[common] refactoring: 'get_human_size_str' moved from 'system' to 'view_utils'

tests/common/test_view_utils.py

@@ -0,0 +1,35 @@
+from unittest import TestCase
+
+from bauh.commons.view_utils import get_human_size_str
+
+
+class GetHumanSizeStrTest(TestCase):
+
+    def test__must_properly_display_B(self):
+        self.assertEqual('1023 B', get_human_size_str(1023))
+        self.assertEqual('-1023 B', get_human_size_str(-1023))
+
+    def test__must_properly_convert_to_Kb(self):
+        self.assertEqual('1.00 Kb', get_human_size_str(1024))
+        self.assertEqual('1.50 Kb', get_human_size_str(1536))
+        self.assertEqual('1.75 Kb', get_human_size_str(1792))
+        self.assertEqual('57.30 Kb', get_human_size_str(58675.2))
+        self.assertEqual('-1.00 Kb', get_human_size_str(-1024))
+
+    def test__must_properly_convert_to_Mb(self):
+        self.assertEqual('1.00 Mb', get_human_size_str(1048576))
+        self.assertEqual('1.20 Mb', get_human_size_str(1258291))
+        self.assertEqual('1.50 Mb', get_human_size_str(1572864))
+        self.assertEqual('57.30 Mb', get_human_size_str(60083404.8))
+
+    def test__must_properly_convert_to_Gb(self):
+        self.assertEqual('1.00 Gb', get_human_size_str(1073741824))
+        self.assertEqual('57.30 Gb', get_human_size_str(61525406515.2))
+
+    def test__must_properly_convert_to_Tb(self):
+        self.assertEqual('1.00 Tb', get_human_size_str(1099511627776))
+        self.assertEqual('57.30 Tb', get_human_size_str(63002016271564.8))
+
+    def test__must_properly_convert_to_Pb(self):
+        self.assertEqual('1.00 Pb', get_human_size_str(1125899906842624))
+        self.assertEqual('57.30 Pb', get_human_size_str(64514064662082350))