Added _search with sort: direction.

Signed-off-by: dblock <dblock@amazon.com>

CHANGELOG.md

@@ -8,6 +8,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Added API specs for query groups lifecycle APIs ([#649](https://github.com/opensearch-project/opensearch-api-specification/pull/649))
 - Added Python and Ruby spec validators ([#646](https://github.com/opensearch-project/opensearch-api-specification/pull/646))
 - Added verbose output of the story being evaluated ([#646](https://github.com/opensearch-project/opensearch-api-specification/pull/646))
+- Added `_search` with `sort: direction` ([#658](https://github.com/opensearch-project/opensearch-api-specification/pull/658))
 
 ### Removed
 - Removed unsupported `_common.mapping:SourceField`'s `mode` field and associated `_common.mapping:SourceFieldMode` enum ([#652](https://github.com/opensearch-project/opensearch-api-specification/pull/652))

spec/schemas/_common.yaml

@@ -558,10 +558,16 @@ components:
       oneOf:
         - title: field
           $ref: '#/components/schemas/Field'
+        - title: field_with_direction
+          $ref: '#/components/schemas/FieldWithDirection'
         - title: field_with_order
           $ref: '#/components/schemas/FieldWithOrder'
         - title: options
           $ref: '#/components/schemas/SortOptions'
+    FieldWithDirection:
+      type: object
+      additionalProperties:
+        $ref: '#/components/schemas/SortOrder'
     FieldWithOrder:
       type: object
       additionalProperties:

tests/default/_core/search/search_after.yaml

@@ -0,0 +1,39 @@
+$schema: ../../../../json_schemas/test_story.schema.yaml
+
+description: Test search endpoint with search_after.
+epilogues:
+  - path: /movies
+    method: DELETE
+    status: [200, 404]
+prologues:
+  - path: /_bulk
+    method: POST
+    parameters:
+      refresh: true
+    request:
+      content_type: application/x-ndjson
+      payload:
+        - {create: {_index: movies}}
+        - {title: The Cruise, year: 1998}
+        - {create: {_index: movies}}
+        - {title: Drive, year: 1960}
+chapters:
+  - synopsis: Search with search_after.
+    path: /{index}/_search
+    parameters:
+      index: movies
+    request:
+      payload:
+        sort:
+          - year: asc
+        search_after:
+          - 1960
+    method: POST
+    response:
+      status: 200
+      payload:
+        hits:
+          hits:
+            - _source:
+                title: The Cruise
+                year: 1998

tests/default/_core/search/sort_by_field.yaml

@@ -3,12 +3,12 @@ $schema: ../../../../json_schemas/test_story.schema.yaml
 description: Test different ways to sort by field.
 
 epilogues:
-  - path: /sorted_movies
+  - path: /movies
     method: DELETE
     status: [200]
 
 prologues:
-  - path: /sorted_movies
+  - path: /movies
     method: PUT
     request:
       payload:
@@ -18,40 +18,25 @@ prologues:
               type: keyword
             year:
               type: integer
-
-  - path: /sorted_movies/_doc
-    method: POST
-    parameters:
-      refresh: true
-    request:
-      payload:
-        title: The Lion King
-        year: 1994
-    status: [201]
-  - path: /sorted_movies/_doc
-    method: POST
-    parameters:
-      refresh: true
-    request:
-      payload:
-        title: The Lion King
-        year: 2019
-    status: [201]
-  - path: /sorted_movies/_doc
+  - path: /_bulk
     method: POST
     parameters:
       refresh: true
     request:
+      content_type: application/x-ndjson
       payload:
-        title: Frozen
-        year: 2013
-    status: [201]
+        - {create: {_index: movies}}
+        - {title: The Lion King, year: 1994}
+        - {create: {_index: movies}}
+        - {title: The Lion King, year: 2019}
+        - {create: {_index: movies}}
+        - {title: Frozen, year: 2013}
 
 chapters:
-  - synopsis: QueryString Sort by year.
+  - synopsis: Sort by year.
     path: /{index}/_search
     parameters:
-      index: sorted_movies
+      index: movies
       sort: year
     method: GET
     response:
@@ -69,10 +54,10 @@ chapters:
                 title: The Lion King
                 year: 2019
 
-  - synopsis: QueryString Sort  by title:desc.
+  - synopsis: Sort by title:desc.
     path: /{index}/_search
     parameters:
-      index: sorted_movies
+      index: movies
       sort: title:desc
     method: GET
     response:
@@ -90,10 +75,10 @@ chapters:
                 title: Frozen
                 year: 2013
 
-  - synopsis: QueryString Sort  by title:desc,year:desc.
+  - synopsis: Sort by title:desc,year:desc.
     path: /{index}/_search
     parameters:
-      index: sorted_movies
+      index: movies
       sort: title:desc,year:desc
     method: GET
     response:
@@ -111,10 +96,10 @@ chapters:
                 title: Frozen
                 year: 2013
 
-  - synopsis: Body Sort by [title, year].
+  - synopsis: Sort by [title, year].
     path: /{index}/_search
     parameters:
-      index: sorted_movies
+      index: movies
     method: GET
     request:
       payload:
@@ -136,10 +121,10 @@ chapters:
                 title: The Lion King
                 year: 2019
 
-  - synopsis: Body Sort by year:asc,title:desc.
+  - synopsis: Sort by year:asc,title:desc.
     path: /{index}/_search
     parameters:
-      index: sorted_movies
+      index: movies
     method: GET
     request:
       payload:
@@ -161,3 +146,27 @@ chapters:
                 title: The Lion King
                 year: 1994
 
+  - synopsis: Sort with direction by year:asc,title:desc.
+    path: /{index}/_search
+    parameters:
+      index: movies
+    method: GET
+    request:
+      payload:
+        sort:
+          - title: asc
+          - year: desc
+    response:
+      status: 200
+      payload:
+        hits:
+          hits:
+            - _source:
+                title: Frozen
+                year: 2013
+            - _source:
+                title: The Lion King
+                year: 2019
+            - _source:
+                title: The Lion King
+                year: 1994