feat: remove the 10,000-character article body limit and make the New article body optional

test/edit_article_body_http_test.go

@@ -164,31 +164,6 @@ func TestEditArticleBodyHttp(t *testing.T) {
 		}
 	})
 
-	validationCases := []struct {
-		name    string
-		payload string
-	}{
-		{"empty body", `{"body": ""}`},
-		{"body over 10000 characters", `{"body": "` + strings.Repeat("a", 10001) + `"}`},
-	}
-	for _, tc := range validationCases {
-		t.Run("A body value that fails validation answers 400: "+tc.name, func(t *testing.T) {
-			repo := newEditArticleBodyTestRepo()
-			router := newEditArticleBodyRouter(repo, token)
-			req := newEditArticleBodyRequest(http.MethodPatch, "/v1/article/1", tc.payload)
-			setEditArticleBodyJwtCookie(t, req, token)
-			rec := httptest.NewRecorder()
-			router.ServeHTTP(rec, req)
-
-			if rec.Code != http.StatusBadRequest {
-				t.Fatalf("expected status 400, got %d", rec.Code)
-			}
-			if repo.articles[1].Body != "Old body text" {
-				t.Errorf("expected stored body to be unchanged, got %q", repo.articles[1].Body)
-			}
-		})
-	}
-
 	t.Run("A response write failure is logged", func(t *testing.T) {
 		repo := newEditArticleBodyTestRepo()
 		router := newEditArticleBodyRouter(repo, token)