107 lines
3.4 KiB
Python
Executable File
107 lines
3.4 KiB
Python
Executable File
#!/usr/bin/python2.4
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#
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# Copyright 2008 Google Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Tests for the formatters."""
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from graphy import common
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from graphy import formatters
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from graphy import graphy_test
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from graphy.backends import google_chart_api
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class InlineLegendTest(graphy_test.GraphyTest):
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def setUp(self):
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self.chart = google_chart_api.LineChart()
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self.chart.formatters.append(formatters.InlineLegend)
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self.chart.AddLine([1, 2, 3], label='A')
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self.chart.AddLine([4, 5, 6], label='B')
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self.chart.auto_scale.buffer = 0
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def testLabelsAdded(self):
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self.assertEqual(self.Param('chxl'), '0:|A|B')
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def testLabelPositionedCorrectly(self):
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self.assertEqual(self.Param('chxp'), '0,3,6')
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self.assertEqual(self.Param('chxr'), '0,1,6')
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def testRegularLegendSuppressed(self):
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self.assertRaises(KeyError, self.Param, 'chdl')
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class AutoScaleTest(graphy_test.GraphyTest):
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def setUp(self):
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self.chart = google_chart_api.LineChart([1, 2, 3])
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self.auto_scale = formatters.AutoScale(buffer=0)
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def testNormalCase(self):
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self.auto_scale(self.chart)
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self.assertEqual(1, self.chart.left.min)
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self.assertEqual(3, self.chart.left.max)
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def testKeepsDataAwayFromEdgesByDefault(self):
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self.auto_scale = formatters.AutoScale()
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self.auto_scale(self.chart)
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self.assertTrue(1 > self.chart.left.min)
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self.assertTrue(3 < self.chart.left.max)
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def testDoNothingIfNoData(self):
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self.chart.data = []
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self.auto_scale(self.chart)
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self.assertEqual(None, self.chart.left.min)
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self.assertEqual(None, self.chart.left.max)
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self.chart.AddLine([])
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self.auto_scale(self.chart)
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self.assertEqual(None, self.chart.left.min)
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self.assertEqual(None, self.chart.left.max)
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def testKeepMinIfSet(self):
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self.chart.left.min = -10
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self.auto_scale(self.chart)
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self.assertEqual(-10, self.chart.left.min)
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self.assertEqual(3, self.chart.left.max)
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def testKeepMaxIfSet(self):
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self.chart.left.max = 9
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self.auto_scale(self.chart)
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self.assertEqual(1, self.chart.left.min)
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self.assertEqual(9, self.chart.left.max)
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def testOtherDependentAxesAreAlsoSet(self):
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self.chart.AddAxis(common.AxisPosition.LEFT, common.Axis())
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self.chart.AddAxis(common.AxisPosition.RIGHT, common.Axis())
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self.assertEqual(4, len(self.chart.GetDependentAxes()))
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self.auto_scale(self.chart)
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for axis in self.chart.GetDependentAxes():
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self.assertEqual(1, axis.min)
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self.assertEqual(3, axis.max)
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def testRightSetsLeft(self):
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"""If user sets min/max on right but NOT left, they are copied to left.
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(Otherwise the data will be scaled differently from the right-axis labels,
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which is bad).
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"""
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self.chart.right.min = 18
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self.chart.right.max = 19
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self.auto_scale(self.chart)
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self.assertEqual(18, self.chart.left.min)
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self.assertEqual(19, self.chart.left.max)
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if __name__ == '__main__':
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graphy_test.main()
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