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immortal_spec.rb
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immortal_spec.rb
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require File.dirname(__FILE__) + '/spec_helper'
describe Immortal do
before do
@m = ImmortalModel.create! :title => 'testing immortal'
end
it "should not be deleted from the database using #destroy" do
expect {
@m.destroy
}.to_not change(ImmortalModel, :count_with_deleted)
end
it "should be frozen using #destroy" do
@m.destroy
@m.should be_frozen
end
it "should not be dirty using #destroy" do
@m.destroy
@m.should_not be_changed
end
it "should be deleted from the database using #destroy!" do
expect {
@m.destroy!
}.to change(ImmortalModel, :count_with_deleted)
end
it "should find non deleted records" do
ImmortalModel.first.should == @m
ImmortalModel.all.should include(@m)
end
it "should not find deleted records" do
@m.destroy
ImmortalModel.first.should be_nil
ImmortalModel.all.should be_empty
end
it "should find deleted records using the old method" do
ImmortalModel.find_with_deleted(@m.id).should == @m
@m.destroy
ImmortalModel.find_with_deleted(@m.id).should == @m
end
it "should count undeleted records by default" do
@m2 = ImmortalModel.create! :title => 'testing immortal again'
ImmortalModel.count_only_deleted.should == 0
@m.destroy
ImmortalModel.count_only_deleted.should == 1
end
it "should find only deleted records" do
@m2 = ImmortalModel.create! :title => 'testing immortal again'
expect {
ImmortalModel.find_only_deleted(@m.id)
}.to raise_error(ActiveRecord::RecordNotFound)
@m.destroy
ImmortalModel.find_only_deleted(@m.id).should == @m
expect {
ImmortalModel.find_only_deleted(@m2.id)
}.to raise_error(ActiveRecord::RecordNotFound)
end
it "should be able to count undeleted records" do
@m2 = ImmortalModel.create! :title => 'testing immortal again'
ImmortalModel.count.should == 2
@m.destroy
ImmortalModel.count.should == 1
end
it "should be able to count all the records including deleted" do
@m2 = ImmortalModel.create! :title => 'testing immortal again'
@m.destroy
ImmortalModel.count_with_deleted.should == 2
end
it "should not exist if deleted" do
ImmortalModel.exists?(@m.id).should be_true
@m.destroy
ImmortalModel.exists?(@m.id).should be_false
end
it "should calculate without deleted" do
@m2 = ImmortalModel.create! :value => 10
@m3 = ImmortalModel.create! :value => 20
ImmortalModel.calculate(:sum, :value).should == 30
@m2.destroy
ImmortalModel.calculate(:sum, :value).should == 20
end
it "should execute the before_destroy callback when immortally destroyed" do
@m.destroy
@m.before_d.should be_true
end
it "should execute the after_destroy callback when immortally destroyed" do
@m.destroy
@m.after_d.should be_true
end
it "should not execute the before_update callback when immortally destroyed" do
@m.destroy
@m.before_u.should be_nil
end
it "should not execute the after_update callback when immortally destroyed" do
@m.destroy
@m.after_u.should be_nil
end
it "should not execute the before_destroy callback when immortally destroyed without callbacks" do
@m.destroy_without_callbacks
@m.before_d.should be_nil
end
it "should not execute the after_destroy callback when immortally destroyed without callbacks" do
@m.destroy_without_callbacks
@m.after_d.should be_nil
end
it "should immortally delete all records with delete_all" do
expect {
ImmortalModel.delete_all
}.to change(ImmortalModel, :count).by(-1)
ImmortalModel.count_with_deleted.should == 1
end
it "should immortally delete all records with delete_all!" do
expect {
ImmortalModel.delete_all!
}.to change(ImmortalModel, :count_with_deleted).by(-1)
end
it "should know if it's deleted" do
@m.should_not be_deleted
@m.destroy
@m.should be_deleted
end
it "should be recoverable" do
@m.destroy
@m = ImmortalModel.find_with_deleted(@m.id)
@m.recover!
@m.should_not be_frozen
@m.should_not be_changed
ImmortalModel.first.should == @m
end
it "should consider an object with deleted = nil as not deleted" do
@m2 = ImmortalModel.create! :deleted => nil
@m2.deleted.should be_nil
@m2.should_not be_deleted
ImmortalModel.count.should == 2
end
it "should consider an Many-to-many association with through as deleted when the join is deleted." do
@n = ImmortalNode.create! :title => 'testing association'
@join = ImmortalJoin.create! :immortal_model => @m, :immortal_node => @n
@m.nodes.count.should == 1
@n.models.count.should == 1
@join.destroy
@m.nodes.count.should == 0
@n.models.count.should == 0
end
it "should only immortally delete scoped associations, NOT ALL RECORDS" do
n1 = ImmortalNode.create! :title => 'testing association 1'
j1 = ImmortalJoin.create! :immortal_model => @m, :immortal_node => n1
n2 = ImmortalNode.create! :title => 'testing association 2'
j2 = ImmortalJoin.create! :immortal_model => @m, :immortal_node => n2
n3 = ImmortalNode.create! :title => 'testing association 3'
j3 = ImmortalJoin.create! :immortal_node => n3
@m.destroy
[n1,n2,j1,j2].all? {|r| r.reload.deleted?}.should be_true
[n3,j3].all? {|r| !r.reload.deleted?}.should be_true
end
it "should properly generate joins" do
join_sql1 = 'INNER JOIN "immortal_joins" ON "immortal_joins"."immortal_node_id" = "immortal_nodes"."id"'
join_sql2 = 'INNER JOIN "immortal_models" ON "immortal_models"."id" = "immortal_joins"."immortal_model_id"'
generated_sql = ImmortalNode.joins(:immortal_models).to_sql
generated_sql.should include(join_sql1)
generated_sql.should include(join_sql2)
end
it "should reload immortal polymorphic associations using default reader" do
node = ImmortalNode.create! :title => 'testing association 1'
target_1 = ImmortalSomeTarget.create! :title => 'target 1'
target_2 = ImmortalSomeOtherTarget.create! :title => 'target 2'
node.target.should be_nil
node.target = target_1
node.target.should == target_1
node.target_id = target_2.id
node.target_type = target_2.class.name
target_2.destroy
node.target.should be_nil
end
it "should reload immortal polymorphic associations using deleted reader" do
#setup
node = ImmortalNode.create! :title => 'testing association 1'
target_1 = ImmortalSomeTarget.create! :title => 'target 1'
target_2 = ImmortalSomeOtherTarget.create! :title => 'target 2'
#confirm initial state
node.target.should be_nil
#load target & confirm
node.target = target_1
node.target.should == target_1
#switch target indirectly
node.target_id = target_2.id
node.target_type = target_2.class.name
#don't assign directly and destroy new target
target_2.destroy
#Ask for deleted target (or not deleted). Will NOT cache
# Run this before default accessor to test scope has been reset.
node.target_with_deleted.should == target_2
#Respect what's expected
node.target.should be_nil
#Ask only for deleted target. Will NOT cache
node.target_only_deleted.should == target_2
#Confirm we haven't invaded the target namespace
node.target.should be_nil
end
it "should reload immortal polymorphic associations using deleted reader (direct assignment)" do
#setup
node = ImmortalNode.create! :title => 'testing association 1'
target_1 = ImmortalSomeTarget.create! :title => 'target 1'
target_2 = ImmortalSomeOtherTarget.create! :title => 'target 2'
#confirm initial state
node.target.should be_nil
#load target & confirm
node.target = target_1
node.target.should == target_1
#switch target directly
node.target = target_2
node.target.should == target_2
node.target_with_deleted.should == target_2
#don't assign directly and destroy new target
target_2.destroy
#Respect what's expected
node.target(true).should be_nil
#Ask for deleted target (or not deleted). Will NOT cache
node.target_with_deleted.should == target_2
#Confirm we haven't invaded the target namespace
node.target.should be_nil
end
it "deleted readers should respect staleness" do
#setup
node = ImmortalNode.create! :title => 'testing association 1'
target_1 = ImmortalSomeTarget.create! :title => 'target 1'
target_2 = ImmortalSomeOtherTarget.create! :title => 'target 2'
#confirm initial state
node.target.should be_nil
node.target_with_deleted.should be_nil
node.target_only_deleted.should be_nil
#load target & confirm
node.target = target_1
node.target.should == target_1
node.target_with_deleted.should == target_1
node.target_only_deleted.should be_nil
#switch target directly
node.target = target_2
node.target.should == target_2
node.target_with_deleted.should == target_2
#don't assign directly and destroy new target
target_2.destroy
#Respect what's expected
node.target(true).should be_nil
#Ask for deleted target (or not deleted).
node.target_with_deleted.should == target_2
node.target_only_deleted.should == target_2
#Confirm we haven't invaded the target namespace
node.target.should be_nil
node.target_id = target_1.id
node.target_type = target_1.class.name
node.target.should == target_1
node.target_with_deleted.should == target_1
node.target_only_deleted.should be_nil
end
it "should not unscope associations when using with_deleted scope" do
m1 = ImmortalModel.create! :title => 'previously created model'
n1 = ImmortalNode.create! :title => 'previously created association'
j1 = ImmortalJoin.create! :immortal_model => m1, :immortal_node => n1
@n = ImmortalNode.create! :title => 'testing association'
@join = ImmortalJoin.create! :immortal_model => @m, :immortal_node => @n
@join.destroy
@m.nodes.count.should == 0
@n.joins.count.should == 0
@m.nodes.count_with_deleted.should == 1
@n.joins.count_with_deleted.should == 1
end
it "should not unscope associations when using only_deleted scope" do
m1 = ImmortalModel.create! :title => 'previously created model'
n1 = ImmortalNode.create! :title => 'previously created association'
j1 = ImmortalJoin.create! :immortal_model => m1, :immortal_node => n1
@n = ImmortalNode.create! :title => 'testing association'
@join = ImmortalJoin.create! :immortal_model => @m, :immortal_node => @n
@join.destroy
@m.nodes.count.should == 0
@n.joins.count.should == 0
@m.nodes.count_only_deleted
@m.nodes.count_only_deleted.should == 1
@n.joins.count_only_deleted.should == 1
end
end