forked from mongodb/mongoid
/
array_spec.rb
184 lines (146 loc) · 3.68 KB
/
array_spec.rb
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require "spec_helper"
describe Mongoid::Fields::Internal::ForeignKeys::Array do
describe "#add_atomic_changes" do
let(:field) do
described_class.instantiate(
:vals,
:metadata => Person.relations["preferences"],
:type => Array,
:default => [],
:identity => true
)
end
let(:person) do
Person.new
end
let(:preference_one) do
Preference.new
end
let(:preference_two) do
Preference.new
end
let(:preference_three) do
Preference.new
end
let(:mods) do
{}
end
before do
person.preferences.concat(preference_one, preference_three)
end
context "when adding and removing" do
before do
field.add_atomic_changes(
person, "preference_ids", "preference_ids", mods, [ preference_three.id ], [ preference_two.id ]
)
end
it "adds the current to the modifications" do
mods["preference_ids"].should eq(
[ preference_one.id, preference_three.id ]
)
end
end
end
describe "#eval_default" do
let(:default) do
[ BSON::ObjectId.new ]
end
let(:field) do
described_class.instantiate(
:vals,
:metadata => Person.relations["posts"],
:type => Array,
:default => default,
:identity => true
)
end
it "dups the default value" do
field.eval_default(nil).should_not equal(default)
end
it "returns the correct value" do
field.eval_default(nil).should == default
end
end
describe "#foreign_key?" do
let(:field) do
described_class.instantiate(
:vals,
:metadata => Person.relations["posts"],
:type => Array,
:default => [],
:identity => true
)
end
it "returns true" do
field.should be_foreign_key
end
end
describe "#serialize" do
context "when the array is object ids" do
let(:metadata) do
Mongoid::Relations::Metadata.new(
:inverse_class_name => "Game",
:name => :person,
:relation => Mongoid::Relations::Referenced::In
)
end
let(:field) do
described_class.instantiate(
:vals,
:type => Array,
:default => [],
:identity => true,
:metadata => metadata
)
end
context "when provided nil" do
it "returns an empty array" do
field.serialize(nil).should eq([])
end
end
context "when provided an empty array" do
let(:array) do
[]
end
it "returns an empty array" do
field.serialize(array).should eq(array)
end
it "returns the same instance" do
field.serialize(array).should equal(array)
end
end
context "when using object ids" do
let(:object_id) do
BSON::ObjectId.new
end
it "performs conversion on the ids if strings" do
field.serialize([object_id.to_s]).should == [object_id]
end
end
context "when not using object ids" do
let(:object_id) do
BSON::ObjectId.new
end
before do
Person.field(
:_id,
type: String,
pre_processed: true,
default: ->{ BSON::ObjectId.new.to_s }
)
end
after do
Person.field(
:_id,
type: BSON::ObjectId,
pre_processed: true,
default: ->{ BSON::ObjectId.new }
)
end
it "does not convert" do
field.serialize([object_id.to_s]).should == [object_id.to_s]
end
end
end
end
end