reduce_limit error is thrown when the reduce function output is not small enough compared to the input. Errors can be switched off using the config API.

git-svn-id: https://svn.apache.org/repos/asf/couchdb/trunk@771466 13f79535-47bb-0310-9956-ffa450edef68

2 files changed, 30 insertions, 3 deletions

diff --git a/share/www/script/test/design_docs.js b/share/www/script/test/design_docs.js
index ebf0e74d..8f003efa 100644
--- a/share/www/script/test/design_docs.js
+++ b/share/www/script/test/design_docs.js
@@ -16,6 +16,12 @@ couchTests.design_docs = function(debug) {
   db.createDb();
   if (debug) debugger;
 
+  run_on_modified_server(
+    [{section: "query_server_config",
+      key: "reduce_limit",
+      value: "false"}],
+function() {
+
   var numDocs = 500;
 
   function makebigstring(power) {
@@ -104,4 +110,5 @@ couchTests.design_docs = function(debug) {
   restartServer();
   T(db.open(designDoc._id) == null);
   T(db.view("test/no_docs") == null);
+});
 };
diff --git a/share/www/script/test/view_errors.js b/share/www/script/test/view_errors.js
index 12225e67..1a613c04 100644
--- a/share/www/script/test/view_errors.js
+++ b/share/www/script/test/view_errors.js
@@ -75,13 +75,26 @@ couchTests.view_errors = function(debug) {
     _id:"_design/test",
     language: "javascript",
     views: {
-      no_reduce: {map:"function(doc) {emit(doc._id, null);}"},
-      with_reduce: {map:"function (doc) {emit(doc.integer, doc.integer)};",
-                reduce:"function (keys, values) { return sum(values); };"},
+      "no_reduce": {map:"function(doc) {emit(doc._id, null);}"},
+      "with_reduce": {
+        map:"function (doc) {emit(doc.integer, doc.integer)};",
+        reduce:"function (keys, values) { return sum(values); };"}
     }
   };
   T(db.save(designDoc).ok);
   
+  var designDoc2 = {
+    _id:"_design/testbig",
+    language: "javascript",
+    views: {
+      "reduce_too_big"  : {
+        map:"function (doc) {emit(doc.integer, doc.integer)};",
+        reduce:"function (keys, values) { var chars = []; for (var i=0; i < 1000; i++) {chars.push('wazzap');};return chars; };"}
+    }
+  };
+  T(db.save(designDoc2).ok);
+  
+  
   try {
       db.view("test/no_reduce", {group: true});
       T(0 == 1);
@@ -117,4 +130,11 @@ couchTests.view_errors = function(debug) {
   result = JSON.parse(xhr.responseText);
   T(result.error == "bad_request");
   T(result.reason == "`keys` member must be a array.");
+
+  // if the reduce grows to fast, throw an overflow error
+  var path = "/test_suite_db/_design/testbig/_view/reduce_too_big";
+  xhr = CouchDB.request("GET", path);
+  T(xhr.status == 500);
+  result = JSON.parse(xhr.responseText);
+  T(result.error == "reduce_overflow_error");
 };