1 files changed, 20 insertions, 0 deletions
diff --git a/tests/qc/test_cells_standard_error.py b/tests/qc/test_cells_standard_error.py
new file mode 100644
index 0000000..aa25aa8
--- /dev/null
+++ b/tests/qc/test_cells_standard_error.py
@@ -0,0 +1,20 @@
+import re
+from random import randint
+
+
+from hypothesis import given
+from hypothesis import strategies as st
+
+from quality_control.standard_error import invalid_value
+
+@given(num_str=st.from_regex(r"^[0-9]+\.?0*", fullmatch=True))
+def test_cell_standard_error_value_errors_if_less_than_six_decimal_places2(num_str):
+    """
+    GIVEN: `num_str` is a string representing a whole number (e.g 5, 33, 5453
+        etc) or a number with all zeroes for the decimals (e.g 0.0, 19.00000,
+        45842.00 etc)
+    WHEN: `num_str` is provided as an argument to `se_invalid_value` function,
+    THEN: `se_invalid_value` returns a `None`.
+    """
+    line, col = randint(0, 100), randint(0, 20)
+    assert invalid_value(line, col, num_str) is None