spec/solid_spec.rb in triangular-0.0.1 vs spec/solid_spec.rb in triangular-0.0.2

@@ -77,9 +77,132 @@
     end
 
     it "should return a Polyline" do
       @solid.slice_at_z(0).should be_a Polyline
     end
+  end
+  
+  describe "#get_bounds" do
+    before do
+      @solid = Solid.parse(<<-EOD)
+        solid y-axis-spacer
+        facet normal 0.0 0.0 -1.0
+        outer loop
+        vertex -16.5 0.0 -0.75
+        vertex 0.0 -9.5 -0.75
+        vertex 0.0 0.0 -0.75
+        endloop
+        endfacet
+        facet normal -0.0 1.0 0.0
+        outer loop
+        vertex 0.0 -1.87 0.0
+        vertex 16.5 -1.87 -0.13
+        vertex 0.0 1.87 -0.13
+        endloop
+        endfacet
+        endsolid y-axis-spacer
+      EOD
+    end
     
+    it "should return an array" do
+      @solid.get_bounds.should be_a Array
+    end
     
+    it "should return a point with the smallest bounds" do
+      @solid.get_bounds[0].x.should == -16.5
+      @solid.get_bounds[0].y.should == -9.5
+      @solid.get_bounds[0].z.should == -0.75
+    end
+    
+    it "should return a point with the largest bounds" do
+      @solid.get_bounds[1].x.should == 16.5
+      @solid.get_bounds[1].y.should == 1.87
+      @solid.get_bounds[1].z.should == 0.0
+    end
+  end
+  
+  describe "#translate!" do
+    before do
+      @solid = Solid.parse(<<-EOD)
+        solid y-axis-spacer
+        facet normal 0.0 0.0 -1.0
+        outer loop
+        vertex -16.5 0.0 -0.75
+        vertex 0.0 -9.5 -0.75
+        vertex 0.0 0.0 -0.75
+        endloop
+        endfacet
+        facet normal -0.0 1.0 0.0
+        outer loop
+        vertex 0.0 -1.87 0.0
+        vertex 16.5 -1.87 -0.13
+        vertex 0.0 1.87 -0.13
+        endloop
+        endfacet
+        endsolid y-axis-spacer
+      EOD
+    end
+    
+    it "should call translate on each of it's Facets" do
+      @solid.facets[0].should_receive(:translate!).with(16.5, 9.5, 0.75)
+      @solid.facets[1].should_receive(:translate!).with(16.5, 9.5, 0.75)
+      
+      @solid.translate!(16.5, 9.5, 0.75)
+    end
+  end
+  
+  describe "#align_to_origin!" do
+    before do
+      @solid = Solid.parse(<<-EOD)
+        solid y-axis-spacer
+        facet normal 0.0 0.0 -1.0
+        outer loop
+        vertex -16.5 0.0 5.0
+        vertex 0.0 -9.5 10.0
+        vertex 0.0 0.0 5.0
+        endloop
+        endfacet
+        facet normal -0.0 1.0 0.0
+        outer loop
+        vertex 0.0 -1.87 5.0
+        vertex 16.5 -1.87 11.0
+        vertex 0.0 1.87 6.0
+        endloop
+        endfacet
+        endsolid y-axis-spacer
+      EOD
+    end
+    
+    it "should translate solid so the lowermost XYZ edges are all 0.0" do
+      @solid.should_receive(:translate!).with(16.5, 9.5, -5.0)
+      @solid.align_to_origin!
+    end
+  end
+  
+  describe "#center!" do
+    before do
+      @solid = Solid.parse(<<-EOD)
+        solid y-axis-spacer
+        facet normal 0.0 0.0 -1.0
+        outer loop
+        vertex -16.5 0.0 5.0
+        vertex 0.0 -9.5 10.0
+        vertex 0.0 0.0 5.0
+        endloop
+        endfacet
+        facet normal -0.0 1.0 0.0
+        outer loop
+        vertex 0.0 -1.87 5.0
+        vertex 17.5 -1.87 11.0
+        vertex 0.0 1.5 6.0
+        endloop
+        endfacet
+        endsolid y-axis-spacer
+      EOD
+    end
+    
+    it "should translate solid so the lowermost XYZ edges are all 0.0" do
+      @solid.should_receive(:translate!).with(-0.5, 4.0, -8.0)
+      @solid.center!
+    end
   end
 end
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