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require 'test/unit'
require 'yaml/store'
Syck::Store = YAML::Store unless defined?(Syck::Store)
module Syck
class YAMLStoreTest < Test::Unit::TestCase
def setup
@engine, YAML::ENGINE.yamler = YAML::ENGINE.yamler, 'syck'
@yamlstore_file = "yamlstore.tmp.#{Process.pid}"
@yamlstore = YAML::Store.new(@yamlstore_file)
end
def teardown
YAML::ENGINE.yamler = @engine
File.unlink(@yamlstore_file) rescue nil
end
def test_opening_new_file_in_readonly_mode_should_result_in_empty_values
@yamlstore.transaction(true) do
assert_nil @yamlstore[:foo]
assert_nil @yamlstore[:bar]
end
end
def test_opening_new_file_in_readwrite_mode_should_result_in_empty_values
@yamlstore.transaction do
assert_nil @yamlstore[:foo]
assert_nil @yamlstore[:bar]
end
end
def test_data_should_be_loaded_correctly_when_in_readonly_mode
@yamlstore.transaction do
@yamlstore[:foo] = "bar"
end
@yamlstore.transaction(true) do
assert_equal "bar", @yamlstore[:foo]
end
end
def test_data_should_be_loaded_correctly_when_in_readwrite_mode
@yamlstore.transaction do
@yamlstore[:foo] = "bar"
end
@yamlstore.transaction do
assert_equal "bar", @yamlstore[:foo]
end
end
def test_changes_after_commit_are_discarded
@yamlstore.transaction do
@yamlstore[:foo] = "bar"
@yamlstore.commit
@yamlstore[:foo] = "baz"
end
@yamlstore.transaction(true) do
assert_equal "bar", @yamlstore[:foo]
end
end
def test_changes_are_not_written_on_abort
@yamlstore.transaction do
@yamlstore[:foo] = "bar"
@yamlstore.abort
end
@yamlstore.transaction(true) do
assert_nil @yamlstore[:foo]
end
end
def test_writing_inside_readonly_transaction_raises_error
assert_raise(PStore::Error) do
@yamlstore.transaction(true) do
@yamlstore[:foo] = "bar"
end
end
end
end
end
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