Add functional test

tests/functional/show/fixtures.py

@@ -17,6 +17,18 @@
 select current_setting('timezone') as timezone
 """
 
+private_model_yml = """
+groups:
+  - name: my_cool_group
+    owner: {name: me}
+
+models:
+  - name: private_model
+    access: private
+    config:
+      group: my_cool_group
+"""
+
 
 schema_yml = """
 models:

tests/functional/show/test_show.py

@@ -10,6 +10,7 @@
     models__ephemeral_model,
     schema_yml,
     models__sql_header,
+    private_model_yml,
 )
 
 
@@ -137,3 +138,20 @@ def test_none(self, project):
         (results, log_output) = run_dbt_and_capture(["show", "--select", "sample_model.v2"])
         assert "Previewing node 'sample_model.v1'" not in log_output
         assert "Previewing node 'sample_model.v2'" in log_output
+
+
+class TestShowPrivateModel:
+    @pytest.fixture(scope="class")
+    def models(self):
+        return {
+            "schema.yml": private_model_yml,
+            "private_model.sql": models__sample_model,
+        }
+
+    @pytest.fixture(scope="class")
+    def seeds(self):
+        return {"sample_seed.csv": seeds__sample_seed}
+
+    def test_version_unspecified(self, project):
+        run_dbt(["build"])
+        run_dbt(["show", "--inline", "select * from {{ ref('private_model') }}"])