[OC-3564] move core Chef to the repo root \o/ \m/

The opscode/chef repository now only contains the core Chef library code
used by chef-client, knife and chef-solo!

1 files changed, 257 insertions, 0 deletions

diff --git a/spec/unit/resource_collection_spec.rb b/spec/unit/resource_collection_spec.rb
new file mode 100644
index 0000000000..909ba71e00
--- /dev/null
+++ b/spec/unit/resource_collection_spec.rb
@@ -0,0 +1,257 @@
+#
+# Author:: Adam Jacob (<adam@opscode.com>)
+# Author:: Christopher Walters (<cw@opscode.com>)
+# Copyright:: Copyright (c) 2008, 2009 Opscode, Inc.
+# 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.
+#
+
+require 'spec_helper'
+
+describe Chef::ResourceCollection do
+  
+  before(:each) do
+    @rc = Chef::ResourceCollection.new()
+    @resource = Chef::Resource::ZenMaster.new("makoto")
+  end
+  
+  describe "initialize" do
+    it "should return a Chef::ResourceCollection" do
+      @rc.should be_kind_of(Chef::ResourceCollection)
+    end
+  end
+  
+  describe "[]" do
+    it "should accept Chef::Resources through [index]" do
+      lambda { @rc[0] = @resource }.should_not raise_error
+      lambda { @rc[0] = "string" }.should raise_error
+    end
+    
+    it "should allow you to fetch Chef::Resources by position" do
+      @rc[0] = @resource
+      @rc[0].should eql(@resource)
+    end
+  end
+  
+  describe "push" do
+    it "should accept Chef::Resources through pushing" do
+      lambda { @rc.push(@resource) }.should_not raise_error
+      lambda { @rc.push("string") }.should raise_error
+    end
+  end
+  
+  describe "<<" do
+    it "should accept the << operator" do
+      lambda { @rc << @resource }.should_not raise_error
+    end
+  end
+  
+  describe "insert" do 
+    it "should accept only Chef::Resources" do
+      lambda { @rc.insert(@resource) }.should_not raise_error
+      lambda { @rc.insert("string") }.should raise_error
+    end
+    
+    it "should append resources to the end of the collection when not executing a run" do
+      zmr = Chef::Resource::ZenMaster.new("there is no spoon")
+      @rc.insert(@resource)
+      @rc.insert(zmr)
+      @rc[0].should eql(@resource)
+      @rc[1].should eql(zmr)
+    end
+    
+    it "should insert resources to the middle of the collection if called while executing a run" do
+      resource_to_inject = Chef::Resource::ZenMaster.new("there is no spoon")
+      zmr = Chef::Resource::ZenMaster.new("morpheus")
+      dummy = Chef::Resource::ZenMaster.new("keanu reeves")
+      @rc.insert(zmr)
+      @rc.insert(dummy)
+      
+      @rc.execute_each_resource do |resource|
+        @rc.insert(resource_to_inject) if resource == zmr
+      end
+      
+      @rc[0].should eql(zmr)
+      @rc[1].should eql(resource_to_inject)
+      @rc[2].should eql(dummy)
+    end
+  end
+
+  describe "each" do
+    it "should allow you to iterate over every resource in the collection" do
+      load_up_resources
+      results = Array.new
+      lambda { 
+        @rc.each do |r|
+          results << r.name
+        end
+      }.should_not raise_error
+      results.each_index do |i|
+        case i
+        when 0
+          results[i].should eql("dog")
+        when 1
+          results[i].should eql("cat")
+        when 2
+          results[i].should eql("monkey")
+        end
+      end
+    end
+  end
+  
+  describe "each_index" do
+    it "should allow you to iterate over every resource by index" do
+      load_up_resources
+      results = Array.new
+      lambda { 
+        @rc.each_index do |i|
+          results << @rc[i].name
+        end 
+      }.should_not raise_error()
+      results.each_index do |i|
+        case i
+        when 0
+          results[i].should eql("dog")
+        when 1
+          results[i].should eql("cat")
+        when 2
+          results[i].should eql("monkey")
+        end
+      end
+    end
+  end
+  
+  describe "lookup" do
+    it "should allow you to find resources by name via lookup" do
+      zmr = Chef::Resource::ZenMaster.new("dog")
+      @rc << zmr
+      @rc.lookup(zmr.to_s).should eql(zmr)
+
+      zmr = Chef::Resource::ZenMaster.new("cat")
+      @rc[0] = zmr
+      @rc.lookup(zmr).should eql(zmr)
+    
+      zmr = Chef::Resource::ZenMaster.new("monkey")
+      @rc.push(zmr)
+      @rc.lookup(zmr).should eql(zmr)
+    end
+  
+    it "should raise an exception if you send something strange to lookup" do
+      lambda { @rc.lookup(:symbol) }.should raise_error(ArgumentError)
+    end
+  
+    it "should raise an exception if it cannot find a resource with lookup" do
+      lambda { @rc.lookup("zen_master[dog]") }.should raise_error(Chef::Exceptions::ResourceNotFound)
+    end
+  end
+  
+  describe "resources" do
+
+    it "should find a resource by symbol and name (:zen_master => monkey)" do
+      load_up_resources
+      @rc.resources(:zen_master => "monkey").name.should eql("monkey")
+    end
+
+    it "should find a resource by symbol and array of names (:zen_master => [a,b])" do
+      load_up_resources
+      results = @rc.resources(:zen_master => [ "monkey", "dog" ])
+      results.length.should eql(2)
+      check_by_names(results, "monkey", "dog")
+    end
+
+    it "should find resources of multiple kinds (:zen_master => a, :file => b)" do
+      load_up_resources
+      results = @rc.resources(:zen_master => "monkey", :file => "something")
+      results.length.should eql(2)
+      check_by_names(results, "monkey", "something")
+    end
+
+    it "should find a resource by string zen_master[a]" do
+      load_up_resources
+      @rc.resources("zen_master[monkey]").name.should eql("monkey")
+    end
+
+    it "should find resources by strings of zen_master[a,b]" do
+      load_up_resources
+      results = @rc.resources("zen_master[monkey,dog]")
+      results.length.should eql(2)
+      check_by_names(results, "monkey", "dog")
+    end
+
+    it "should find resources of multiple types by strings of zen_master[a]" do
+      load_up_resources
+      results = @rc.resources("zen_master[monkey]", "file[something]")
+      results.length.should eql(2)
+      check_by_names(results, "monkey", "something")
+    end
+  
+    it "should raise an exception if you pass a bad name to resources" do
+      lambda { @rc.resources("michael jackson") }.should raise_error(ArgumentError)    
+    end
+  
+    it "should raise an exception if you pass something other than a string or hash to resource" do
+      lambda { @rc.resources([Array.new]) }.should raise_error(ArgumentError)
+    end
+
+    it "raises an error when attempting to find a resource that does not exist" do
+      lambda {@rc.find("script[nonesuch]")}.should raise_error(Chef::Exceptions::ResourceNotFound)
+    end
+
+  end
+  
+  describe "to_json" do
+    it "should serialize to json" do
+      json = @rc.to_json
+      json.should =~ /json_class/
+      json.should =~ /instance_vars/
+    end
+  end
+  
+  describe "self.from_json" do
+    it "should deserialize itself from json" do
+      @rc << @resource
+      json = @rc.to_json
+      s_rc = Chef::JSONCompat.from_json(json)
+      s_rc.should be_a_kind_of(Chef::ResourceCollection)
+      s_rc[0].name.should eql(@resource.name)
+    end
+  end
+  
+  describe "provides access to the raw resources array" do
+    it "returns the resources via the all_resources method" do
+      @rc.all_resources.should equal(@rc.instance_variable_get(:@resources))
+    end
+  end
+  
+  describe "provides access to stepable iterator" do
+    it "returns the iterator object" do
+      @rc.instance_variable_set(:@iterator, :fooboar)
+      @rc.iterator.should == :fooboar
+    end
+  end
+
+  def check_by_names(results, *names)
+    names.each do |res_name|
+      results.detect{ |res| res.name == res_name }.should_not eql(nil)
+    end
+  end
+  
+  def load_up_resources
+    %w{dog cat monkey}.each do |n|
+       @rc << Chef::Resource::ZenMaster.new(n)
+    end
+    @rc << Chef::Resource::File.new("something")
+  end
+    
+end