Base: extend Placement/Rotation API

* Add Placement::isSame() and expose to Python
* Add Placement::multRight/Placement::multLeft
* Fix PlacementPy::rotate
* Add Rotation::multRight/Rotation::multLeft
* Add a test feature FeatureTestPlacement for uni tests
* Add unit tests

src/Mod/Part/TestPartApp.py

@@ -216,6 +216,29 @@ class PartTestNormals(unittest.TestCase):
     def tearDown(self):
         pass
 
+class PartTestShapeRotate(unittest.TestCase):
+    def testPlacement(self):
+        box = Part.makeBox(1, 1, 1)
+        box.Placement.Base = Base.Vector(10, 10, 10)
+        box.rotate((0, 0, 0), (0, 0, 1), 90)
+
+        p1 = Base.Placement()
+        p1.Base = Base.Vector(10, 10, 10)
+
+        p2 = Base.Placement()
+        p2.Rotation.Angle = math.radians(90)
+        self.assertTrue(box.Placement.isSame(p2 * p1))
+
+        p5 = p1.copy()
+        p5.rotate((0, 0, 0), (0, 0, 1), 90)
+        self.assertTrue(p5.isSame(p1 * p2))
+        self.assertFalse(box.Placement.isSame(p5))
+
+        p5 = p1.copy()
+        p5.rotate((0, 0, 0), (0, 0, 1), 90, True)
+        self.assertTrue(p5.isSame(p2 * p1))
+        self.assertTrue(box.Placement.isSame(p5))
+
 class PartTestCircle2D(unittest.TestCase):
     def testValidCircle(self):
         p1 = App.Base.Vector2d(0.01, 0.01)

src/Mod/Test/BaseTests.py

@@ -22,6 +22,7 @@
 #***************************************************************************/
 
 import FreeCAD, os, unittest, tempfile, math
+from FreeCAD import Base
 
 class ConsoleTestCase(unittest.TestCase):
     def setUp(self):
@@ -381,6 +382,27 @@ class AlgebraTestCase(unittest.TestCase):
         self.assertFalse(b.intersected(FreeCAD.BoundBox(4,4,4,6,6,6)).isValid(),"Bbox should not intersect with Bbox outside")
         self.assertEqual(b.intersected(FreeCAD.BoundBox(-2,-2,-2,2,2,2)).Center, b.Center,"Bbox is not a full subset")
 
+    def testMultLeftOrRight(self):
+        doc = FreeCAD.newDocument()
+        obj = doc.addObject("App::FeatureTestPlacement")
+
+        p1 = Base.Placement()
+        p1.Base = Base.Vector(10, 10, 10)
+
+        p2 = Base.Placement()
+        p2.Rotation.Angle = math.radians(90)
+
+        obj.Input1 = p1
+        obj.Input2 = p2
+        doc.recompute()
+
+        self.assertTrue(obj.MultRight.isSame(p1 * p2))
+        self.assertFalse(obj.MultRight.isSame(p2 * p1))
+        self.assertTrue(obj.MultLeft.isSame(p2 * p1))
+        self.assertFalse(obj.MultLeft.isSame(p1 * p2))
+
+        FreeCAD.closeDocument(doc.Name)
+
 class MatrixTestCase(unittest.TestCase):
     def setUp(self):
         self.mat = FreeCAD.Matrix()