1 files changed, 70 insertions, 0 deletions
diff --git a/tests/test_utils.py b/tests/test_utils.py
new file mode 100644
index 0000000..a136d02
--- /dev/null
+++ b/tests/test_utils.py
@@ -0,0 +1,70 @@
+# -*- coding: utf-8 -*-
+"""Test CLI Helpers' utility functions and helpers."""
+
+from __future__ import unicode_literals
+
+from cli_helpers import utils
+
+
+def test_bytes_to_string_hexlify():
+    """Test that bytes_to_string() hexlifies binary data."""
+    assert utils.bytes_to_string(b'\xff') == '0xff'
+
+
+def test_bytes_to_string_decode_bytes():
+    """Test that bytes_to_string() decodes bytes."""
+    assert utils.bytes_to_string(b'foobar') == 'foobar'
+
+
+def test_bytes_to_string_non_bytes():
+    """Test that bytes_to_string() returns non-bytes untouched."""
+    assert utils.bytes_to_string('abc') == 'abc'
+    assert utils.bytes_to_string(1) == 1
+
+
+def test_to_string_bytes():
+    """Test that to_string() converts bytes to a string."""
+    assert utils.to_string(b"foo") == 'foo'
+
+
+def test_to_string_non_bytes():
+    """Test that to_string() converts non-bytes to a string."""
+    assert utils.to_string(1) == '1'
+    assert utils.to_string(2.29) == '2.29'
+
+
+def test_truncate_string():
+    """Test string truncate preprocessor."""
+    val = 'x' * 100
+    assert utils.truncate_string(val, 10) == 'xxxxxxx...'
+    
+    val = 'x ' * 100
+    assert utils.truncate_string(val, 10) == 'x x x x...'
+
+    val = 'x' * 100
+    assert utils.truncate_string(val) == 'x' * 100
+
+    val = ['x'] * 100
+    val[20] = '\n'
+    str_val = ''.join(val)
+    assert utils.truncate_string(str_val, 10, skip_multiline_string=True) == str_val
+
+
+def test_intlen_with_decimal():
+    """Test that intlen() counts correctly with a decimal place."""
+    assert utils.intlen('11.1') == 2
+    assert utils.intlen('1.1') == 1
+
+
+def test_intlen_without_decimal():
+    """Test that intlen() counts correctly without a decimal place."""
+    assert utils.intlen('11') == 2
+
+
+def test_filter_dict_by_key():
+    """Test that filter_dict_by_key() filter unwanted items."""
+    keys = ('foo', 'bar')
+    d = {'foo': 1, 'foobar': 2}
+    fd = utils.filter_dict_by_key(d, keys)
+    assert len(fd) == 1
+    assert all([k in keys for k in fd])