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author | Aaron Patterson <aaron.patterson@gmail.com> | 2011-05-10 10:21:40 -0700 |
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committer | Aaron Patterson <aaron.patterson@gmail.com> | 2011-05-23 15:06:12 -0700 |
commit | ad3f0eec755d1d4dbe488eecf348f19dff6f58de (patch) | |
tree | 2f1fb01841996df30383f65a2680e111a8020326 | |
parent | 1170cceaaec8c0c8aef173913405be1456e4b2be (diff) | |
download | rails-ad3f0eec755d1d4dbe488eecf348f19dff6f58de.tar.gz rails-ad3f0eec755d1d4dbe488eecf348f19dff6f58de.tar.bz2 rails-ad3f0eec755d1d4dbe488eecf348f19dff6f58de.zip |
adding AR::Fixtures::File class to wrap a fixture file
-rw-r--r-- | activerecord/lib/active_record/fixtures.rb | 1 | ||||
-rw-r--r-- | activerecord/lib/active_record/fixtures/file.rb | 43 | ||||
-rw-r--r-- | activerecord/test/cases/fixtures/file_test.rb | 46 |
3 files changed, 90 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/fixtures.rb b/activerecord/lib/active_record/fixtures.rb index 4aa6389a04..16a30e3fdb 100644 --- a/activerecord/lib/active_record/fixtures.rb +++ b/activerecord/lib/active_record/fixtures.rb @@ -14,6 +14,7 @@ require 'active_support/core_ext/object/blank' require 'active_support/core_ext/logger' require 'active_support/ordered_hash' require 'active_support/core_ext/module/deprecation' +require 'active_record/fixtures/file' if defined? ActiveRecord class FixtureClassNotFound < ActiveRecord::ActiveRecordError #:nodoc: diff --git a/activerecord/lib/active_record/fixtures/file.rb b/activerecord/lib/active_record/fixtures/file.rb new file mode 100644 index 0000000000..9e95007f40 --- /dev/null +++ b/activerecord/lib/active_record/fixtures/file.rb @@ -0,0 +1,43 @@ +begin + require 'psych' +rescue LoadError +end + +require 'erb' +require 'yaml' + +module ActiveRecord + class Fixtures + class File + include Enumerable + + ## + # Open a fixture file named +file+. When called with a block, the block + # is called with the filehandle and the filehandle is automatically closed + # when the block finishes. + def self.open(file) + x = new file + block_given? ? yield(x) : x + end + + def initialize(file) + @file = file + @rows = nil + end + + def each(&block) + rows.each(&block) + end + + private + def rows + return @rows if @rows + @rows = YAML.load(render(IO.read(@file))).to_a + end + + def render(content) + ERB.new(content).result + end + end + end +end diff --git a/activerecord/test/cases/fixtures/file_test.rb b/activerecord/test/cases/fixtures/file_test.rb new file mode 100644 index 0000000000..af7a2e5a4e --- /dev/null +++ b/activerecord/test/cases/fixtures/file_test.rb @@ -0,0 +1,46 @@ +require "cases/helper" +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"], fh.to_a.map(&:first) + end + end + + def test_values + File.open(::File.join(FIXTURES_ROOT, "accounts.yml")) do |fh| + assert_equal [1,2,3,4,5,6], fh.to_a.map(&:last).map { |x| x['id'] } + 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 + end + end +end |