# # Author:: Matthew Kent (<mkent@magoazul.com>) # Author:: Steve Midgley (http://www.misuse.org/science) # Copyright:: Copyright (c) 2010 Matthew Kent # Copyright:: Copyright (c) 2008 Steve Midgley # License:: Apache License, Version 2.0 # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # Notice: # This code is imported from deep_merge by Steve Midgley. deep_merge is # available under the MIT license from # http://trac.misuse.org/science/wiki/DeepMerge require 'spec_helper' # Test coverage from the original author converted to rspec describe Chef::Mixin::DeepMerge, "deep_merge!" do before do @dm = Chef::Mixin::DeepMerge @field_ko_prefix = '!merge' end # deep_merge core tests - moving from basic to more complex it "tests merging an hash w/array into blank hash" do hash_src = {'id' => '2'} hash_dst = {} @dm.deep_merge!(hash_src.dup, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == hash_src end it "tests merging an hash w/array into blank hash" do hash_src = {'region' => {'id' => ['227', '2']}} hash_dst = {} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == hash_src end it "tests merge from empty hash" do hash_src = {} hash_dst = {"property" => ["2","4"]} @dm.deep_merge!(hash_src, hash_dst) hash_dst.should == {"property" => ["2","4"]} end it "tests merge to empty hash" do hash_src = {"property" => ["2","4"]} hash_dst = {} @dm.deep_merge!(hash_src, hash_dst) hash_dst.should == {"property" => ["2","4"]} end it "tests simple string overwrite" do hash_src = {"name" => "value"} hash_dst = {"name" => "value1"} @dm.deep_merge!(hash_src, hash_dst) hash_dst.should == {"name" => "value"} end it "tests simple string overwrite of empty hash" do hash_src = {"name" => "value"} hash_dst = {} @dm.deep_merge!(hash_src, hash_dst) hash_dst.should == hash_src end it "tests hashes holding array" do hash_src = {"property" => ["1","3"]} hash_dst = {"property" => ["2","4"]} @dm.deep_merge!(hash_src, hash_dst) hash_dst.should == {"property" => ["2","4","1","3"]} end it "tests hashes holding array (sorted)" do hash_src = {"property" => ["1","3"]} hash_dst = {"property" => ["2","4"]} @dm.deep_merge!(hash_src, hash_dst, {:sort_merged_arrays => true}) hash_dst.should == {"property" => ["1","2","3","4"]} end it "tests hashes holding hashes holding arrays (array with duplicate elements is merged with dest then src" do hash_src = {"property" => {"bedroom_count" => ["1", "2"], "bathroom_count" => ["1", "4+"]}} hash_dst = {"property" => {"bedroom_count" => ["3", "2"], "bathroom_count" => ["2"]}} @dm.deep_merge!(hash_src, hash_dst) hash_dst.should == {"property" => {"bedroom_count" => ["3","2","1"], "bathroom_count" => ["2", "1", "4+"]}} end it "tests hash holding hash holding array v string (string is overwritten by array)" do hash_src = {"property" => {"bedroom_count" => ["1", "2"], "bathroom_count" => ["1", "4+"]}} hash_dst = {"property" => {"bedroom_count" => "3", "bathroom_count" => ["2"]}} @dm.deep_merge!(hash_src, hash_dst) hash_dst.should == {"property" => {"bedroom_count" => ["1", "2"], "bathroom_count" => ["2","1","4+"]}} end it "tests hash holding hash holding array v string (string is NOT overwritten by array)" do hash_src = {"property" => {"bedroom_count" => ["1", "2"], "bathroom_count" => ["1", "4+"]}} hash_dst = {"property" => {"bedroom_count" => "3", "bathroom_count" => ["2"]}} @dm.deep_merge!(hash_src, hash_dst, {:preserve_unmergeables => true}) hash_dst.should == {"property" => {"bedroom_count" => "3", "bathroom_count" => ["2","1","4+"]}} end it "tests hash holding hash holding string v array (array is overwritten by string)" do hash_src = {"property" => {"bedroom_count" => "3", "bathroom_count" => ["1", "4+"]}} hash_dst = {"property" => {"bedroom_count" => ["1", "2"], "bathroom_count" => ["2"]}} @dm.deep_merge!(hash_src, hash_dst) hash_dst.should == {"property" => {"bedroom_count" => "3", "bathroom_count" => ["2","1","4+"]}} end it "tests hash holding hash holding string v array (array does NOT overwrite string)" do hash_src = {"property" => {"bedroom_count" => "3", "bathroom_count" => ["1", "4+"]}} hash_dst = {"property" => {"bedroom_count" => ["1", "2"], "bathroom_count" => ["2"]}} @dm.deep_merge!(hash_src, hash_dst, {:preserve_unmergeables => true}) hash_dst.should == {"property" => {"bedroom_count" => ["1", "2"], "bathroom_count" => ["2","1","4+"]}} end it "tests hash holding hash holding hash v array (array is overwritten by hash)" do hash_src = {"property" => {"bedroom_count" => {"king_bed" => 3, "queen_bed" => 1}, "bathroom_count" => ["1", "4+"]}} hash_dst = {"property" => {"bedroom_count" => ["1", "2"], "bathroom_count" => ["2"]}} @dm.deep_merge!(hash_src, hash_dst) hash_dst.should == {"property" => {"bedroom_count" => {"king_bed" => 3, "queen_bed" => 1}, "bathroom_count" => ["2","1","4+"]}} end it "tests hash holding hash holding hash v array (array is NOT overwritten by hash)" do hash_src = {"property" => {"bedroom_count" => {"king_bed" => 3, "queen_bed" => 1}, "bathroom_count" => ["1", "4+"]}} hash_dst = {"property" => {"bedroom_count" => ["1", "2"], "bathroom_count" => ["2"]}} @dm.deep_merge!(hash_src, hash_dst, {:preserve_unmergeables => true}) hash_dst.should == {"property" => {"bedroom_count" => ["1", "2"], "bathroom_count" => ["2","1","4+"]}} end it "tests 3 hash layers holding integers (integers are overwritten by source)" do hash_src = {"property" => {"bedroom_count" => {"king_bed" => 3, "queen_bed" => 1}, "bathroom_count" => ["1", "4+"]}} hash_dst = {"property" => {"bedroom_count" => {"king_bed" => 2, "queen_bed" => 4}, "bathroom_count" => ["2"]}} @dm.deep_merge!(hash_src, hash_dst) hash_dst.should == {"property" => {"bedroom_count" => {"king_bed" => 3, "queen_bed" => 1}, "bathroom_count" => ["2","1","4+"]}} end it "tests 3 hash layers holding arrays of int (arrays are merged)" do hash_src = {"property" => {"bedroom_count" => {"king_bed" => [3], "queen_bed" => [1]}, "bathroom_count" => ["1", "4+"]}} hash_dst = {"property" => {"bedroom_count" => {"king_bed" => [2], "queen_bed" => [4]}, "bathroom_count" => ["2"]}} @dm.deep_merge!(hash_src, hash_dst) hash_dst.should == {"property" => {"bedroom_count" => {"king_bed" => [2,3], "queen_bed" => [4,1]}, "bathroom_count" => ["2","1","4+"]}} end it "tests 1 hash overwriting 3 hash layers holding arrays of int" do hash_src = {"property" => "1"} hash_dst = {"property" => {"bedroom_count" => {"king_bed" => [2], "queen_bed" => [4]}, "bathroom_count" => ["2"]}} @dm.deep_merge!(hash_src, hash_dst) hash_dst.should == {"property" => "1"} end it "tests 1 hash NOT overwriting 3 hash layers holding arrays of int" do hash_src = {"property" => "1"} hash_dst = {"property" => {"bedroom_count" => {"king_bed" => [2], "queen_bed" => [4]}, "bathroom_count" => ["2"]}} @dm.deep_merge!(hash_src, hash_dst, {:preserve_unmergeables => true}) hash_dst.should == {"property" => {"bedroom_count" => {"king_bed" => [2], "queen_bed" => [4]}, "bathroom_count" => ["2"]}} end it "tests 3 hash layers holding arrays of int (arrays are merged) but second hash's array is overwritten" do hash_src = {"property" => {"bedroom_count" => {"king_bed" => [3], "queen_bed" => [1]}, "bathroom_count" => "1"}} hash_dst = {"property" => {"bedroom_count" => {"king_bed" => [2], "queen_bed" => [4]}, "bathroom_count" => ["2"]}} @dm.deep_merge!(hash_src, hash_dst) hash_dst.should == {"property" => {"bedroom_count" => {"king_bed" => [2,3], "queen_bed" => [4,1]}, "bathroom_count" => "1"}} end it "tests 3 hash layers holding arrays of int (arrays are merged) but second hash's array is NOT overwritten" do hash_src = {"property" => {"bedroom_count" => {"king_bed" => [3], "queen_bed" => [1]}, "bathroom_count" => "1"}} hash_dst = {"property" => {"bedroom_count" => {"king_bed" => [2], "queen_bed" => [4]}, "bathroom_count" => ["2"]}} @dm.deep_merge!(hash_src, hash_dst, {:preserve_unmergeables => true}) hash_dst.should == {"property" => {"bedroom_count" => {"king_bed" => [2,3], "queen_bed" => [4,1]}, "bathroom_count" => ["2"]}} end it "tests 3 hash layers holding arrays of int, but one holds int. This one overwrites, but the rest merge" do hash_src = {"property" => {"bedroom_count" => {"king_bed" => 3, "queen_bed" => [1]}, "bathroom_count" => ["1"]}} hash_dst = {"property" => {"bedroom_count" => {"king_bed" => [2], "queen_bed" => [4]}, "bathroom_count" => ["2"]}} @dm.deep_merge!(hash_src, hash_dst) hash_dst.should == {"property" => {"bedroom_count" => {"king_bed" => 3, "queen_bed" => [4,1]}, "bathroom_count" => ["2","1"]}} end it "tests 3 hash layers holding arrays of int, but source is incomplete." do hash_src = {"property" => {"bedroom_count" => {"king_bed" => [3]}, "bathroom_count" => ["1"]}} hash_dst = {"property" => {"bedroom_count" => {"king_bed" => [2], "queen_bed" => [4]}, "bathroom_count" => ["2"]}} @dm.deep_merge!(hash_src, hash_dst) hash_dst.should == {"property" => {"bedroom_count" => {"king_bed" => [2,3], "queen_bed" => [4]}, "bathroom_count" => ["2","1"]}} end it "tests 3 hash layers holding arrays of int, but source is shorter and has new 2nd level ints." do hash_src = {"property" => {"bedroom_count" => {2=>3, "king_bed" => [3]}, "bathroom_count" => ["1"]}} hash_dst = {"property" => {"bedroom_count" => {"king_bed" => [2], "queen_bed" => [4]}, "bathroom_count" => ["2"]}} @dm.deep_merge!(hash_src, hash_dst) hash_dst.should == {"property" => {"bedroom_count" => {2=>3, "king_bed" => [2,3], "queen_bed" => [4]}, "bathroom_count" => ["2","1"]}} end it "tests 3 hash layers holding arrays of int, but source is empty" do hash_src = {} hash_dst = {"property" => {"bedroom_count" => {"king_bed" => [2], "queen_bed" => [4]}, "bathroom_count" => ["2"]}} @dm.deep_merge!(hash_src, hash_dst) hash_dst.should == {"property" => {"bedroom_count" => {"king_bed" => [2], "queen_bed" => [4]}, "bathroom_count" => ["2"]}} end it "tests 3 hash layers holding arrays of int, but dest is empty" do hash_src = {"property" => {"bedroom_count" => {2=>3, "king_bed" => [3]}, "bathroom_count" => ["1"]}} hash_dst = {} @dm.deep_merge!(hash_src, hash_dst) hash_dst.should == {"property" => {"bedroom_count" => {2=>3, "king_bed" => [3]}, "bathroom_count" => ["1"]}} end it "tests parameter management for knockout_prefix and overwrite unmergable" do hash_src = {"x" => 1} hash_dst = {"y" => 2} lambda { @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => ""}) }.should raise_error(Chef::Mixin::DeepMerge::InvalidParameter) lambda { @dm.deep_merge!(hash_src, hash_dst, {:preserve_unmergeables => true, :knockout_prefix => ""}) }.should raise_error(Chef::Mixin::DeepMerge::InvalidParameter) lambda { @dm.deep_merge!(hash_src, hash_dst, {:preserve_unmergeables => true, :knockout_prefix => @field_ko_prefix}) }.should raise_error(Chef::Mixin::DeepMerge::InvalidParameter) lambda { @dm.deep_merge!(@dm.deep_merge!(hash_src, hash_dst)) }.should_not raise_error(Chef::Mixin::DeepMerge::InvalidParameter) lambda { @dm.deep_merge!(hash_src, hash_dst, {:preserve_unmergeables => true}) }.should_not raise_error(Chef::Mixin::DeepMerge::InvalidParameter) end it "tests hash holding arrays of arrays" do hash_src = {["1", "2", "3"] => ["1", "2"]} hash_dst = {["4", "5"] => ["3"]} @dm.deep_merge!(hash_src, hash_dst) hash_dst.should == {["1","2","3"] => ["1", "2"], ["4", "5"] => ["3"]} end it "tests merging of hash with blank hash, and make sure that source array split still functions" do hash_src = {'property' => {'bedroom_count' => ["1","2,3"]}} hash_dst = {} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {'property' => {'bedroom_count' => ["1","2","3"]}} end it "tests merging of hash with blank hash, and make sure that source array split does not function when turned off" do hash_src = {'property' => {'bedroom_count' => ["1","2,3"]}} hash_dst = {} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix}) hash_dst.should == {'property' => {'bedroom_count' => ["1","2,3"]}} end it "tests merging into a blank hash with overwrite_unmergeables turned on" do hash_src = {"action"=>"browse", "controller"=>"results"} hash_dst = {} @dm.deep_merge!(hash_src, hash_dst, {:overwrite_unmergeables => true, :knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == hash_src end # KNOCKOUT_PREFIX testing # the next few tests are looking for correct behavior from specific real-world params/session merges # using the custom modifiers built for param/session merges [nil, ","].each do |ko_split| it "tests typical params/session style hash with knockout_merge elements" do hash_src = {"property"=>{"bedroom_count"=>[@field_ko_prefix+":1", "2", "3"]}} hash_dst = {"property"=>{"bedroom_count"=>["1", "2", "3"]}} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ko_split}) hash_dst.should == {"property"=>{"bedroom_count"=>["2", "3"]}} end it "tests typical params/session style hash with knockout_merge elements" do hash_src = {"property"=>{"bedroom_count"=>[@field_ko_prefix+":1", "2", "3"]}} hash_dst = {"property"=>{"bedroom_count"=>["3"]}} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ko_split}) hash_dst.should == {"property"=>{"bedroom_count"=>["3","2"]}} end it "tests typical params/session style hash with knockout_merge elements" do hash_src = {"property"=>{"bedroom_count"=>[@field_ko_prefix+":1", "2", "3"]}} hash_dst = {"property"=>{"bedroom_count"=>["4"]}} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ko_split}) hash_dst.should == {"property"=>{"bedroom_count"=>["4","2","3"]}} end it "tests typical params/session style hash with knockout_merge elements" do hash_src = {"property"=>{"bedroom_count"=>[@field_ko_prefix+":1", "2", "3"]}} hash_dst = {"property"=>{"bedroom_count"=>[@field_ko_prefix+":1", "4"]}} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ko_split}) hash_dst.should == {"property"=>{"bedroom_count"=>["4","2","3"]}} end it "tests typical params/session style hash with knockout_merge elements" do hash_src = {"amenity"=>{"id"=>[@field_ko_prefix+":1", @field_ko_prefix+":2", "3", "4"]}} hash_dst = {"amenity"=>{"id"=>["1", "2"]}} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ko_split}) hash_dst.should == {"amenity"=>{"id"=>["3","4"]}} end end it "tests special params/session style hash with knockout_merge elements in form src: [\"1\",\"2\"] dest:[\"@ko:1,@ko:2\", \"3,4\"]" do hash_src = {"amenity"=>{"id"=>[@field_ko_prefix+":1,"+@field_ko_prefix+":2", "3,4"]}} hash_dst = {"amenity"=>{"id"=>["1", "2"]}} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {"amenity"=>{"id"=>["3","4"]}} end it "tests same as previous but without ko_split value, this merge should fail" do hash_src = {"amenity"=>{"id"=>[@field_ko_prefix+":1,"+@field_ko_prefix+":2", "3,4"]}} hash_dst = {"amenity"=>{"id"=>["1", "2"]}} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix}) hash_dst.should == {"amenity"=>{"id"=>["1","2","3,4"]}} end it "tests special params/session style hash with knockout_merge elements in form src: [\"1\",\"2\"] dest:[\"@ko:1,@ko:2\", \"3,4\"]" do hash_src = {"amenity"=>{"id"=>[@field_ko_prefix+":1,2", "3,4", @field_ko_prefix+":5", "6"]}} hash_dst = {"amenity"=>{"id"=>["1", "2"]}} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {"amenity"=>{"id"=>["2","3","4","6"]}} end it "tests special params/session style hash with knockout_merge elements in form src: [\"@ko:1,@ko:2\", \"3,4\", \"@ko:5\", \"6\"] dest:[\"1,2\", \"3,4\"]" do hash_src = {"amenity"=>{"id"=>["#{@field_ko_prefix}:1,#{@field_ko_prefix}:2", "3,4", "#{@field_ko_prefix}:5", "6"]}} hash_dst = {"amenity"=>{"id"=>["1", "2", "3", "4"]}} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {"amenity"=>{"id"=>["3","4","6"]}} end it "unamed upstream - tbd" do hash_src = {"url_regions"=>[], "region"=>{"ids"=>["227,233"]}, "action"=>"browse", "task"=>"browse", "controller"=>"results"} hash_dst = {"region"=>{"ids"=>["227"]}} @dm.deep_merge!(hash_src.dup, hash_dst, {:overwrite_unmergeables => true, :knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {"url_regions"=>[], "region"=>{"ids"=>["227","233"]}, "action"=>"browse", "task"=>"browse", "controller"=>"results"} end it "unamed upstream - tbd" do hash_src = {"region"=>{"ids"=>[@field_ko_prefix,"227"], "id"=>"230"}} hash_dst = {"region"=>{"ids"=>["227", "233", "324", "230", "230"], "id"=>"230"}} @dm.deep_merge!(hash_src, hash_dst, {:overwrite_unmergeables => true, :knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {"region"=>{"ids"=>["227"], "id"=>"230"}} end it "unamed upstream - tbd" do hash_src = {"region"=>{"ids"=>[@field_ko_prefix,"227", "232", "233"], "id"=>"232"}} hash_dst = {"region"=>{"ids"=>["227", "233", "324", "230", "230"], "id"=>"230"}} @dm.deep_merge!(hash_src, hash_dst, {:overwrite_unmergeables => true, :knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {"region"=>{"ids"=>["227", "232", "233"], "id"=>"232"}} end it "unamed upstream - tbd" do hash_src = {"region"=>{"ids"=>["#{@field_ko_prefix},227,232,233"], "id"=>"232"}} hash_dst = {"region"=>{"ids"=>["227", "233", "324", "230", "230"], "id"=>"230"}} @dm.deep_merge!(hash_src, hash_dst, {:overwrite_unmergeables => true, :knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {"region"=>{"ids"=>["227", "232", "233"], "id"=>"232"}} end it "unamed upstream - tbd" do hash_src = {"region"=>{"ids"=>["#{@field_ko_prefix},227,232","233"], "id"=>"232"}} hash_dst = {"region"=>{"ids"=>["227", "233", "324", "230", "230"], "id"=>"230"}} @dm.deep_merge!(hash_src, hash_dst, {:overwrite_unmergeables => true, :knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {"region"=>{"ids"=>["227", "232", "233"], "id"=>"232"}} end it "unamed upstream - tbd" do hash_src = {"region"=>{"ids"=>["#{@field_ko_prefix},227"], "id"=>"230"}} hash_dst = {"region"=>{"ids"=>["227", "233", "324", "230", "230"], "id"=>"230"}} @dm.deep_merge!(hash_src, hash_dst, {:overwrite_unmergeables => true, :knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {"region"=>{"ids"=>["227"], "id"=>"230"}} end it "unamed upstream - tbd" do hash_src = {"region"=>{"ids"=>["#{@field_ko_prefix},227"], "id"=>"230"}} hash_dst = {"region"=>{"ids"=>["227", "233", "324", "230", "230"], "id"=>"230"}, "action"=>"browse", "task"=>"browse", "controller"=>"results", "property_order_by"=>"property_type.descr"} @dm.deep_merge!(hash_src, hash_dst, {:overwrite_unmergeables => true, :knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {"region"=>{"ids"=>["227"], "id"=>"230"}, "action"=>"browse", "task"=>"browse", "controller"=>"results", "property_order_by"=>"property_type.descr"} end it "unamed upstream - tbd" do hash_src = {"query_uuid"=>"6386333d-389b-ab5c-8943-6f3a2aa914d7", "region"=>{"ids"=>["#{@field_ko_prefix},227"], "id"=>"230"}} hash_dst = {"query_uuid"=>"6386333d-389b-ab5c-8943-6f3a2aa914d7", "url_regions"=>[], "region"=>{"ids"=>["227", "233", "324", "230", "230"], "id"=>"230"}, "action"=>"browse", "task"=>"browse", "controller"=>"results", "property_order_by"=>"property_type.descr"} @dm.deep_merge!(hash_src, hash_dst, {:overwrite_unmergeables => true, :knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {"query_uuid" => "6386333d-389b-ab5c-8943-6f3a2aa914d7", "url_regions"=>[], "region"=>{"ids"=>["227"], "id"=>"230"}, "action"=>"browse", "task"=>"browse", "controller"=>"results", "property_order_by"=>"property_type.descr"} end it "tests knock out entire dest hash if \"@ko\" is passed for source" do hash_src = {'amenity' => @field_ko_prefix} hash_dst = {"amenity" => "1"} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {'amenity' => ""} end it "tests knock out entire dest hash if \"@ko\" is passed for source" do hash_src = {'amenity' => [@field_ko_prefix]} hash_dst = {"amenity" => "1"} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {'amenity' => []} end it "tests knock out entire dest hash if \"@ko\" is passed for source" do hash_src = {'amenity' => @field_ko_prefix} hash_dst = {"amenity" => ["1"]} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {'amenity' => ""} end it "tests knock out entire dest hash if \"@ko\" is passed for source" do hash_src = {'amenity' => [@field_ko_prefix]} hash_dst = {"amenity" => ["1"]} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {'amenity' => []} end it "tests knock out entire dest hash if \"@ko\" is passed for source" do hash_src = {'amenity' => [@field_ko_prefix]} hash_dst = {"amenity" => "1"} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {'amenity' => []} end it "tests knock out entire dest hash if \"@ko\" is passed for source" do hash_src = {'amenity' => [@field_ko_prefix, "2"]} hash_dst = {'amenity' => ["1", "3", "7+"]} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {'amenity' => ["2"]} end it "tests knock out entire dest hash if \"@ko\" is passed for source" do hash_src = {'amenity' => [@field_ko_prefix, "2"]} hash_dst = {'amenity' => "5"} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {'amenity' => ['2']} end it "tests knock out entire dest hash if \"@ko\" is passed for source" do hash_src = {'amenity' => @field_ko_prefix} hash_dst = {"amenity"=>{"id"=>["1", "2", "3", "4"]}} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {'amenity' => ""} end it "tests knock out entire dest hash if \"@ko\" is passed for source" do hash_src = {'amenity' => [@field_ko_prefix]} hash_dst = {"amenity"=>{"id"=>["1", "2", "3", "4"]}} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {'amenity' => []} end it "tests knock out dest array if \"@ko\" is passed for source" do hash_src = {"region" => {'ids' => @field_ko_prefix}} hash_dst = {"region"=>{"ids"=>["1", "2", "3", "4"]}} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {'region' => {'ids' => ""}} end it "tests knock out dest array but leave other elements of hash intact" do hash_src = {"region" => {'ids' => @field_ko_prefix}} hash_dst = {"region"=>{"ids"=>["1", "2", "3", "4"], 'id'=>'11'}} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {'region' => {'ids' => "", 'id'=>'11'}} end it "tests knock out entire tree of dest hash" do hash_src = {"region" => @field_ko_prefix} hash_dst = {"region"=>{"ids"=>["1", "2", "3", "4"], 'id'=>'11'}} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {'region' => ""} end it "tests knock out entire tree of dest hash - retaining array format" do hash_src = {"region" => {'ids' => [@field_ko_prefix]}} hash_dst = {"region"=>{"ids"=>["1", "2", "3", "4"], 'id'=>'11'}} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {'region' => {'ids' => [], 'id'=>'11'}} end it "tests knock out entire tree of dest hash & replace with new content" do hash_src = {"region" => {'ids' => ["2", @field_ko_prefix, "6"]}} hash_dst = {"region"=>{"ids"=>["1", "2", "3", "4"], 'id'=>'11'}} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {'region' => {'ids' => ["2", "6"], 'id'=>'11'}} end it "tests knock out entire tree of dest hash & replace with new content" do hash_src = {"region" => {'ids' => ["7", @field_ko_prefix, "6"]}} hash_dst = {"region"=>{"ids"=>["1", "2", "3", "4"], 'id'=>'11'}} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {'region' => {'ids' => ["7", "6"], 'id'=>'11'}} end it "tests edge test: make sure that when we turn off knockout_prefix that all values are processed correctly" do hash_src = {"region" => {'ids' => ["7", @field_ko_prefix, "2", "6,8"]}} hash_dst = {"region"=>{"ids"=>["1", "2", "3", "4"], 'id'=>'11'}} @dm.deep_merge!(hash_src, hash_dst, {:unpack_arrays => ","}) hash_dst.should == {'region' => {'ids' => ["1", "2", "3", "4", "7", @field_ko_prefix, "6", "8"], 'id'=>'11'}} end it "tests edge test 2: make sure that when we turn off source array split that all values are processed correctly" do hash_src = {"region" => {'ids' => ["7", "3", @field_ko_prefix, "6,8"]}} hash_dst = {"region"=>{"ids"=>["1", "2", "3", "4"], 'id'=>'11'}} @dm.deep_merge!(hash_src, hash_dst) hash_dst.should == {'region' => {'ids' => ["1", "2", "3", "4", "7", @field_ko_prefix, "6,8"], 'id'=>'11'}} end it "tests Example: src = {'key' => \"@ko:1\"}, dst = {'key' => \"1\"} -> merges to {'key' => \"\"}" do hash_src = {"amenity"=>@field_ko_prefix+":1"} hash_dst = {"amenity"=>"1"} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix}) hash_dst.should == {"amenity"=>""} end it "tests Example: src = {'key' => \"@ko:1\"}, dst = {'key' => \"2\"} -> merges to {'key' => \"\"}" do hash_src = {"amenity"=>@field_ko_prefix+":1"} hash_dst = {"amenity"=>"2"} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix}) hash_dst.should == {"amenity"=>""} end it "tests Example: src = {'key' => \"@ko:1\"}, dst = {'key' => \"1\"} -> merges to {'key' => \"\"}" do hash_src = {"amenity"=>[@field_ko_prefix+":1"]} hash_dst = {"amenity"=>"1"} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix}) hash_dst.should == {"amenity"=>[]} end it "tests Example: src = {'key' => \"@ko:1\"}, dst = {'key' => \"1\"} -> merges to {'key' => \"\"}" do hash_src = {"amenity"=>[@field_ko_prefix+":1"]} hash_dst = {"amenity"=>["1"]} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix}) hash_dst.should == {"amenity"=>[]} end it "tests Example: src = {'key' => \"@ko:1\"}, dst = {'key' => \"1\"} -> merges to {'key' => \"\"}" do hash_src = {"amenity"=>@field_ko_prefix+":1"} hash_dst = {} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix}) hash_dst.should == {"amenity"=>""} end it "tests Example: src = {'key' => \"@ko:1\"}, dst = {'key' => \"1\"} -> merges to {'key' => \"\"}" do hash_src = {"amenity"=>@field_ko_prefix+":1"} hash_dst = {"amenity"=>["1"]} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix}) hash_dst.should == {"amenity"=>""} end it "tests are unmerged hashes passed unmodified w/out :unpack_arrays?" do hash_src = {"amenity"=>{"id"=>["26,27"]}} hash_dst = {} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix}) hash_dst.should == {"amenity"=>{"id"=>["26,27"]}} end it "tests hash should be merged" do hash_src = {"amenity"=>{"id"=>["26,27"]}} hash_dst = {} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {"amenity"=>{"id"=>["26","27"]}} end it "tests second merge of same values should result in no change in output" do hash_src = {"amenity"=>{"id"=>["26,27"]}} hash_dst = {} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {"amenity"=>{"id"=>["26","27"]}} end it "tests hashes with knockout values are suppressed" do hash_src = {"amenity"=>{"id"=>["#{@field_ko_prefix}:26,#{@field_ko_prefix}:27,28"]}} hash_dst = {} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {"amenity"=>{"id"=>["28"]}} end it "unamed upstream - tbd" do hash_src= {'region' =>{'ids'=>[@field_ko_prefix]}, 'query_uuid' => 'zzz'} hash_dst= {'region' =>{'ids'=>['227','2','3','3']}, 'query_uuid' => 'zzz'} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {'region' =>{'ids'=>[]}, 'query_uuid' => 'zzz'} end it "unamed upstream - tbd" do hash_src= {'region' =>{'ids'=>[@field_ko_prefix]}, 'query_uuid' => 'zzz'} hash_dst= {'region' =>{'ids'=>['227','2','3','3'], 'id' => '3'}, 'query_uuid' => 'zzz'} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {'region' =>{'ids'=>[], 'id'=>'3'}, 'query_uuid' => 'zzz'} end it "unamed upstream - tbd" do hash_src= {'region' =>{'ids'=>[@field_ko_prefix]}, 'query_uuid' => 'zzz'} hash_dst= {'region' =>{'muni_city_id' => '2244', 'ids'=>['227','2','3','3'], 'id'=>'3'}, 'query_uuid' => 'zzz'} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {'region' =>{'muni_city_id' => '2244', 'ids'=>[], 'id'=>'3'}, 'query_uuid' => 'zzz'} end it "unamed upstream - tbd" do hash_src= {'region' =>{'ids'=>[@field_ko_prefix], 'id' => '5'}, 'query_uuid' => 'zzz'} hash_dst= {'region' =>{'muni_city_id' => '2244', 'ids'=>['227','2','3','3'], 'id'=>'3'}, 'query_uuid' => 'zzz'} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {'region' =>{'muni_city_id' => '2244', 'ids'=>[], 'id'=>'5'}, 'query_uuid' => 'zzz'} end it "unamed upstream - tbd" do hash_src= {'region' =>{'ids'=>[@field_ko_prefix, '227'], 'id' => '5'}, 'query_uuid' => 'zzz'} hash_dst= {'region' =>{'muni_city_id' => '2244', 'ids'=>['227','2','3','3'], 'id'=>'3'}, 'query_uuid' => 'zzz'} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {'region' =>{'muni_city_id' => '2244', 'ids'=>['227'], 'id'=>'5'}, 'query_uuid' => 'zzz'} end it "unamed upstream - tbd" do hash_src= {'region' =>{'muni_city_id' => @field_ko_prefix, 'ids'=>@field_ko_prefix, 'id'=>'5'}, 'query_uuid' => 'zzz'} hash_dst= {'region' =>{'muni_city_id' => '2244', 'ids'=>['227','2','3','3'], 'id'=>'3'}, 'query_uuid' => 'zzz'} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {'region' =>{'muni_city_id' => '', 'ids'=>'', 'id'=>'5'}, 'query_uuid' => 'zzz'} end it "unamed upstream - tbd" do hash_src= {'region' =>{'muni_city_id' => @field_ko_prefix, 'ids'=>[@field_ko_prefix], 'id'=>'5'}, 'query_uuid' => 'zzz'} hash_dst= {'region' =>{'muni_city_id' => '2244', 'ids'=>['227','2','3','3'], 'id'=>'3'}, 'query_uuid' => 'zzz'} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {'region' =>{'muni_city_id' => '', 'ids'=>[], 'id'=>'5'}, 'query_uuid' => 'zzz'} end it "unamed upstream - tbd" do hash_src= {'region' =>{'muni_city_id' => @field_ko_prefix, 'ids'=>[@field_ko_prefix,'227'], 'id'=>'5'}, 'query_uuid' => 'zzz'} hash_dst= {'region' =>{'muni_city_id' => '2244', 'ids'=>['227','2','3','3'], 'id'=>'3'}, 'query_uuid' => 'zzz'} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {'region' =>{'muni_city_id' => '', 'ids'=>['227'], 'id'=>'5'}, 'query_uuid' => 'zzz'} end it "unamed upstream - tbd" do hash_src = {"muni_city_id"=>@field_ko_prefix, "id"=>""} hash_dst = {"muni_city_id"=>"", "id"=>""} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {"muni_city_id"=>"", "id"=>""} end it "unamed upstream - tbd" do hash_src = {"region"=>{"muni_city_id"=>@field_ko_prefix, "id"=>""}} hash_dst = {"region"=>{"muni_city_id"=>"", "id"=>""}} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {"region"=>{"muni_city_id"=>"", "id"=>""}} end it "unamed upstream - tbd" do hash_src = {"query_uuid"=>"a0dc3c84-ec7f-6756-bdb0-fff9157438ab", "url_regions"=>[], "region"=>{"muni_city_id"=>@field_ko_prefix, "id"=>""}, "property"=>{"property_type_id"=>"", "search_rate_min"=>"", "search_rate_max"=>""}, "task"=>"search", "run_query"=>"Search"} hash_dst = {"query_uuid"=>"a0dc3c84-ec7f-6756-bdb0-fff9157438ab", "url_regions"=>[], "region"=>{"muni_city_id"=>"", "id"=>""}, "property"=>{"property_type_id"=>"", "search_rate_min"=>"", "search_rate_max"=>""}, "task"=>"search", "run_query"=>"Search"} @dm.deep_merge!(hash_src, hash_dst, {:knockout_prefix => @field_ko_prefix, :unpack_arrays => ","}) hash_dst.should == {"query_uuid"=>"a0dc3c84-ec7f-6756-bdb0-fff9157438ab", "url_regions"=>[], "region"=>{"muni_city_id"=>"", "id"=>""}, "property"=>{"property_type_id"=>"", "search_rate_min"=>"", "search_rate_max"=>""}, "task"=>"search", "run_query"=>"Search"} end it "tests hash of array of hashes" do hash_src = {"item" => [{"1" => "3"}, {"2" => "4"}]} hash_dst = {"item" => [{"3" => "5"}]} @dm.deep_merge!(hash_src, hash_dst) hash_dst.should == {"item" => [{"3" => "5"}, {"1" => "3"}, {"2" => "4"}]} end # Additions since import it "should overwrite true with false when merging boolean values" do hash_src = {"valid" => false} hash_dst = {"valid" => true} @dm.deep_merge!(hash_src, hash_dst) hash_dst.should == {"valid" => false} end it "should overwrite false with true when merging boolean values" do hash_src = {"valid" => true} hash_dst = {"valid" => false} @dm.deep_merge!(hash_src, hash_dst) hash_dst.should == {"valid" => true} end it "should overwrite a string with an empty string when merging string values" do hash_src = {"item" => " "} hash_dst = {"item" => "orange"} @dm.deep_merge!(hash_src, hash_dst) hash_dst.should == {"item" => " "} end it "should overwrite an empty string with a string when merging string values" do hash_src = {"item" => "orange"} hash_dst = {"item" => " "} @dm.deep_merge!(hash_src, hash_dst) hash_dst.should == {"item" => "orange"} end end # deep_merge! # Chef specific describe Chef::Mixin::DeepMerge do before do @dm = Chef::Mixin::DeepMerge end describe "merge" do it "should merge a hash into an empty hash" do hash_dst = {} hash_src = {'id' => '2'} @dm.merge(hash_dst, hash_src).should == hash_src end it "should merge a nested hash into an empty hash" do hash_dst = {} hash_src = {'region' => {'id' => ['227', '2']}} @dm.merge(hash_dst, hash_src).should == hash_src end it "should overwrite as string value when merging hashes" do hash_dst = {"name" => "value1"} hash_src = {"name" => "value"} @dm.merge(hash_dst, hash_src).should == {"name" => "value"} end it "should merge arrays within hashes" do hash_dst = {"property" => ["2","4"]} hash_src = {"property" => ["1","3"]} @dm.merge(hash_dst, hash_src).should == {"property" => ["2","4","1","3"]} end it "should merge deeply nested hashes" do hash_dst = {"property" => {"values" => {"are" => "falling", "can" => "change"}}} hash_src = {"property" => {"values" => {"are" => "stable", "may" => "rise"}}} @dm.merge(hash_dst, hash_src).should == {"property" => {"values" => {"are" => "stable", "can" => "change", "may" => "rise"}}} end it "should not modify the source or destination during the merge" do hash_dst = {"property" => ["1","2","3"]} hash_src = {"property" => ["4","5","6"]} ret = @dm.merge(hash_dst, hash_src) hash_dst.should == {"property" => ["1","2","3"]} hash_src.should == {"property" => ["4","5","6"]} ret.should == {"property" => ["1","2","3","4","5","6"]} end it "should not knockout matching array value when merging arrays within hashes" do hash_dst = {"property" => ["2","4"]} hash_src = {"property" => ["1","!merge:4"]} hash_src_no_colon = {"property" => ["1","!merge"]} @dm.merge(hash_dst, hash_src).should == {"property" => ["2", "4", "1", "!merge:4"]} @dm.merge(hash_dst, hash_src_no_colon).should == {"property" => ["2", "4", "1", "!merge"]} end end describe "role_merge" do it "should knockout matching array value when merging arrays within hashes" do hash_dst = {"property" => ["2","4"]} hash_src = {"property" => ["1","!merge:4"]} @dm.role_merge(hash_dst, hash_src).should == {"property" => ["2","1"]} end it "should knockout all array values when merging arrays within hashes, leaving 2" do hash_dst = {"property" => ["2","4"]} hash_src = {"property" => ["!merge:","1","2"]} hash_src_no_colon = {"property" => ["!merge","1","2"]} @dm.role_merge(hash_dst, hash_src).should == {"property" => ["1","2"]} @dm.role_merge(hash_dst, hash_src_no_colon).should == {"property" => ["1","2"]} end it "should knockout all array values when merging arrays within hashes, leaving 0" do hash_dst = {"property" => ["2","4"]} hash_src = {"property" => ["!merge:"]} hash_src_no_colon = {"property" => ["!merge"]} @dm.role_merge(hash_dst, hash_src).should == {"property" => []} @dm.role_merge(hash_dst, hash_src_no_colon).should == {"property" => []} end it "should knockout matching array value when merging arrays within hashes" do hash_dst = {"property" => ["2","4"]} hash_src = {"property" => ["1","!merge:4"]} @dm.role_merge(hash_dst, hash_src).should == {"property" => ["2","1"]} end end end