add adapter-zone tests for dbt show

core/dbt/task/show.py

@@ -31,7 +31,9 @@ def execute(self, compiled_node, manifest):
             context_override=model_context,
             kwargs={"limit": limit},
         )
-        adapter_response, execute_result = self.adapter.execute(compiled_node.compiled_code, fetch=True)
+        adapter_response, execute_result = self.adapter.execute(
+            compiled_node.compiled_code, fetch=True
+        )
 
         end_time = time.time()
 

tests/adapter/dbt/tests/adapter/dbt_show/test_dbt_show.py

@@ -0,0 +1,44 @@
+import pytest
+from dbt.tests.util import run_dbt_and_capture, run_dbt
+
+from tests.functional.show.test_show import ShowBase
+from tests.functional.show.fixtures import (
+    models__second_ephemeral_model
+)
+
+
+# -- Below we define base classes for tests you import the one based on if your adapter uses dbt clone or not --
+class BaseShowLimit(ShowBase):
+    @pytest.mark.parametrize(
+        "args,expected",
+        [
+            ([], 5),  # default limit
+            (["--limit", 3], 3),  # fetch 3 rows
+            (["--limit", -1], 7),  # fetch all rows
+        ],
+    )
+    def test_limit(self, project, args, expected):
+        run_dbt(["build"])
+        dbt_args = ["show", "--inline", models__second_ephemeral_model, *args]
+        results = run_dbt(dbt_args)
+        assert len(results.results[0].agate_table) == expected
+        # ensure limit was injected in compiled_code when limit specified in command args
+        limit = results.args.get("limit")
+        if limit > 0:
+            assert f"limit {limit}" in results.results[0].node.compiled_code
+
+
+class BaseShowSqlHeader(ShowBase):
+    def test_sql_header(self, project):
+        run_dbt(["build", "--vars", "timezone: Asia/Kolkata"])
+        (_, log_output) = run_dbt_and_capture(
+            ["show", "--select", "sql_header", "--vars", "timezone: Asia/Kolkata"]
+        )
+
+
+class TestPostgresShowSqlHeader(BaseShowSqlHeader):
+   pass
+
+
+class TestPostgresShowLimit(BaseShowLimit):
+   pass

tests/functional/show/test_show.py

@@ -143,39 +143,12 @@ def test_second_ephemeral_model(self, project):
         assert "col_hundo" in log_output
 
 
-class TestShowLimit(ShowBase):
-    @pytest.mark.parametrize(
-        "args,expected",
-        [
-            ([], 5),  # default limit
-            (["--limit", 3], 3),  # fetch 3 rows
-            (["--limit", -1], 7),  # fetch all rows
-        ],
-    )
-    def test_limit(self, project, args, expected):
-        run_dbt(["build"])
-        dbt_args = ["show", "--inline", models__second_ephemeral_model, *args]
-        results = run_dbt(dbt_args)
-        assert len(results.results[0].agate_table) == expected
-        # ensure limit was injected in compiled_code when limit specified in command args
-        if results.args.get("limit") > 0:
-            assert "limit" in results.results[0].node.compiled_code
-
-
 class TestShowSeed(ShowBase):
     def test_seed(self, project):
         (_, log_output) = run_dbt_and_capture(["show", "--select", "sample_seed"])
         assert "Previewing node 'sample_seed'" in log_output
 
 
-class TestShowSqlHeader(ShowBase):
-    def test_sql_header(self, project):
-        run_dbt(["build", "--vars", "timezone: Asia/Kolkata"])
-        (_, log_output) = run_dbt_and_capture(
-            ["show", "--select", "sql_header", "--vars", "timezone: Asia/Kolkata"]
-        )
-
-
 class TestShowModelVersions:
     @pytest.fixture(scope="class")
     def models(self):