From 00d9f576ed90d8b42be728279e93966262c2c470 Mon Sep 17 00:00:00 2001
From: Mubelotix <simon@meilisearch.com>
Date: Thu, 17 Jul 2025 11:51:12 +0200
Subject: [PATCH] Add tests

---
 crates/meilisearch-types/src/error.rs         |  4 +-
 .../meilisearch/src/routes/indexes/render.rs  |  4 +-
 .../tests/documents/render_documents.rs       | 77 +++++++++++++++++++
 3 files changed, 82 insertions(+), 3 deletions(-)

diff --git a/crates/meilisearch-types/src/error.rs b/crates/meilisearch-types/src/error.rs
index 187b6dde0..c5e082517 100644
--- a/crates/meilisearch-types/src/error.rs
+++ b/crates/meilisearch-types/src/error.rs
@@ -424,7 +424,9 @@ InvalidRenderTemplateInline                    , InvalidRequest       , BAD_REQU
 InvalidRenderInput                             , InvalidRequest       , BAD_REQUEST ;
 InvalidRenderInputDocumentId                   , InvalidRequest       , BAD_REQUEST ;
 InvalidRenderInputInline                       , InvalidRequest       , BAD_REQUEST ;
-RenderDocumentNotFound                         , InvalidRequest       , NOT_FOUND
+RenderDocumentNotFound                         , InvalidRequest       , NOT_FOUND ;
+TemplateParsingError                           , InvalidRequest       , BAD_REQUEST ;
+TemplateRenderingError                         , InvalidRequest       , BAD_REQUEST
 }
 
 impl ErrorCode for JoinError {
diff --git a/crates/meilisearch/src/routes/indexes/render.rs b/crates/meilisearch/src/routes/indexes/render.rs
index d544e9a41..aec816e2f 100644
--- a/crates/meilisearch/src/routes/indexes/render.rs
+++ b/crates/meilisearch/src/routes/indexes/render.rs
@@ -311,11 +311,11 @@ impl From<RenderError> for ResponseError {
             ),
             TemplateParsing(err) => ResponseError::from_msg(
                 format!("Error parsing template: {}", err.parsing_error("input")),
-                Code::InvalidRenderTemplate,
+                Code::TemplateParsingError,
             ),
             TemplateRendering(err) => ResponseError::from_msg(
                 format!("Error rendering template: {}", err.rendering_error("input")),
-                Code::InvalidRenderTemplate,
+                Code::TemplateRenderingError,
             ),
         }
     }
diff --git a/crates/meilisearch/tests/documents/render_documents.rs b/crates/meilisearch/tests/documents/render_documents.rs
index 2fca9b537..1d4aae623 100644
--- a/crates/meilisearch/tests/documents/render_documents.rs
+++ b/crates/meilisearch/tests/documents/render_documents.rs
@@ -330,3 +330,80 @@ async fn retrieve_document_template() {
     }
     "#);
 }
+
+#[actix_rt::test]
+async fn render_document_kefir() {
+    let index = shared_index_for_fragments().await;
+
+    let (value, code) =
+        index.render(json! {{
+            "template": { "id": "embedders.rest.indexingFragments.basic" },
+            "input": { "documentId": "0" },
+        }}).await;
+    snapshot!(code, @"200 OK");
+    snapshot!(value, @r#"
+    {
+      "template": "{{ doc.name }} is a dog",
+      "rendered": "kefir is a dog"
+    }
+    "#);
+
+    let (value, code) =
+        index.render(json! {{
+            "template": { "id": "embedders.rest.indexingFragments.withBreed" },
+            "input": { "documentId": "0" },
+        }}).await;
+    snapshot!(code, @"400 Bad Request");
+    snapshot!(value, @r#"
+    {
+      "message": "Error rendering template: error while rendering template: liquid: Unknown index\n  with:\n    variable=doc\n    requested index=breed\n    available indexes=id, name\n",
+      "code": "template_rendering_error",
+      "type": "invalid_request",
+      "link": "https://docs.meilisearch.com/errors#template_rendering_error"
+    }
+    "#);
+}
+
+#[actix_rt::test]
+async fn render_inline_document_iko() {
+    let index = shared_index_for_fragments().await;
+
+    let (value, code) =
+        index.render(json! {{
+            "template": { "id": "embedders.rest.indexingFragments.basic" },
+            "input": { "inline": { "doc": { "name": "iko", "breed": "jack russell" } } },
+        }}).await;
+    snapshot!(code, @"200 OK");
+    snapshot!(value, @r#"
+    {
+      "template": "{{ doc.name }} is a dog",
+      "rendered": "iko is a dog"
+    }
+    "#);
+
+    let (value, code) =
+        index.render(json! {{
+            "template": { "id": "embedders.rest.indexingFragments.withBreed" },
+            "input": { "inline": { "doc": { "name": "iko", "breed": "jack russell" } } },
+        }}).await;
+    snapshot!(code, @"200 OK");
+    snapshot!(value, @r#"
+    {
+      "template": "{{ doc.name }} is a {{ doc.breed }}",
+      "rendered": "iko is a jack russell"
+    }
+    "#);
+
+    let (value, code) =
+        index.render(json! {{
+            "template": { "id": "embedders.rest.searchFragments.justBreed" },
+            "input": { "inline": { "media": { "name": "iko", "breed": "jack russell" } } },
+        }}).await;
+    snapshot!(code, @"200 OK");
+    snapshot!(value, @r#"
+    {
+      "template": "It's a {{ media.breed }}",
+      "rendered": "It's a jack russell"
+    }
+    "#);
+}