Add test for variable precedence

Author: georgesittas

tests/core/test_model.py

@@ -8405,6 +8405,91 @@ def test_blueprinting_with_quotes(tmp_path: Path) -> None:
     assert t.cast(exp.Query, m2.render_query()).sql() == '''SELECT 'c d' AS "c1", "c d" AS "c2"'''
 
 
+def test_blueprint_variable_precedence(tmp_path: Path, assert_exp_eq: t.Callable) -> None:
+    init_example_project(tmp_path, dialect="duckdb", template=ProjectTemplate.EMPTY)
+
+    template_with_quoted_vars = tmp_path / "models/template_with_quoted_vars.sql"
+    template_with_quoted_vars.parent.mkdir(parents=True, exist_ok=True)
+    template_with_quoted_vars.write_text(
+        """
+        MODEL (
+          name s.@{bp_name},
+          blueprints (
+            (bp_name := m1, var1 := 'v1', var2 := 'v2'),
+            (bp_name := m2, var1 := 'v3'),
+          ),
+        );
+
+        @DEF(bp_name, override);
+
+        SELECT
+          @var1 AS var1_macro_var,
+          @{var1} AS var1_identifier,
+          @VAR('var1') AS var1_var_macro_func,
+          @BLUEPRINT_VAR('var1') AS var1_blueprint_var_macro_func,
+
+          @var2 AS var2_macro_var,
+          @{var2} AS var2_identifier,
+          @VAR('var2') AS var2_var_macro_func,
+          @BLUEPRINT_VAR('var2') AS var2_blueprint_var_macro_func,
+
+          @bp_name AS bp_name_macro_var,
+          @{bp_name} AS bp_name_identifier,
+          @VAR('bp_name') AS bp_name_var_macro_func,
+          @BLUEPRINT_VAR('bp_name') AS bp_name_blueprint_var_macro_func,
+        """
+    )
+
+    ctx = Context(
+        config=Config(
+            model_defaults=ModelDefaultsConfig(dialect="duckdb"),
+            variables={"var2": "1"},
+        ),
+        paths=tmp_path,
+    )
+    assert len(ctx.models) == 2
+
+    m1 = ctx.get_model("s.m1", raise_if_missing=True)
+    m2 = ctx.get_model("s.m2", raise_if_missing=True)
+
+    assert_exp_eq(
+        m1.render_query(),
+        """
+        SELECT
+          'v1' AS "var1_macro_var",
+          "v1" AS "var1_identifier",
+          NULL AS "var1_var_macro_func",
+          'v1' AS "var1_blueprint_var_macro_func",
+          'v2' AS "var2_macro_var",
+          "v2" AS "var2_identifier",
+          '1' AS "var2_var_macro_func",
+          'v2' AS "var2_blueprint_var_macro_func",
+          "override" AS "bp_name_macro_var",
+          "override" AS "bp_name_identifier",
+          NULL AS "bp_name_var_macro_func",
+          "m1" AS "bp_name_blueprint_var_macro_func"
+        """,
+    )
+    assert_exp_eq(
+        m2.render_query(),
+        """
+        SELECT
+          'v3' AS "var1_macro_var",
+          "v3" AS "var1_identifier",
+          NULL AS "var1_var_macro_func",
+          'v3' AS "var1_blueprint_var_macro_func",
+          '1' AS "var2_macro_var",
+          "1" AS "var2_identifier",
+          '1' AS "var2_var_macro_func",
+          NULL AS "var2_blueprint_var_macro_func",
+          "override" AS "bp_name_macro_var",
+          "override" AS "bp_name_identifier",
+          NULL AS "bp_name_var_macro_func",
+          "m2" AS "bp_name_blueprint_var_macro_func"
+        """,
+    )
+
+
 @time_machine.travel("2020-01-01 00:00:00 UTC")
 def test_dynamic_date_spine_model(assert_exp_eq):
     @macro()