Adds test suite for tableprint

tests/test_functions.py

@@ -0,0 +1,26 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+from tableprint import top, bottom, row
+import pytest
+
+
+def test_borders():
+
+    # top
+    assert top(5, width=2, style='round') == '╭──┬──┬──┬──┬──╮'
+    assert top(1, width=6, style='grid') == '+------+'
+
+    # bottom
+    assert bottom(3, width=1, style='fancy_grid') == '╘═╧═╧═╛'
+    assert bottom(3, 4, style='clean') == ' ──── ──── ──── '
+
+
+def test_row():
+
+    # valid
+    assert row("abc", width=3, style='round') == '│  a│  b│  c│'
+    assert row([1, 2, 3], width=3, style='clean') == '   1   2   3 '
+
+    # invalid
+    with pytest.raises(ValueError) as context:
+        row([{}])