Creating new generic tests for redshift adapter

dbt/include/redshift/macros/generic_test_sql/accepted_values.sql

@@ -0,0 +1,27 @@
+{% macro redshift__test_accepted_values(model, column_name, values, quote=True) %}
+
+  with all_values as (
+
+      select
+          "{{ column_name }}" as value_field,
+          count(*) as n_records
+
+      from {{ model }}
+      group by "{{ column_name }}"
+
+  )
+
+  select *
+  from all_values
+  where value_field not in (
+      {% for value in values -%}
+          {% if quote -%}
+          '{{ value }}'
+          {%- else -%}
+          {{ value }}
+          {%- endif -%}
+          {%- if not loop.last -%},{%- endif %}
+      {%- endfor %}
+  )
+
+{% endmacro %}

dbt/include/redshift/macros/generic_test_sql/not_null.sql

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+{% macro redshift__test_not_null(model, column_name) %}
+
+{% set column_name = '"' ~ column_name ~ '"'%}
+{% set column_list = '*' if should_store_failures() else column_name %}
+
+select {{ column_list }}
+from {{ model }}
+where {{ column_name }} is null
+
+{% endmacro %}

dbt/include/redshift/macros/generic_test_sql/relationships.sql

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+{% macro redshift__test_relationships(model, column_name, to, field) %}
+
+with child as (
+    select "{{ column_name }}" as from_field
+    from {{ model }}
+    where "{{ column_name }}" is not null
+),
+
+parent as (
+    select {{ field }} as to_field
+    from {{ to }}
+)
+
+select
+    from_field
+
+from child
+left join parent
+    on child.from_field = parent.to_field
+
+where parent.to_field is null
+
+{% endmacro %}

dbt/include/redshift/macros/generic_test_sql/unique.sql

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+{% macro redshift__test_unique(model, column_name) %}
+
+select
+    "{{ column_name }}" as unique_field,
+    count(*) as n_records
+
+from {{ model }}
+where "{{ column_name }}" is not null
+group by "{{ column_name }}"
+having count(*) > 1
+
+{% endmacro %}