New upstream version 1.0.0+dfsg

3 files changed, 184 insertions, 0 deletions

diff --git a/src/silx/gui/plot/_utils/test/__init__.py b/src/silx/gui/plot/_utils/test/__init__.py
new file mode 100644
index 0000000..3ad225d
--- /dev/null
+++ b/src/silx/gui/plot/_utils/test/__init__.py
@@ -0,0 +1,24 @@
+# coding: utf-8
+# /*##########################################################################
+#
+# Copyright (c) 2016-2018 European Synchrotron Radiation Facility
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+# ###########################################################################*/
diff --git a/src/silx/gui/plot/_utils/test/test_dtime_ticklayout.py b/src/silx/gui/plot/_utils/test/test_dtime_ticklayout.py
new file mode 100644
index 0000000..8d35acf
--- /dev/null
+++ b/src/silx/gui/plot/_utils/test/test_dtime_ticklayout.py
@@ -0,0 +1,79 @@
+# coding: utf-8
+# /*##########################################################################
+#
+# Copyright (c) 2015-2018 European Synchrotron Radiation Facility
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+# ###########################################################################*/
+
+from __future__ import absolute_import, division, unicode_literals
+
+__authors__ = ["P. Kenter"]
+__license__ = "MIT"
+__date__ = "06/04/2018"
+
+
+import datetime as dt
+import unittest
+
+
+from silx.gui.plot._utils.dtime_ticklayout import (
+    calcTicks, DtUnit, SECONDS_PER_YEAR)
+
+
+class TestTickLayout(unittest.TestCase):
+    """Test ticks layout algorithms"""
+
+    def testSmallMonthlySpacing(self):
+        """ Tests a range that did result in a spacing of less than 1 month.
+            It is impossible to add fractional month so the unit must be in days
+        """
+        from dateutil import parser
+        d1 = parser.parse("2017-01-03 13:15:06.000044")
+        d2 = parser.parse("2017-03-08 09:16:16.307584")
+        _ticks, _units, spacing = calcTicks(d1, d2, nTicks=4)
+
+        self.assertEqual(spacing, DtUnit.DAYS)
+
+
+    def testNoCrash(self):
+        """ Creates many combinations of and number-of-ticks and end-dates;
+        tests that it doesn't give an exception and returns a reasonable number
+        of ticks.
+        """
+        d1 = dt.datetime(2017, 1, 3, 13, 15, 6, 44)
+
+        value = 100e-6 # Start at 100 micro sec range.
+
+        while value <= 200 * SECONDS_PER_YEAR:
+
+            d2 = d1 + dt.timedelta(microseconds=value*1e6) # end date range
+
+            for numTicks in range(2, 12):
+                ticks, _, _ = calcTicks(d1, d2, numTicks)
+
+                margin = 2.5
+                self.assertTrue(
+                    numTicks/margin <= len(ticks) <= numTicks*margin,
+                    "Condition {} <= {} <= {} failed for # ticks={} and d2={}:"
+                     .format(numTicks/margin, len(ticks), numTicks * margin,
+                             numTicks, d2))
+
+            value = value * 1.5 # let date period grow exponentially
diff --git a/src/silx/gui/plot/_utils/test/test_ticklayout.py b/src/silx/gui/plot/_utils/test/test_ticklayout.py
new file mode 100644
index 0000000..884b71b
--- /dev/null
+++ b/src/silx/gui/plot/_utils/test/test_ticklayout.py
@@ -0,0 +1,81 @@
+# coding: utf-8
+# /*##########################################################################
+#
+# Copyright (c) 2015-2017 European Synchrotron Radiation Facility
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+# ###########################################################################*/
+
+from __future__ import absolute_import, division, unicode_literals
+
+__authors__ = ["T. Vincent"]
+__license__ = "MIT"
+__date__ = "17/01/2018"
+
+
+import unittest
+import numpy
+
+from silx.utils.testutils import ParametricTestCase
+
+from silx.gui.plot._utils import ticklayout
+
+
+class TestTickLayout(ParametricTestCase):
+    """Test ticks layout algorithms"""
+
+    def testTicks(self):
+        """Test of :func:`ticks`"""
+        tests = {  # (vmin, vmax): ref_ticks
+            (1., 1.): (1.,),
+            (0.5, 10.5): (2.0, 4.0, 6.0, 8.0, 10.0),
+            (0.001, 0.005): (0.001, 0.002, 0.003, 0.004, 0.005)
+            }
+
+        for (vmin, vmax), ref_ticks in tests.items():
+            with self.subTest(vmin=vmin, vmax=vmax):
+                ticks, labels = ticklayout.ticks(vmin, vmax)
+                self.assertTrue(numpy.allclose(ticks, ref_ticks))
+
+    def testNiceNumbers(self):
+        """Minimalistic tests of :func:`niceNumbers`"""
+        tests = {  # (vmin, vmax): ref_ticks
+            (0.5, 10.5): (0.0, 12.0, 2.0, 0),
+            (10000., 10000.5): (10000.0, 10000.5, 0.1, 1),
+            (0.001, 0.005): (0.001, 0.005, 0.001, 3)
+            }
+
+        for (vmin, vmax), ref_ticks in tests.items():
+            with self.subTest(vmin=vmin, vmax=vmax):
+                ticks = ticklayout.niceNumbers(vmin, vmax)
+                self.assertEqual(ticks, ref_ticks)
+
+    def testNiceNumbersLog(self):
+        """Minimalistic tests of :func:`niceNumbersForLog10`"""
+        tests = {  # (log10(min), log10(max): ref_ticks
+            (0., 3.): (0, 3, 1, 0),
+            (-3., 3): (-3, 3, 1, 0),
+            (-32., 0.): (-36, 0, 6, 0)
+        }
+
+        for (vmin, vmax), ref_ticks in tests.items():
+            with self.subTest(vmin=vmin, vmax=vmax):
+                ticks = ticklayout.niceNumbersForLog10(vmin, vmax)
+                self.assertEqual(ticks, ref_ticks)