feat(vars): add default column variable (#10)

README.md

@@ -115,7 +115,12 @@ This package do not have dependencies.
 
 ## Variables
 
-This package do not have variables.
+The following variable **can** be defined in your `dbt_project.yml` file to change the default `exceptions` column name used by the package.
+
+```yml
+vars:
+    "dbt_assertions:default_column": "exceptions"
+```
 
 ## Basic Example
 

dbt_project.yml

@@ -12,3 +12,7 @@ require-dbt-version: [">=1.7.0", "<2.0.0"]
 target-path: "target"
 clean-targets: ["target", "dbt_packages"]
 macro-paths: ["macros"]
+
+
+vars:
+    "dbt_assertions:default_column": "exceptions"

macros/assertions.sql

@@ -1,4 +1,4 @@
-{%- macro assertions(column='exceptions', _node=none) %}
+{%- macro assertions(column=var('dbt_assertions:default_column', 'exceptions'), _node=none) %}
 {#-
     Generates row-level assertions based on the schema model YAML.
 

macros/assertions_filter.sql

@@ -1,4 +1,9 @@
-{%- macro assertions_filter(column='exceptions', exclude_list=none, include_list=none, reverse=false) -%}
+{%- macro assertions_filter(
+    column=var('dbt_assertions:default_column', 'exceptions'),
+    exclude_list=none,
+    include_list=none,
+    reverse=false
+) -%}
 {#-
     Generates an expression to filter rows based on assertions results.
 

tests/generic/generic_assertions.sql

@@ -1,4 +1,10 @@
-{% test generic_assertions(model, column='exceptions', exclude_list=none, include_list=none, re_assert=False) %}
+{% test generic_assertions(
+    model,
+    column=var('dbt_assertions:default_column', 'exceptions'),
+    exclude_list=none,
+    include_list=none,
+    re_assert=False
+) %}
 {#-
     Generates a test SELECT expression to get rows based on exceptions.