instiki/test/unit/wiki_service_test.rb

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#!/bin/env ruby -w
require File.dirname(__FILE__) + '/../test_helper'
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require 'wiki_service'
require 'fileutils'
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class WikiServiceTest < Test::Unit::TestCase
# Clean the test storage directory before the run
unless defined? @@storage_cleaned
FileUtils.rm(Dir[RAILS_ROOT + '/storage/test/*.command_log'])
FileUtils.rm(Dir[RAILS_ROOT + '/storage/test/*.snapshot'])
FileUtils.rm(Dir[RAILS_ROOT + '/storage/test/*.tex'])
FileUtils.rm(Dir[RAILS_ROOT + '/storage/test/*.zip'])
FileUtils.rm(Dir[RAILS_ROOT + '/storage/test/*.pdf'])
FileUtils.rm(Dir[RAILS_ROOT + '/storage/test/instiki/*'])
@@cleaned_storage = true
WikiService.instance.setup('pswd', 'Wiki', 'wiki')
end
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def setup
@s = WikiService.instance
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@s.create_web 'Instiki', 'instiki'
@web = @s.webs['instiki']
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end
def teardown
@s.delete_web 'instiki'
end
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def test_read_write_page
@s.write_page 'instiki', 'FirstPage', "Electric shocks, I love 'em",
Time.now, 'DavidHeinemeierHansson'
assert_equal "Electric shocks, I love 'em", @s.read_page('instiki', 'FirstPage').content
end
def test_read_only_operations
@s.write_page 'instiki', 'TestReadOnlyOperations', 'Read only operations dont change the' +
'state of any object, and therefore should not be logged by Madeleine!',
Time.now, 'AlexeyVerkhovsky'
assert_doesnt_change_state_or_log :authenticate, 'pswd'
assert_doesnt_change_state_or_log :read_page, 'instiki', 'TestReadOnlyOperations'
assert_doesnt_change_state_or_log :setup?
assert_doesnt_change_state_or_log :webs
@s.write_page 'instiki', 'FirstPage', "Electric shocks, I love 'em",
Time.now, 'DavidHeinemeierHansson'
assert_equal "Electric shocks, I love 'em", @s.read_page('instiki', 'FirstPage').content
end
def test_aborted_transaction
@s.write_page 'instiki', 'FirstPage', "Electric shocks, I love 'em",
10.minutes.ago, 'DavidHeinemeierHansson'
assert_doesnt_change_state('revise_page with unchanged content') {
begin
@s.revise_page 'instiki', 'FirstPage', "Electric shocks, I love 'em",
Time.now, 'DavidHeinemeierHansson'
fail 'Expected Instiki::ValidationError not raised'
rescue Instiki::ValidationError
end
}
end
def test_file_yard
file_yard = @s.file_yard(@web)
assert_equal FileYard, file_yard.class
assert_equal(@s.storage_path + '/instiki', file_yard.files_path)
end
# Checks that a method call or a block doesn;t change the persisted state of the wiki
# Usage:
# assert_doesnt_change_state :read_page, 'instiki', 'TestReadOnlyOperations'
# or
# assert_doesnt_change_state {|wiki| wiki.webs}
def assert_doesnt_change_state(method, *args, &block)
_assert_doesnt_change_state(including_command_log = false, method, *args, &block)
end
# Same as assert_doesnt_change_state, but also asserts that no vommand log is generated
def assert_doesnt_change_state_or_log(method, *args, &block)
_assert_doesnt_change_state(including_command_log = true, method, *args, &block)
end
private
def _assert_doesnt_change_state(including_log, method, *args)
WikiService.snapshot
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last_snapshot_before = last_snapshot
if block_given?
yield @s
else
@s.send(method, *args)
end
if including_log
command_logs = Dir[RAILS_ROOT + 'storage/test/*.command_log']
assert command_logs.empty?, "Calls to #{method} should not be logged"
end
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last_snapshot_after = last_snapshot
assert last_snapshot_before == last_snapshot_after,
'Calls to #{method} should not change the state of any persisted object'
end
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def last_snapshot
snapshots = Dir[RAILS_ROOT + '/storage/test/*.snapshot']
assert !snapshots.empty?, "No snapshots found at #{RAILS_ROOT}/storage/test/"
File.read(snapshots.last)
end
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end