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require 'test_helper'
# Each of these tests shells out to `ruby -rfakeweb ...` so
# we can see how FakeWeb behaves with different combinations of
# other gems loaded without polluting the rest of our tests.
class TestOtherNetHttpLibraries < Test::Unit::TestCase
def capture_output_from_requiring(libs, additional_code = "")
requires = libs.map { |lib| "require '#{lib}'" }.join("; ")
fakeweb_test_dir = File.dirname(__FILE__)
load_paths = [fakeweb_test_dir,
File.expand_path("#{fakeweb_test_dir}/../lib")]
load_paths += Dir["#{fakeweb_test_dir}/vendor/*/lib"]
load_path_opts = load_paths.map { |dir| "-I#{dir}" }.join(" ")
# Since each test in this class starts a new Ruby process to run
# implementation code, the main test process's Coverage database
# won't know that code's been exercised. Instead, you have to load
# SimpleCov at the start of each process, collect the results as
# they exit, then finally merge them with the original test
# process's stats at the end of the suite. SimpleCov is magic and
# does this for you (!) as long as you inform it re: the haps by
# providing a unique, stable identifier for each part.
# We can just use the name of the current test, since we only
# start one process per test. The original process (comprising
# the rest of the tests) will just get the default name
# "Unit Tests".
#simplecov_code = "SIMPLECOV_COMMAND_NAME = '#{current_test_name}'; require 'helpers/start_simplecov'"
#output = `#{ruby_path} #{current_ruby_opts.join(' ')} #{load_path_opts} -e "#{simplecov_code}; #{requires}; #{additional_code}" 2>&1`
remove_warnings_from_gems_and_stdlib(output)
end
def _test_requiring_samuel_before_fakeweb_prints_warning
output = capture_output_from_requiring %w(samuel fakeweb)
assert_match %r(Warning: FakeWeb was loaded after Samuel), output
end
def _test_requiring_samuel_after_fakeweb_does_not_print_warning
output = capture_output_from_requiring %w(fakeweb samuel)
assert_empty output
end
def _test_requiring_right_http_connection_before_fakeweb_and_then_connecting_does_not_print_warning
additional_code = "Net::HTTP.start('example.com')"
output = capture_output_from_requiring %w(right_http_connection fakeweb), additional_code
assert_empty output
end
def _test_requiring_right_http_connection_after_fakeweb_and_then_connecting_prints_warning
additional_code = "Net::HTTP.start('example.com')"
output = capture_output_from_requiring %w(fakeweb right_http_connection), additional_code
assert_match %r(Warning: RightHttpConnection was loaded after FakeWeb), output
end
end
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