From 5d3ceafec57ab6c635dfca41f4e0f2422d30d880 Mon Sep 17 00:00:00 2001
From: Oguz Kocer <oguz.kocer@automattic.com>
Date: Mon, 1 Sep 2025 20:41:34 -0400
Subject: [PATCH] Add `/posts/<post_id>/autosaves` related errors and their
 integration tests

---
 wp_api/src/api_error.rs                       |  2 +
 .../tests/test_post_autosaves_err.rs          | 48 +++++++++++++++++++
 2 files changed, 50 insertions(+)
 create mode 100644 wp_api_integration_tests/tests/test_post_autosaves_err.rs

diff --git a/wp_api/src/api_error.rs b/wp_api/src/api_error.rs
index 9cdb96406..32d540393 100644
--- a/wp_api/src/api_error.rs
+++ b/wp_api/src/api_error.rs
@@ -282,6 +282,8 @@ pub enum WpErrorCode {
     PostInvalidPageNumber,
     #[serde(rename = "rest_post_invalid_parent")]
     PostInvalidParent,
+    #[serde(rename = "rest_post_no_autosave")]
+    PostNoAutosave,
     #[serde(rename = "rest_revision_invalid_offset_number")]
     RevisionInvalidOffsetNumber,
     #[serde(rename = "rest_revision_invalid_page_number")]
diff --git a/wp_api_integration_tests/tests/test_post_autosaves_err.rs b/wp_api_integration_tests/tests/test_post_autosaves_err.rs
new file mode 100644
index 000000000..6b5b9ec79
--- /dev/null
+++ b/wp_api_integration_tests/tests/test_post_autosaves_err.rs
@@ -0,0 +1,48 @@
+use wp_api::{
+    post_revisions::PostRevisionId,
+    posts::{PostCreateParams, PostId},
+};
+use wp_api_integration_tests::prelude::*;
+
+#[tokio::test]
+#[parallel]
+async fn list_err_post_invalid_parent() {
+    api_client()
+        .autosaves()
+        .list_with_edit_context(&PostId(99999999))
+        .await
+        .assert_wp_error(WpErrorCode::PostInvalidParent)
+}
+
+#[tokio::test]
+#[parallel]
+async fn retrieve_err_post_invalid_parent() {
+    api_client()
+        .autosaves()
+        .retrieve_with_edit_context(&PostId(99999999), &PostRevisionId(1))
+        .await
+        .assert_wp_error(WpErrorCode::PostInvalidParent)
+}
+
+#[tokio::test]
+#[parallel]
+async fn retrieve_err_post_no_autosave() {
+    api_client()
+        .autosaves()
+        .retrieve_with_edit_context(
+            &PostId(TestCredentials::instance().revisioned_post_id),
+            &PostRevisionId(1),
+        )
+        .await
+        .assert_wp_error(WpErrorCode::PostNoAutosave)
+}
+
+#[tokio::test]
+#[parallel]
+async fn create_err_post_invalid_id() {
+    api_client()
+        .autosaves()
+        .create(&PostId(99999999), &PostCreateParams::default())
+        .await
+        .assert_wp_error(WpErrorCode::PostInvalidId)
+}