JezK
Edit File: test_dirty.rb
require 'test_helper' class DirtyTest < Test::Unit::TestCase def setup @document = Doc { key :phrase, String } end context "marking changes" do should "not happen if there are none" do doc = @document.new doc.phrase_changed?.should be_false doc.phrase_change.should be_nil end should "happen when change happens" do doc = @document.new doc.phrase = 'Golly Gee Willikers Batman' doc.phrase_changed?.should be_true doc.phrase_was.should be_nil doc.phrase_change.should == [nil, 'Golly Gee Willikers Batman'] end should "happen when initializing" do doc = @document.new(:phrase => 'Foo') doc.changed?.should be_true end should "clear changes on save" do doc = @document.new doc.phrase = 'Golly Gee Willikers Batman' doc.phrase_changed?.should be_true doc.save doc.phrase_changed?.should_not be_true doc.phrase_change.should be_nil end should "clear changes on save!" do doc = @document.new doc.phrase = 'Golly Gee Willikers Batman' doc.phrase_changed?.should be_true doc.save! doc.phrase_changed?.should_not be_true doc.phrase_change.should be_nil end should "not happen when loading from database" do doc = @document.create(:phrase => 'Foo') doc = @document.find(doc.id) doc.changed?.should be_false doc.phrase = 'Fart' doc.changed?.should be_true doc.reload doc.changed?.should be_false end should "happen if changed after loading from database" do doc = @document.create(:phrase => 'Foo') doc.reload doc.changed?.should be_false doc.phrase = 'Bar' doc.changed?.should be_true end end context "blank new value and type integer" do should "not mark changes" do @document.key :age, Integer [nil, ''].each do |value| doc = @document.new doc.age = value doc.age_changed?.should be_false doc.age_change.should be_nil end end end context "blank new value and type float" do should "not mark changes" do @document.key :amount, Float [nil, ''].each do |value| doc = @document.new doc.amount = value doc.amount_changed?.should be_false doc.amount_change.should be_nil end end end context "changed?" do should "be true if key changed" do doc = @document.new doc.phrase = 'A penny saved is a penny earned.' doc.changed?.should be_true end should "be false if no keys changed" do @document.new.changed?.should be_false end should "not raise when key name is 'value'" do @document.key :value, Integer doc = @document.new doc.value_changed?.should be_false end end context "changes" do should "be empty hash if no changes" do @document.new.changes.should == {} end should "be hash of keys with values of changes if there are changes" do doc = @document.new doc.phrase = 'A penny saved is a penny earned.' doc.changes['phrase'].should == [nil, 'A penny saved is a penny earned.'] end end context "changed" do should "be empty array if no changes" do @document.new.changed.should == [] end should "be array of keys that have changed if there are changes" do doc = @document.new doc.phrase = 'A penny saved is a penny earned.' doc.changed.should == ['phrase'] end end context "will_change!" do should "mark changes" do doc = @document.create(:phrase => 'Foo') doc.phrase << 'bar' doc.phrase_changed?.should be_false doc.phrase_will_change! doc.phrase_changed?.should be_true doc.phrase_change.should == ['Foobar', 'Foobar'] doc.phrase << '!' doc.phrase_changed?.should be_true doc.phrase_change.should == ['Foobar', 'Foobar!'] end end context "changing a foreign key through association" do should "mark changes" do project_class = Doc do key :name, String end milestone_class = Doc do key :project_id, ObjectId key :name, String end milestone_class.belongs_to :project, :class => project_class milestone = milestone_class.create(:name => 'Launch') milestone.project = project_class.create(:name => 'Harmony') milestone.changed?.should be_true milestone.changed.should == %w(project_id) end end context "save with an invalid document" do should "not clear changes" do validated_class = Doc do key :name, String key :required, String, :required=>true end validated_doc = validated_class.new validated_doc.name = "I'm a changin" validated_doc.save validated_doc.changed?.should be_true validated_doc.required = 1 validated_doc.save validated_doc.changed?.should be_false end end context "changing an already changed attribute" do should "preserve the original value" do doc = @document.create(:a=>"b") doc.a = "c" doc.a_change.should == ["b","c"] doc.a = "d" doc.a_change.should == ["b","d"] end should "reset changes when set back to the original value" do doc = @document.create(:a=>"b") doc.a = "c" doc.a = "b" doc.changed?.should be_false end end context "reset_attribute!" do should "reset the attribute back to the previous value" do doc = @document.create(:a=>"b") doc.a = "c" doc.reset_a! doc.changed?.should be_false doc.a.should == "b" end should "reset the attribute back to the original value after several changes" do doc = @document.create(:a=>"b") doc.a = "c" doc.a = "d" doc.a = "e" doc.reset_a! doc.changed?.should be_false doc.a.should == "b" end end context "previous_changes" do should "reflect previously committed change" do doc = @document.create(:a=>"b") doc.a = "c" changes = doc.changes doc.save! doc.previous_changes.should == changes end should "not include attributes loaded from db" do doc = @document.create(:a => "b") @document.find(doc.id).previous_changes.should be_blank end end context "Embedded documents" do setup do @edoc = EDoc('Duck') { key :name, String } @edoc.plugin MongoMapper::Plugins::Dirty @document = Doc('Long') { key :name, String } @document.many :ducks, :class=>@edoc @doc = @document.new @duck = @doc.ducks.build end should "track changes" do @duck.name = "hi" @duck.changed?.should be_true end should "clear changes when saved" do @duck.name = "hi" @duck.changed?.should be_true @duck.save! @duck.changed?.should_not be_true end should "clear changes when the parent is saved" do @duck.name = "hi" @duck.changed?.should be_true @doc.save! @duck.changed?.should_not be_true end context "with nested embedded documents" do setup do @inner_edoc = EDoc('Dong') {key :name, String} @inner_edoc.plugin MongoMapper::Plugins::Dirty @edoc.many :dongs, :class=>@inner_edoc @dong = @duck.dongs.build end should "track changes" do @dong.name = "hi" @dong.changed?.should be_true end should "clear changes when the root saves" do @dong.name = "hi" @dong.changed?.should be_true @doc.save! @dong.changed?.should be_false end end end end