require File.expand_path('../../helper', __FILE__)
require 'tempfile'
module ActiveRecord
class Fixtures
class FileTest < ActiveRecord::TestCase
def test_open
fh = File.open(::File.join(FIXTURES_ROOT, "accounts.yml"))
assert_equal 6, fh.to_a.length
end
def test_open_with_block
called = false
File.open(::File.join(FIXTURES_ROOT, "accounts.yml")) do |fh|
called = true
assert_equal 6, fh.to_a.length
end
assert called, 'block called'
end
def test_names
File.open(::File.join(FIXTURES_ROOT, "accounts.yml")) do |fh|
assert_equal ["signals37",
"unknown",
"rails_core_account",
"last_account",
"rails_core_account_2",
"odegy_account"].sort, fh.to_a.map(&:first).sort
end
end
def test_values
File.open(::File.join(FIXTURES_ROOT, "accounts.yml")) do |fh|
assert_equal [1,2,3,4,5,6].sort, fh.to_a.map(&:last).map { |x|
x['id']
}.sort
end
end
def test_erb_processing
File.open(::File.join(FIXTURES_ROOT, "developers.yml")) do |fh|
devs = Array.new(8) { |i| "dev_#{i + 3}" }
assert_equal [], devs - fh.to_a.map(&:first)
end
end
def test_empty_file
tmp_yaml ['empty', 'yml'], '' do |t|
assert_equal [], File.open(t.path) { |fh| fh.to_a }
end
end
# A valid YAML file is not necessarily a value Fixture file. Make sure
# an exception is raised if the format is not valid Fixture format.
def test_wrong_fixture_format_string
tmp_yaml ['empty', 'yml'], 'qwerty' do |t|
assert_raises(ActiveRecord::Fixture::FormatError) do
File.open(t.path) { |fh| fh.to_a }
end
end
end
def test_wrong_fixture_format_nested
tmp_yaml ['empty', 'yml'], 'one: two' do |t|
assert_raises(ActiveRecord::Fixture::FormatError) do
File.open(t.path) { |fh| fh.to_a }
end
end
end
private
def tmp_yaml(name, contents)
t = Tempfile.new name
t.binmode
t.write contents
t.close
yield t
ensure
t.close true
end
end
end
end
