should have a feedback option" do
response.should have_a_contact_form do |form|
form.should have_a_subject_field do |subject|
subject.should have_selector('option', :content =>
'Feedback')
end
end
end # it "should have a feedback option"
# Etc...
end # describe "the subject dropdown box"
end # context "before the form has been submitted"
end # Describe "the contact form"
end # describe "/contact/index"
Right now, everything before the describe "the subject dropdown box"
is
passing, even though the one testing the name field should not
because I've
not added that field yet.
When it gets to the describe block for the subject, I get:
NoMethodError in '/contact/index the contact form before it has been
submitted the subject dropdown box should have a blank option'
undefined method `have_selector' for
#<FormMatchers::HaveAFormWithID:0x7f3260ac>
#have_selector is part of webrat. Have you required the appropriate
files so that method is visible to your new matcher class?
The have_a_contact_form method is as follows:
def have_a_contact_form &block
have_a_form_with_id 'contact', &block
end
That calls a have_a_form_with_id method, which calls the
haveAFormWithID
class.
module FormMatchers
class HaveAFormWithID
def initialize id, &block
@id = id
@block = block
end
def matches? response
response.should have_selector('form#%s' % [...@id]) do |form|
!...@block or @block.call form
end
end
def description
"have a form with id #...@id}"
end
def failure_message
"expected to have a form with ID #...@id}"
end
def negative_failure_message
"expected not to have a form with ID #...@id}"
end
end
def have_a_form_with_id id, &block
HaveAFormWithID.new id, &block
end
end
Sorry for all the code. Again this is my first custom matcher, so I
could be
doing something very wrong.
Any help much appreciated.
Thanks,
Brandon
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As a P.S. I hate to take the wind out of your sails here, but I was
reflecting only today how, after 9 months of using RSpec to TDD our
Rails app, we have massaged the view specs down to almost nothing. IMO
99% of the time you should be writing a Cucumber feature instead and
leaving it at that.
Matt Wynne
http://beta.songkick.com
http://blog.mattwynne.net
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