def testBounds(self):
pr = QgsProject()
l = QgsLayout(pr)
p = QPolygonF()
p.append(QPointF(50.0, 30.0))
p.append(QPointF(100.0, 10.0))
p.append(QPointF(200.0, 100.0))
shape = QgsLayoutItemPolyline(p, l)
props = {}
props["color"] = "255,0,0,255"
props["width"] = "6.0"
props["capstyle"] = "square"
style = QgsLineSymbol.createSimple(props)
shape.setSymbol(style)
# scene bounding rect should include symbol outline
bounds = shape.sceneBoundingRect()
self.assertEqual(bounds.left(), 47.0)
self.assertEqual(bounds.right(), 203.0)
self.assertEqual(bounds.top(), 7.0)
self.assertEqual(bounds.bottom(), 103.0)
# rectWithFrame should include symbol outline too
bounds = shape.rectWithFrame()
self.assertEqual(bounds.left(), -3.0)
self.assertEqual(bounds.right(), 153.0)
self.assertEqual(bounds.top(), -3.0)
self.assertEqual(bounds.bottom(), 93.0)
def testReadWriteXml(self):
pr = QgsProject()
l = QgsLayout(pr)
p = QPolygonF()
p.append(QPointF(0.0, 0.0))
p.append(QPointF(100.0, 0.0))
p.append(QPointF(200.0, 100.0))
shape = QgsLayoutItemPolyline(p, l)
props = {}
props["color"] = "255,0,0,255"
props["width"] = "10.0"
props["capstyle"] = "square"
style = QgsLineSymbol.createSimple(props)
shape.setSymbol(style)
#save original item to xml
doc = QDomDocument("testdoc")
elem = doc.createElement("test")
self.assertTrue(shape.writeXml(elem, doc, QgsReadWriteContext()))
shape2 = QgsLayoutItemPolyline(l)
self.assertTrue(shape2.readXml(elem.firstChildElement(), doc, QgsReadWriteContext()))
self.assertEqual(shape2.nodes(), shape.nodes())
self.assertEqual(shape2.symbol().symbolLayer(0).color().name(), '#ff0000')
def testHorizontalLine(self):
pr = QgsProject()
l = QgsLayout(pr)
l.initializeDefaults()
p = QPolygonF()
p.append(QPointF(50.0, 100.0))
p.append(QPointF(100.0, 100.0))
shape = QgsLayoutItemPolyline(p, l)
l.addLayoutItem(shape)
props = {}
props["color"] = "0,0,0,255"
props["width"] = "10.0"
props["capstyle"] = "square"
style = QgsLineSymbol.createSimple(props)
shape.setSymbol(style)
checker = QgsLayoutChecker('composerpolyline_hozline', l)
checker.setControlPathPrefix("composer_polyline")
myTestResult, myMessage = checker.testLayout()
assert myTestResult, myMessage
def testVerticalLine(self):
pr = QgsProject()
l = QgsLayout(pr)
l.initializeDefaults()
p = QPolygonF()
p.append(QPointF(100.0, 50.0))
p.append(QPointF(100.0, 100.0))
shape = QgsLayoutItemPolyline(p, l)
l.addLayoutItem(shape)
props = {}
props["color"] = "0,0,0,255"
props["width"] = "10.0"
props["capstyle"] = "square"
style = QgsLineSymbol.createSimple(props)
shape.setSymbol(style)
checker = QgsLayoutChecker(
'composerpolyline_vertline', l)
checker.setControlPathPrefix("composer_polyline")
myTestResult, myMessage = checker.testLayout()
assert myTestResult, myMessage
class TestQgsLayoutPolyline(unittest.TestCase, LayoutItemTestCase):
@classmethod
def setUpClass(cls):
cls.item_class = QgsLayoutItemPolyline
def __init__(self, methodName):
"""Run once on class initialization."""
unittest.TestCase.__init__(self, methodName)
# create composition
self.layout = QgsLayout(QgsProject.instance())
self.layout.initializeDefaults()
# create
polygon = QPolygonF()
polygon.append(QPointF(0.0, 0.0))
polygon.append(QPointF(100.0, 0.0))
polygon.append(QPointF(200.0, 100.0))
polygon.append(QPointF(100.0, 200.0))
self.polyline = QgsLayoutItemPolyline(polygon, self.layout)
self.layout.addLayoutItem(self.polyline)
# style
props = {}
props["color"] = "0,0,0,255"
props["width"] = "10.0"
props["capstyle"] = "square"
style = QgsLineSymbol.createSimple(props)
self.polyline.setSymbol(style)
def testNodes(self):
polygon = QPolygonF()
polygon.append(QPointF(0.0, 0.0))
polygon.append(QPointF(100.0, 0.0))
polygon.append(QPointF(200.0, 100.0))
polygon.append(QPointF(100.0, 200.0))
p = QgsLayoutItemPolyline(polygon, self.layout)
self.assertEqual(p.nodes(), polygon)
polygon = QPolygonF()
polygon.append(QPointF(0.0, 0.0))
polygon.append(QPointF(1000.0, 0.0))
polygon.append(QPointF(2000.0, 100.0))
polygon.append(QPointF(1000.0, 200.0))
p.setNodes(polygon)
self.assertEqual(p.nodes(), polygon)
def testDisplayName(self):
"""Test if displayName is valid"""
self.assertEqual(self.polyline.displayName(), "<Polyline>")
def testType(self):
"""Test if type is valid"""
self.assertEqual(self.polyline.type(),
QgsLayoutItemRegistry.LayoutPolyline)
def testDefaultStyle(self):
"""Test polygon rendering with default style."""
self.polyline.setDisplayNodes(False)
checker = QgsLayoutChecker('composerpolyline_defaultstyle',
self.layout)
checker.setControlPathPrefix("composer_polyline")
myTestResult, myMessage = checker.testLayout()
assert myTestResult, myMessage
def testDisplayNodes(self):
"""Test displayNodes method"""
self.polyline.setDisplayNodes(True)
checker = QgsLayoutChecker('composerpolyline_displaynodes',
self.layout)
checker.setControlPathPrefix("composer_polyline")
myTestResult, myMessage = checker.testLayout()
assert myTestResult, myMessage
self.polyline.setDisplayNodes(False)
checker = QgsLayoutChecker('composerpolyline_defaultstyle',
self.layout)
checker.setControlPathPrefix("composer_polyline")
myTestResult, myMessage = checker.testLayout()
assert myTestResult, myMessage
def testSelectedNode(self):
"""Test selectedNode and deselectNode methods"""
self.polyline.setDisplayNodes(True)
self.polyline.setSelectedNode(3)
checker = QgsLayoutChecker('composerpolyline_selectednode',
self.layout)
checker.setControlPathPrefix("composer_polyline")
myTestResult, myMessage = checker.testLayout()
assert myTestResult, myMessage
self.polyline.deselectNode()
self.polyline.setDisplayNodes(False)
checker = QgsLayoutChecker('composerpolyline_defaultstyle',
self.layout)
checker.setControlPathPrefix("composer_polyline")
myTestResult, myMessage = checker.testLayout()
assert myTestResult, myMessage
def testRemoveNode(self):
"""Test removeNode method"""
rc = self.polyline.removeNode(100)
self.assertEqual(rc, False)
checker = QgsLayoutChecker('composerpolyline_defaultstyle',
self.layout)
checker.setControlPathPrefix("composer_polyline")
myTestResult, myMessage = checker.testLayout()
assert myTestResult, myMessage
self.assertEqual(self.polyline.nodesSize(), 4)
rc = self.polyline.removeNode(3)
self.assertEqual(rc, True)
self.assertEqual(self.polyline.nodesSize(), 3)
checker = QgsLayoutChecker('composerpolyline_removednode', self.layout)
checker.setControlPathPrefix("composer_polyline")
myTestResult, myMessage = checker.testLayout()
assert myTestResult, myMessage
def testAddNode(self):
"""Test addNode method"""
# default searching radius is 10
self.assertEqual(self.polyline.nodesSize(), 4)
rc = self.polyline.addNode(QPointF(50.0, 10.0))
self.assertEqual(rc, False)
# default searching radius is 10
self.assertEqual(self.polyline.nodesSize(), 4)
rc = self.polyline.addNode(QPointF(50.0, 9.99))
self.assertEqual(rc, True)
self.assertEqual(self.polyline.nodesSize(), 5)
def testAddNodeCustomRadius(self):
"""Test addNode with custom radius"""
# default searching radius is 10
self.assertEqual(self.polyline.nodesSize(), 4)
rc = self.polyline.addNode(QPointF(50.0, 8.1), True, 8.0)
self.assertEqual(rc, False)
self.assertEqual(self.polyline.nodesSize(), 4)
# default searching radius is 10
rc = self.polyline.addNode(QPointF(50.0, 7.9), True, 8.0)
self.assertEqual(rc, True)
self.assertEqual(self.polyline.nodesSize(), 5)
def testAddNodeWithoutCheckingArea(self):
"""Test addNode without checking the maximum distance allowed"""
# default searching radius is 10
self.assertEqual(self.polyline.nodesSize(), 4)
rc = self.polyline.addNode(QPointF(50.0, 20.0))
self.assertEqual(rc, False)
self.assertEqual(self.polyline.nodesSize(), 4)
# default searching radius is 10
self.assertEqual(self.polyline.nodesSize(), 4)
rc = self.polyline.addNode(QPointF(50.0, 20.0), False)
self.assertEqual(rc, True)
self.assertEqual(self.polyline.nodesSize(), 5)
checker = QgsLayoutChecker('composerpolyline_addnode', self.layout)
checker.setControlPathPrefix("composer_polyline")
myTestResult, myMessage = checker.testLayout()
assert myTestResult, myMessage
def testMoveNode(self):
"""Test moveNode method"""
rc = self.polyline.moveNode(30, QPointF(100.0, 300.0))
self.assertEqual(rc, False)
rc = self.polyline.moveNode(3, QPointF(100.0, 150.0))
self.assertEqual(rc, True)
checker = QgsLayoutChecker('composerpolyline_movenode', self.layout)
checker.setControlPathPrefix("composer_polyline")
myTestResult, myMessage = checker.testLayout()
assert myTestResult, myMessage
def testNodeAtPosition(self):
"""Test nodeAtPosition method"""
# default searching radius is 10
rc = self.polyline.nodeAtPosition(QPointF(100.0, 210.0))
self.assertEqual(rc, -1)
# default searching radius is 10
rc = self.polyline.nodeAtPosition(QPointF(100.0, 210.0), False)
self.assertEqual(rc, 3)
# default searching radius is 10
rc = self.polyline.nodeAtPosition(QPointF(100.0, 210.0), True, 10.1)
self.assertEqual(rc, 3)
def testReadWriteXml(self):
pr = QgsProject()
l = QgsLayout(pr)
p = QPolygonF()
p.append(QPointF(0.0, 0.0))
p.append(QPointF(100.0, 0.0))
p.append(QPointF(200.0, 100.0))
shape = QgsLayoutItemPolyline(p, l)
props = {}
props["color"] = "255,0,0,255"
props["width"] = "10.0"
props["capstyle"] = "square"
style = QgsLineSymbol.createSimple(props)
shape.setSymbol(style)
#save original item to xml
doc = QDomDocument("testdoc")
elem = doc.createElement("test")
self.assertTrue(shape.writeXml(elem, doc, QgsReadWriteContext()))
shape2 = QgsLayoutItemPolyline(l)
self.assertTrue(
shape2.readXml(elem.firstChildElement(), doc,
QgsReadWriteContext()))
self.assertEqual(shape2.nodes(), shape.nodes())
self.assertEqual(shape2.symbol().symbolLayer(0).color().name(),
'#ff0000')
def testBounds(self):
pr = QgsProject()
l = QgsLayout(pr)
p = QPolygonF()
p.append(QPointF(50.0, 30.0))
p.append(QPointF(100.0, 10.0))
p.append(QPointF(200.0, 100.0))
shape = QgsLayoutItemPolyline(p, l)
props = {}
props["color"] = "255,0,0,255"
props["width"] = "6.0"
props["capstyle"] = "square"
style = QgsLineSymbol.createSimple(props)
shape.setSymbol(style)
# scene bounding rect should include symbol outline
bounds = shape.sceneBoundingRect()
self.assertEqual(bounds.left(), 47.0)
self.assertEqual(bounds.right(), 203.0)
self.assertEqual(bounds.top(), 7.0)
self.assertEqual(bounds.bottom(), 103.0)
# rectWithFrame should include symbol outline too
bounds = shape.rectWithFrame()
self.assertEqual(bounds.left(), -3.0)
self.assertEqual(bounds.right(), 153.0)
self.assertEqual(bounds.top(), -3.0)
self.assertEqual(bounds.bottom(), 93.0)
def testHorizontalLine(self):
pr = QgsProject()
l = QgsLayout(pr)
l.initializeDefaults()
p = QPolygonF()
p.append(QPointF(50.0, 100.0))
p.append(QPointF(100.0, 100.0))
shape = QgsLayoutItemPolyline(p, l)
l.addLayoutItem(shape)
props = {}
props["color"] = "0,0,0,255"
props["width"] = "10.0"
props["capstyle"] = "square"
style = QgsLineSymbol.createSimple(props)
shape.setSymbol(style)
checker = QgsLayoutChecker('composerpolyline_hozline', l)
checker.setControlPathPrefix("composer_polyline")
myTestResult, myMessage = checker.testLayout()
assert myTestResult, myMessage
def testVerticalLine(self):
pr = QgsProject()
l = QgsLayout(pr)
l.initializeDefaults()
p = QPolygonF()
p.append(QPointF(100.0, 50.0))
p.append(QPointF(100.0, 100.0))
shape = QgsLayoutItemPolyline(p, l)
l.addLayoutItem(shape)
props = {}
props["color"] = "0,0,0,255"
props["width"] = "10.0"
props["capstyle"] = "square"
style = QgsLineSymbol.createSimple(props)
shape.setSymbol(style)
checker = QgsLayoutChecker('composerpolyline_vertline', l)
checker.setControlPathPrefix("composer_polyline")
myTestResult, myMessage = checker.testLayout()
assert myTestResult, myMessage
class TestQgsLayoutPolyline(unittest.TestCase, LayoutItemTestCase):
@classmethod
def setUpClass(cls):
cls.item_class = QgsLayoutItemPolyline
def __init__(self, methodName):
"""Run once on class initialization."""
unittest.TestCase.__init__(self, methodName)
# create composition
self.layout = QgsLayout(QgsProject.instance())
self.layout.initializeDefaults()
# create
polygon = QPolygonF()
polygon.append(QPointF(0.0, 0.0))
polygon.append(QPointF(100.0, 0.0))
polygon.append(QPointF(200.0, 100.0))
polygon.append(QPointF(100.0, 200.0))
self.polyline = QgsLayoutItemPolyline(
polygon, self.layout)
self.layout.addLayoutItem(self.polyline)
# style
props = {}
props["color"] = "0,0,0,255"
props["width"] = "10.0"
props["capstyle"] = "square"
style = QgsLineSymbol.createSimple(props)
self.polyline.setSymbol(style)
def testNodes(self):
polygon = QPolygonF()
polygon.append(QPointF(0.0, 0.0))
polygon.append(QPointF(100.0, 0.0))
polygon.append(QPointF(200.0, 100.0))
polygon.append(QPointF(100.0, 200.0))
p = QgsLayoutItemPolyline(polygon, self.layout)
self.assertEqual(p.nodes(), polygon)
polygon = QPolygonF()
polygon.append(QPointF(0.0, 0.0))
polygon.append(QPointF(1000.0, 0.0))
polygon.append(QPointF(2000.0, 100.0))
polygon.append(QPointF(1000.0, 200.0))
p.setNodes(polygon)
self.assertEqual(p.nodes(), polygon)
def testDisplayName(self):
"""Test if displayName is valid"""
self.assertEqual(self.polyline.displayName(), "<Polyline>")
def testType(self):
"""Test if type is valid"""
self.assertEqual(
self.polyline.type(), QgsLayoutItemRegistry.LayoutPolyline)
def testDefaultStyle(self):
"""Test polygon rendering with default style."""
self.polyline.setDisplayNodes(False)
checker = QgsLayoutChecker(
'composerpolyline_defaultstyle', self.layout)
checker.setControlPathPrefix("composer_polyline")
myTestResult, myMessage = checker.testLayout()
assert myTestResult, myMessage
def testDisplayNodes(self):
"""Test displayNodes method"""
self.polyline.setDisplayNodes(True)
checker = QgsLayoutChecker(
'composerpolyline_displaynodes', self.layout)
checker.setControlPathPrefix("composer_polyline")
myTestResult, myMessage = checker.testLayout()
assert myTestResult, myMessage
self.polyline.setDisplayNodes(False)
checker = QgsLayoutChecker(
'composerpolyline_defaultstyle', self.layout)
checker.setControlPathPrefix("composer_polyline")
myTestResult, myMessage = checker.testLayout()
assert myTestResult, myMessage
def testSelectedNode(self):
"""Test selectedNode and deselectNode methods"""
self.polyline.setDisplayNodes(True)
self.polyline.setSelectedNode(3)
checker = QgsLayoutChecker(
'composerpolyline_selectednode', self.layout)
checker.setControlPathPrefix("composer_polyline")
myTestResult, myMessage = checker.testLayout()
assert myTestResult, myMessage
self.polyline.deselectNode()
self.polyline.setDisplayNodes(False)
checker = QgsLayoutChecker(
'composerpolyline_defaultstyle', self.layout)
checker.setControlPathPrefix("composer_polyline")
myTestResult, myMessage = checker.testLayout()
assert myTestResult, myMessage
def testEndArrow(self):
self.polyline.setEndMarker(QgsLayoutItemPolyline.ArrowHead)
self.polyline.setArrowHeadWidth(30.0)
checker = QgsLayoutChecker('composerpolyline_endArrow', self.layout)
checker.setControlPathPrefix("composer_polyline")
myTestResult, myMessage = checker.testLayout()
assert myTestResult, myMessage
self.polyline.setEndMarker(QgsLayoutItemPolyline.NoMarker)
def testRemoveNode(self):
"""Test removeNode method"""
rc = self.polyline.removeNode(100)
self.assertEqual(rc, False)
checker = QgsLayoutChecker(
'composerpolyline_defaultstyle', self.layout)
checker.setControlPathPrefix("composer_polyline")
myTestResult, myMessage = checker.testLayout()
assert myTestResult, myMessage
self.assertEqual(self.polyline.nodesSize(), 4)
rc = self.polyline.removeNode(3)
self.assertEqual(rc, True)
self.assertEqual(self.polyline.nodesSize(), 3)
checker = QgsLayoutChecker(
'composerpolyline_removednode', self.layout)
checker.setControlPathPrefix("composer_polyline")
myTestResult, myMessage = checker.testLayout()
assert myTestResult, myMessage
def testAddNode(self):
"""Test addNode method"""
# default searching radius is 10
self.assertEqual(self.polyline.nodesSize(), 4)
rc = self.polyline.addNode(QPointF(50.0, 10.0))
self.assertEqual(rc, False)
# default searching radius is 10
self.assertEqual(self.polyline.nodesSize(), 4)
rc = self.polyline.addNode(QPointF(50.0, 9.99))
self.assertEqual(rc, True)
self.assertEqual(self.polyline.nodesSize(), 5)
def testAddNodeCustomRadius(self):
"""Test addNode with custom radius"""
# default searching radius is 10
self.assertEqual(self.polyline.nodesSize(), 4)
rc = self.polyline.addNode(QPointF(50.0, 8.1), True, 8.0)
self.assertEqual(rc, False)
self.assertEqual(self.polyline.nodesSize(), 4)
# default searching radius is 10
rc = self.polyline.addNode(QPointF(50.0, 7.9), True, 8.0)
self.assertEqual(rc, True)
self.assertEqual(self.polyline.nodesSize(), 5)
def testAddNodeWithoutCheckingArea(self):
"""Test addNode without checking the maximum distance allowed"""
# default searching radius is 10
self.assertEqual(self.polyline.nodesSize(), 4)
rc = self.polyline.addNode(QPointF(50.0, 20.0))
self.assertEqual(rc, False)
self.assertEqual(self.polyline.nodesSize(), 4)
# default searching radius is 10
self.assertEqual(self.polyline.nodesSize(), 4)
rc = self.polyline.addNode(QPointF(50.0, 20.0), False)
self.assertEqual(rc, True)
self.assertEqual(self.polyline.nodesSize(), 5)
checker = QgsLayoutChecker(
'composerpolyline_addnode', self.layout)
checker.setControlPathPrefix("composer_polyline")
myTestResult, myMessage = checker.testLayout()
assert myTestResult, myMessage
def testMoveNode(self):
"""Test moveNode method"""
rc = self.polyline.moveNode(30, QPointF(100.0, 300.0))
self.assertEqual(rc, False)
rc = self.polyline.moveNode(3, QPointF(100.0, 150.0))
self.assertEqual(rc, True)
checker = QgsLayoutChecker(
'composerpolyline_movenode', self.layout)
checker.setControlPathPrefix("composer_polyline")
myTestResult, myMessage = checker.testLayout()
assert myTestResult, myMessage
def testNodeAtPosition(self):
"""Test nodeAtPosition method"""
# default searching radius is 10
rc = self.polyline.nodeAtPosition(QPointF(100.0, 210.0))
self.assertEqual(rc, -1)
# default searching radius is 10
rc = self.polyline.nodeAtPosition(
QPointF(100.0, 210.0), False)
self.assertEqual(rc, 3)
# default searching radius is 10
rc = self.polyline.nodeAtPosition(
QPointF(100.0, 210.0), True, 10.1)
self.assertEqual(rc, 3)
def testReadWriteXml(self):
pr = QgsProject()
l = QgsLayout(pr)
p = QPolygonF()
p.append(QPointF(0.0, 0.0))
p.append(QPointF(100.0, 0.0))
p.append(QPointF(200.0, 100.0))
shape = QgsLayoutItemPolyline(p, l)
props = {}
props["color"] = "255,0,0,255"
props["width"] = "10.0"
props["capstyle"] = "square"
style = QgsLineSymbol.createSimple(props)
shape.setSymbol(style)
#save original item to xml
doc = QDomDocument("testdoc")
elem = doc.createElement("test")
self.assertTrue(shape.writeXml(elem, doc, QgsReadWriteContext()))
shape2 = QgsLayoutItemPolyline(l)
self.assertTrue(shape2.readXml(elem.firstChildElement(), doc, QgsReadWriteContext()))
self.assertEqual(shape2.nodes(), shape.nodes())
self.assertEqual(shape2.symbol().symbolLayer(0).color().name(), '#ff0000')
def testBounds(self):
pr = QgsProject()
l = QgsLayout(pr)
p = QPolygonF()
p.append(QPointF(50.0, 30.0))
p.append(QPointF(100.0, 10.0))
p.append(QPointF(200.0, 100.0))
shape = QgsLayoutItemPolyline(p, l)
props = {}
props["color"] = "255,0,0,255"
props["width"] = "6.0"
props["capstyle"] = "square"
style = QgsLineSymbol.createSimple(props)
shape.setSymbol(style)
# scene bounding rect should include symbol outline
bounds = shape.sceneBoundingRect()
self.assertEqual(bounds.left(), 47.0)
self.assertEqual(bounds.right(), 203.0)
self.assertEqual(bounds.top(), 7.0)
self.assertEqual(bounds.bottom(), 103.0)
# rectWithFrame should include symbol outline too
bounds = shape.rectWithFrame()
self.assertEqual(bounds.left(), -3.0)
self.assertEqual(bounds.right(), 153.0)
self.assertEqual(bounds.top(), -3.0)
self.assertEqual(bounds.bottom(), 93.0)
def testHorizontalLine(self):
pr = QgsProject()
l = QgsLayout(pr)
l.initializeDefaults()
p = QPolygonF()
p.append(QPointF(50.0, 100.0))
p.append(QPointF(100.0, 100.0))
shape = QgsLayoutItemPolyline(p, l)
l.addLayoutItem(shape)
props = {}
props["color"] = "0,0,0,255"
props["width"] = "10.0"
props["capstyle"] = "square"
style = QgsLineSymbol.createSimple(props)
shape.setSymbol(style)
checker = QgsLayoutChecker(
'composerpolyline_hozline', l)
checker.setControlPathPrefix("composer_polyline")
myTestResult, myMessage = checker.testLayout()
assert myTestResult, myMessage
def testVerticalLine(self):
pr = QgsProject()
l = QgsLayout(pr)
l.initializeDefaults()
p = QPolygonF()
p.append(QPointF(100.0, 50.0))
p.append(QPointF(100.0, 100.0))
shape = QgsLayoutItemPolyline(p, l)
l.addLayoutItem(shape)
props = {}
props["color"] = "0,0,0,255"
props["width"] = "10.0"
props["capstyle"] = "square"
style = QgsLineSymbol.createSimple(props)
shape.setSymbol(style)
checker = QgsLayoutChecker(
'composerpolyline_vertline', l)
checker.setControlPathPrefix("composer_polyline")
myTestResult, myMessage = checker.testLayout()
assert myTestResult, myMessage