spec/lang/commands/mover_cmd_spec.rb in gobstones-0.0.1.1 vs spec/lang/commands/mover_cmd_spec.rb in gobstones-0.0.2

@@ -1,38 +1,36 @@
 describe Mover do
 
-  let(:context) { ProgramExecutionContext.for double('GobstonesProgram') }
-  let(:north) { Norte.new }
-  let(:south) { Sur.new }
+  let(:context) { clean_context }
 
-  it "should run" do
-    Mover.new(north).evaluate(context)
+  it "moves the head to the specified direction when evaluating" do
+    Mover.new(norte).evaluate(context)
 
     expect(context.head.x_pos).to eq(0)
     expect(context.head.y_pos).to eq(1)
   end
 
-  it "should undo" do
-    cmd = Mover.new(north)
+  it "undoes the given movement" do
+    cmd = Mover.new norte
 
     cmd.evaluate context
     cmd.undo context
 
     expect(context.head.x_pos).to eq(0)
     expect(context.head.y_pos).to eq(0)
   end
 
-  it "should return opposite cmd" do
-    expect(Mover.new(north).opposite).to eq(Mover.new(south))
+  it "returns the opposite command" do
+    expect(Mover.new(norte).opposite).to eq(Mover.new(sur))
   end
 
-  it "should fail if types don't match" do
-    expect { Mover.new(Verde.new).evaluate(context) }.
+  it "fails if the argument is not a direction" do
+    expect { Mover.new(verde).evaluate(context) }.
       to raise_error(GobstonesTypeError, /is not a direction/)
   end
 
-  it "should fail when out of board" do
-    expect { Mover.new(south).evaluate(context) }.
+  it "fails when the resulting position is out of board" do
+    expect { Mover.new(sur).evaluate(context) }.
       to raise_error(OutOfBoardError)
   end
 
-end
\ No newline at end of file
+end