Create accepted_range test

macros/schema_tests/accepted_range.sql

@@ -0,0 +1,32 @@
+{% macro test_accepted_range(model, min_value = none, max_value = none, inclusive = true, where = "true") %}
+
+{%- set column_name = kwargs.get('column_name', kwargs.get('field')) -%}
+
+with meet_condition as(
+ select {{ column_name }} 
+ from {{ model }}
+ where {{ where }}
+),
+
+validation_errors as (
+ select *
+ from meet_condition
+ where 
+ -- never true, defaults to an empty result set. Exists to ensure any combo of the `or` clauses below succeeds
+ 1 = 2 
+
+ {%- if min_value is not none %}
+ -- records with a value >= min_value are permitted. The `not` flips this to find records that don't meet the rule.
+ or not {{ column_name }} >{{"=" if inclusive}} {{min_value}} 
+ {%- endif %}
+
+ {%- if max_value is not none %}
+ -- records with a value <= max_value are permitted. The `not` flips this to find records that don't meet the rule.
+ or not {{ column_name }} <{{"=" if inclusive}} {{max_value}}
+ {%- endif %}
+)
+
+select count(*)
+from validation_errors
+
+{% endmacro %}