8th day of python challenges 111-117

venv/lib/python3.6/site-packages/pylint/test/functional/ternary.py

@@ -0,0 +1,33 @@
+"""Test for old tenrary constructs"""
+from UNINFERABLE import condition, true_value, false_value, some_callable  # pylint: disable=import-error
+
+SOME_VALUE1 = true_value if condition else false_value
+SOME_VALUE2 = condition and true_value or false_value  # [consider-using-ternary]
+SOME_VALUE3 = condition
+
+def func1():
+    """Ternary return value correct"""
+    return true_value if condition else false_value
+
+
+def func2():
+    """Ternary return value incorrect"""
+    return condition and true_value or false_value  # [consider-using-ternary]
+
+
+SOME_VALUE4 = some_callable(condition) and 'ERROR' or 'SUCCESS'  # [consider-using-ternary]
+SOME_VALUE5 = SOME_VALUE1 > 3 and 'greater' or 'not greater'  # [consider-using-ternary]
+SOME_VALUE6 = (SOME_VALUE2 > 4 and SOME_VALUE3) and 'both' or 'not'  # [consider-using-ternary]
+SOME_VALUE7 = 'both' if (SOME_VALUE2 > 4) and (SOME_VALUE3) else 'not'
+SOME_VALUE8 = SOME_VALUE1 and SOME_VALUE2 and SOME_VALUE3 or SOME_VALUE4
+SOME_VALUE9 = SOME_VALUE1 and False or SOME_VALUE2  # [simplify-boolean-expression]
+
+YEAR = 1992
+# Cannot be simplified with a ternary.
+IS_LEAP_YEAR = YEAR % 4 == 0 and YEAR % 100 != 0 or YEAR % 400 == 0
+
+
+def func4():
+    """"Using a Name as a condition but still emits"""
+    truth_value = 42
+    return condition and truth_value or false_value # [consider-using-ternary]