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Pulling features up from have_tag into have_selector

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This commit is contained in:
Bryan Helmkamp 2009-02-23 19:51:50 -05:00
parent d96899be8c
commit 2296cadb93
4 changed files with 148 additions and 234 deletions
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79
lib/webrat/core/matchers/have_selector.rb
View File

@ -1,22 +1,77 @@
require "webrat/core/matchers/have_xpath"
module Webrat
module Matchers
class HaveSelector < HaveXpath #:nodoc:
# ==== Returns
# String:: The failure message.
def failure_message
"expected following text to match selector #{@expected}:\n#{@document}"
"expected following output to contain a #{tag_inspect} tag:\n#{@document}"
end
# ==== Returns
# String:: The failure message to be displayed in negative matches.
def negative_failure_message
"expected following text to not match selector #{@expected}:\n#{@document}"
"expected following output to omit a #{tag_inspect}:\n#{@document}"
end
def matches?(stringlike, &block)
@block ||= block
matched = matches(stringlike)
options = @expected.last.dup
if options[:count]
matched.size == options[:count] && (!@block || @block.call(matched))
else
matched.any? && (!@block || @block.call(matched))
end
end
def tag_inspect
options = @expected.last.dup
content = options.delete(:content)
html = "<#{@expected.first}"
options.each do |k,v|
html << " #{k}='#{v}'"
end
if content
html << ">#{content}</#{@expected.first}>"
else
html << "/>"
end
html
end
def query
Nokogiri::CSS::Parser.parse(*super).map { |ast| ast.to_xpath }
options = @expected.last.dup
selector = @expected.first.to_s
options.each do |key, value|
next if [:content, :count].include?(key)
selector << "[#{key}='#{value}']"
end
q = Nokogiri::CSS::Parser.parse(selector).map { |ast| ast.to_xpath }.first
if options[:content] && options[:content].include?("'") && options[:content].include?('"')
parts = options[:content].split("'").map do |part|
"'#{part}'"
end
string = "concat(" + parts.join(", \"'\", ") + ")"
q << "[contains(., #{string})]"
elsif options[:content] && options[:content].include?("'")
q << "[contains(., \"#{options[:content]}\")]"
elsif options[:content]
q << "[contains(., '#{options[:content]}')]"
end
q
end
end
@ -28,24 +83,24 @@ module Webrat
#
# ==== Returns
# HaveSelector:: A new have selector matcher.
def have_selector(expected, &block)
HaveSelector.new(expected, &block)
def have_selector(name, attributes = {}, &block)
HaveSelector.new([name, attributes], &block)
end
alias_method :match_selector, :have_selector
# Asserts that the body of the response contains
# the supplied selector
def assert_have_selector(expected)
hs = HaveSelector.new(expected)
assert hs.matches?(response_body), hs.failure_message
def assert_have_selector(name, attributes = {}, &block)
matcher = HaveSelector.new([name, attributes], &block)
assert matcher.matches?(response_body), matcher.failure_message
end
# Asserts that the body of the response
# does not contain the supplied string or regepx
def assert_have_no_selector(expected)
hs = HaveSelector.new(expected)
assert !hs.matches?(response_body), hs.negative_failure_message
def assert_have_no_selector(name, attributes = {}, &block)
matcher = HaveSelector.new([name, attributes], &block)
assert !matcher.matches?(response_body), matcher.negative_failure_message
end
end

93
lib/webrat/core/matchers/have_tag.rb
View File

@ -1,97 +1,20 @@
module Webrat
require "webrat/core/matchers/have_selector"
module Webrat
module HaveTagMatcher
class HaveTag < ::Webrat::Matchers::HaveSelector #:nodoc:
# ==== Returns
# String:: The failure message.
def failure_message
"expected following output to contain a #{tag_inspect} tag:\n#{@document}"
end
# ==== Returns
# String:: The failure message to be displayed in negative matches.
def negative_failure_message
"expected following output to omit a #{tag_inspect}:\n#{@document}"
end
def matches?(stringlike, &block)
@block ||= block
matched = matches(stringlike)
options = @expected.last.dup
if options[:count]
matched.size == options[:count] && (!@block || @block.call(matched))
else
matched.any? && (!@block || @block.call(matched))
end
end
def tag_inspect
options = @expected.last.dup
content = options.delete(:content)
html = "<#{@expected.first}"
options.each do |k,v|
html << " #{k}='#{v}'"
end
if content
html << ">#{content}</#{@expected.first}>"
else
html << "/>"
end
html
end
def query
options = @expected.last.dup
selector = @expected.first.to_s
options.each do |key, value|
next if [:content, :count].include?(key)
selector << "[#{key}='#{value}']"
end
q = Nokogiri::CSS::Parser.parse(selector).map { |ast| ast.to_xpath }.first
if options[:content] && options[:content].include?("'") && options[:content].include?('"')
parts = options[:content].split("'").map do |part|
"'#{part}'"
end
string = "concat(" + parts.join(", \"'\", ") + ")"
q << "[contains(., #{string})]"
elsif options[:content] && options[:content].include?("'")
q << "[contains(., \"#{options[:content]}\")]"
elsif options[:content]
q << "[contains(., '#{options[:content]}')]"
end
q
end
end
def have_tag(name, attributes = {}, &block)
HaveTag.new([name, attributes], &block)
def have_tag(*args, &block)
have_selector(*args, &block)
end
alias_method :match_tag, :have_tag
# Asserts that the body of the response contains
# the supplied tag with the associated selectors
def assert_have_tag(name, attributes = {})
ht = HaveTag.new([name, attributes])
assert ht.matches?(response_body), ht.failure_message
def assert_have_tag(*args, &block)
assert_have_selector(*args, &block)
end
# Asserts that the body of the response
# does not contain the supplied string or regepx
def assert_have_no_tag(name, attributes = {})
ht = HaveTag.new([name, attributes])
assert !ht.matches?(response_body), ht.negative_failure_message
def assert_have_no_tag(*args, &block)
assert_have_no_selector(*args, &block)
end
end

49
spec/public/matchers/have_selector_spec.rb
View File

@ -26,6 +26,43 @@ describe "have_selector" do
@body.should_not have_selector("p")
end
describe "specifying attributes" do
it "should be able to specify the attributes of the tag" do
@body.should have_selector("div", :class => "inner")
end
end
describe "specifying content" do
it "should be able to specify the content of the tag" do
@body.should have_selector("div", :content => "hello, world!")
end
it "should be able to specify the content of the tag with double quotes in it" do
@body.should have_selector("h2", :content => 'Welcome "Bryan"')
end
it "should be able to specify the content of the tag with single quotes in it" do
@body.should have_selector("h3", :content => "Welcome 'Bryan'")
end
it "should be able to specify the content of the tag with both kinds of quotes" do
@body.should have_selector("h4", :content => "Welcome 'Bryan\"")
end
end
describe "specifying counts" do
it "should be able to specify the number of occurences of the tag" do
@body.should have_selector("li", :count => 2)
end
it "should not match if the count is wrong" do
lambda {
@body.should have_selector("li", :count => 3)
}.should raise_error(Spec::Expectations::ExpectationNotMetError)
end
end
describe "specifying nested elements" do
it "should be able to loop over all the matched elements" do
@body.should have_selector("div") do |node|
node.first.name.should == "div"
@ -54,12 +91,20 @@ describe "have_selector" do
}.should raise_error(Spec::Expectations::ExpectationNotMetError)
end
describe "asserts for selector," do
it "should work with items that have multiple child nodes" do
@body.should have_selector("ul") do |n|
n.should have_selector("li", :content => "First")
n.should have_selector("li", :content => "Second")
end
end
end
describe "Test::Unit assertions" do
include Test::Unit::Assertions
before(:each) do
should_receive(:response_body).and_return @body
require 'test/unit'
should_receive(:response_body).and_return @body
end
describe "assert_have_selector" do

115
spec/public/matchers/have_tag_spec.rb
View File

@ -8,90 +8,14 @@ describe "have_tag" do
@body = <<-HTML
<div id='main'>
<div class='inner'>hello, world!</div>
<h2>Welcome "Bryan"</h2>
<h3>Welcome 'Bryan'</h3>
<h4>Welcome 'Bryan"</h4>
<ul>
<li>First</li>
<li>Second</li>
</ul>
</div>
HTML
end
it "should be able to match a tag" do
it "should be an alias for have_selector" do
@body.should have_tag("div")
end
it "should not match the tag when it should not match" do
@body.should_not have_tag("p")
end
it "should be able to specify the content of the tag" do
@body.should have_tag("div", :content => "hello, world!")
end
it "should be able to specify the content of the tag with double quotes in it" do
@body.should have_tag("h2", :content => 'Welcome "Bryan"')
end
it "should be able to specify the content of the tag with single quotes in it" do
@body.should have_tag("h3", :content => "Welcome 'Bryan'")
end
it "should be able to specify the content of the tag with both kinds of quotes" do
@body.should have_tag("h4", :content => "Welcome 'Bryan\"")
end
it "should be able to specify the number of occurences of the tag" do
@body.should have_tag("li", :count => 2)
end
it "should not match if the count is wrong" do
lambda {
@body.should have_tag("li", :count => 3)
}.should raise_error(Spec::Expectations::ExpectationNotMetError)
end
it "should be able to specify the attributes of the tag" do
@body.should have_tag("div", :class => "inner")
end
it "should be able to loop over all the matched elements" do
@body.should have_tag("div") do |node|
node.first.name.should == "div"
end
end
it "should not match of any of the matchers in the block fail" do
lambda {
@body.should have_tag("div") do |node|
node.first.name.should == "p"
end
}.should raise_error(Spec::Expectations::ExpectationNotMetError)
end
it "should be able to use #have_tag in the block" do
@body.should have_tag("div", :id => "main") do |node|
node.should have_tag("div", :class => "inner")
end
end
it "should not match any parent tags in the block" do
lambda {
@body.should have_tag("div", :class => "inner") do |node|
node.should have_tag("div", :id => "main")
end
}.should raise_error(Spec::Expectations::ExpectationNotMetError)
end
it "should work with items that have multiple child nodes" do
@body.should have_tag("ul") do |n|
n.should have_tag("li", :content => "First")
n.should have_tag("li", :content => "Second")
end
end
describe "asserts for tags" do
include Test::Unit::Assertions
@ -101,48 +25,15 @@ describe "have_tag" do
end
describe "assert_have_tag" do
it "should pass when body contains the tag" do
it "should be an alias for assert_have_selector" do
assert_have_tag("div")
end
it "should pass when finding with additional selectors" do
assert_have_tag("div", :class => "inner")
end
it "should throw an exception when the body doesn't have matching tag" do
lambda {
assert_have_tag("p")
}.should raise_error(Test::Unit::AssertionFailedError)
end
it "should throw an exception when the body doesn't have a tag matching the attributes" do
lambda {
assert_have_tag("div", :class => "nope")
}.should raise_error(Test::Unit::AssertionFailedError)
end
end
describe "assert_have_no_tag" do
it "should pass when the body doesn't contan the tag" do
it "should be an alias for assert_have_no_selector" do
assert_have_no_tag("p")
end
it "should pass when the body doesn't contain the tag due to additional selectors missing" do
assert_have_no_tag("div", :class => "nope")
end
it "should throw an exception when the body does contain the tag" do
lambda {
assert_have_no_tag("div")
}.should raise_error(Test::Unit::AssertionFailedError)
end
it "should throw an exception when the body contains the tag with additional selectors" do
lambda {
assert_have_no_tag("div", :class => "inner")
}.should raise_error(Test::Unit::AssertionFailedError)
end
end
end
end