Change Dagster UI copy for external assets; add example to toys

js_modules/dagster-ui/packages/ui-core/src/assets/AssetNodeDefinition.tsx

@@ -298,7 +298,7 @@ const DescriptionAnnotations: React.FC<{
     {assetNode.isSource ? (
       <Caption style={{lineHeight: '16px'}}>Source Asset</Caption>
     ) : !assetNode.isExecutable ? (
-      <Caption style={{lineHeight: '16px'}}>Non-executable Asset</Caption>
+      <Caption style={{lineHeight: '16px'}}>External Asset</Caption>
     ) : undefined}
   </Box>
 );

js_modules/dagster-ui/packages/ui-core/src/assets/LaunchAssetExecutionButton.tsx

@@ -166,7 +166,7 @@ export function executionDisabledMessageForAssets(
     : assets.every((a) => a.isSource)
     ? 'Source assets cannot be materialized'
     : assets.every((a) => !a.isExecutable)
-    ? 'Non-executable assets cannot be materialized'
+    ? 'External assets cannot be materialized'
     : null;
 }
 
@@ -412,7 +412,7 @@ async function stateForLaunchingAssets(
   if (assets.some((x) => !x.isExecutable)) {
     return {
       type: 'error',
-      error: 'One or more non-executable assets are selected.',
+      error: 'One or more external assets are selected.',
     };
   }
 

js_modules/dagster-ui/packages/ui-core/src/assets/__tests__/LaunchAssetExecutionButton.test.tsx

@@ -129,7 +129,7 @@ describe('LaunchAssetExecutionButton', () => {
       expect(button).toBeDisabled();
 
       userEvent.hover(button);
-      expect(await screen.findByText('Non-executable assets cannot be materialized')).toBeDefined();
+      expect(await screen.findByText('External assets cannot be materialized')).toBeDefined();
     });
   });
 

python_modules/dagster-test/dagster_test/toys/external_assets.py

@@ -0,0 +1,26 @@
+from dagster import AssetMaterialization, AssetSpec, Definitions, OpExecutionContext, job, op
+from dagster._core.definitions.external_asset import external_assets_from_specs
+
+asset_one = AssetSpec("asset_one")
+
+asset_two = AssetSpec("asset_two", deps=[asset_one])
+
+
+@op
+def insert_materializations(context: OpExecutionContext) -> None:
+    context.log_event(
+        AssetMaterialization(asset_one.key, metadata={"nrows": 10, "source": "From this script."})
+    )
+    context.log_event(
+        AssetMaterialization(asset_two.key, metadata={"nrows": 12, "source": "From this script."})
+    )
+
+
+@job
+def insert_materializations_job() -> None:
+    insert_materializations()
+
+
+defs = Definitions(
+    assets=external_assets_from_specs([asset_one, asset_two]), jobs=[insert_materializations_job]
+)