From 42ab138aabdf3d65f4027e7562deaac1ef4d4a14 Mon Sep 17 00:00:00 2001
From: Anders Swanson <anders.swanson@dbtlabs.com>
Date: Thu, 11 Apr 2024 21:29:32 -0400
Subject: [PATCH] actual test case for #257

---
 .github/workflows/integration_tests.yml       |  1 +
 integration_tests/dbt_project.yml             |  6 ++++
 .../models/plugins/snowflake/people_alias.sql |  4 +++
 .../plugins/snowflake/snowflake_external.yml  | 28 +++++++++++++++----
 4 files changed, 34 insertions(+), 5 deletions(-)
 create mode 100644 integration_tests/models/plugins/snowflake/people_alias.sql

diff --git a/.github/workflows/integration_tests.yml b/.github/workflows/integration_tests.yml
index 8c5198a2..0ffbbbb8 100644
--- a/.github/workflows/integration_tests.yml
+++ b/.github/workflows/integration_tests.yml
@@ -36,6 +36,7 @@ jobs:
         export DBT_PROFILES_DIR=.
         dbt deps --target ${{ matrix.data-platform }}
         dbt seed --full-refresh --target ${{ matrix.data-platform }}
+        dbt run --target ${{ matrix.data-platform }}
         dbt run-operation prep_external --target ${{ matrix.data-platform }}
         dbt run-operation dbt_external_tables.stage_external_sources --vars 'ext_full_refresh: true' --target ${{ matrix.data-platform }}
         dbt run-operation dbt_external_tables.stage_external_sources --target ${{ matrix.data-platform }}
diff --git a/integration_tests/dbt_project.yml b/integration_tests/dbt_project.yml
index 42cd38c0..6de61814 100644
--- a/integration_tests/dbt_project.yml
+++ b/integration_tests/dbt_project.yml
@@ -24,6 +24,12 @@ dispatch:
 seeds:
   +quote_columns: false
 
+models:
+  dbt_external_tables_integration_tests:
+    plugins:
+      snowflake:
+        +enabled: "{{ target.type == 'snowflake' }}"
+
 sources:
   dbt_external_tables_integration_tests:
     plugins:
diff --git a/integration_tests/models/plugins/snowflake/people_alias.sql b/integration_tests/models/plugins/snowflake/people_alias.sql
new file mode 100644
index 00000000..844fb05a
--- /dev/null
+++ b/integration_tests/models/plugins/snowflake/people_alias.sql
@@ -0,0 +1,4 @@
+SELECT
+ {{ dbt_utils.star(from=ref('people'), except=['email']) }},
+  email as email_alias
+FROM {{ ref('people') }}
\ No newline at end of file
diff --git a/integration_tests/models/plugins/snowflake/snowflake_external.yml b/integration_tests/models/plugins/snowflake/snowflake_external.yml
index 4e8c24b6..943ce535 100644
--- a/integration_tests/models/plugins/snowflake/snowflake_external.yml
+++ b/integration_tests/models/plugins/snowflake/snowflake_external.yml
@@ -20,9 +20,6 @@ sources:
             data_type: varchar(64)
           - name: email
             data_type: varchar(64)
-          - name: email
-            alias: email_alias
-            data_type: varchar(64)          
         tests: &equal-to-the-people
           - dbt_utils.equality:
               compare_model: ref('people')
@@ -31,7 +28,6 @@ sources:
                 - first_name
                 - last_name
                 - email
-                - email_alias
 
       - name: people_csv_partitioned
         external:
@@ -155,4 +151,26 @@ sources:
         tests: *equal-to-the-people
         columns:
           - name: id
-            description: "the unique ID for people"
\ No newline at end of file
+            description: "the unique ID for people"
+
+        # test for column aliasing
+      - name: people_csv_aliased
+        external: *csv-people
+        columns:
+          - name: id
+            data_type: int
+          - name: first_name
+            data_type: varchar(64)
+          - name: last_name
+            data_type: varchar(64)
+          - name: email
+            alias: email_alias
+            data_type: varchar(64)
+        tests:
+          - dbt_utils.equality:
+              compare_model: ref('people_alias')
+              compare_columns:
+                - id
+                - first_name
+                - last_name
+                - email_alias
\ No newline at end of file