1 files changed, 18 insertions, 0 deletions

diff --git a/tests/unit/test_strings.py b/tests/unit/test_strings.py
index a0b5617..835a508 100644
--- a/tests/unit/test_strings.py
+++ b/tests/unit/test_strings.py
@@ -23,10 +23,28 @@ def test_string_to_absolute_time(datestr, expected):
     dt = strings.string_to_absolute_time(datestr)
     assert dt.timetuple()[:6] == expected
 
+
 def test_string_to_absolute_time_end_of_time():
     assert strings.string_to_absolute_time("end of time") is None
 
+
 def test_string_to_absolute_invalid():
     with pytest.raises(ValueError) as excinfo:
         strings.string_to_absolute_time("asdfgh")
     assert str(excinfo.value).startswith("asdfgh is not a properly formatted")
+
+
+def test_data_to_string():
+    assert strings.data_to_string(b"") == ""
+    assert strings.data_to_string(b"dfgzu") == "CHJ6EUJL"
+
+
+def test_string_to_data():
+    assert strings.string_to_data("") == b""
+    assert strings.string_to_data("CHJ6EUJL") == b"dfgzu"
+    with pytest.raises(ValueError) as excinfo:
+        strings.string_to_data("asdfgh")
+    assert "is not a valid data-encoding string" in str(excinfo.value)
+    with pytest.raises(ValueError) as excinfo:
+        strings.string_to_data(["asdfgh"])
+    assert "is not a valid data-encoding string" in str(excinfo.value)