On Python 3, the calculation of a value for a unit will return
a float.  Let's make things predictable accross Python 2 and 3
and force an integer instead.

Reference: https://github.com/avocado-framework/avocado/pull/2498Signed-off-by: NCleber Rosa <crosa@redhat.com>

Now that we have a second use case for it, let's finally create the
DataSize object.
Signed-off-by: NAmador Pahim <apahim@redhat.com>

Signed-off-by: NCleber Rosa <crosa@redhat.com>

Found by the newest version of inspektor, 0.4.5.
Signed-off-by: NLucas Meneghel Rodrigues <lookkas@gmail.com>

The precision of float printing has changed.  To provide
the same output for Python 2 and 3, explicitly specify
the number of significant digits.
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

The unittest standard library on Python 2.7 an later has everything
that the unittest2 backport is supposed to have.  Let's then drop all
the conditional imports of unittest2 and stick with unittest.
Signed-off-by: NCleber Rosa <crosa@redhat.com>

This patch changes the error message on ZeroDivisionError to not split
by `.split()` method to allow loading the matrix by simple split.

Additionally this changes the zip method to izip in for loop.
Signed-off-by: NLukáš Doktor <ldoktor@redhat.com>

Couple of avocado.utils.data_structure unit tests.
Signed-off-by: NLukáš Doktor <ldoktor@redhat.com>