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|
require 'uri'
#
# The HTTP-protocol test.
#
# This object is instantiated if the parser sees a line such as:
#
###
### http://foo.vm.bytemark.co.uk/ must run http with content 'foo' otherwise 'ftp fail'.
###
#
#
module Custodian
module ProtocolTest
class HTTPTest < TestFactory
#
# The line from which we were constructed.
#
attr_reader :line
#
# The URL to poll
#
attr_reader :url
#
# The expected status + content
#
attr_reader :expected_status, :expected_content
#
# The actual status & content received.
#
attr_reader :status, :content
#
# Constructor
#
def initialize( line )
#
# Save the line
#
@line = line
#
# Save the URL
#
@url = line.split( /\s+/)[0]
@host = @url
#
# Ensure we've got a HTTP/HTTPS url.
#
if ( @url !~ /^https?:/ )
raise ArgumentError, "The target wasn't a HTTP/HTTPS URL: #{line}"
end
#
# Determine that the protocol of the URL matches the
# protocol-test we're running
#
test_type = nil
case line
when /\s+must\s(not\s+)?run\s+http(\s+|\.|$)/i
then
test_type = "http"
when /\s+must\s+(not\s+)?run\s+https(\s+|\.|$)/i
then
test_type = "https"
else
raise ArgumentError, "URL has invalid scheme: #{@line}"
end
#
# Get the schema of the URL
#
u = URI.parse( @url )
if ( u.scheme != test_type )
raise ArgumentError, "The test case has a different protocol in the URI than that which we're testing: #{@line} - \"#{test_type} != #{u.scheme}\""
end
#
# Is this test inverted?
#
if ( line =~ /must\s+not\s+run\s+/ )
@inverted = true
else
@inverted = false
end
#
# Expected status
#
if ( line =~ /with status ([0-9]+)/ )
@expected_status = $1.dup
else
@expected_status = "200"
end
#
# The content we expect to find
#
if ( line =~ /with content '([^']+)'/ )
@expected_content = $1.dup
else
@expected_content = nil
end
end
#
# Get the right type of this object, based on the
# URL
#
def get_type
if ( @url =~ /^https:/ )
"https"
elsif ( @url =~ /^http:/ )
"http"
else
raise ArgumentError, "URL isn't http/https: #{@url}"
end
end
#
# Allow this test to be serialized.
#
def to_s
@line
end
#
# Run the test.
#
def run_test
# Reset state, in case we've previously run.
@error = nil
@status = nil
@content = nil
begin
require 'rubygems'
require 'curb'
rescue LoadError
@error = "The required rubygem 'curb' was not found."
return false
end
begin
timeout( 20 ) do
begin
c = Curl::Easy.new(@url)
c.follow_location = true
c.max_redirects = 10
c.ssl_verify_host = false
c.ssl_verify_peer = false
c.timeout = 20
c.perform
@status = c.response_code
@content = c.body_str
rescue Curl::Err::SSLCACertificateError => x
@error = "SSL-Validation error"
return false
rescue Curl::Err::TimeoutError
@error = "Timed out fetching page."
return false
rescue Curl::Err::TooManyRedirectsError
@error = "Too many redirections (more than 10)"
return false
rescue => x
@error = "Exception: #{x}"
return false
end
end
rescue Timeout::Error => e
@error = "Timed out during fetch."
return false
end
#
# A this point we've either had an exception, or we've
# got a result
#
if ( @expected_status.to_i != @status.to_i )
@error = "Status code was #{@status} not the expected #{@expected_status}"
return false
end
if ( !@expected_content.nil? )
if ( @content && (! @content.match(/#{@expected_content}/i) ) )
@error = "<p>The response did not contain our expected text '#{@expected_content}'</p>"
return false
end
end
#
# All done.
#
return true
end
#
# If the test fails then report the error../
#
def error
@error
end
register_test_type "http"
register_test_type "https"
end
end
end
|
