def test_flattenedtree(self): mei = MeiElement("mei") mus = MeiElement("music") body = MeiElement("body") staff = MeiElement("staff") staff2 = MeiElement("staff") n1 = MeiElement("note") n2 = MeiElement("note") n3 = MeiElement("note") doc = MeiDocument() mei.addChild(mus) doc.root = mei mus.addChild(body) body.addChild(staff) body.addChild(staff2) staff.addChild(n1) staff.addChild(n2) staff2.addChild(n3) doc.lookBack(n2, "mei") self.assertEqual(8, len(doc.getFlattenedTree())) staff.removeChild(n2) self.assertEqual(7, len(doc.getFlattenedTree())) self.assertEqual(staff2, doc.getFlattenedTree()[5]) staff.removeChildrenByName("note") self.assertEqual(6, len(doc.getFlattenedTree())) body.deleteAllChildren() self.assertEqual(3, len(doc.getFlattenedTree())) children = MeiElementList() staff3 = MeiElement("staff") staff4 = MeiElement("staff") children.append(staff3) children.append(staff4) body.children = children self.assertEqual(5, len(doc.getFlattenedTree())) elements = [mei, mus, body, staff3, staff4] for i,el in enumerate(doc.getFlattenedTree()): self.assertEqual(elements[i], doc.getFlattenedTree()[i])
def test_flattenedtree(self): mei = MeiElement("mei") mus = MeiElement("music") body = MeiElement("body") staff = MeiElement("staff") staff2 = MeiElement("staff") n1 = MeiElement("note") n2 = MeiElement("note") n3 = MeiElement("note") doc = MeiDocument() mei.addChild(mus) doc.root = mei mus.addChild(body) body.addChild(staff) body.addChild(staff2) staff.addChild(n1) staff.addChild(n2) staff2.addChild(n3) doc.lookBack(n2, "mei") self.assertEqual(8, len(doc.getFlattenedTree())) staff.removeChild(n2) self.assertEqual(7, len(doc.getFlattenedTree())) self.assertEqual(staff2, doc.getFlattenedTree()[5]) staff.removeChildrenByName("note") self.assertEqual(6, len(doc.getFlattenedTree())) body.deleteAllChildren() self.assertEqual(3, len(doc.getFlattenedTree())) children = MeiElementList() staff3 = MeiElement("staff") staff4 = MeiElement("staff") children.append(staff3) children.append(staff4) body.children = children self.assertEqual(5, len(doc.getFlattenedTree())) elements = [mei, mus, body, staff3, staff4] for i, el in enumerate(doc.getFlattenedTree()): self.assertEqual(elements[i], doc.getFlattenedTree()[i])
def test_removechildrenbyname(self): p = MeiElement("layer") el1 = MeiElement("note") el2 = MeiElement("note") el3 = MeiElement("chord") p.addChild(el1) p.addChild(el2) p.addChild(el3) self.assertEqual(3, len(p.children)) p.removeChildrenByName("note") self.assertEqual(1, len(p.children)) # check that el1 was not actually deleted self.assertTrue(el1)