solutions_spec.rb in solve-0.5.0

- old
+ new

@@ -1,9 +1,9 @@
 require 'spec_helper'
 
 describe "Solutions" do
-  
+
   it "chooses the correct artifact for the demands" do
     graph = Solve::Graph.new
     graph.artifacts("mysql", "2.0.0")
     graph.artifacts("mysql", "1.2.0")
     graph.artifacts("nginx", "1.0.0").depends("mysql", "= 1.2.0")
@@ -16,17 +16,17 @@
   it "chooses the best artifact for the demands" do
     graph = Solve::Graph.new
     graph.artifacts("mysql", "2.0.0")
     graph.artifacts("mysql", "1.2.0")
     graph.artifacts("nginx", "1.0.0").depends("mysql", ">= 1.2.0")
-    
+
     result = Solve.it!(graph, [['nginx', '= 1.0.0'], ['mysql']])
 
     result.should eql("nginx" => "1.0.0", "mysql" => "2.0.0")
   end
 
-  it "raises NoSolutionError when a solution cannot be found" do    
+  it "raises NoSolutionError when a solution cannot be found" do
     graph = Solve::Graph.new
     graph.artifacts("mysql", "1.2.0")
 
     lambda {
       Solve.it!(graph, ['mysql', '>= 2.0.0'])
@@ -74,11 +74,11 @@
     graph.artifacts("B", "1.0.0").depends("C", "1.0.0")
     graph.artifacts("C", "1.0.0").depends("A", "1.0.0")
 
     result = Solve.it!(graph, [["A", "1.0.0"]])
 
-    result.should eql("A" => "1.0.0", 
+    result.should eql("A" => "1.0.0",
                       "B" => "1.0.0",
                       "C" => "1.0.0")
   end
 
   it "finds the correct solution when there is a p shaped depenency chain" do
@@ -88,11 +88,11 @@
     graph.artifacts("B", "1.0.0").depends("C", "1.0.0")
     graph.artifacts("C", "1.0.0").depends("B", "1.0.0")
 
     result = Solve.it!(graph, [["A", "1.0.0"]])
 
-    result.should eql("A" => "1.0.0", 
+    result.should eql("A" => "1.0.0",
                       "B" => "1.0.0",
                       "C" => "1.0.0")
   end
 
   it "finds the correct solution when there is a diamond shaped dependency" do
@@ -139,20 +139,20 @@
 
     # ensure we can't find a solution in the above
     graph.artifacts("D", "1.0.0").depends("A", "< 0.0.0")
 
     # Add a solution to the graph that should be reached only after
-    #   all of the others have been tried 
+    #   all of the others have been tried
     #   it must be circular to ensure that no other branch can find it
     graph.artifacts("A", "0.0.0").depends("B", "0.0.0")
     graph.artifacts("B", "0.0.0").depends("C", "0.0.0")
     graph.artifacts("C", "0.0.0").depends("D", "0.0.0")
     graph.artifacts("D", "0.0.0").depends("A", "0.0.0")
 
     demands = [["A"]]
 
     result = Solve.it!(graph, demands)
-    
+
     result.should eql({ "A" => "0.0.0",
                         "B" => "0.0.0",
                         "C" => "0.0.0",
                         "D" => "0.0.0"})
 