Add NodePaths specs.

lib/neography/rest/node_paths.rb

@@ -31,7 +31,7 @@ def get_all(from, to, relationships, depth, algorithm)
             "algorithm"     => get_algorithm(algorithm)
           }.to_json,
           :headers => json_content_type
-        } 
+        }
         @connection.post(all_path(:id => get_id(from)), options) || []
       end
 

spec/unit/rest/node_paths_spec.rb

@@ -0,0 +1,80 @@
+require 'spec_helper'
+
+module Neography
+  class Rest
+    describe NodePaths do
+
+      let(:connection) { stub(:configuration => "http://configuration") }
+      subject { NodePaths.new(connection) }
+
+      it "gets a shortest path between two nodes" do
+        expected_body = {
+          "to"            => "http://configuration/node/43",
+          "relationships" => "relationships",
+          "max_depth"     => 3,
+          "algorithm"     => "shortestPath"
+        }
+
+        connection.should_receive(:post).with("/node/42/path", json_match(:body, expected_body))
+
+        subject.get("42", "43", "relationships", 3, "shortestPath")
+      end
+
+      it "gets all shortest paths between two nodes" do
+        expected_body = {
+          "to"            => "http://configuration/node/43",
+          "relationships" => "relationships",
+          "max_depth"     => 3,
+          "algorithm"     => "shortestPath"
+        }
+
+        connection.should_receive(:post).with("/node/42/paths", json_match(:body, expected_body))
+
+        subject.get_all("42", "43", "relationships", 3, "shortestPath")
+      end
+
+      it "gets all shortest weighted paths between two nodes" do
+        expected_body = {
+          "to"            => "http://configuration/node/43",
+          "relationships" => "relationships",
+          "cost_property" => "cost",
+          "max_depth"     => 3,
+          "algorithm"     => "shortestPath"
+        }
+
+        connection.should_receive(:post).with("/node/42/paths", json_match(:body, expected_body))
+
+        subject.shortest_weighted("42", "43", "relationships", "cost", 3, "shortestPath")
+      end
+
+      context "algorithm" do
+
+        subject { NodePaths.new(nil) }
+
+        [ :shortest, "shortest", :shortestPath, "shortestPath", :short, "short" ].each do |algorithm|
+          it "parses shortestPath" do
+            subject.send(:get_algorithm, algorithm).should == "shortestPath"
+          end
+        end
+
+        [ :allSimplePaths, "allSimplePaths", :simple, "simple" ].each do |algorithm|
+          it "parses allSimplePaths" do
+            subject.send(:get_algorithm, algorithm).should == "allSimplePaths"
+          end
+        end
+
+        [ :dijkstra, "dijkstra" ].each do |algorithm|
+          it "parses dijkstra" do
+            subject.send(:get_algorithm, algorithm).should == "dijkstra"
+          end
+        end
+
+        it "parses allPaths by default" do
+          subject.send(:get_algorithm, "foo").should == "allPaths"
+        end
+
+      end
+
+    end
+  end
+end