1 files changed, 81 insertions, 0 deletions
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
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+++ 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)