Allowing for null gemsets and null dependencies (avoid creating solo …

…gem for every project)

lib/gem_template/gems.rb

@@ -72,10 +72,10 @@ def gemset=(gemset)
             end
 
             @versions = (@gemsets[gemspec.name.to_sym] || {}).inject({}) do |hash, (key, value)|
-              if !value.is_a?(::Hash)
+              if !value.is_a?(::Hash) && value
                 hash[key] = value
               elsif key == @gemset
-                value.each { |k, v| hash[k] = v }
+                (value || {}).each { |k, v| hash[k] = v }
               end
               hash
             end
@@ -88,9 +88,9 @@ def gemset=(gemset)
 
         def gemset_names
           (
-            [ :default, :solo ] +
+            [ :default ] +
             @gemsets[gemspec.name.to_sym].inject([]) { |array, (key, value)|
-              array.push(key) if value.is_a?(::Hash)
+              array.push(key) if value.is_a?(::Hash) || value.nil?
               array
             }
           ).uniq
@@ -115,7 +115,7 @@ def deep_merge(first, second)
         end
 
         def dependency_filter(dependencies, match)
-          dependencies.inject([]) { |array, value|
+          (dependencies || []).inject([]) { |array, value|
             if value.is_a?(::Hash)
               array += value[match.to_s] if value[match.to_s]
             else

spec/fixtures/gemsets.yml

@@ -5,4 +5,5 @@ name:
     rspec: =1.3.1
   rspec2:
     mysql2: =0.2.6
-    rspec: =2.3.0
+    rspec: =2.3.0
+  solo: null

spec/fixtures/gemspec.yml

@@ -12,10 +12,4 @@ dependencies:
     - mysql
   - rspec2:
     - mysql2
-development_dependencies:
-  - default:
-    - mysql
-    - rspec
-  - rspec2:
-    - mysql2
-    - rspec
+development_dependencies: null

spec/gem_template/gems_spec.rb

@@ -64,7 +64,8 @@
             :rspec2 => {
               :mysql2 => "=0.2.6",
               :rspec => "=2.3.0"
-            }
+            },
+            :solo => nil
           }
         }
       end
@@ -80,7 +81,11 @@
 
       it "should return proper values for Gems.dependencies" do
         GemTemplate::Gems.dependencies.should == [ :rake, :mysql ]
-        GemTemplate::Gems.development_dependencies.should == [ :mysql, :rspec ]
+        GemTemplate::Gems.development_dependencies.should == []
+      end
+
+      it "should return proper values for Gems.gemset_names" do
+        GemTemplate::Gems.gemset_names.should == [ :default, :rspec2, :solo ]
       end
     end
 
@@ -105,7 +110,8 @@
             :rspec2 => {
               :mysql2=>"=0.2.6",
               :rspec => "=2.3.0"
-            }
+            },
+            :solo => nil
           }
         }
       end
@@ -120,7 +126,52 @@
 
       it "should return proper values for Gems.dependencies" do
         GemTemplate::Gems.dependencies.should == [ :rake, :mysql2 ]
-        GemTemplate::Gems.development_dependencies.should == [ :mysql2, :rspec ]
+        GemTemplate::Gems.development_dependencies.should == []
+      end
+
+      it "should return proper values for Gems.gemset_names" do
+        GemTemplate::Gems.gemset_names.should == [ :default, :rspec2, :solo ]
+      end
+    end
+
+    describe :solo do
+      before(:each) do
+        GemTemplate::Gems.gemset = :solo
+      end
+
+      it "should set @gemset" do
+        GemTemplate::Gems.gemset.should == :solo
+      end
+
+      it "should set @gemsets" do
+        GemTemplate::Gems.gemsets.should == {
+          :name => {
+            :rake => ">0.8.6",
+            :default => {
+              :externals => '=1.0.2',
+              :mysql => "=2.8.1",
+              :rspec => "=1.3.1"
+            },
+            :rspec2 => {
+              :mysql2=>"=0.2.6",
+              :rspec => "=2.3.0"
+            },
+            :solo => nil
+          }
+        }
+      end
+
+      it "should set Gems.versions" do
+        GemTemplate::Gems.versions.should == {:rake=>">0.8.6"}
+      end
+
+      it "should return proper values for Gems.dependencies" do
+        GemTemplate::Gems.dependencies.should == [:rake]
+        GemTemplate::Gems.development_dependencies.should == []
+      end
+
+      it "should return proper values for Gems.gemset_names" do
+        GemTemplate::Gems.gemset_names.should == [ :default, :rspec2, :solo ]
       end
     end
 
@@ -168,10 +219,7 @@
           { "default" => [ "mysql" ] },
           { "rspec2" => [ "mysql2" ] }
         ],
-        "development_dependencies" => [
-          { "default" => [ "mysql", "rspec" ] },
-          { "rspec2" => [ "mysql2", "rspec" ] }
-        ]
+        "development_dependencies" => nil
        }
     end
 
@@ -188,10 +236,7 @@
         { "default" => ["mysql"] },
         { "rspec2" => [ "mysql2" ] }
       ]
-      GemTemplate::Gems.gemspec.development_dependencies.should == [
-        { "default" => [ "mysql", "rspec" ] },
-        { "rspec2" => [ "mysql2", "rspec" ] }
-      ]
+      GemTemplate::Gems.gemspec.development_dependencies.should == nil
     end
 
     it "should produce a valid gemspec" do