def create_join_label_format(precision):
format = QgsRendererRangeV2LabelFormat()
template = "%1 - %2 metres"
format.setFormat(template)
format.setPrecision(precision)
format.setTrimTrailingZeroes(True)
return format
def testQgsRendererRangeV2LabelFormat_1(self):
"""Test QgsRendererRangeV2LabelFormat getter/setter functions"""
format = QgsRendererRangeV2LabelFormat()
self.assertTrue(format,
"QgsRendererRangeV2LabelFomat construction failed")
template = "%1 - %2 metres"
precision = 5
format.setFormat(template)
self.assertEqual(format.format(), template,
"Format getter/setter failed")
format.setPrecision(precision)
self.assertEqual(format.precision(), precision,
"Precision getter/setter failed")
format.setTrimTrailingZeroes(True)
self.assertTrue(format.trimTrailingZeroes(),
"TrimTrailingZeroes getter/setter failed")
format.setTrimTrailingZeroes(False)
self.assertFalse(format.trimTrailingZeroes(),
"TrimTrailingZeroes getter/setter failed")
minprecision = -6
maxprecision = 15
self.assertEqual(QgsRendererRangeV2LabelFormat.MinPrecision,
minprecision, "Minimum precision != -6")
self.assertEqual(QgsRendererRangeV2LabelFormat.MaxPrecision,
maxprecision, "Maximum precision != 15")
format.setPrecision(-10)
self.assertEqual(format.precision(), minprecision,
"Minimum precision not enforced")
format.setPrecision(20)
self.assertEqual(format.precision(), maxprecision,
"Maximum precision not enforced")
def createLabelFormat():
format = QgsRendererRangeV2LabelFormat()
template = "%1 - %2 meters"
precision = 5
format.setFormat(template)
format.setPrecision(precision)
format.setTrimTrailingZeroes(True)
return format
def testQgsRendererRangeV2LabelFormat_2(self):
"""Test QgsRendererRangeV2LabelFormat number format"""
format = QgsRendererRangeV2LabelFormat()
# Tests have precision, trim, value, expected
# (Note: Not sure what impact of locale is on these tests)
tests = (
(2, False, 1.0, '1.00'),
(2, True, 1.0, '1'),
(2, False, 1.234, '1.23'),
(2, True, 1.234, '1.23'),
(2, False, 1.236, '1.24'),
(2, False, -1.236, '-1.24'),
(2, False, -0.004, '0.00'),
(2, True, 1.002, '1'),
(2, True, 1.006, '1.01'),
(2, True, 1.096, '1.1'),
(3, True, 1.096, '1.096'),
(-2, True, 1496.45, '1500'),
(-2, True, 149.45, '100'),
(-2, True, 79.45, '100'),
(-2, True, 49.45, '0'),
(-2, True, -49.45, '0'),
(-2, True, -149.45, '-100'),
)
for f in tests:
precision, trim, value, expected = f
format.setPrecision(precision)
format.setTrimTrailingZeroes(trim)
result = format.formatNumber(value)
self.assertEqual(
result, expected,
"Number format error {0}:{1}:{2} => {3}".format(
precision, trim, value, result))
# Label tests - label format, expected result.
# Labels will be evaluated with lower=1.23 upper=2.34, precision=2
ltests = (
("%1 - %2", "1.23 - 2.34"),
("%1", "1.23"),
("%2", "2.34"),
("%2%", "2.34%"),
("%1%1", "1.231.23"),
("from %1 to %2 metres", "from 1.23 to 2.34 metres"),
("from %2 to %1 metres", "from 2.34 to 1.23 metres"),
)
format.setPrecision(2)
format.setTrimTrailingZeroes(False)
lower = 1.232
upper = 2.339
for t in ltests:
label, expected = t
format.setFormat(label)
result = format.labelForLowerUpper(lower, upper)
self.assertEqual(
result, expected,
"Label format error {0} => {1}".format(label, result))
range = QgsRendererRangeV2()
range.setLowerValue(lower)
range.setUpperValue(upper)
label = ltests[0][0]
format.setFormat(label)
result = format.labelForRange(range)
self.assertEqual(
result, ltests[0][1],
"Label for range error {0} => {1}".format(label, result))