vendor/rails/activerecord/test/cases/readonly_test.rb

   1 require "cases/helper"
   2 require 'models/post'
   3 require 'models/comment'
   4 require 'models/developer'
   5 require 'models/project'
   6 require 'models/reader'
   7 require 'models/person'
   8
   9 # Dummy class methods to test implicit association scoping.
  10 def Comment.foo() find :first end
  11 def Project.foo() find :first end
  12
  13
  14 class ReadOnlyTest < ActiveRecord::TestCase
  15   fixtures :posts, :comments, :developers, :projects, :developers_projects
  16
  17   def test_cant_save_readonly_record
  18     dev = Developer.find(1)
  19     assert !dev.readonly?
  20
  21     dev.readonly!
  22     assert dev.readonly?
  23
  24     assert_nothing_raised do
  25       dev.name = 'Luscious forbidden fruit.'
  26       assert !dev.save
  27       dev.name = 'Forbidden.'
  28     end
  29     assert_raise(ActiveRecord::ReadOnlyRecord) { dev.save  }
  30     assert_raise(ActiveRecord::ReadOnlyRecord) { dev.save! }
  31   end
  32
  33
  34   def test_find_with_readonly_option
  35     Developer.find(:all).each { |d| assert !d.readonly? }
  36     Developer.find(:all, :readonly => false).each { |d| assert !d.readonly? }
  37     Developer.find(:all, :readonly => true).each { |d| assert d.readonly? }
  38   end
  39
  40
  41   def test_find_with_joins_option_implies_readonly
  42     # Blank joins don't count.
  43     Developer.find(:all, :joins => '  ').each { |d| assert !d.readonly? }
  44     Developer.find(:all, :joins => '  ', :readonly => false).each { |d| assert !d.readonly? }
  45
  46     # Others do.
  47     Developer.find(:all, :joins => ', projects').each { |d| assert d.readonly? }
  48     Developer.find(:all, :joins => ', projects', :readonly => false).each { |d| assert !d.readonly? }
  49   end
  50
  51
  52   def test_habtm_find_readonly
  53     dev = Developer.find(1)
  54     assert !dev.projects.empty?
  55     assert dev.projects.all?(&:readonly?)
  56     assert dev.projects.find(:all).all?(&:readonly?)
  57     assert dev.projects.find(:all, :readonly => true).all?(&:readonly?)
  58   end
  59
  60   def test_has_many_find_readonly
  61     post = Post.find(1)
  62     assert !post.comments.empty?
  63     assert !post.comments.any?(&:readonly?)
  64     assert !post.comments.find(:all).any?(&:readonly?)
  65     assert post.comments.find(:all, :readonly => true).all?(&:readonly?)
  66   end
  67
  68   def test_has_many_with_through_is_not_implicitly_marked_readonly
  69     assert people = Post.find(1).people
  70     assert !people.any?(&:readonly?)
  71   end
  72
  73   def test_readonly_scoping
  74     Post.with_scope(:find => { :conditions => '1=1' }) do
  75       assert !Post.find(1).readonly?
  76       assert Post.find(1, :readonly => true).readonly?
  77       assert !Post.find(1, :readonly => false).readonly?
  78     end
  79
  80     Post.with_scope(:find => { :joins => '   ' }) do
  81       assert !Post.find(1).readonly?
  82       assert Post.find(1, :readonly => true).readonly?
  83       assert !Post.find(1, :readonly => false).readonly?
  84     end
  85
  86     # Oracle barfs on this because the join includes unqualified and
  87     # conflicting column names
  88     unless current_adapter?(:OracleAdapter)
  89       Post.with_scope(:find => { :joins => ', developers' }) do
  90         assert Post.find(1).readonly?
  91         assert Post.find(1, :readonly => true).readonly?
  92         assert !Post.find(1, :readonly => false).readonly?
  93       end
  94     end
  95
  96     Post.with_scope(:find => { :readonly => true }) do
  97       assert Post.find(1).readonly?
  98       assert Post.find(1, :readonly => true).readonly?
  99       assert !Post.find(1, :readonly => false).readonly?
 100     end
 101   end
 102
 103   def test_association_collection_method_missing_scoping_not_readonly
 104     assert !Developer.find(1).projects.foo.readonly?
 105     assert !Post.find(1).comments.foo.readonly?
 106   end
 107 end