split up test class (#8610)

tests/functional/show/test_show.py

@@ -16,7 +16,7 @@
 )
 
 
-class TestShow:
+class ShowBase:
     @pytest.fixture(scope="class")
     def models(self):
         return {
@@ -32,43 +32,54 @@ def models(self):
     def seeds(self):
         return {"sample_seed.csv": seeds__sample_seed}
 
+    @pytest.fixture(scope="class", autouse=True)
+    def setup(self, project):
+        run_dbt(["seed"])
+
+
+class TestShowNone(ShowBase):
     def test_none(self, project):
         with pytest.raises(
             DbtRuntimeError, match="Either --select or --inline must be passed to show"
         ):
-            run_dbt(["seed"])
             run_dbt(["show"])
 
+
+class TestShowSelectText(ShowBase):
     def test_select_model_text(self, project):
         run_dbt(["build"])
-        (results, log_output) = run_dbt_and_capture(["show", "--select", "second_model"])
+        (_, log_output) = run_dbt_and_capture(["show", "--select", "second_model"])
         assert "Previewing node 'sample_model'" not in log_output
         assert "Previewing node 'second_model'" in log_output
         assert "col_one" in log_output
         assert "col_two" in log_output
         assert "answer" in log_output
 
+
+class TestShowMultiple(ShowBase):
     def test_select_multiple_model_text(self, project):
         run_dbt(["build"])
-        (results, log_output) = run_dbt_and_capture(
-            ["show", "--select", "sample_model second_model"]
-        )
+        (_, log_output) = run_dbt_and_capture(["show", "--select", "sample_model second_model"])
         assert "Previewing node 'sample_model'" in log_output
         assert "sample_num" in log_output
         assert "sample_bool" in log_output
 
+
+class TestShowSingle(ShowBase):
     def test_select_single_model_json(self, project):
         run_dbt(["build"])
-        (results, log_output) = run_dbt_and_capture(
+        (_, log_output) = run_dbt_and_capture(
             ["show", "--select", "sample_model", "--output", "json"]
         )
         assert "Previewing node 'sample_model'" not in log_output
         assert "sample_num" in log_output
         assert "sample_bool" in log_output
 
+
+class TestShowNumeric(ShowBase):
     def test_numeric_values(self, project):
         run_dbt(["build"])
-        (results, log_output) = run_dbt_and_capture(
+        (_, log_output) = run_dbt_and_capture(
             ["show", "--select", "sample_number_model", "--output", "json"]
         )
         assert "Previewing node 'sample_number_model'" not in log_output
@@ -79,9 +90,11 @@ def test_numeric_values(self, project):
         assert "5" in log_output
         assert "5.0" not in log_output
 
+
+class TestShowNumericNulls(ShowBase):
     def test_numeric_values_with_nulls(self, project):
         run_dbt(["build"])
-        (results, log_output) = run_dbt_and_capture(
+        (_, log_output) = run_dbt_and_capture(
             ["show", "--select", "sample_number_model_with_nulls", "--output", "json"]
         )
         assert "Previewing node 'sample_number_model_with_nulls'" not in log_output
@@ -92,35 +105,45 @@ def test_numeric_values_with_nulls(self, project):
         assert "5" in log_output
         assert "5.0" not in log_output
 
+
+class TestShowInline(ShowBase):
     def test_inline_pass(self, project):
         run_dbt(["build"])
-        (results, log_output) = run_dbt_and_capture(
+        (_, log_output) = run_dbt_and_capture(
             ["show", "--inline", "select * from {{ ref('sample_model') }}"]
         )
         assert "Previewing inline node" in log_output
         assert "sample_num" in log_output
         assert "sample_bool" in log_output
 
+
+class TestShowInlineFail(ShowBase):
     def test_inline_fail(self, project):
         with pytest.raises(DbtException, match="Error parsing inline query"):
             run_dbt(["show", "--inline", "select * from {{ ref('third_model') }}"])
 
+
+class TestShowInlineFailDB(ShowBase):
     def test_inline_fail_database_error(self, project):
         with pytest.raises(DbtRuntimeError, match="Database Error"):
             run_dbt(["show", "--inline", "slect asdlkjfsld;j"])
 
+
+class TestShowEphemeral(ShowBase):
     def test_ephemeral_model(self, project):
         run_dbt(["build"])
-        (results, log_output) = run_dbt_and_capture(["show", "--select", "ephemeral_model"])
+        (_, log_output) = run_dbt_and_capture(["show", "--select", "ephemeral_model"])
         assert "col_deci" in log_output
 
+
+class TestShowSecondEphemeral(ShowBase):
     def test_second_ephemeral_model(self, project):
         run_dbt(["build"])
-        (results, log_output) = run_dbt_and_capture(
-            ["show", "--inline", models__second_ephemeral_model]
-        )
+        (_, log_output) = run_dbt_and_capture(["show", "--inline", models__second_ephemeral_model])
         assert "col_hundo" in log_output
 
+
+class TestShowLimit(ShowBase):
     @pytest.mark.parametrize(
         "args,expected",
         [
@@ -132,16 +155,20 @@ def test_second_ephemeral_model(self, project):
     def test_limit(self, project, args, expected):
         run_dbt(["build"])
         dbt_args = ["show", "--inline", models__second_ephemeral_model, *args]
-        results, log_output = run_dbt_and_capture(dbt_args)
+        results = run_dbt(dbt_args)
         assert len(results.results[0].agate_table) == expected
 
+
+class TestShowSeed(ShowBase):
     def test_seed(self, project):
-        (results, log_output) = run_dbt_and_capture(["show", "--select", "sample_seed"])
+        (_, 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"])
-        (results, log_output) = run_dbt_and_capture(["show", "--select", "sql_header"])
+        (_, log_output) = run_dbt_and_capture(["show", "--select", "sql_header"])
         assert "Asia/Kolkata" in log_output