Support ordered YAML fixtures. #1896
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@2600 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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*SVN*
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=======
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* YAML fixtures support ordered hashes for fixtures with foreign key dependencies in the same table. #1896 [purestorm@ggnore.net]
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* :dependent now accepts :nullify option. Sets the foreign key of the related objects to NULL instead of deleting them. #2015 [Robby Russell <robby@planetargon.com>]
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@ -38,6 +38,20 @@ end
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# indented list of key/value pairs in the "key: value" format. Records are separated by a blank line for your viewing
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# pleasure.
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#
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# Note that YAML fixtures are unordered. If you want ordered fixtures, use the omap YAML type. See http://yaml.org/type/omap.html
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# for the specification. You will need ordered fixtures when you have foreign key constraints on keys in the same table.
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# This is commonly needed for tree structures. Example:
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#
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# --- !omap
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# - parent:
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# id: 1
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# parent_id: NULL
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# title: Parent
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# - child:
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# id: 2
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# parent_id: 1
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# title: Child
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#
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# = CSV fixtures
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#
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# Fixtures can also be kept in the Comma Separated Value format. Akin to YAML fixtures, CSV fixtures are stored
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@ -293,8 +307,12 @@ class Fixtures < YAML::Omap
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if File.file?(yaml_file_path)
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# YAML fixtures
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begin
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yaml = YAML::load(erb_render(IO.read(yaml_file_path)))
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yaml.each { |name, data| self[name] = Fixture.new(data, @class_name) } if yaml
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if yaml = YAML::load(erb_render(IO.read(yaml_file_path)))
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yaml = yaml.value if yaml.kind_of?(YAML::Syck::PrivateType)
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yaml.each do |name, data|
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self[name] = Fixture.new(data, @class_name)
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end
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end
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rescue Exception=>boom
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raise Fixture::FormatError, "a YAML error occured parsing #{yaml_file_path}. Please note that YAML must be consistently indented using spaces. Tabs are not allowed. Please have a look at http://www.yaml.org/faq.html\nThe exact error was:\n #{boom.class}: #{boom}"
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end
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@ -350,7 +368,15 @@ class Fixture #:nodoc:
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end
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def initialize(fixture, class_name)
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@fixture = fixture.is_a?(Hash) ? fixture : read_fixture_file(fixture)
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case fixture
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when Hash, YAML::Omap
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@fixture = fixture
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when String
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@fixture = read_fixture_file(fixture)
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else
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raise ArgumentError, "Bad fixture argument #{fixture.inspect}"
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end
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@class_name = class_name
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end
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@ -0,0 +1,7 @@
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--- !omap
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<% 100.times do |i| %>
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- fixture_no_<%= i %>:
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id: <%= i %>
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name: <%= "Category #{i}" %>
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type: Category
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<% end %>
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@ -155,6 +155,19 @@ class FixturesTest < Test::Unit::TestCase
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def test_empty_csv_fixtures
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assert_not_nil Fixtures.new( Account.connection, "accounts", File.dirname(__FILE__) + "/fixtures/naked/csv/accounts")
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end
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def test_omap_fixtures
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assert_nothing_raised do
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fixtures = Fixtures.new(Account.connection, 'categories', File.dirname(__FILE__) + '/fixtures/categories_ordered')
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i = 0
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fixtures.each do |name, fixture|
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assert_equal "fixture_no_#{i}", name
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assert_equal "Category #{i}", fixture['name']
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i += 1
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end
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end
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end
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end
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